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Technical Data Sheet
1N643A ✓ 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: 0.265 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES NOMINAL IN, overall_diameter: 0.105 INCHES NOMINAL 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 5961-00-302-9431, 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
1N643A
NSN: 5961-00-302-9431
FSC: 5961
CAGE: 14936 — GENERAL SEMICONDUCTOR INC (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.265 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES NOMINAL IN
overall_diameter0.105 INCHES NOMINAL IN
special_featuresNUCLEAR HARDNESS CRITICAL ITEMS: NO DRAWING TO DETERMINE IF ISC CODE 1 ITEM SHOULD ALSO BE NUCLEAR HARDNESS. CAN'T CHANGE CRITICALITY CODE TO REFLECT NUCLEAR HARDNESS
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE2648 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
current_rating_per_characteristic15.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC
voltage_rating_in_volts_per_characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
NSN5961-00-302-9431
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 1N643A MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
TERMINAL LENGTH: 1.000 INCHES MINIMUM IN
OVERALL DIAMETER: 0.105 INCHES MAXIMUM IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: DO-7
FEATURES PROVIDED: HERMETICALLY SEALED CASE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS AMBIENT AIR DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK
POWER RATING PER CHARACTERISTIC: 200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH1.000 INCHES MINIMUM IN
OVERALL DIAMETER0.105 INCHES MAXIMUM IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONDO-7
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS AMBIENT AIR DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC200.0 MAXIMUM REVERSE VOLTAGE, PEAK
POWER RATING PER CHARACTERISTIC200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
MOUNTING METHODTERMINAL
MATERIALGLASS ENCLOSURE
OVERALL LENGTH0.270 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
2600-0260Interchangeable
interchangeable cross-reference
interchangeable
1N643AInterchangeable
interchangeable cross-reference
interchangeable
720608-002Interchangeable
interchangeable cross-reference
interchangeable
JAN1N3070AInterchangeable
interchangeable cross-reference
interchangeable
QG19Interchangeable
interchangeable cross-reference
interchangeable
847001-0026Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N643A?
1N643A is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N643A?
There are 6 known substitutes for 1N643A: 2600-0260, 1N643A, 720608-002 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N643A?
1N643A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-302-9431. This indicates validated use in U.S. government and defense supply chains.
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