DC/DC CONVERTERS 28 VOLT INPUT FEATURES • • • • • • • • • • • • • • SMHF SERIES SINGLE AND DUAL 15 WATT Fully qualified to Class H or K Radiation hardened –55° to +125°C operation 16 to 40 VDC input Fully Isolated Red hard optocoupler feedback MODELS Fixed frequency, 550 kHz typical VDC OUTPUT Topology – Single Ended Forward SINGLE DUAL Transient protection 50 V/120 ms 3.3 ±5 Inhibit function 5 ±12 Sync function 12 ±15 15 Indefinite short circuit protection Undervoltage lockout Size (max.): Non flanged 1.460 x 1.130 x 0.330 (37.08 x 28.70 x 8.38 mm) Up to 84% efficiency Flanged 2.005 x 1.130 x 0.330 (50.93 x 28.70 x 8.38 mm) See Figures 21 through 24 for dimensions. Weight: 30 grams maximum. Screening: Standard, Class H, or Class K (MIL-PRF-38534) Radiation hardness levels O, L, and R DESCRIPTION The SMHF Series™ of 28 V DC/DC converters offers a wide input voltage range of 16 to 40 volts and up to 15 watts of output power. The units are capable of withstanding short term transients up to 50 volts. The package is a hermetically sealed, seam-welded metal case. Flanged and non-flanged models are available. SCREENING AND REPORTS SMHF converters offer three screening options (Standard, Class H, or Class K) and three levels of radiation hardness (O, L, and R). See Tables 1, 2, and 3 for more information. Detailed reports on product performance are also available and are listed in Table 4. CONVERTER DESIGN The SMHF converters are switching regulators that use a quasisquare wave, single-ended forward converter design with a constant switching frequency of 550 kHz. Isolation between input and output circuits is provided with a transformer in the forward path and a temperature compensated opto-coupler in the feedback control loop. The opto-coupler is radiation hardened and is especially selected for space applications. For the SMHF dual output models, cross regulation is maintained by tightly coupled output magnetics. Up to 70% of the total output power is available from either output, providing the opposite output is simultaneously carrying 30% of the total output power. Predictable current limit is accomplished by directly monitoring the output load current and providing a constant current output above the overload point. HIGHER POWER DENSITY The SMHF Series offers a new standard of performance for small size and high power density. At just 0.33 inch high and a total footprint of 1.7 in2, this low profile package offers a total power density of up to 30 watts per cubic inch. step load transient is as low as 1.3% with a 150 msec recovery time. Input ripple current is typically 35 mA p-p with output ripple voltage typically 30 mV p-p . INHIBIT FUNCTION SMHF converters provide an inhibit terminal that can be used to disable internal switching, resulting in no output and very low quiescent input current. The converter is inhibited when a TTL compatible low (≤0.8 – output disabled) is applied to the inhibit pin. The unit is enabled when the pin, which is internally connected to a pull-up resistor, is left unconnected or is connected to an open-collector gate. The open circuit output voltage associated with the inhibit pin is 8.5 to 12 VDC. In the inhibit mode, a maximum of 12 mA must be sunk from the inhibit pin at 28 VDC input. SYNCHRONIZATION A synchronization feature is included with the SMHF