INCH-POUND MIL-PRF-19500/397G 1 April 2002 SUPERSEDING MIL-PRF-19500/397F 21 April 2000 The documentation and process conversion measures necessary to comply with this revision shall be completed by 1 July 2002. PERFORMANCE SPECIFICATION SEMICONDUCTOR DEVICE, TRANSISTOR, PNP, SILICON TYPES 2N3743, 2N4930, AND 2N4931 JAN, JANTX, JANTXV, JANS, JANHC, AND JANKC This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the performance requirements for PNP, silicon, high-voltage transistor. Four levels of product assurance are provided for each device type as specified in MIL-PRF-19500. Two levels of product assurance for die are provided for each unencapsulated device type as specified in MIL-PRF-19500 * 1.2 Physical dimensions. See figure 1 (TO-39) and figures 2 and 3 for JANHC and JANKC (die) dimensions. 1.3 Maximum ratings. Type 2N3743 2N4930 2N4931 PT (1) TA = +25°C PT (2) TC = +25°C VCBO VEBO VCEO IC TJ and TSTG W 1.0 1.0 1.0 W 5 5 5 V dc 300 200 250 V dc 5 5 5 V dc 300 200 250 mA dc 200 200 200 °C -65 to +200 -65 to +200 -65 to +200 (1) Derate linearly at 5.71 mW/°C above TA > +25°C. (2) Derate linearly at 28.6 mW/°C above TC > +25°C. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Defense Supply Center Columbus, ATTN: DSCCVAC, Post Office Box 3990, Columbus, OH 43216-5000, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. FSC 5961 MIL-PRF-19500/397G 1.4 Primary electrical characteristics at TA = +25°C. Limits Min Max |hfe| hFE1 (1) hFE4 (1) VBE(sat)2 (1) VCE(sat)1 (1) Cobo IC = 10 mA dc IC = 0.1 mA dc IC = 30 mA dc IC = 30 mA dc IE = 0 VCE = 20 V dc f = 20 MHz VCE = 10 V dc VCE = 10 V dc IC = 30 mA dc IB = 3 mA dc IB = 3 mA dc V dc V dc VCB = 20 V dc f ≥ 0.1 MHz pF 2.0 8.0 30 50 200 1.2 1.2 15 (1) Pulsed (see 4.5.1). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATION DEPARTMENT OF DEFENSE MIL-PRF-19500 - Semiconductor Devices, General Specification for. STANDARD DEPARTMENT OF DEFENSE MIL-STD-750 - Test Methods for Semiconductor Devices. (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Document Automation and Production Services (DAPS), Building 4D (DPM-DODSSP), 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for related associated specifications or specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2 MIL-PRF-19500/397G Symbol CD CH HD LC LD LL LU L1 L2 P Q TL TW r α Dimensions Inches Millimeters Min Max Min Max .305 .335 7.75 8.51 .240 .260 6.12 6.60 .335 .370 8.51 9.40 .200 TP 5.08 TP .016 .019 0.41 0.48 0.500 0.750 12.7 19.0 .016 .019 0.41 0.48 .050 1.27 .250 6.35 .100 2.54 .030 0.76 .029 .045 0.74 1.14 .028 .034 0.71 0.86 .010 0.25 45° TP 45° TP Note 7 8,9 8,9 8,9 8,9 6 5 3,4 3, 4 NOTES: Dimension are in inches. Metric equivalents are given for general information only. Beyond r (radius) maximum, TW shall be held for a minimum length of .011 (0.28 mm). Dimension TL measured from maximum HD. Body contour optional within zone defined by HD, CD, and Q. CD shall not vary more than .010 inch (0.25 mm) in zone P. This zone is controlled for automatic handling. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 -0.00 mm) below seating plane shall be within .007 inch (0.18 mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC. The device may be measured by direct methods or by the gauge and gauging procedure. 8. Dimension LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum. Diameter is uncontrolled in L1 and beyond LL minimum. 9. All three leads. 10. The collector shall be internally connected to the case. 11. Dimension r (radius) applies to both inside corners of tab. 12. In accordance with ANSI Y14.5M, diameters are equivalent to φx symbology. 13. Lead 1 = emitter, lead 2 = base, lead 3 = collector. 1. 2. 3. 4. 5. 6. 7. FIGURE 1. Physical dimensions (TO-39). 