04008

REVISIONS
LTR
DESCRIPTION
A
Add requirements for space level and
update to present DoD policy requirements.
Paragraph 4.3.3; change HTE from 1000
hours to 100 hours. Add pure tin prohibition.
Editorial corrections throughout.
Add vendor. Extend vendors resistance
range and tolerances. Add pulse application
paragraph. Editorial corrections throughout
Correct paragraph 4.4 example 2 critical
resistance value sign to “≥”. Editorial
change throughout.
Add vendor to space level PIN and QR
code. Editorial changes throughout.
B
C
D
E
DATE
APPROVED
27 JAN 2006
Michael A. Radecki
14 APR 2006
Michael A. Radecki
5 AUG 2011
Michael A. Radecki
14 FEB 2013
Michael A. Radecki
17 APR 2015
Michael A. Radecki
CURRENT DESIGN ACTIVITY CAGE CODE 037Z3
HAS CHANGED NAMES TO:
DLA LAND AND MARITIME
COLUMBUS, OHIO 43218-3990
Prepared in accordance with ASME Y14.100
REV STATUS
OF PAGES
PMIC N/A
Original date of
drawing
2 March 2004
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PREPARED BY
Dennis L. Cross
DESIGN ACTIVITY:
DEFENSE SUPPLY CENTER, COLUMBUS
COLUMBUS, OH
CHECKED BY
Andrew R. Ernst
TITLE
APPROVED BY
Kendall A. Cottongim
SIZE
A
REV
AMSC N/A
RESISTOR, CHIP, FIXED, FILM,
MOISTURE RESISTANT, MILITARY
and SPACE LEVEL, STYLE 0402
CODE IDENT. NO.
037Z3
DWG NO.
E
PAGE
04008
1
OF
9
5905-2015-E15
1. SCOPE
1.1 Scope. This drawing describes the requirements for a 0.040 by 0.020 chip resistor, which is resistant to the
degrading effects of moisture while under power.
1.2 Part or Identifying Numbers (PIN’s). The complete PIN’s are shown in the examples below. The first example is for
general military applications. (NOTE: This PIN is the original PIN shown in previous revisions of this drawing). The
second example is for space type applications and requires adding a code letter to the end of the original PIN.
NOTE: Example of military level PIN.
04008
|
|
Drawing number
-
*
|
|
Characteristic
(see 3.3.1)
****
|
|
Resistance
(see 3.3.2)
*
|
|
Tolerance
(see 3.3.3)
*
|
|
Termination
material
(see 3.3.4)
NOTE: Example of space level PIN.
04008
|
|
Drawing number
-
*
|
|
Characteristic
(see 3.3.1)
****
|
|
Resistance
(see 3.3.2)
*
|
|
Tolerance
(see 3.3.3)
*
|
|
Termination
material
(see 3.3.4)
*
|
|
Space
levels
(see 3.3.5)
2. APPLICABLE DOCUMENTS
2.1 Government documents.
2.1.1 Specifications and standards. The following specifications and standards form a part of this document to the
extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or
contract.
DEPARTMENT OF DEFENSE SPECIFICATIONS
MIL-PRF-55342
-
MIL-PRF-55342/11 -
Resistor, Chip, Fixed, Film, Nonestablished Reliability, Established Reliability, Space Level,
General Specification for.
Resistor, Chip, Fixed, Film, Nonestablished Reliability, Established Reliability, Space Level,
Style 0402.
DEPARTMENT OF DEFENSE STANDARDS
MIL-STD-690 MIL-STD-790 *
Failure Rate Sampling Plans and Procedures.
Standard Practice for Established Reliability and High Reliability QPL Systems.
(Copies of these documents are available online at http://quicksearch.dla.mil.)
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2.2 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of
this document and the references cited herein (except for related 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.
3. REQUIREMENTS
3.1 Item requirements. The individual item requirements shall be in accordance with MIL-PRF-55342, and as specified
herein.
3.2 Interface and physical dimensions. The resistor shall meet the interface and physical dimensions as specified in
MIL-PRF-55342 and herein (see figure 1).
3.2.1 Design documentation. The design documentation shall be in accordance with MIL-PRF-55342 and unless
otherwise specified in the contract or purchase order, shall be retained by the manufacturer and available for review by
the acquiring activity or contractor upon request.
3.3 Electrical characteristics.
3.3.1 Resistance temperature characteristic. The resistance temperature characteristic shall be identified by a single
letter as specified in MIL-PRF-55342 and herein (see 6.7).
