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Technical Data Sheet
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EQSEC2 ✓ 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: 0.260 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.370 INCHES NOMINAL IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-995-3692, 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
EQSEC2
NSN: 5961-00-995-3692
FSC: 5961
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
overall_length0.260 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.370 INCHES NOMINAL IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 PIN
power_rating_per_characteristic800.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
voltage_rating_in_volts_per_characteristic100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
NSN5961-00-995-3692
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 EQSEC2 MFR OEM TRANSISTOR
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.370 INCHES NOMINAL IN
•
POWER RATING PER CHARACTERISTIC: 800.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
TERMINAL TYPE AND QUANTITY: 3 PIN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
OVERALL LENGTH0.260 INCHES NOMINAL IN
OVERALL DIAMETER0.370 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC800.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
TERMINAL TYPE AND QUANTITY3 PIN
TERMINAL LENGTH1.500 INCHES MINIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2N1973Interchangeable
interchangeable cross-reference
interchangeable
900054-1Interchangeable
interchangeable cross-reference
interchangeable
RT5713Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EQSEC2?
EQSEC2 is a TRANSISTOR.
What parts can replace EQSEC2?
There are 3 known substitutes for EQSEC2: 2N1973, 900054-1, RT5713. Substitute compatibility should be verified for your specific system.
What is the NSN for EQSEC2?
EQSEC2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-995-3692. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026