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FEATURES
* * * * * * * * * * * * * *
Fully qualified to Class H or K Radiation hardened -55 to +125C 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
DC/DC CONVERTERS 28 VOLT INPUT
SMHF SERIES SINGLE AND DUAL 15 WATT
DESCRIPTION
The SMHF SeriesTM 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. 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.
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.
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.
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.
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
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
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) * 300C Storage Temperature Range (Case) * -65C to +150C
TYPICAL CHARACTERISTICS
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 (55C to +125C Tc) * Free run 550 kHz typical 480 kHz min, 620 kHz max Inhibit Pin Voltage (unit enabled) * 8.5 to 12 V
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range * 16 to 40 VDC continuous * 0 V for up to 50 msec transient Case Operating Temperature (Tc) * -55C to +125C full power * -55C to +135C absolute Derating Output Power/Current (Tc) * Linearly from 100% at 125C to 0% at 135C
Electrical Characteristics: 25C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
SINGLE OUTPUT MODELS OUTPUT VOLTAGE Tc = 25C OUTPUT CURRENT VIN = 16 TO 40 VDC OUTPUT POWER OUTPUT RIPPLE VOLTAGE LINE REGULATION LOAD REGULATION INPUT VOLTAGE NO LOAD TO FULL INPUT CURRENT VIN = 16 TO 40 VDC 10 kHz - 2 MHz Tc = -55C TO +125C VIN = 16 TO 40 VDC NO LOAD TO FULL CONTINUOUS TRANSIENT 120 ms NO LOAD FULL LOAD INHIBITED 10k Hz - 10 MHz Tc = -55C TO +125C Tc = 25C SHORT CIRCUIT POWER DISSIPATION RECOVERY2 50 %-100%- 50% TRANSIENT RECOVERY2 16 TO 40 TO 16 VIN TRANSIENT3 RECOVERY2 DELAY OVERSHOOT4 SMHF283R3S 3.27 3.3 3.33 -- -- 2.4 0 -- -- -- -- 16 0 -- -- -- -- -- 70 -- -- -- 60 80 5 20 28 -- 25 -- 5 45 -- 73 5 7.5 8 160 240 100 50 40 50 65 397 12 80 120 -- 8 30 500 300 800 1.2 25 300 SMHF2805S SMHF2812S SMHF2815S 4.95 5 5.05 11.88 12 12.12 14.85 15 15.15 -- -- 2.4 -- -- 1.25 -- -- 1.00 0 -- -- -- -- 16 0 -- -- -- -- -- 73 -- -- -500 -- -800 -- -- -- -- 30 150 5 20 28 -- 25 560 5 35 -- 75 3.5 7.5 150 150 550 0.8 10 100 12 80 240 100 50 40 50 40 624 12 80 120 -- 8 30 500 300 800 1.2 25 600 0 -- -- -- -- 16 0 -- -- -- -- -- 78 -- -- -- 60 50 5 20 28 -- 25 680 5 35 -- 79 3.5 7.5 15 160 120 100 50 40 50 50 752 12 80 120 -- 8 30 700 500 0 -- -- -- -- 16 0 -- -- -- -- -- 74 -- -- -800 -- -- 60 100 5 20 28 -- 25 670 5 35 -- 80 3.5 7.5 15 75 260 100 50 40 50 62 752 12 80 120 -- 7 30 VDC A W mV p-p mV mV VDC V mA
INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT1
mA p-p % W ms mV pk s mV pk s s mV pk
STEP LOAD RESPONSE STEP LINE RESPONSE START-UP 0 TO 28 VIN
-400 150 -- 150 -800 550 -- 0.8 -- 10 -- 200
-700 150 -- 150 -800 550 -- 0.8 -- 10 -- 200
200 800 600 1200 550 800 0.8 1.2 10 25 200 1500
800 -800 1.2 -- 25 -- 1200 --
Notes 1. Indefinite short circuit protection not guaranteed above 125C (case) 2. Recovery time is measured from application of the transient to the point at which Vout is within regulation.