3.3.2 Resistance. The nominal resistance expressed in ohms is identified by four digits; the first three digits represent
significant figures and the last digit specifies the number of zeros to follow. When the value of resistance is less than 100
ohms, or when fractional values of an ohm are required, the letter "R" shall be substituted for one of the significant figures.
The resistance value designations are shown in table I. Minimum and maximum resistance values shall be as specified in
MIL-PRF-55342. Resistance values not listed in the "10 to 100" decade table of MIL-PRF-55342 for the appropriate
resistance tolerance shall be considered as not conforming to the specification.
TABLE I. Resistance value designations.
Designation
1R00 to 9R88 incl.
10R0 to 98R8 incl.
1000 to 9880 incl.
1001 to 9881 incl.
1002 to 9882 incl.
1003 to 9883 incl.
1004 to 9884 incl.
1005 to 2205 incl.
Resistance ohms
1.00
10.0
100.0
1,000.0
10,000.0
100,000.0
1,000,000.0
10,000,000.0
to
9.88
to
98.8
to
988.0
to
9,880.0
to
98,800.0
to
988,000.0
to 9,880,000.0
to 22,000,000.0
incl.
incl.
incl.
incl.
incl.
incl.
incl.
incl.
3.3.2.1 Resistance range. The resistance range shall be as specified in MIL-PRF-55342/11 and herein (see 6.7).
3.3.3 Resistance tolerance. Resistors are available in resistance tolerances as specified in table II and herein
(see 6.7).
3.3.4 Termination material. Termination material shall be identified by a single letter as specified in
MIL-PRF-55342 and herein (see 6.7).
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TABLE II. Resistance tolerance.
Symbol
Resistance tolerance
percent
B
F
G
J
K
+0.1
+1.0
+2.0
+5.0
+10.0
3.3.4.1 Pure tin. The use of pure tin, as an underplate or final finish is prohibited both internally and externally. Tin
content of resistor components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3
percent lead, by mass (see 6.3).
3.3.5 Product level testing. The product level testing shall be designated by the military and space level PIN’s (see
1.2, 4.3.2, and 4.3.3).
3.3.6 Power rating. The power rating for this chip resistor shall be as specified in MIL-PRF-55342/11.
3.3.7 Voltage rating. The maximum continuous working voltage shall be as specified inMIL-PRF-55342/11.
3.3.8 Power moisture resistance. When resistors are tested as specified in 4.4, there shall be no evidence of
mechanical damage; the change in resistance between the initial and final measurements shall not exceed the limits as
specified in the moisture resistance requirements of MIL-PRF-55342. Samples subjected to this test shall not be
delivered on the contract or order.
3.3.9 Outgassing (space levels A and T). Outgassing shall be performed as specified in MIL-PRF-55342.
3.4 Marking. Marking is not required on the resistor; however, each unit package shall be marked with the PIN
assigned herein (see 1.2), vendor CAGE code, and date and lot codes.
3.5 Manufacturers' eligibility (military applications). The approved sources of supply listed on this drawing shall be
qualified to at least one product on the Qualified Products List for MIL-PRF-55342. They shall have successfully passed
the power moisture resistance test as witnessed and certified by an official company representative with 30 samples (10
low, 10 critical, 10 high) with zero defects. If the manufacturer has already performed the power moisture resistance test
to any of the following drawings (94012, 94013, 94014, 94015, 94016, 94017, 94018, 94019, 94025, 94026, 04007,
04009 or 07010) then performance of the power moisture resistance test as a prerequisite for being a source of supply is
not required.
3.5.1 Manufacturers eligibility (space levels A and T). Only approved sources of supply qualified to “T” failure rate level
of MIL-PRF-55342 and approved to the general military level of this drawing may supply to space level codes A and T.
Furthermore all testing for these levels shall be done on a production lot basis as defined in MIL-PRF-55342. Test
deletion or reduction, which may be granted for ER level product, is not allowed for space level codes A and T of this
document.
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Configuration A
Inches
0.005
0.006
0.008
0.010
0.022
0.033
0.041
0.042
mm
0.13
0.15
0.20
0.25
0.56
0.84
1.04
1.07
Configuration B
Configuration
Dimension A
Inches
Dimension B
Inches
Dimension C
Inches
Dimension D
Inches
Dimension E
Inches
A
0.041 ±0.006
0.022 ±0.005
0.010/0.033
0.010 ±0.005
N/A
B
0.042 ±0.008
0.022 ±0.005
0.010/0.033
0.010 ±0.005
0.010 ±0.005
NOTES:
1. Dimensions are in Inches.
2. Millimeter equivalents are given for general information only.
3. The pictorial view of the styles above are given as representative of the envelope of the item. Slight deviations
from the outline shown, which are contained within the envelope, and do not alter the functional aspects of the
device are acceptable.
