PartsTable
Technical Data Sheet
1N643 ✓ 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

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, overall_length: 0.195 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, overall_diameter: 0.077 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-577-6217, 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
1N643
NSN: 5961-00-577-6217
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.195 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
overall_diameter0.077 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
end_item_identificationTYPE NO. AN/APS-95
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
nondefinitive_spec/std_data1N643 TYPE
specification/standard_data81349-MIL-S-19500/256 GOVERNMENT SPECIFICATION
current_rating_per_characteristic40.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
voltage_rating_in_volts_per_characteristic175.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 200.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
NSN5961-00-577-6217
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 1N643 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
MATERIAL: SILICON SEMICONDUCTOR
FEATURES PROVIDED: HERMETICALLY SEALED CASE
NONDEFINITIVE SPEC/STD DATA: 1N643 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
MATERIALSILICON SEMICONDUCTOR
FEATURES PROVIDEDHERMETICALLY SEALED CASE
NONDEFINITIVE SPEC/STD DATA1N643 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1N643Interchangeable
interchangeable cross-reference
interchangeable
579R762H01Interchangeable
interchangeable cross-reference
interchangeable
353-2871-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N643?
1N643 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N643?
There are 3 known substitutes for 1N643: 1N643, 579R762H01, 353-2871-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N643?
1N643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-577-6217. This indicates validated use in U.S. government and defense supply chains.
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