3. Input step transition time >10s. 4. Input step transition time <100s.
34
DC/DC CONVERTERS
DUAL OUTPUT MODELS PARAMETER OUTPUT VOLTAGE CONDITIONS +VOUT -VOUT OUTPUT CURRENT1 OUTPUT POWER1 OUTPUT RIPPLE VOLTAGE VOUT LINE REGULATION Vin = 16 to 40 VDC LOAD REGULATION VIN = 16 to 40 VDC VIN = 16 to 40 VDC 10 kHz - 2 MHz Tc = -55C to +125C BALANCED +VOUT LOAD -VOUT -VOUT BALANCED +VOUT LOAD CROSS REGULATION2 INPUT VOLTAGE NO LOAD TO FULL INPUT CURRENT MIN 4.95 4.92 -- -- -- -- -- -- -- -- -- 16 -- -- -- -- -- -- 75 -- -- -600 -600 -- -800 -- -- 0 SMHF2805D TYP 5.00 5.00 1.2 -- 60 100 5 -- 20 -- 6 28 -- 20 540 6 30 60 77 3 7.5 200 150 150 600 0.8 12 100 MAX 5.05 5.08 1.68 12 160 240 50 100 50 150 7.5 40 50 50 600 12 80 120 -- 8 30 600 600 500 800 1.2 30 500 MIN 11.88 11.82 -- -- -- -- -- -- -- -- -- 16 -- -- -- -- -- -- 74 -- -- -600 -600 -- -750 -- -- 0 SMHF2812D TYP 12.00 12.00 0.625 -- 70 100 5 -- 20 -- 3 28 -- 25 645 5 40 55 81 3 7.5 300 100 200 550 0.8 12 200 MAX 12.12 1218 0.875 15 175 275 50 100 50 150 6 40 50 50 754 12 80 120 -- 6 50 600 500 500 750 1.2 25 500
SMHF SERIES SINGLE AND DUAL 15 WATT
SMHF2815D MIN 14.85 14.78 -- -- -- -- -- -- -- -- -- 16 -- -- -- -- -- -- 74 -- -- -600 -600 -- -750 -- -- 0 TYP 15.00 15.00 0.500 -- 70 100 5 -- 20 -- 3 28 -- 25 638 5 40 55 82 3 7.5 300 100 200 550 0.8 12 200 MAX 15.15 15.23 0.700 15 175 275 50 100 50 150 6 40 50 50 754 12 80 120 -- 6 50 600 600 600 750 1.2 25 500 s mV pk ms ms mV pk % VDC V mA mV A W mV p-p mV UNITS VDC
Electrical Characteristics: 25C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
NEGATIVE VOUT CONTINUOUS TRANSIENT 50 msec NO LOAD FULL LOAD INHIBITED 10 kHz - 10 MHz Tc = -55C to +125C SHORT CIRCUIT3 POWER DISSIPATION RECOVERY4 50% - 100% - 50% +VOUT TRANSIENT -VOUT RECOVERY4 16 - 40 - 40 VDC TRANSIENT6 RECOVERY4 DELAY OVERSHOOT7
INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT
mA p-p % W ms
STEP LOAD RESP.5 BALANCED LOADS
mV pk
STEP LINE RESP. VOUT START-UP
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 125C (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 >10s. 7. Input step transition time <100s.
35
SMHF SERIES SINGLE AND DUAL 15 WATT
DC/DC CONVERTERS
BLOCK DIAGRAM
5 H
Positive Input
2 F
Positive Output
Inhibit
PWM Controller IC
ID FET Driver Limit Ref.
Input Common
Output Common
FIGURE 1: SMHF SINGLE OUTPUT
36
DC/DC CONVERTERS
Pin 1 2 3 4 51 6 7 8 PIN OUT Single Output Inhibit No connection Output Common Positive Output Sync Case Ground Input Common Positive Input Dual Output Inhibit Positive Output Output Common Negative Output Sync Case Ground Input Common Positive Input
SMHF SERIES SINGLE AND DUAL 15 WATT
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
MODEL NUMBERING KEY
Base Model Input Voltage Output Voltage Number of Outputs (S = single, D = dual) Case Option (Non-flanged case has no designator in this position) Screening Radiation Level SMHF 28 05 S F / K R
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
37
SMHF SERIES SINGLE AND DUAL 15 WATT
90
DC/DC CONVERTERS
90 16V 80 80 16V 28V 70 40V 60 90
Typical Performance Curves: 25C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
80
16V
EFFICIENCY (%)
EFFICIENCY (%)
70 40V 28V 60
EFFICIENCY (%)
70 40V 60 28V
50
50
50
40
2
4
6
8
10
12
40
2
4
6
8
10
12
14 15
40
2
4
6
8
10
12
14 15
OUTPUT POWER (Watts)
SMHF 2805S EFFICIENCY
OUTPUT POWER (Watts)
OUTPUT POWER (Watts)
SMHF2812S EFFICIENCY
SMHF2815S EFFICIENCY
FIGURE 3
FIGURE 4
FIGURE 5
90 16V 80
90 16V 80
90 16V 80
EFFICIENCY (%)
EFFICIENCY (%)
EFFICIENCY (%)
70 40V 60 28V
70 40V 60 28V 50
70 40V 60 28V 50
50
40
40 2 4 6 8 10 12
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 6
FIGURE 7
FIGURE 8
0 -10
ATTENUATION (dB)
500mV/div.
-20 -30 -40 -50 -60 -70 -80 -90 -100 0.1 1 10 100
VOUT
100% to 50%
100mV/div.
50% to 100%
20V/div.
VIN
FREQUENCY (kHz)
1ms/div 16V TO 40V
SMHF SERIES AUDIO REJECTION
SMHF2805S STEP LINE RESPONSE
50s/div 50% 100%
SMHF2805S STEP LOAD RESPONSE
FIGURE 9
FIGURE 10
FIGURE 11
38
DC/DC CONVERTERS
SMHF SERIES SINGLE AND DUAL 15 WATT
Typical Performance Curves: 25C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
20V/div.
