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Technical Data Sheet
PartsTable / COMPONENT / ZL4021/04
ZL4021/04 ✓ 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 ZL4021/04 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-034-6542, 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
ZL4021/04
NSN: 5961-01-034-6542
FSC: 5961
CAGE: S3514 — SAAB AB (PUBL) - BUSINESS AREA SURVEILLANCE - EW SYSTEMS (SWE)
SPECIFICATIONS
Part NumberZL4021/04
NSN5961-01-034-6542
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 ZL4021/04 MFR OEM ZL4021/04
KEY FEATURES
•
MOUNTING METHOD: TERMINAL
•
OVERALL DIAMETER: 0.075 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 1.500 INCHES MAXIMUM IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 100.0 MAXIMUM BREAKDOWN VOLTAGE, DC AND 75.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
•
MATERIAL: SILICON SEMICONDUCTOR
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.180 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
OVERALL DIAMETER0.075 INCHES MAXIMUM IN
TERMINAL LENGTH1.500 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC100.0 MAXIMUM BREAKDOWN VOLTAGE, DC AND 75.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
MATERIALSILICON SEMICONDUCTOR
MATERIALGLASS ENCLOSURE
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
1081H08H26Interchangeable
interchangeable cross-reference
interchangeable
1081H15H17Interchangeable
interchangeable cross-reference
interchangeable
1N4148-1Interchangeable
interchangeable cross-reference
interchangeable
5961PL1798246Interchangeable
interchangeable cross-reference
interchangeable
1N914ABInterchangeable
interchangeable cross-reference
interchangeable
JANTX1N914AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ZL4021/04?
ZL4021/04 is a ZL4021/04.
What parts can replace ZL4021/04?
There are 28 known substitutes for ZL4021/04: 1081H08H26, 1081H15H17, 1N4148-1 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ZL4021/04?
ZL4021/04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-034-6542. 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