3 MIL-PRF-19500/397G Letter Dimensions Inches A C Min .041 .041 Millimeters Max .041 .041 Min 1.04 1.04 Max 1.04 1.04 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The physical characteristics of the die are: Thickness: .006 inch (0.15 mm) to .012 inch (0.30 mm). Top metal: Aluminum 17,500 Å minimum, 20,000 Å nominal. Back metal: Gold 2,500 Å minimum, 3,000 Å nominal. Back side: Collector. Bonding pad: B = .004 inch (0.10 mm) x .005 inch (0.13 mm). E = .004 inch (0.10 mm) x .0055 inch (0.14 mm). FIGURE 2. JANHC and JANKC (A-version) die dimensions. 4 MIL-PRF-19500/397G 1. 2. 3. 4. Chip size: Chip thickness: Top metal: Back metal: 5. Backside: 6. Bonding pad: 40 x 40 mils ± 1 mil. 10 ± 1.5 mil. Aluminum 15,000Å minimum, 18,000Å nominal. A. Al/Ti/Ni/Ag 12kÅ/3kÅ/7kÅ/7kÅ min.,15kÅ/5kÅ/10kÅ/10kÅ nom. B. Gold 2,500Å minimum, 3,000Å nominal. C. Eutectic Mount – No Gold. Collector B = 6 x 8 mils, E = 6 x 4 mils. FIGURE 3. JANHC and JANKC (B-version) die dimensions. 5 MIL-PRF-19500/397G 3. REQUIREMENTS 3.1 General. The requirements for acquiring the product described herein shall consist of this document and MIL-PRF-19500. 3.2 Qualification. Devices furnished under this specification shall be products that are manufactured by a manufacturer authorized by the qualifying activity for listing on the applicable qualified manufacturer's list (QML) before contract award (see 4.2 and 6.3). 3.3 Abbreviations, symbols, and definitions. Abbreviations, symbols, and definitions used herein shall be as specified in MIL-PRF-19500. 3.4 Interface and physical dimensions. Interface and physical dimensions shall be as specified in MIL-PRF-19500, and on figure 1 (TO-39) and figures 2 and 3 for JANHC and JANKC (die) herein. 3.4.1 Lead finish. Lead finish shall be solderable in accordance with MIL-PRF-19500, MIL-STD-750, and herein. Where a choice of lead finish is desired, it shall be specified in the acquisition document (see 6.2). 3.5 Marking. Marking shall be in accordance with MIL-PRF-19500. 3.6 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance characteristics are as specified in 1.3, 1.4 and table I. 3.7 Electrical test requirements. The electrical test requirements shall be group A as specified herein. 3.8 Marking. Marking shall be in accordance with MIL-PRF-19500, except for the UB suffix package. Marking on the UB package shall consist of an abbreviated part number, the date code, and the manufacturers symbol or logo. The prefixes JAN, JANTX, JANTXV, and JANS can be abbreviated as J, JX, JV, and JS respectively. The "2N" prefix and the "UB" suffix can also be omitted. 3.9 Workmanship. Semiconductor devices shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. Qualification inspection (see 4.2). b. Screening (see 4.3). c. Conformance inspection (see 4.4). 4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500 and table II herein. * 4.2.1 JANHC and JANKC qualification. JANHC and JANKC qualification inspection shall be in accordance with MIL-PRF-19500. * 4.2.2 Group E qualification. Group E qualification shall be performed herein for qualification or requalification only. In case qualification was awarded to a prior revision of the associated specification that did not request the performance of table II tests, the tests specified in table II herein shall be performed by the first inspection lot to this revision to maintain qualification. 6 MIL-PRF-19500/397G * 4.3 Screening (JANS, JANTX, and JANTXV levels only). Screening shall be in accordance with table IV of MILPRF-19500, and as specified herein. The following measurements shall be made in accordance with table I herein. Devices that exceed the limits of table I herein shall not be acceptable. Screen (see table IV of MIL-PRF-19500) Measurement JANS level JANTX and JANTXV levels 3c Thermal impedance, method 3131 of MIL-STD-750. Thermal impedance, method 3131 of MIL-STD-750. 