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Q19019-1021 — Network Technical Data

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— · 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: 2 UNINSULATED WIRE LEAD, nondefinitive_spec/std_data: 1N935A TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5961-00-865-9229, 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
Q19019-1021
NSN: 5961-00-865-9229
FSC: 5961
CAGE: U6441 — ATLANTIC INERTIAL SYSTEMS LIMITED (GBR)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
nondefinitive_spec/std_data1N935A TYPE
NSN5961-00-865-9229
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 Q19019-1021 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 1N935A TYPE
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
MATERIAL: SILICON SEMICONDUCTOR
TECHNICAL CHARACTERISTICS
NONDEFINITIVE SPEC/STD DATA1N935A TYPE
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
MATERIALSILICON SEMICONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1952448-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1N935AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
442978InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
JAN1N935BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1N935InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1M935AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q19019-1021?
Q19019-1021 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace Q19019-1021?
There are 6 known substitutes for Q19019-1021: 1952448-2, 1N935A, 442978 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Q19019-1021?
Q19019-1021 is cataloged in the Federal Logistics Information System under NSN 5961-00-865-9229. 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: October 2026