100% to 10%
100mV/div.
200mV/div. 20V/div.
POUT= 12W
VIN
+VOUT
10% to 100%
1V/div.
VOUT
VIN
200s/div 10% 100%
2 ms/div
1 ms/div 16V TO 40V
SMHF2805S STEP LOAD RESPONSE
SMHF2805S TURN-ON INTO FULL LOAD
SMHF2815D STEP LINE RESPONSE
FIGURE 12
FIGURE 13
FIGURE 14
100% to 50%
PO= 7.5 W
PO= 7.5 W -VOUT 100% to 20%
100mV/div.
100mV/div.
5V/div.
+VOUT
20% to 100%
20V/div.
50s/div 20% 100% SMHF+2815D VOUT STEP LOAD RESPONSE
50% to 100%
VIN
50s/div 50% 100% SMHF2815D +V STEP LOAD RESPONSE
2 ms/div
SMHF2815D TURN-ON INTO FULL LOAD
FIGURE 15
FIGURE 16
FIGURE 17
10
-VOUT VOLTAGE CHANGE (%)
10
8 6
2805D 2812D COND A
16 SMHF2805S&D
-V OUT VOLTAGE CHANGE (%)
5 2812D 2815D 0
INPUT VOLTAGE (Volts)
4 2 0 -2 -4 -6 -8 10 20
15
2815D COND B 2812D 2805D 30 40 50
14
-5 2805D
13
SMHF2812S&D SMHF2815S&D
-10
0
20
40
60
80
100
-10
12 10
11
12
13
14
15
POSITIVE OUTPUT LOAD (% OF TOTAL LOAD) -VOUT WITH SHIFT IN LOAD BALANCE
CROSS REGULATION
OUTPUT LOAD (%) COND. A: 50% LOAD +V; 50% to 10% -V COND. B: 50% LOAD -V; 50% to 10% +V
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.
1.130 max (28.70)
Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel (SMHF Series Cold Rolled Steel/Nickel/Gold) Pins #52 alloy/Gold compression glass seal 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 CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300C for 10 seconds per pin.
1.460 max (37.08)
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) 0.030 dia. (0.76)
1
2
3
4
5
0.160 (4.06) 0.000
0.330 max (8.38) 0.25 (6.35) 0.000 0.000
8
7
6
0.205 (5.21)
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
0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07)
DC/DC CONVERTERS
Squared corner and dot on top of case indicate pin one.
SMHF SERIES SINGLE AND DUAL 15 WATT
CASE G BOTTOM VIEW Flanged package See Figure 24 for pin configuration
1.130 max (28.70)
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 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 CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300C for 10 seconds per pin.
2.005 max (50.93)
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) 0.030 dia. (0.76)
1
2
3
4
5 0.128 dia (3.25)
0.560 (14.22) 8 7 6
0.160 (4.06) 0.000
0.330 max. (8.38) 0.25 (6.35) 0.140 (3.56) 0.000 0.000
0.205 (5.21)
0.505 (12.83)
0.705 (17.91)
0.905 (22.99)
1.105 (28.07)
FIGURE 24: CASE G1
1.590 (40.39)
41
SMHF SERIES SINGLE AND DUAL 15 WATT
DC/DC CONVERTERS
TABLE 1: ELEMENT EVALUATION SPACE PROTOTYPE CLASS (O) H M/S P M/S P yes no no no no no no no no no no no no no no no no no no no no no no no no no no no no no yes yes yes no no no no no no no no yes yes no no
ELEMENT EVALUATION TEST PERFORMED (COMPONENT LEVEL) Element Electrical Element Visual Internal Visual Temperature Cycling Constant Acceleration Interim Electrical Burn-in Post Burn-in Electrical Steady State Life Voltage Conditioning /Aging Visual Inspection Final Electrical Wire Bond Evaluation SEM SLAMTM/C-SAM: Input capacitors only (Add'l test, not req. by H or K)
CLASS K M/S P yes yes no yes yes no no no no yes yes yes yes no yes
yes yes yes yes no no no no no no no no no yes yes yes yes yes yes yes no no
yes yes yes yes no yes yes no
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 SLAMTM: Scanning Laser Acoustic Microscopy C-SAM: C - Mode Scanning Acoustic Microscopy
42
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, 125C 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) no yes yes yes no no yes yes no no yes
SMHF SERIES SINGLE AND DUAL 15 WATT
CLASS H no yes yes yes yes no yes no yes no yes
CLASS K yes yes yes yes yes yes yes no no 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 ENVIRONMENTAL SCREENING LEVELS SPACE PROTOTYPE CLASS CLASS (O) H K OO HO Not available
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.
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: Interpoint Headquarters USA Phone: 1-800-822-8782 +425-882-3100 Email: power@intp.com
www.interpoint.com Interpoint UK Phone: +44-1252-872266 Email: poweruk@intp.com Interpoint France Phone: +33-134285455 Email: powerfr@intp.com
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 (c) 1997-2000 Interpoint. All rights reserved.

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