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 4219 BK4/4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-419-7509, 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
4219 BK4/4
NSN:5961-00-419-7509 FSC:5961 CAGE:K1066 — LEONARDO UK LTD (GBR)
SPECIFICATIONS
Part Number
4219 BK4/4
NSN
5961-00-419-7509
COMPONENT DIAGRAM
KEY FEATURES
•
OVERALL DIAMETER: 0.110 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
CURRENT RATING PER CHARACTERISTIC: 80.00 AMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS JUNCTION DEGC
•
TERMINAL LENGTH: 0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 50.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
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FREQUENTLY ASKED QUESTIONS
What is 4219 BK4/4?
4219 BK4/4 is a 4219 BK4/4.
What parts can replace 4219 BK4/4?
There are 34 known substitutes for 4219 BK4/4: 31-1N5415, 6L9697, MIL-PRF-19500/411 and 31 more. Substitute compatibility should be verified for your specific system.
Is 4219 BK4/4 still available?
4219 BK4/4 is currently cancelled.
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