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Technical Data Sheet
PartsTable / COMPONENT / 2N1021
2N1021 ✓ 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 features_provided: HERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACT, semiconductor_material: GERMANIUM, terminal_type_and_quantity: 2 UNINSULATED WIRE LEAD, specification/standard_data: 80131-2N1021 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD, internal_junction_configuration: PNP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-806-5029, 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
2N1021
NSN: 5961-00-806-5029
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data80131-2N1021 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
internal_junction_configurationPNP
NSN5961-00-806-5029
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 2N1021 MFR OEM TRANSISTOR
KEY FEATURES
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
INTERNAL JUNCTION CONFIGURATION: PNP
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
SEMICONDUCTOR MATERIAL: GERMANIUM
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CONFIGURATIONJUNCTION CONTACT
INTERNAL JUNCTION CONFIGURATIONPNP
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIALGERMANIUM
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MIL-S-19500/217Interchangeable
interchangeable cross-reference
interchangeable
232674Interchangeable
interchangeable cross-reference
interchangeable
JAN2N1021AAInterchangeable
interchangeable cross-reference
interchangeable
2N1021Interchangeable
interchangeable cross-reference
interchangeable
4192800-97Interchangeable
interchangeable cross-reference
interchangeable
1141924Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N1021?
2N1021 is a TRANSISTOR.
What parts can replace 2N1021?
There are 15 known substitutes for 2N1021: MIL-S-19500/217, 232674, JAN2N1021AA and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N1021?
2N1021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-806-5029. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026