PartsTable
Technical Data Sheet
1N2821B ✓ 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, overall_length: 1.000 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 0.370 INCHES MINIMUM IN, features_provided: HERMETICALLY SEALED CASE, terminal_type_and_quantity: 2 PIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-857-4916, 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
1N2821B
NSN: 5961-00-857-4916
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length1.000 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.370 INCHES MINIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 PIN
specification/standard_data80131-RELEASE2913 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic500.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
voltage_rating_in_volts_per_characteristic25.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
NSN5961-00-857-4916
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 1N2821B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
MATERIAL: GLASS ENCLOSURE
TERMINAL TYPE AND QUANTITY: 2 PIN
CURRENT RATING PER CHARACTERISTIC: 500.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
MOUNTING METHOD: TERMINAL
SPECIFICATION/STANDARD DATA: 80131-RELEASE2913 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
FEATURES PROVIDED: HERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 25.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALGLASS ENCLOSURE
TERMINAL TYPE AND QUANTITY2 PIN
MATERIALSILICON SEMICONDUCTOR
CURRENT RATING PER CHARACTERISTIC500.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
MOUNTING METHODTERMINAL
SPECIFICATION/STANDARD DATA80131-RELEASE2913 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC25.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
OVERALL LENGTH1.000 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
353-1410-000Interchangeable
interchangeable cross-reference
interchangeable
1N2818AInterchangeable
interchangeable cross-reference
interchangeable
1N2812BInterchangeable
interchangeable cross-reference
interchangeable
1N2810Interchangeable
interchangeable cross-reference
interchangeable
RELEASE 2913Interchangeable
interchangeable cross-reference
interchangeable
1N2817BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N2821B?
1N2821B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N2821B?
There are 9 known substitutes for 1N2821B: 353-1410-000, 1N2818A, 1N2812B and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N2821B?
1N2821B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-857-4916. This indicates validated use in U.S. government and defense supply chains.
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