9 ICBO1 Not applicable 11 ICBO1 and hFE4 ∆ICBO = 100 percent of initial value or 50 nA dc, whichever is greater ICBO1 and hFE4 12 See 4.3.1 See 4.3.1 13 Subgroups 2 and 3 of table I herein; Subgroup 2 of table I herein; ∆ICBO1 = 100 percent of initial value or 50 nA dc, whichever is greater; ∆hFE4 = ±20 percent ∆ICBO1 = 100 percent of initial value or 50 nA dc, whichever is greater; ∆hFE4 = ±15 percent * 4.3.1 Power burn-in conditions. Power burn-in conditions are as follows: VCB ≥ 30 V dc, TA = +30°C ±5°C. NOTE: No heatsink or forced air cooling on the devices shall be permitted. PT adjusted to achieve TJ of +175°C minimum. * 4.3.2 Screening (JANHC and JANKC). Screening of JANHC and JANKC die shall be in accordance with MIL-PRF-19500, “Discrete Semiconductor Die/Chip Lot Acceptance”. Burn-in duration for the JANKC level follows JANS requirements; the JANHC follows JANTX requirements. 4.4 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500 and as specified herein. 4.4.1 Group A inspection. Group A inspection shall be conducted in accordance with MIL-PRF-19500, and table I herein. Electrical measurements (end-points) shall be in accordance with the applicable inspections of table I, subgroup 2 herein. 4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the conditions specified for subgroup testing in tables VIa (JANS) and VIb (JAN, JANTX, and JANTXV) of MIL-PRF-19500 and 4.4.2.1 and 4.4.2.2 herein. Electrical measurements (end-points) shall be in accordance with the applicable inspections of table I, subgroup 2 herein. 7 MIL-PRF-19500/397G * 4.4.2.1 Group B inspection, table VIa (JANS) of MIL-PRF-19500. Subgroup Method Condition B4 1037 VCE = 30 V dc, 2,000 cycles. B5 1027 (NOTE: If a failure occurs, resubmission shall be at the test conditions of the original sample). VCB = 10 V dc; PD ≥ 100 percent of maximum rated PT (see 1.3). Option 1: 96 hours minimum, sample size in accordance with table VIa of MIL-PRF-19500, adjust TA or PD to achieve TJ = +275°C minimum. Option 2: 216 hours, sample size = 45, c = 0; adjust TA or PD to achieve TJ = +225°C minimum. 4.4.2.2 Group B inspection, (JAN, JANTX, and JANTXV). 1/ Step Method Condition 1 1039 Steady-state life: Test condition B, 340 hours, VCB = 10 to 30 V dc, TJ = 175°C min. No heat sink shall be permitted. n = 45 devices, c = 0. 2 1039 The steady-state life test of step 1 shall be extended to 1,000 hours for each die design. Samples shall be selected from a wafer lot every twelve months of wafer production, however, group B shall not be required more than once for any single wafer lot. n = 45, c = 0. 3 1032 High-temperature life (non-operating), TA = +200°C. n = 22, c = 0. 4.4.2.3 Group B sample selection. Samples selected from group B inspection shall meet all of the following requirements: a. For JAN, JANTX, and JANTXV samples shall be selected randomly from a minimum of three wafers (or from each wafer in the lot) from each wafer lot. For JANS, samples shall be selected from each inspection lot. See MIL-PRF-19500. b. Must be chosen from an inspection lot that has been submitted to and passed group A, subgroup 2, conformance inspection. When the final lead finish is solder or any plating prone to oxidation at high temperature, the samples for life test (subgroups B4 and B5 for JANS, and group B for JAN, JANTX, and JANTXV) may be pulled prior to the application of final lead finish. 4.4.3 Group C inspection, Group C inspection shall be conducted in accordance with the conditions specified for subgroup testing in table VII of MIL-PRF-19500 and in 4.4.3.1 (JANS).and 4.4.3.2 (JAN, JANTX, and JANTXV) herein for group C testing. Electrical measurements (end-points) shall be in accordance with group A, subgroup 2. __________ 1/ Separate samples may be used for each step. In the event of a group B failure, the manufacturer may double the sample size from either the failed assembly lot or from another assembly lot from the same wafer lot. If the new “assembly lot” option is exercised, the failed assembly lot shall be scrapped. 