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Technical Data Sheet
1N645 ✓ 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: 0.225 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM IN, overall_diameter: 0.120 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-085-6953, 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
1N645
NSN: 5961-00-085-6953
FSC: 5961
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.225 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
overall_diameter0.120 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
nondefinitive_spec/std_data1N645 TYPE
specification/standard_data81349-MIL-S-19500/240 GOVERNMENT SPECIFICATION
criticality_code_justificationFEAT
power_rating_per_characteristic0.6 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-00-085-6953
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 1N645 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
FEATURES PROVIDED: HERMETICALLY SEALED CASE
MOUNTING METHOD: TERMINAL
CURRENT RATING PER CHARACTERISTIC: 0.40 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
TERMINAL LENGTH: 1.000 INCHES MINIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 225.0 MAXIMUM REVERSE VOLTAGE, PEAK
POWER RATING PER CHARACTERISTIC: 0.6 WATTS MAXIMUM REVERSE POWER DISSIPATION, AVERAGE
OVERALL DIAMETER: 0.150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MOUNTING METHODTERMINAL
CURRENT RATING PER CHARACTERISTIC0.40 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
TERMINAL LENGTH1.000 INCHES MINIMUM IN
OVERALL LENGTH0.300 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC225.0 MAXIMUM REVERSE VOLTAGE, PEAK
POWER RATING PER CHARACTERISTIC0.6 WATTS MAXIMUM REVERSE POWER DISSIPATION, AVERAGE
OVERALL DIAMETER0.150 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS AMBIENT AIR DEGC
MATERIALSILICON SEMICONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
141-001-0041Interchangeable
interchangeable cross-reference
interchangeable
691C891P2Interchangeable
interchangeable cross-reference
interchangeable
5961000876047Interchangeable
interchangeable cross-reference
interchangeable
200395-001Interchangeable
interchangeable cross-reference
interchangeable
1N645Interchangeable
interchangeable cross-reference
interchangeable
353-2607-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N645?
1N645 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N645?
There are 19 known substitutes for 1N645: 141-001-0041, 691C891P2, 5961000876047 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N645?
1N645 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-085-6953. This indicates validated use in U.S. government and defense supply chains.
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