FIGURE 1. Chip resistor.
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*
3.6 Recycled, recovered, environmentally preferable or biobased materials. Recycled, recovered, environmentally
preferable or biobased materials should be used to the maximum extent possible provided that the material meets or
exceeds the operational and maintenance requirements and promotes economically advantageous life cycle costs.
3.7 Workmanship. Resistors shall be uniform in quality and free from any defects that will affect life, serviceability, or
appearance.
4. VERIFICATION
4.1 Product assurance program. The product assurance program specified in MIL-PRF-55342 and maintained in
accordance with MIL-STD-790 is not applicable to this document.
4.2 Product level qualification. The product level qualification specified in MIL-PRF-55342 and MIL-STD-690 is not
applicable to this document.
4.3 Conformance inspection.
4.3.1 Inspection of product for delivery (military level). Inspection of product for delivery for each PIN ordered shall
consist of group A inspection and group B inspection of MIL-PRF-55342, ER level. Additionally 5 samples of each PIN
ordered shall be subjected to the power moisture resistance test specified herein with 0 defects allowed.
4.3.1.1 Certification (military level only). The procuring activity may accept a certificate of compliance in lieu of
performing group B inspection and the power moisture resistance test.
4.3.2 Inspection of product for delivery (space level code A). Inspection of product for delivery for each PIN ordered
shall consist of group A inspection and group B inspection of MIL-PRF-55342, space level. Additionally 10 samples of
each PIN ordered shall be subjected to the power moisture resistance test specified herein (see 4.4) with 0 defects
allowed. The group C life test shall be performed as specified in MIL-PRF-55342 except the test shall be from each
production lot for 1000 hours, 22 samples for each value ordered with 0 defects. NOTE: Test samples subjected to
Group B, Group C, and the power moisture resistance test herein shall not be delivered on the contract or order.
4.3.3 Inspection of product for delivery (space level code T). Inspection of product for delivery for each PIN ordered
(each production lot) shall consist of group A, group B, and group C inspection of MIL-PRF-55342, space level.
Resistance to soldering heat and resistance to bonding exposure shall be as specified in MIL-PRF-55342 except 10
samples for each PIN ordered, followed by power moisture resistance as specified herein (see 4.4) performed on the
same set of samples with 0 defects for the subgroup. The group C life test shall be performed as specified in
MIL-PRF-55342 except the test shall be for 1000 hours, 22 samples for each value ordered with 0 defects. Thermal
shock and low temperature operation shall be as specified in MIL-PRF-55342 except 10 samples for each PIN ordered
with 0 defects. High temperature exposure shall be as specified in MIL-PRF-55342 except the test shall be for 100 hours,
10 samples with 0 defects. NOTE: Test samples subjected to Group B, Group C, and the power moisture resistance test
herein shall not be delivered on the contract or order.
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4.4 Power moisture resistance. Power moisture resistance test shall be performed as specified in MIL-PRF-55342
except the loading voltage shall be as follows:
Loading voltage: The loading voltage shall be equal to 10 percent rated power for resistance values less than or
equal to the critical resistance value as shown in example number 1. For values greater than or equal to the critical
resistance value the loading voltage shall be as shown in example number 2.
EXAMPLE 1
Characteristic: "K"
Rated wattage: 0.040 watts (P)
Value:
2000 ohms (R)
V = .1PR (for “R” ≤ critical res.)
=
.1(.05 )(2000 )
= 8
= 2.83 volts
EXAMPLE 2
Characteristic: "K"
Voltage rating: 25 volts (V)
V = .1 x V (for “R” ≥ critical res.)
= .316 x 25
= 7.9 volts
4.5 Visual and mechanical examination. Resistors shall be examined to verify that the materials, design, construction,
physical dimensions, marking, and workmanship are in accordance with the applicable requirements of MIL-PRF-55342.
4.6 Data retention (codes A & T). Data retention for space level products shall be per the requirements of
MIL-PRF-55342.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see
6.2). When packaging of materiel is to be performed by DoD or in-house personnel, these personnel need to contact the
responsible packaging activity to ascertain requisite packaging requirements. Packaging requirements are maintained by
the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or within the military
service’s system Commands. Packaging data retrieval is available from the managing Military Department's 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. Chip resistors are intended for use in thick or thin film circuits where microcircuitry is intended. Chip
resistors can also be used in surface mount applications.
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6.2 Ordering data. The contract or purchase order should specify the following:
a. Complete PIN (see 1.2).
b. Requirements for delivery: One copy of the conformance inspection variables and attributes data that parts have
passed conformance inspection, with each shipment of parts by the manufacturer.
c. Packaging requirements (see 5.1).
d. Whether the manufacturer performs the group B inspection and the moisture resistance test or provides a
certificate of compliance (see 4.3.2, military level only).
