PartsTable
Technical Data Sheet
2N678 ✓ 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: 0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.875 INCHES MAXIMUM0.875 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNPJUNCTION PATTERN ARRANGEMENT: PNP, features_provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACTJUNCTION CONTACT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-069-2037, 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
2N678
NSN: 5961-00-069-2037
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.875 INCHES MAXIMUM0.875 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNPJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACTJUNCTION CONTACT
semiconductor_materialGERMANIUMGERMANIUM
mounting_facility_quantity22
terminal_type_and_quantity2 UNINSULATED WIRE LEAD AND 2 UNINSULATED WIRE LEAD AND 1 CASE1 CASE
specification/standard_data81349-MIL-S-19500/330 GOVERNMENT SPECIFICATION81349-MIL-S-19500/330 GOVERNMENT SPECIFICATION
power_rating_per_characteristic90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM BASE CURRENT, DC AND -15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC-15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-069-2037
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 2N678 MFR OEM TRANSISTOR
KEY FEATURES
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
OVERALL DIAMETER: 0.875 INCHES MAXIMUM0.875 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC: 90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: -50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN-20.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
MOUNTING METHOD: UNTHREADED HOLE(S)
TEST DATA DOCUMENT: 81349-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.).81349-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.).
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/330 GOVERNMENT SPECIFICATION81349-MIL-S-19500/330 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
OVERALL DIAMETER0.875 INCHES MAXIMUM0.875 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC-50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN-20.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
MOUNTING METHODUNTHREADED HOLE(S)
OVERALL LENGTH0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN
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.).81349-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.).
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/330 GOVERNMENT SPECIFICATION81349-MIL-S-19500/330 GOVERNMENT SPECIFICATION
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNPJUNCTION PATTERN ARRANGEMENT: PNP
CURRENT RATING PER CHARACTERISTIC5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM BASE CURRENT, DC AND -15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC-15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2N1557Interchangeable
interchangeable cross-reference
interchangeable
2N1560Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/330Interchangeable
interchangeable cross-reference
interchangeable
JAN2N1560AInterchangeable
interchangeable cross-reference
interchangeable
B5493158Interchangeable
interchangeable cross-reference
interchangeable
JAN2N1558AAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N678?
2N678 is a TRANSISTOR.
What parts can replace 2N678?
There are 13 known substitutes for 2N678: 2N1557, 2N1560, MIL-S-19500/330 and 10 more. Substitute compatibility should be verified for your specific system.
Is 2N678 still available?
2N678 is currently cancelled.
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