8 MIL-PRF-19500/397G 4.4.3.1 Group C inspection, table VII (JANS) of MIL-PRF-19500. Method Condition C2 2036 Test condition E. C6 1026 VCB = 10 to 30 V dc; TJ = + 175°C minimum. No heat sink or forced-air cooling on the devices shall be permitted. Subgroup * 4.4.3.2 Group C inspection, table VII (JAN, JANTX, and JANTXV) of MIL-PRF-19500. Method Condition C2 2036 Test condition E. C5 3131 See 4.5.2. Subgroup C6 Not applicable 4.4.3.3 Group C sample selection. Samples for subgroups in group C shall be chosen at random from any lot containing the intended package type and lead finish procured to the same specification which is submitted to and passes group A tests for conformance inspection. Testing of a subgroup using a single device type enclosed in the intended package type shall be considered as complying with the requirements for that subgroup. * 4.4.4 Group E inspection. Group E inspection shall be conducted in accordance with the conditions specified for subgroup testing in appendix E, table IX of MIL-PRF-19500 and as specified herein. Electrical measurements (endpoints) shall be in accordance with table I, subgroup 2 herein. 4.5 Methods of inspection. Methods of inspection shall be as specified in the appropriate tables and as follows. 4.5.1 Pulse measurements. Conditions for pulse measurement shall be as specified in section 4 of MIL-STD-750. * 4.5.2. Thermal resistance. Thermal resistance measurements shall be conducted in accordance with method 3131 of MIL-STD-750. The limit of RθJC(max) shall be 35°C/W. a. IM measurement ........................................................................10 mA. b. VCE measurement voltage (same as VH).................................25 V dc. c. IH collector heating current .......................................................0.2 A dc. d. VH collector-emitter heating voltage .........................................25 V dc. e. tH heating time ........................................................................ 1 second minimum. f. tMD measurement delay time ....................................................50 µs maximum. g. tSW sampling window time ........................................................10 µs maximum. 9 MIL-PRF-19500/397G TABLE I. Group A inspection. MIL-STD-750 Inspection 1/ Method Symbol Conditions Limit Min Unit Max Subgroup 1 2/ Visual and mechanical examination 3/ 2071 n = 45 devices, c = 0 Solderability 3/ 4/ 2026 n = 15 leads, c = 0 Resistance to 3/ 4/ 5/ solvent 1022 n = 15 devices, c = 0 Temp cycling 3/ 4/ 1051 Test condition C, 25 cycles. n = 22 devices, c=0 Heremetic seal 4/ 1071 n = 22 devices, c = 0 Fine leak Gross leak Group A, subgroup 2 Electrical measurements 4/ Bond strength 3/ 4/ 2037 Precondition TA = +250°C at t = 24 hrs or TA = +300°C at t = 2 hrs, n = 11 wires, c = 0 3001 Bias condition D, IC = 100 µA dc Subgroup 2 Breakdown voltage, collector to base V(BR)CBO 2N3743 2N4930 2N4931 Breakdown voltage, collector to emitter 3011 Pulsed (see 4.5.1), bias condition D, IC = 1.0 mA dc 3026 Bias condition D, IE = 100 µA dc V(BR)EBO See footnotes at end of table. 10 V dc V dc V dc 300 200 250 V dc V dc V dc 5 V dc V(BR)CEO 2N3743 2N4930 2N4931 Breakdown voltage, emitter to base 300 200 250 MIL-PRF-19500/397G TABLE I. Group A inspection – Continued. MIL-STD-750 Inspection 1/ Method Symbol Conditions Limit Min Unit Max Subgroup 2 - Continued Collector to base cutoff current 3036 2N3743 2N4930 2N4931 Bias condition D, IE = 0 ICBO1 250 nA 150 nA dc VCB = 250 V dc VCB = 150 V dc VCB = 200 V dc Emitter to base cutoff current 3061 Bias condition D, VEB = 4 V dc IEBO Forward current transfer ratio 3076 Pulsed (see 4.5.1), IC = 0.1 mA dc, VCE = 10 V dc hFE1 30 Forward current