Series that allows the user to match the switching frequency of the converter to the frequency of the system clock. An external synchronization feature is included that allows the user to adjust the nominally 550kHz operating frequency to any frequency within the range of 500 kHz to 600 kHz. This is initiated by applying a TTL compatible input of the desired frequency to pin 5. SHORT CIRCUIT PROTECTION SMHF Series converters provide short circuit protection by restricting the output current to approximately 115% of the full load output current. The output current is sensed in the secondary stage to provide highly predictable and accurate current limiting, and to eliminate foldback characteristics. UNDERVOLTAGE LOCKOUT Undervoltage lockout prevents the units from operating below approximately 14 VDC input voltage to keep system current levels smooth, especially during initialization or re-start operations. LOW NOISE, HIGH AUDIO REJECTION The SMHF converters’ feed-forward compensation system provides excellent dynamic response and noise rejection. Audio rejection is typically 50 dB. Typical output voltage response for a 50% to 100% 33 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS ABSOLUTE MAXIMUM RATINGS Input Voltage • 16 to 40 VDC Power Dissipation (Pd) • 8W Output Power • 12 to 15 watts depending on model Lead Soldering Temperature (10 sec per lead) • 300°C Storage Temperature Range (Case) • –65°C to +150°C RECOMMENDED OPERATING CONDITIONS TYPICAL CHARACTERISTICS SYNC AND INHIBIT Sync In (500 to 600 kHz) • Duty cycle 40% to 60% • Logic low 0.8 V max • Logic high 4.5 V min, 5 V max • Referenced to input common • If not used, connect to input common Inhibit TTL Open Collector • Logic low (output disabled) Logic low voltage ≤0.8 V max Inhibit pin current 4.0 mA max • Referenced to input common • Logic high (output enabled) Open collector or unconnected Output Voltage Temperature Coefficient • 100 ppm /°C typical • 150 ppm/°C maximum Input to Output Capacitance • 60 pF typical Undervoltage Lockout • 12 V input typical Current Limit • 115% of full load typical Isolation • 100 megohm minimum at 500 V Audio Rejection • 50 dB typical Conversion Frequency (º55°C to +125°C Tc) • Free run 550 kHz typical 480 kHz min, 620 kHz max Inhibit Pin Voltage (unit enabled) • 8.5 to 12 V Input Voltage Range • 16 to 40 VDC continuous • 0 V for up to 50 msec transient Case Operating Temperature (Tc) • –55°C to +125°C full power • –55°C to +135°C absolute Derating Output Power/Current (Tc) • Linearly from 100% at 125°C to 0% at 135°C Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified. SINGLE OUTPUT MODELS OUTPUT VOLTAGE Tc = 25°C OUTPUT CURRENT VIN = 16 TO 40 VDC OUTPUT POWER SMHF283R3S 3.27 3.3 3.33 — — 2.4 VDC A VIN = 16 TO 40 VDC 0 — 8 0 — 12 0 — 15 0 — 15 OUTPUT RIPPLE VOLTAGE LINE REGULATION 10 kHz - 2 MHz Tc = –55°C TO +125°C VIN = 16 TO 40 VDC — — — 60 80 5 160 240 100 — — — 30 150 5 80 240 100 — — — 60 50 5 160 120 100 — — — 60 100 5 75 260 100 LOAD REGULATION INPUT VOLTAGE NO LOAD TO FULL INPUT CURRENT NO LOAD TO FULL CONTINUOUS TRANSIENT 120 ms NO LOAD FULL LOAD INHIBITED 10k Hz - 10 MHz Tc = –55°C TO +125°C Tc = 25°C SHORT CIRCUIT POWER DISSIPATION — 16 0 — — — — — 70 20 28 — 25 — 5 45 — 73 50 40 50 65 397 12 80 120 — — 16 0 — — — — — 73 20 28 — 25 560 5 35 — 75 50 40 50 40 624 12 80 120 — — 16 0 — — — — — 78 20 28 — 25 680 5 35 — 79 50 40 50 50 752 12 80 120 — — 16 0 — — — — — 74 20 28 — 25 670 5 35 — 80 50 40 50 62 752 12 80 120 — — 5 8 — 3.5 8 — 3.5 8 — 3.5 7 W RECOVERY2 50 %–100%– 50% TRANSIENT RECOVERY2 16 TO 40 TO 16 VIN TRANSIENT3 RECOVERY2 DELAY OVERSHOOT4 — 7.5 30 — 7.5 30 — 7.5 30 — 7.5 30 ms –400 150 — 150 500 300 –500 — 150 150 500 300 –700 150 — 150 700 500 –800 — 200 800 600 1200 mV pk µs –800 550 — 0.8 — 10 — 200 800 1.2 25 300 –800 — — — 550 0.8 10 100 800 1.2 25 600 –800 550 — 0.8 — 10 — 200 800 –800 1.2 — 25 — 1200 — 550 800 0.8 1.2 10 25 200 1500 mV pk µs µs mV pk INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT1 STEP LOAD RESPONSE STEP LINE RESPONSE START-UP 0 TO 28 VIN Notes 1. Indefinite short circuit protection not guaranteed above 125°C (case) 2. Recovery time is measured from application of the transient to the point at which Vout is within regulation. 34 SMHF2805S SMHF2812S SMHF2815S 4.95 5 5.05 11.88 12 12.12 14.85 15 15.15 — — 2.4 — — 1.25 — — 1.00 3. Input step transition time >10µs. 4. Input step transition time <100µs. W mV p-p mV mV VDC V mA mA p-p % SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified. DUAL OUTPUT MODELS PARAMETER SMHF2805D CONDITIONS OUTPUT VOLTAGE SMHF2812D SMHF2815D MIN TYP MAX MIN TYP MAX MIN TYP MAX +VOUT 4.95 5.00 5.05 11.88 12.00 12.12 14.85 15.00 15.15 –VOUT 4.92 5.00 5.08 11.82 12.00 1218 14.78 15.00 15.23 UNITS VDC OUTPUT CURRENT1 VIN = 16 to 40 VDC — ±1.2 1.68 — ±0.625 0.875 — ±0.500 0.700 A OUTPUT POWER1 VIN = 16 to 40 VDC — — 12 — — 15 — — 15 W OUTPUT RIPPLE VOLTAGE ±VOUT 10 kHz - 2 MHz Tc = –55°C to +125°C — — 60 100 160 240 — — 70 100 175 275 — — 70 100 175 275 mV p-p LINE REGULATION BALANCED +VOUT Vin = 16 to 40 VDC LOAD REGULATION — 5 50 — 5 50 — 5 50 –VOUT — — 100 — — 100 — — 100 BALANCED +VOUT — 20 50 — 20 50 — 20 50 — — 150 — — 150 — — 150 LOAD LOAD CROSS REGULATION2 –VOUT mV mV NEGATIVE VOUT — 6 7.5 — 3 6 — 3 6 % CONTINUOUS TRANSIENT 50 msec NO LOAD FULL LOAD INHIBITED 10 kHz - 10 MHz 16 — — — — — 28 — 20 540 6 30 40 50 50 600 12 80 16 — — — — — 28 — 25 645 5 40 40 50 50 754 12 80 16 — — — — — 28 — 25 638 5 40 40 50 50 754 12 80 VDC V CURRENT EFFICIENCY Tc = –55°C to +125°C — 75 60 77 120 — — 74 55 81 120 — — 74 55 82 120 — LOAD FAULT SHORT CIRCUIT3 POWER DISSIPATION RECOVERY4 50% – 100% – 50% +VOUT TRANSIENT –VOUT — — 3 7.5 8 30 — — 3 7.5 6 50 — — 3 7.5 6 50 –600 200 600 –600 300 600 –600 300 600 –600 150 600 –600 100 500 –600 100 600 INPUT VOLTAGE NO LOAD TO FULL INPUT CURRENT INPUT RIPPLE STEP LOAD RESP.5 BALANCED LOADS STEP LINE RESP. ± VOUT START-UP mA mA p-p % W ms mV pk RECOVERY4 16 – 40 – 40 VDC TRANSIENT6 — 150 500 — 200 500 — 200 600 µs –800 600 800 –750 550 750 –750 550 750 mV pk RECOVERY4 DELAY OVERSHOOT7 — — 0 0.8 12 100 1.2 30 500 — — 0 0.8 12 200 1.2 25 500 — — 0 0.8 12 200 1.2 25 500 ms ms mV pk Notes 1. Up to 70% of the total output power is available from either output providing the opposite output is simultaneously carrying 30% of the total output power. Each output must carry a minimum of 30% of the total output power in order to maintain regulation on the negative outputs. 2. Effect on –Vout for the following conditions, percentages are of total power: +Po = 50% to 10% and –Po = 50% +Po = 50% and –Po = 50% to 10% 3. Indefinite short circuit protection not guaranteed above 125°C (case) 4. Recovery time is measured from application of the transient to point at which Vout is within regulation. 