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Technical Data Sheet
2N651A ✓ 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: 0.230 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.330 INCHES NOMINAL IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-226-8669, 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
2N651A
NSN: 5961-00-226-8669
FSC: 5961
CAGE: 04713 — FREESCALE SEMICONDUCTOR, INC. (USA)
SPECIFICATIONS
overall_length0.230 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.330 INCHES NOMINAL IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/175 GOVERNMENT SPECIFICATION
internal_junction_configurationPNP
NSN5961-00-226-8669
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 2N651A MFR OEM TRANSISTOR
KEY FEATURES
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/175 GOVERNMENT SPECIFICATION
FEATURES PROVIDED: HERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 30.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
CURRENT RATING PER CHARACTERISTIC: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
MOUNTING METHOD: TERMINAL
SEMICONDUCTOR MATERIAL: GERMANIUM
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/175 GOVERNMENT SPECIFICATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 30.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
CURRENT RATING PER CHARACTERISTIC500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MOUNTING METHODTERMINAL
SEMICONDUCTOR MATERIALGERMANIUM
TEST DATA DOCUMENT81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8836423Interchangeable
interchangeable cross-reference
interchangeable
2N651Interchangeable
interchangeable cross-reference
interchangeable
2N651AInterchangeable
interchangeable cross-reference
interchangeable
RELEASE3075Interchangeable
interchangeable cross-reference
interchangeable
TR361Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/175Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N651A?
2N651A is a TRANSISTOR.
What parts can replace 2N651A?
There are 15 known substitutes for 2N651A: 8836423, 2N651, 2N651A and 12 more. Substitute compatibility should be verified for your specific system.
Is 2N651A still available?
2N651A is currently cancelled.
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