transfer ratio 3076 Pulsed (see 4.5.1), IC = 1.0 mA dc, VCE = 10 V dc hFE2 40 Forward current transfer ratio 3076 Pulsed (see 4.5.1), IC = 10 mA dc, VCE = 10 V dc hFE3 40 Forward current transfer ratio 3076 Pulsed (see 4.5.1), IC = 30 mA dc, VCE = 10 V dc hFE4 50 Forward current transfer ratio 3076 Pulsed (see 4.5.1), IC = 50 mA dc, VCE = 20 V dc hFE5 30 Collector to emitter voltage (saturated) 3071 Pulsed (see 4.5.1), IC = 30 mA dc, IB = 3 mA dc VCE(sat)1 1.2 V dc Collector to emitter voltage (saturated) 3071 Pulsed (see 4.5.1), IC = 10 mA dc, IB = 1 mA dc VCE(sat)2 1.0 V dc Base emitter voltage (saturated) 3066 Test condition A, IC = 10 mA dc, IB = 1 mA dc, pulsed (see 4.5.1) VBE(sat)1 1.0 V dc Base emitter voltage (saturated) 3066 Test condition A, IC = 30 mA dc, IB = 3 mA dc, pulsed (see 4.5.1) VBE(sat)2 1.2 V dc See footnotes at end of table. 11 200 MIL-PRF-19500/397G TABLE I. Group A inspection - Continued. MIL-STD-750 Inspection 1/ Method Symbol Conditions Limit Min Unit Max Subgroup 3 High-temperature operation: Collector to base cutoff current 2N3743 2N4930 2N4931 TA = +125°C 3036 Bias condition D 100 ICBO2 µA dc VCB = 250 V dc VCB = 150 V dc VCB = 200 V dc Low-temperature operation: TA = -55°C 3076 Pulsed (see 4.5.1), IC = 30 mA dc, VCE = 10 V dc hFE6 Open circuit (output capacitance) 3236 VCB = 20 V dc, IE = 0, f ≥ 0.1 MHz Cobo 15 pF Input capacitance (output open circuited) 3240 VEB = 1 V dc, IC = 0, f ≥ 0.1 MHz Cibo 400 pF Small-signal current gain 3306 VCE = 20 V dc, IC = 10 mA dc, f = 20 MHz |hfe| 2 8 Small-signal current gain 3206 VCE = 10 V dc, IC = 10 mA dc, f = 1 kHz hfe 30 300 3051 TC = +25°C, t ≥ 1 second, 1 cycle Forward current transfer ratio 25 Subgroup 4 Subgroup 5 Safe operating area (dc operation) Test 1 Test 2 Test 3 IC = 50 mA dc, VCE = 20 V dc IC = 10 mA dc, VCE = 100 V dc 2N3743 IC = 3.3 mA dc, VCE = 300 V dc 2N4930 IC = 5 mA dc, VCE = 200 V dc 2N4931 IC = 4 mA dc, VCE = 250 V dc Electrical measurements 1/ 2/ 3/ 4/ 5/ See table I, group A, subgroup 2 herein For sampling plan, see MIL-PRF-19500. For resubmission of failed subgroup A1, double the sample size of the failed test or sequence of tests. Separate samples may be used. Not required for JANS. Not required for laser marked devices. 12 MIL-PRF-19500/397G * TABLE II. Group E inspection (all quality levels) – for qualification only. Inspection MIL-STD-750 Method Conditions Subgroup 1 Temperature cycling (air to air) Qualification 45 devices c=0 1051 Test condition C, 500 cycles Hermetic seal Fine leak Gross leak 1071 Electrical measurements See group A, subgroup 2 herein. 45 devices c=0 Subgroup 2 Intermittent life 1037 Electrical measurements VCB = 10 V dc, 6,000 cycles. See group A, subgroup 2 herein. Subgroup 3 and 4 Not applicable 5 devices c=0 Subgroup 5 Barometric pressure (2N3743 and 2N4931 only) 1001 Pressure = 8 mmHG, normal mounting, t = 60 seconds minimum. Subgroup 6 and 7 Not applicable Subgroup 8 Reverse stability 1033 Condition A for devices ≥ 400 V Condition B for devices < 400 V 13 45 devices c=0 MIL-PRF-19500/397G 5. PACKAGING 5.1. Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD personnel, these personnel need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requirements are maintained by the Inventory Control Points' packaging activity within the Military Department or Defense Agency, or within the Military Departments' System Command. Packaging data retrieval is available from the managing Military Departments' or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. 6. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6.1 Intended use. The notes specified in MIL-PRF-19500 are applicable to this specification. 