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Technical Data Sheet
2N1546 ✓ 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: 0.375 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.875 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACT, semiconductor_material: GERMANIUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-882-8681, 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
2N1546
NSN: 5961-00-882-8681
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.375 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.875 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
mounting_facility_quantity2
terminal_type_and_quantity2 UNINSULATED WIRE LEAD AND 1 CASE
specification/standard_data80131-RELEASE2984 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
internal_junction_configurationPNP
power_rating_per_characteristic106.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-882-8681
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 2N1546 MFR OEM TRANSISTOR
KEY FEATURES
INTERNAL CONFIGURATION: JUNCTION CONTACT
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD AND 1 CASE
MOUNTING FACILITY QUANTITY: 2
FEATURES PROVIDED: HERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIAL: GERMANIUM
INTERNAL JUNCTION CONFIGURATION: PNP
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
POWER RATING PER CHARACTERISTIC: 106.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CONFIGURATIONJUNCTION CONTACT
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD AND 1 CASE
MOUNTING FACILITY QUANTITY2
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIALGERMANIUM
INTERNAL JUNCTION CONFIGURATIONPNP
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
POWER RATING PER CHARACTERISTIC106.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
OVERALL LENGTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2N1554Interchangeable
interchangeable cross-reference
interchangeable
RELEASE2984Interchangeable
interchangeable cross-reference
interchangeable
A116-800W2Interchangeable
interchangeable cross-reference
interchangeable
WC375/01-011Interchangeable
interchangeable cross-reference
interchangeable
W-C-375/1Interchangeable
interchangeable cross-reference
interchangeable
2N1544Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N1546?
2N1546 is a TRANSISTOR.
What parts can replace 2N1546?
There are 14 known substitutes for 2N1546: 2N1554, RELEASE2984, A116-800W2 and 11 more. Substitute compatibility should be verified for your specific system.
Is 2N1546 still available?
2N1546 is currently cancelled.
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