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Technical Data Sheet
PartsTable / COMPONENT / 1261915-1
1261915-1 ✓ 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 1261915-1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-752-0432, 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
1261915-1
NSN: 5961-00-752-0432
FSC: 5961
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
Part Number1261915-1
NSN5961-00-752-0432
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 1261915-1 MFR OEM 1261915-1
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 45.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 1.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
•
TERMINAL LENGTH: 1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
POWER RATING PER CHARACTERISTIC: 150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
•
MOUNTING METHOD: TERMINAL
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/37 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 45.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 1.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
TERMINAL LENGTH1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
MOUNTING METHODTERMINAL
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/37 GOVERNMENT SPECIFICATION
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MILS19500-37Interchangeable
interchangeable cross-reference
interchangeable
2N333AInterchangeable
interchangeable cross-reference
interchangeable
JAN2N333AInterchangeable
interchangeable cross-reference
interchangeable
1288976-1Interchangeable
interchangeable cross-reference
interchangeable
632232-2Interchangeable
interchangeable cross-reference
interchangeable
N2088262-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1261915-1?
1261915-1 is a 1261915-1.
What parts can replace 1261915-1?
There are 28 known substitutes for 1261915-1: MILS19500-37, 2N333A, JAN2N333A and 25 more. Substitute compatibility should be verified for your specific system.
Is 1261915-1 still available?
1261915-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026