5. Response of either output with the opposite output held at half of the total output power. 6. Input step transition time >10µs. 7. Input step transition time <100µs. 35 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS BLOCK DIAGRAM 5 µH Positive Input Positive Output 2 µF Inhibit PWM Controller ID FET Driver Limit Ref. IC Output Common Input Common FIGURE 1: SMHF SINGLE OUTPUT 36 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS PIN OUT Single Output Inhibit No connection Output Common Positive Output Sync Case Ground Input Common Positive Input Pin 1 2 3 4 51 6 7 8 Dual Output Inhibit Positive Output Output Common Negative Output Sync Case Ground Input Common Positive Input 1. If Sync is not used, pin 5 should be connected to input common. Dot on top of cover indicates pin one. 1 2 3 4 5 BOTTOM VIEW SMHF SINGLE AND DUAL NON-FLANGED OR FLANGED 8 7 6 Dotted line outlines flanged package option. See Figures 21 through 24 for dimensions. FIGURE 2: PIN OUT SMD NUMBERS STANDARD MICROCIRCUIT DRAWING (SMD) 5962-9213902HXC IN PROCESS 5962-9160102HXC 5962-9555902HXC 5962-9214402HXC 5962-9161402HXC SMHF SIMILAR PART SMHF2805S/HO SMHF2812S/HO SMHF2815S/HO SMHF2805D/HO SMHF2812D/HO SMHF2815D/HP To indicate the flanged case option change the “X” to “Z” In the SMD number. The SMD number shown is for Class H screening, non-flanged, and no Radiation Hardness Assurance (RHA) level. See the SMD for the numbers for other screening and radiation levels. For exact specifications for an SMD product, refer to the SMD drawing. Call your Interpoint representative for status on the SMHF SMD releases which are “in process.” SMDs can be downloaded from http://www.dscc.dla.mil/programs/smcr MODEL NUMBERING KEY Base Model Input Voltage SMHF 28 05 S F / K R Output Voltage Number of Outputs (S = single, D = dual) Case Option (Non-flanged case has no designator in this position) Screening Radiation Level 37 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified. 90 90 40V 28V 60 50 70 40V 60 50 2 4 6 8 10 40 12 2 OUTPUT POWER (Watts) 4 6 8 10 12 40 14 15 4 6 16V EFFICIENCY (%) EFFICIENCY (%) 28V 70 40V 60 28V 40 4 6 8 10 12 70 40V 60 28V 50 50 50 14 15 80 80 40V 12 90 16V 70 10 FIGURE 5 90 80 8 OUTPUT POWER (Watts) SMHF2815S EFFICIENCY 16V 2 2 SMHF2812S EFFICIENCY FIGURE 4 90 EFFICIENCY (%) 40V 28V 60 OUTPUT POWER (Watts) FIGURE 3 40 70 50 SMHF 2805S EFFICIENCY 60 16V 80 28V EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 80 70 40 90 16V 16V 80 40 2 4 6 8 10 12 14 15 2 4 6 8 10 12 14 OUTPUT POWER (Watts) OUTPUT POWER (Watts) OUTPUT POWER (Watts) SMHF2805D EFFICIENCY SMHF2812D EFFICIENCY SMHF2815D EFFICIENCY FIGURE 8 FIGURE 7 FIGURE 6 0 –30 –40 –50 100% to 50% –60 –70 50% to 100% –80 –90 –100 0.1 1 10 FREQUENCY (kHz) SMHF SERIES AUDIO REJECTION FIGURE 9 38 VOUT 100mV/div. 500mV/div. –20 20V/div. ATTENUATION (dB) –10 100 VIN 1ms/div 16V TO 40V SMHF2805S STEP LINE RESPONSE FIGURE 10 50µs/div 50% 100% SMHF2805S STEP LOAD RESPONSE FIGURE 11 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS 20V/div. Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified. 