PartsTable
Technical Data Sheet
1N4438 ✓ Verified by PartsTable
· SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include material: SILICON, overall_length: 0.420 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.761 INCHES NOMINAL IN, terminal_type_and_quantity: 4 TAB, SOLDER LUG, circuit_connection_style_designator: BRIDGE 1 PHASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-449-4245, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1N4438
NSN: 5961-00-449-4245
FSC: 5961
CAGE: 24039 — VARO LLC (USA)
SPECIFICATIONS
materialSILICON
overall_length0.420 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.761 INCHES NOMINAL IN
terminal_type_and_quantity4 TAB, SOLDER LUG
circuit_connection_style_designatorBRIDGE 1 PHASE
absolute_maximum_current_rating_per_characteristic10.00 AMPERES AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 100.00 AMPERES PEAK FORWARD SURGE CURRENT
absolute_maximum_voltage_rating_in_volts_per_characteristic600.0 REPETITIVE PEAK REVERSE VOLTAGE
NSN5961-00-449-4245
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 1N4438 MFR OEM RECTIFIER,SEMICONDUCTOR DEVICE,U
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 4 TAB, SOLDER LUG
OVERALL DIAMETER: 0.761 INCHES NOMINAL IN
ABSOLUTE MAXIMUM CURRENT RATING PER CHARACTERISTIC: 10.00 AMPERES AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 100.00 AMPERES PEAK FORWARD SURGE CURRENT
MATERIAL: SILICON
MOUNTING METHOD: UNTHREADED HOLE(S)
ABSOLUTE MAXIMUM VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 600.0 REPETITIVE PEAK REVERSE VOLTAGE
CIRCUIT CONNECTION STYLE DESIGNATOR: BRIDGE 1 PHASE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY4 TAB, SOLDER LUG
OVERALL LENGTH0.420 INCHES NOMINAL IN
OVERALL DIAMETER0.761 INCHES NOMINAL IN
ABSOLUTE MAXIMUM CURRENT RATING PER CHARACTERISTIC10.00 AMPERES AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 100.00 AMPERES PEAK FORWARD SURGE CURRENT
MATERIALSILICON
MOUNTING METHODUNTHREADED HOLE(S)
ABSOLUTE MAXIMUM VOLTAGE RATING IN VOLTS PER CHARACTERISTIC600.0 REPETITIVE PEAK REVERSE VOLTAGE
CIRCUIT CONNECTION STYLE DESIGNATORBRIDGE 1 PHASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
152-0170-00Interchangeable
interchangeable cross-reference
interchangeable
CX342Interchangeable
interchangeable cross-reference
interchangeable
1N4441Interchangeable
interchangeable cross-reference
interchangeable
1N4436Interchangeable
interchangeable cross-reference
interchangeable
6750-00Interchangeable
interchangeable cross-reference
interchangeable
JEDEC1N4436Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N4438?
1N4438 is a RECTIFIER,SEMICONDUCTOR DEVICE,U.
What parts can replace 1N4438?
There are 8 known substitutes for 1N4438: 152-0170-00, CX342, 1N4441 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N4438?
1N4438 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-449-4245. This indicates validated use in U.S. government and defense supply chains.
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