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99-3657-004 — TRANSISTOR

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

99-3657-004: TRANSISTOR.

The TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN, mounting_method: TERMINALTERMINAL, terminal_length: 1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN, overall_diameter: 0.360 INCHES MINIMUM AND 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNJUNCTION PATTERN ARRANGEMENT: PN, features_provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-064-2667, 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
99-3657-004
NSN: 5961-00-064-2667
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 93712 — ALLIANT DEFENSE ELECTRONICS SYSTEMS INC DBA LUNDY TECHNICAL CENTER (USA)
SPECIFICATIONS
overall_length0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
mounting_methodTERMINALTERMINAL
terminal_length1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
overall_diameter0.360 INCHES MINIMUM AND 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNJUNCTION PATTERN ARRANGEMENT: PN
features_providedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
internal_configurationUNIJUNCTIONUNIJUNCTION
semiconductor_materialSILICONSILICON
terminal_circle_diameter0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
power_rating_per_characteristic450.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION450.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic70.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC70.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-064-2667
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 99-3657-004 MFR OEM TRANSISTOR
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE60.0 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 140.0 CELSIUS JUNCTION140.0 CELSIUS JUNCTION DEGC
•
OVERALL DIAMETER: 0.360 INCHES MINIMUM AND 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
•
MOUNTING METHOD: TERMINALTERMINAL
•
SEMICONDUCTOR MATERIAL: SILICONSILICON
•
INTERNAL CONFIGURATION: UNIJUNCTIONUNIJUNCTION
TECHNICAL CHARACTERISTICS
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE60.0 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT140.0 CELSIUS JUNCTION140.0 CELSIUS JUNCTION DEGC
OVERALL DIAMETER0.360 INCHES MINIMUM AND 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
TERMINAL LENGTH1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
MOUNTING METHODTERMINALTERMINAL
SEMICONDUCTOR MATERIALSILICONSILICON
OVERALL LENGTH0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONUNIJUNCTIONUNIJUNCTION
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
CURRENT RATING PER CHARACTERISTIC70.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC70.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
SUBSTITUTES & CROSS-REFERENCES 4
99-3657-00Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
401001-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
X5B592Reference document
Same NSN cross-reference
Reference document — Secondary reference
4JX5B592Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99-3657-004?
99-3657-004 is a TRANSISTOR.
What parts can replace 99-3657-004?
There are 4 known substitutes for 99-3657-004: 99-3657-00, 401001-4, X5B592 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99-3657-004?
99-3657-004 is cataloged in the U.S. Government catalog under NSN 5961-00-064-2667. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.