6.2 Acquisition requirements. Acquisition documents must specify the following: a. Title, number, and date of this specification. b. Issue of DODISS to be cited in the solicitation, and if required, the specific issue of individual documents referenced (see 2.2.1). c. The lead finish as specified (see 3.4.1). d. Type designation and quality assurance level. e. Packaging requirements (see 5.1). 6.3 Qualification. With respect to products requiring qualification, awards will be made only for products which are, at the time of award of contract, qualified for inclusion in Qualified Manufacturers' List (QML) whether or not such products have actually been so listed by that date. The attention of the contractors is called to these requirements, and manufacturers are urged to arrange to have the products that they propose to offer to the Federal Government tested for qualification in order that they may be eligible to be awarded contracts or orders for the products covered by this specification. Information pertaining to qualification of products may be obtained from Defense Supply Center, Columbus, ATTN: DSCC/VQE, P.O. Box 3990, Columbus, OH 43216-5000. 6.4 Substitution information. Devices form this specification supersedes the following commercial Part or Identifying Number (PIN). This information in no way implies that manufacturers’ PIN’s are suitable as a substitute for the military PIN. Military PIN 2N3743 2N4930 2N4931 Superseded commercial types SUN1446H, SS4238H SUN1446H, SS5152H SUN1446H, ST1390H, ST147H 14 MIL-PRF-19500/397G 6.5 Suppliers of JANHC and JANKC die. The qualified die suppliers with the applicable letter version (example, JANHCA2N3743) will be identified on the qualified manufacturer’s list. JANC ordering information Manufacturers PIN 2N3743 2N4930 2N4931 33178 JANHCA2N3743, JANKCA2N3743 JANHCA2N4930, JANKCA2N4930 JANHCA2N4931, JANKCA2N4931 43611 JANHCB2N3743, JANKCB2N3743 JANHCB2N4930, JANKCB2N4930 JANHCB2N4931, JANKCB2N4931 6.6 Changes from previous issue. The margins of this revision are marked with an asterisk to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Army - CR Navy - EC Air Force - 11 NASA - NA DLA - CC Preparing activity: DLA - CC (Project 5961-2560) Review activities: Army - AR, AV, MI Navy - AS, MC Air Force – 19, 71 15 STANDARDIZATION DOCUMENT IMPROVEMENT PROPOSAL INSTRUCTIONS 1. The preparing activity must complete blocks 1, 2, 3, and 8. In block 1, both the document number and revision letter should be given. 2. The submitter of this form must complete blocks 4, 5, 6, and 7. 3. The preparing activity must provide a reply within 30 days from receipt of the form. NOTE: This form may not be used to request copies of documents, nor to request waivers, or clarification of requirements on current contracts. Comments submitted on this form do not constitute or imply authorization to waive any portion of the referenced document(s) or to amend contractual requirements. I RECOMMEND A CHANGE: 1. DOCUMENT NUMBER MIL-PRF-19500/397G 2. DOCUMENT DATE 1 April 2002 1. DOCUMENT TITLE SEMICONDUCTOR DEVICE, TRANSISTOR, PNP, SILICON TYPES 2N3743, 2N4930, AND 2N4931 JAN, JANTX, JANTXV, JANS, JANHC, AND JANKC 4. NATURE OF CHANGE (Identify paragraph number and include proposed rewrite, if possible. Attach extra sheets as needed.) 5. REASON FOR RECOMMENDATION 6. SUBMITTER a. NAME (Last, First, Middle initial) b. ORGANIZATION c. ADDRESS (Include Zip Code) d. TELEPHONE (Include Area Code) COMMERCIAL DSN FAX EMAIL 7. DATE SUBMITTED 8. PREPARING ACTIVITY a. Point of Contact Alan Barone c. ADDRESS Defense Supply Center Columbus, ATTN: DSCC-VAC P.O. Box 3990 Columbus, OH 43216-5000 DD Form 1426, Feb 1999 (EG) b. TELEPHONE Commercial DSN FAX EMAIL 614-692-0510 850-0510 614-692-6939 [email protected] IF YOU DO NOT RECEIVE A REPLY WITHIN 45 DAYS, CONTACT: Defense Standardization Program Office (DLSC-LM) 8725 John J. Kingman, Suite 2533 Fort Belvoir, VA 22060-6221 Telephone (703) 767-6888 DSN 427-6888 Previous editions are obsolete WHS/DIOR, Feb 99