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Technical Data Sheet
PartsTable / COMPONENT / MIL-PRF-19500/37
MIL-PRF-19500/37 ✓ 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 MIL-PRF-19500/37 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-269-3688, 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
MIL-PRF-19500/37
NSN: 5961-00-269-3688
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-PRF-19500/37
NSN5961-00-269-3688
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 MIL-PRF-19500/37 MFR OEM MIL-PRF-19500/37
KEY FEATURES
•
POWER RATING PER CHARACTERISTIC: 500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
MOUNTING METHOD: TERMINAL
•
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
POWER RATING PER CHARACTERISTIC500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
MOUNTING METHODTERMINAL
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
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 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/37 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2N335Interchangeable
interchangeable cross-reference
interchangeable
2N333Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/37Interchangeable
interchangeable cross-reference
interchangeable
1261915-1Interchangeable
interchangeable cross-reference
interchangeable
JAN2N333Interchangeable
interchangeable cross-reference
interchangeable
352-0225-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-PRF-19500/37?
MIL-PRF-19500/37 is a MIL-PRF-19500/37.
What parts can replace MIL-PRF-19500/37?
There are 25 known substitutes for MIL-PRF-19500/37: 2N335, 2N333, MIL-S-19500/37 and 22 more. Substitute compatibility should be verified for your specific system.
Is MIL-PRF-19500/37 still available?
MIL-PRF-19500/37 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