PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1N21B
1N21B ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, features_provided: HERMETICALLY SEALED CASE, terminal_type_and_quantity: 1 FERRULE, nondefinitive_spec/std_data: 1N21B TYPE, specification/standard_data: 93332-1N21B MANUFACTURERS SPECIFICATION CONTROL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-224-4868, 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
1N21B
NSN: 5961-00-224-4868
FSC: 5961
CAGE: 17540 — SKYWORKS SOLUTIONS, INC. (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity1 FERRULE
nondefinitive_spec/std_data1N21B TYPE
specification/standard_data93332-1N21B MANUFACTURERS SPECIFICATION CONTROL
NSN5961-00-224-4868
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 1N21B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
MATERIAL: SILICON SEMICONDUCTOR
•
SPECIFICATION/STANDARD DATA: 93332-1N21B MANUFACTURERS SPECIFICATION CONTROL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSILICON SEMICONDUCTOR
SPECIFICATION/STANDARD DATA93332-1N21B MANUFACTURERS SPECIFICATION CONTROL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
712-046168Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180 TY1CL1GRAInterchangeable
interchangeable cross-reference
interchangeable
C24516Interchangeable
interchangeable cross-reference
interchangeable
1N21BInterchangeable
interchangeable cross-reference
interchangeable
RELEASE 0493Interchangeable
interchangeable cross-reference
interchangeable
20C-0005-30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N21B?
1N21B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N21B?
There are 23 known substitutes for 1N21B: 712-046168, GGG-R-180 TY1CL1GRA, C24516 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N21B?
1N21B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-224-4868. 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