PartsTable
Technical Data Sheet
RELEASE4957 ✓ 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,THYRISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.505 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), overall_diameter: 0.650 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNPN, features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.250 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-497-0975, 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
RELEASE4957
NSN: 5961-00-497-0975
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.505 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
overall_diameter0.650 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNPN
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.250 INCHES IN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.562 INCHES MAXIMUM IN
terminal_type_and_quantity1 THREADED STUD AND 2 TAB, SOLDER LUG
NSN5961-00-497-0975
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 RELEASE4957 MFR OEM SEMICONDUCTOR DEVICE,THYRISTOR
KEY FEATURES
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 120.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 300.0 MAXIMUM BREAKOVER VOLTAGE, DC
NOMINAL THREAD SIZE: 0.250 INCHES IN
FEATURES PROVIDED: HERMETICALLY SEALED CASE
MOUNTING FACILITY QUANTITY: 1
POWER RATING PER CHARACTERISTIC: 1.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
OVERALL WIDTH ACROSS FLATS: 0.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.505 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT120.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC300.0 MAXIMUM BREAKOVER VOLTAGE, DC
NOMINAL THREAD SIZE0.250 INCHES IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MOUNTING FACILITY QUANTITY1
POWER RATING PER CHARACTERISTIC1.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
OVERALL WIDTH ACROSS FLATS0.562 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC16.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
SPECIFICATION/STANDARD DATA80131-RELEASE4957 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
C408Interchangeable
interchangeable cross-reference
interchangeable
2332162Interchangeable
interchangeable cross-reference
interchangeable
2N3653Interchangeable
interchangeable cross-reference
interchangeable
2N3658Interchangeable
interchangeable cross-reference
interchangeable
2N3656Interchangeable
interchangeable cross-reference
interchangeable
2N3655Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy RELEASE4957?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is RELEASE4957?
RELEASE4957 is a SEMICONDUCTOR DEVICE,THYRISTOR.
What parts can replace RELEASE4957?
There are 8 known substitutes for RELEASE4957: C408, 2332162, 2N3653 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RELEASE4957?
RELEASE4957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-497-0975. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — RELEASE4957