PartsTable
Technical Data Sheet
SJE2521K ✓ 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 SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 9.66 MILLIMETERS MINIMUM AND 10.66 MILLIMETERS MAXIMUM MM, overall_height: 3.56 MILLIMETERS MINIMUM AND 4.82 MILLIMETERS MAXIMUM MM, overall_length: 14.23 MILLIMETERS MINIMUM AND 15.87 MILLIMETERS MAXIMUM MM, transfer_ratio: 60.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, mounting_method: TERMINAL AND UNTHREADED HOLE(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-331-4105, 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
SJE2521K
NSN: 5961-01-331-4105
FSC: 5961
CAGE: 04713 — FREESCALE SEMICONDUCTOR, INC. (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width9.66 MILLIMETERS MINIMUM AND 10.66 MILLIMETERS MAXIMUM MM
overall_height3.56 MILLIMETERS MINIMUM AND 4.82 MILLIMETERS MAXIMUM MM
overall_length14.23 MILLIMETERS MINIMUM AND 15.87 MILLIMETERS MAXIMUM MM
transfer_ratio60.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTERMINAL AND UNTHREADED HOLE(S)
terminal_length2.04 MILLIMETERS MINIMUM AND 2.92 MILLIMETERS MAXIMUM MM
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity1
terminal_type_and_quantity3 PIN
NSN5961-01-331-4105
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 SJE2521K MFR OEM SWITCH,CODE INDICATING WHEEL
KEY FEATURES
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-220
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL LENGTH: 2.04 MILLIMETERS MINIMUM AND 2.92 MILLIMETERS MAXIMUM MM
MOUNTING METHOD: TERMINAL AND UNTHREADED HOLE(S)
TRANSFER RATIO: 60.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
OVERALL LENGTH14.23 MILLIMETERS MINIMUM AND 15.87 MILLIMETERS MAXIMUM MM
OVERALL HEIGHT3.56 MILLIMETERS MINIMUM AND 4.82 MILLIMETERS MAXIMUM MM
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-220
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL LENGTH2.04 MILLIMETERS MINIMUM AND 2.92 MILLIMETERS MAXIMUM MM
MOUNTING METHODTERMINAL AND UNTHREADED HOLE(S)
TRANSFER RATIO60.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
OVERALL WIDTH9.66 MILLIMETERS MINIMUM AND 10.66 MILLIMETERS MAXIMUM MM
MOUNTING FACILITY QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
1209Interchangeable
interchangeable cross-reference
interchangeable
17-350GInterchangeable
interchangeable cross-reference
interchangeable
318Interchangeable
interchangeable cross-reference
interchangeable
105WInterchangeable
interchangeable cross-reference
interchangeable
299580-5Interchangeable
interchangeable cross-reference
interchangeable
378Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SJE2521K?
SJE2521K is a SWITCH,CODE INDICATING WHEEL.
What parts can replace SJE2521K?
There are 22 known substitutes for SJE2521K: 1209, 17-350G, 318 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SJE2521K?
SJE2521K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-331-4105. This indicates validated use in U.S. government and defense supply chains.
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