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Technical Data Sheet
2N548A ✓ 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, transfer_ratio: 20.0 NOMINAL SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, 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. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-950-7867, 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
2N548A
NSN: 5961-00-950-7867
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
transfer_ratio20.0 NOMINAL SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
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_materialGERMANIUM
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
internal_junction_configurationNPN
power_rating_per_characteristic600.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-950-7867
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 2N548A MFR OEM TRANSISTOR
KEY FEATURES
INTERNAL JUNCTION CONFIGURATION: NPN
FEATURES PROVIDED: HERMETICALLY SEALED CASE
POWER RATING PER CHARACTERISTIC: 600.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-5
INTERNAL CONFIGURATION: JUNCTION CONTACT
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
SEMICONDUCTOR MATERIAL: GERMANIUM
CURRENT RATING PER CHARACTERISTIC: 800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL JUNCTION CONFIGURATIONNPN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
POWER RATING PER CHARACTERISTIC600.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-5
INTERNAL CONFIGURATIONJUNCTION CONTACT
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
SEMICONDUCTOR MATERIALGERMANIUM
CURRENT RATING PER CHARACTERISTIC800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MOUNTING METHODTERMINAL
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2N551Interchangeable
interchangeable cross-reference
interchangeable
RELEASE3376Interchangeable
interchangeable cross-reference
interchangeable
2N550Interchangeable
interchangeable cross-reference
interchangeable
2N546Interchangeable
interchangeable cross-reference
interchangeable
2M1647Interchangeable
interchangeable cross-reference
interchangeable
2N1647Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N548A?
2N548A is a TRANSISTOR.
What parts can replace 2N548A?
There are 8 known substitutes for 2N548A: 2N551, RELEASE3376, 2N550 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N548A?
2N548A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-950-7867. This indicates validated use in U.S. government and defense supply chains.
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