200mV/div. VIN 100mV/div. 100% to 10% +VOUT 1V/div. 200µs/div 10% 100% SMHF2805S STEP LOAD RESPONSE VIN 2 ms/div 1 ms/div 16V TO 40V SMHF2805S TURN-ON INTO FULL LOAD SMHF2815D STEP LINE RESPONSE FIGURE 14 FIGURE 13 FIGURE 12 100% to 50% POUT= 12W VOUT 20V/div. 10% to 100% PO= 7.5 W PO= 7.5 W –VOUT 100mV/div. 100mV/div. 5V/div. 100% to 20% +VOUT 20V/div. 20% to 100% 50% to 100% 50µs/div 50% 100% SMHF2815D +V 50µs/div 20% 100% SMHF+2815D VOUT STEP LOAD RESPONSE STEP LOAD RESPONSE FIGURE 15 VIN 2 ms/div SMHF2815D TURN-ON INTO FULL LOAD FIGURE 17 FIGURE 16 10 5 2812D 2815D 0 –5 –10 2805D 0 20 40 60 80 100 POSITIVE OUTPUT LOAD (% OF TOTAL LOAD) –VOUT WITH SHIFT IN LOAD BALANCE CROSS REGULATION 2805D 8 16 6 SMHF2805S&D 2812D 4 COND A 2 0 2815D –2 COND B –4 2812D –6 –8 –10 INPUT VOLTAGE (Volts) –VOUT VOLTAGE CHANGE (%) –V OUT VOLTAGE CHANGE (%) 10 15 14 SMHF2812S&D SMHF2815S&D 13 2805D 10 20 30 40 50 OUTPUT LOAD (%) COND. A: 50% LOAD +V; 50% to 10% –V COND. B: 50% LOAD –V; 50% to 10% +V 12 10 11 12 13 14 15 OUTPUT POWER (Watts) 50 mV DROP LOW LINE DROPOUT VS. LOAD SMHF2805D/SMHF2812D/SMHF2815D CROSS REGULATION FIGURE 18 FIGURE 19 FIGURE 20 39 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS Squared corner and dot on top of case indicate pin one. CASE E BOTTOM VIEW See Figure 22 for pin configurations. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel (SMHF Series Cold Rolled Steel/Nickel/Gold) Pins #52 alloy/Gold compression glass seal 1.130 max (28.70) Case dimensions in inches (mm) Tolerance ±0.005 (0.13) for three decimal places ±0.01 (0.3) for two decimal places unless otherwise specified 1.460 max (37.08) CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300°C for 10 seconds per pin. FIGURE 21: CASE E MAXIMUM DIMENSIONS BOTTOM VIEW CASE E1 SMHF Series Single and Dual Projection Weld Squared corner and dot on top of case indicate pin one. 0.960 (24.38) 1 2 3 4 5 0.030 dia. (0.76) 7 6 0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07) 0.000 0.25 (6.35) 0.000 0.330 max (8.38) 0.205 (5.21) 8 0.160 (4.06) 0.000 FIGURE 22: CASE E1 Note: Although every effort has been made to render the case drawings at actual size, variations in the printing process may cause some distortion. Please refer to the numerical dimensions for accuracy. 40 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS Squared corner and dot on top of case indicate pin one. CASE G BOTTOM VIEW Flanged package See Figure 24 for pin configuration Materials Header Cold Rolled Steel/Nickel/Gold Cover MHF+ Series and FMH Filter Kovar/Nickel SMHF Cold Rolled Steel/Nickel Pins #52 alloy (all cases) compression glass seal 1.130 max (28.70) Case dimensions in inches (mm) Tolerance ±0.005 (0.13) for three decimal places ±0.01 (0.2) for two decimal places unless otherwise specified 2.005 max (50.93) CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300°C for 10 seconds per pin. Flange Thickness: 0.047 (1.19) FIGURE 23: CASE G MAXIMUM DIMENSIONS BOTTOM VIEW CASE G1 Flanged cases: Designator "F" required in Case Option position of model number SMHF Series Single and Dual Projection Weld Squared corner and dot on top of case indicate pin one. 0.960 (24.38) 1 4 5 1.590 (40.39) 1.105 (28.07) 0.905 (22.99) 0.705 (17.91) 0.000 6 7 0.505 (12.83) 8 0.140 (3.56) 0.25 (6.35) 0.000 3 0.128 dia (3.25) 0.160 (4.06) 0.000 0.330 max. (8.38) 2 0.560 (14.22) 0.205 (5.21) 0.030 dia. (0.76) FIGURE 24: CASE G1 41 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS TABLE 1: ELEMENT EVALUATION ELEMENT EVALUATION TEST PERFORMED (COMPONENT LEVEL) SPACE PROTOTYPE CLASS (O) H M/S P M/S P CLASS K M/S P Element Electrical yes no yes yes yes yes Element Visual no no yes yes yes yes Internal Visual no no yes no yes no Temperature Cycling no no no no yes yes Constant Acceleration no no no no yes yes Interim Electrical no no no no yes no Burn-in no no no no yes no Post Burn-in Electrical no no no no yes no Steady State Life no no no no yes no Voltage Conditioning /Aging no no no no no yes Visual Inspection no no no no no yes Final Electrical no no yes yes yes yes Wire Bond Evaluation no no yes yes yes yes SEM SLAM™/C-SAM: Input capacitors only (Add’l test, not req. by H or K) no no no no yes no no no no yes no yes Notes M/S Active components (Microcircuit and Semiconductor Die) P Passive components Definitions Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534 SEM: Scanning Electron Microscopy SLAM™: Scanning Laser Acoustic Microscopy C-SAM: C - Mode Scanning Acoustic Microscopy 42 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS TABLE 2: PRODUCT ENVIRONMENTAL SCREENING ENVIRONMENTAL SCREENING TEST PERFORMED (END ITEM LEVEL) Non-destruct bond pull Method 2023 Pre-cap inspection Method 2017, 2032 Temperature cycle Method 1010, Cond. C Constant acceleration Method 2001, 3000 g PIND Test Method 2020, Cond. B Radiography Method 2012 Pre burn-in test Burn-in, Method 1015, 125°C 96 hours 160 hours 2 x 160 hour (includes mid BI test) Final electrical test MIL-PRF-38534, Group A Hermeticity test Fine Leak, Method 1014, Cond. A Gross Leak, Method 1014, Cond. C Final visual inspection Method 2009 SPACE PROTOTYPE (O) CLASS H CLASS K no no yes yes yes yes yes yes yes yes yes yes no yes yes no yes no yes yes yes yes no no no yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534. 43 SMHF SERIES SINGLE AND DUAL 15 WATT DC/DC CONVERTERS TABLE 3: RADIATION HARDNESS LEVELS PRODUCT LEVEL AVAILABILITY RADIATION HARDNESS LEVELS O: Standard, no radiation guarantee For system evaluation, electrically and mechanically comparable to H and K level. R: Radiation hardened – Tested lots Up to 100 k Rads (Si) total dose SEU guarantee up to 40 MeV R is referenced to (RHA) levels. ENVIRONMENTAL SCREENING LEVELS SPACE PROTOTYPE CLASS CLASS (O) H K OO HO Not available Not available HR KR MIL-PRF-38534, appendix G, Radiation Hardness Assurance TABLE 4: REPORTS INCLUDED WITH PURCHASE OF PRODUCT HR or KR 1. Radiation Susceptibility Analysis 2. Electrical/Thermal Stress Analysis and Derating Report 3. MTBF Report 4. FMEA Report HO option: Reports 2, 3, and 4 are included with purchase. OO option: Select reports available as separate purchases. Contact Information: www.interpoint.com Interpoint Headquarters USA Phone: 1-800-822-8782 +425-882-3100 Email: [email protected] Interpoint UK Phone: +44-1252-872266 Email: [email protected] 44 11921-001-DTS Rev B This revision supercedes all previous releases. All technical information is believed to be accurate, but no responsibility is assumed for errors or omissions. Interpoint reserves the right to make changes in products or specifications without notice. SMHF Series is a trademark of Interpoint. Copyright © 1997-2000 Interpoint. All rights reserved. Interpoint France Phone: +33-134285455 Email: [email protected]