PartsTable
Technical Data Sheet
STP-31 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, overall_height: 0.165 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, overall_length: 1.145 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN, mounting_method: TERMINAL, special_features: COLLECTOR-BASE AND COLLECTOR-EMITTER VOLTAGE 40 V; JUNCTION PATTERN ARRANGEMENT: NPN V. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-026-1255, 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
STP-31
NSN: 5961-01-026-1255
FSC: 5961
CAGE: 50891 — SEMICONDUCTOR TECHNOLOGY, INC. DBA SEMICONDUCTOR TECHNOLOGY INC (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
overall_height0.165 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
overall_length1.145 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
mounting_methodTERMINAL
special_featuresCOLLECTOR-BASE AND COLLECTOR-EMITTER VOLTAGE 40 V; JUNCTION PATTERN ARRANGEMENT: NPN V
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
overall_width_across_flats0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
current_rating_per_characteristic8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.30 AMPERES MAXIMUM BASE CURRENT, DC
voltage_rating_in_volts_per_characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
NSN5961-01-026-1255
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 STP-31 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
MATERIAL: PLASTIC ENCLOSURE
MOUNTING METHOD: TERMINAL
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 165.0 CELSIUS JUNCTION DEGC
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MATERIALPLASTIC ENCLOSURE
OVERALL HEIGHT0.165 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
SPECIAL FEATURESCOLLECTOR-BASE AND COLLECTOR-EMITTER VOLTAGE 40 V; JUNCTION PATTERN ARRANGEMENT: NPN V
OVERALL LENGTH1.145 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
OVERALL WIDTH0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT165.0 CELSIUS JUNCTION DEGC
INTERNAL CONFIGURATIONJUNCTION CONTACT
OVERALL WIDTH ACROSS FLATS0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
310-023Interchangeable
interchangeable cross-reference
interchangeable
2-310-B-023Interchangeable
interchangeable cross-reference
interchangeable
63-901-004Interchangeable
interchangeable cross-reference
interchangeable
790413Interchangeable
interchangeable cross-reference
interchangeable
9610003Interchangeable
interchangeable cross-reference
interchangeable
1SPS331858Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STP-31?
STP-31 is a TRANSISTOR.
What parts can replace STP-31?
There are 9 known substitutes for STP-31: 310-023, 2-310-B-023, 63-901-004 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STP-31?
STP-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-026-1255. This indicates validated use in U.S. government and defense supply chains.
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