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Technical Data Sheet
66A5A46-1 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-938-7596, 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
66A5A46-1
NSN: 5961-00-938-7596
FSC: 5961
CAGE: 02387 — NAVAL AIR WARFARE CENTER AIRCRAFT DIV (USA)
SPECIFICATIONS
overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
internal_junction_configurationNPN
power_rating_per_characteristic34.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
voltage_rating_in_volts_per_characteristic40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
NSN5961-00-938-7596
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 66A5A46-1 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
CURRENT RATING PER CHARACTERISTIC: 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
FEATURES PROVIDED: HERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIAL: SILICON
MOUNTING METHOD: TERMINAL
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
CURRENT RATING PER CHARACTERISTIC3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIALSILICON
MOUNTING METHODTERMINAL
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TERMINAL LENGTH1.500 INCHES MINIMUM IN
INTERNAL JUNCTION CONFIGURATIONNPN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2N3719Interchangeable
interchangeable cross-reference
interchangeable
7000961Interchangeable
interchangeable cross-reference
interchangeable
01226756Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66A5A46-1?
66A5A46-1 is a TRANSISTOR.
What parts can replace 66A5A46-1?
There are 3 known substitutes for 66A5A46-1: 2N3719, 7000961, 01226756. Substitute compatibility should be verified for your specific system.
What is the NSN for 66A5A46-1?
66A5A46-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-938-7596. This indicates validated use in U.S. government and defense supply chains.
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