6.3 Tin whisker growth. The use of alloys with tin content greater than 97 percent, by mass, may exhibit tin whisker
growth problems after manufacture. Tin whiskers may occur anytime from a day to years after manufacture and can
develop under typical operating conditions, on products that use such materials. Conformal coatings applied over top of a
whisker-prone surface will not prevent the formation of tin whiskers. Alloys of 3 percent lead, by mass, have shown to
inhibit the growth of tin whiskers. For additional information on this matter, refer to ASTM-B545 (Standard Specification
for Electrodeposited Coatings of Tin).
6.4 Electrostatic charge. Under several combinations of conditions, these resistors can be electrically damaged, by
electrostatic charges, and drift from specified value. Users should consider this phenomena when ordering or shipping
resistors. Direct shipment to the Government is controlled by MIL-DTL-39032, which specifies a preventive packaging
procedure.
6.5 Pulse applications. Designers are CAUTIONED on using the above resistors in high power pulse applications.
Since they have not been qualified nor tested for such applications, damage and premature failure are possible. These
resistors only see a onetime pulse (Short-time overload) as part of the group B inspection of MIL-PRF-55342.
6.6 User of record. Coordination of this document for future revisions is coordinated only with the approved source of
supply and the users of record of this document. Requests to be added as a recorded user of this drawing may be
achieved online at [email protected] or in writing to: DLA Land and Maritime-VAT, Post Office Box 3990, Columbus, OH
43218-3990 or by telephone (614) 692-0552 or DSN 850-0552.
*
6.7 Approved source of supply. Approved source of supply is listed herein. Additional sources will be added as they
become available. Assistance in the use of this drawing may be obtained online at [email protected] or contact
DLA Land and Maritime-VAT, Post Office Box 3990, Columbus, OH 43218-3990 or by telephone (614) 692-0552 or DSN
850-0552.
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DLA Land and Maritime
Drawing PIN’s
04008-*******
04008-********
Vendor similar
designation or type
number 1/
Vendor
CAGE
H0402**********(D04008)
56235
State of the Art, Inc.
2470 Fox Hill Road
State College, PA 16803-1097
PTN0402
57489
VISHAY Thin Film
2160 Liberty Drive
Niagara Falls, NY 14304-3676
WA20SM-*****-NS62C
WA20SM-*****-NUC
WA20PG-*****-UC
WA20PS-*****-UC
MSR20G-*****-UC
50316
Char. E and H; res. values 100
ohms to 200 kohms, res. tol. 0.1
pct.; res. values 5.62 ohms to
200 kohms, res. tol. 1 pct.; 5.6
ohms to 220 kohms, res. tol. 2, 5,
and 10 pct., term. B and W, all
PIN’s (see 1.2).
Char. K and M; res. values 100
ohms thru 200 kohms, res. tol.
0.1 pct.; res. values 1.0 ohm to
22.0 Megohms, res. tol. 1, 2, 5,
and 10 pct.; term. B, C, G, U,
and W, all PIN’s (see 1.2).
Char. E, H, K, & M; res. values
20 ohms to 50K ohms; res. tol.
0.1, 1.0, 2.0, 5.0, and 10.0 pct.;
term. B, all PIN’s (see 1.2).
Char. K and M; res. values 1
ohm thru 200 kohms, res. tol. 1
pct.; term. B, G, U, C and W, all
PIN’s (see 1.2).
Char. K and M; res. values 1
ohm thru 180 kohms, res. tol. 2,
5, and 10 pct.; term. B, G, U, C
and W, all PIN’s (see 1.2).
Char. M, res. values 1 ohm thru
9.1 ohms, res. tol. 2, 5, and 10
pct., term. B, all PIN’s (see 1.2)
Char. K and M, res. values 10
ohms thru 22 megohms, res. tol.
1, 2. 5, and 10 pct., term. B, all
PIN’s (see 1.2).
Vendor name
and address
Mini-Systems, Inc.
Thick Film Division
PO Box 69
20 David Road
North Attleboro, MA 02761-0069
Vishay Dale Electronics
PO Box 609
Columbus, NE 68602-0609
RCWP-0402-69
RCWP-0402-81
RCWP-0402-82
SH903
Plant:
Vishay Israel, Ltd.
Emek-Sara “B” Industrial Park
Beer Sheva, Israel 84874
1/ Caution: Parts must be purchased to the DLA Land and Maritime PIN to assure that all performance
requirements and tests are met.
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