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Technical Data Sheet
2N458A ✓ 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_width: 1.050 INCHES MAXIMUM IN, overall_height: 0.450 INCHES MAXIMUM IN, overall_length: 1.573 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), special_features: WEAPON SYSTEM ESSENTIAL, 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 5961-00-752-6126, 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
2N458A
NSN: 5961-00-752-6126
FSC: 5961
CAGE: 01295 — TEXAS INSTRUMENTS INCORPORATED (USA)
SPECIFICATIONS
overall_width1.050 INCHES MAXIMUM IN
overall_height0.450 INCHES MAXIMUM IN
overall_length1.573 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
special_featuresWEAPON SYSTEM ESSENTIAL
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
mounting_facility_quantity2
terminal_type_and_quantity2 PIN AND 1 CASE
specification/standard_data81349-MIL-S-19500/217 GOVERNMENT SPECIFICATION
criticality_code_justificationFEAT
NSN5961-00-752-6126
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 2N458A MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
SEMICONDUCTOR MATERIAL: GERMANIUM
INTERNAL CONFIGURATION: JUNCTION CONTACT
INTERNAL JUNCTION CONFIGURATION: PNP
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
SEMICONDUCTOR MATERIALGERMANIUM
INTERNAL CONFIGURATIONJUNCTION CONTACT
INTERNAL JUNCTION CONFIGURATIONPNP
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
212FGInterchangeable
interchangeable cross-reference
interchangeable
9418184Interchangeable
interchangeable cross-reference
interchangeable
2N458AInterchangeable
interchangeable cross-reference
interchangeable
2N458A/BInterchangeable
interchangeable cross-reference
interchangeable
225596Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N458A?
2N458A is a TRANSISTOR.
What parts can replace 2N458A?
There are 5 known substitutes for 2N458A: 212FG, 9418184, 2N458A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N458A?
2N458A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-752-6126. This indicates validated use in U.S. government and defense supply chains.
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