PartsTable
Technical Data Sheet
125B403-1 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_width: 1.010 INCHES MAXIMUM IN, overall_height: 0.310 INCHES MAXIMUM IN, overall_length: 1.540 INCHES MAXIMUM IN, transfer_ratio: 50.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, mounting_method: UNTHREADED HOLE(S), special_features: JUNCTION PATTERN ARRANGEMENT: PNP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-907-0593, 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
125B403-1
NSN: 5961-00-907-0593
FSC: 5961
CAGE: 16758 — GENERAL MOTORS CORP DELCO ELECTRONICS DIV (USA)
SPECIFICATIONS
overall_width1.010 INCHES MAXIMUM IN
overall_height0.310 INCHES MAXIMUM IN
overall_length1.540 INCHES MAXIMUM IN
transfer_ratio50.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodUNTHREADED HOLE(S)
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity2 PIN AND 1 CASE
power_rating_per_characteristic90.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-00-907-0593
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 125B403-1 MFR OEM TRANSISTOR
KEY FEATURES
MOUNTING METHOD: UNTHREADED HOLE(S)
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: T0-3
SEMICONDUCTOR MATERIAL: SILICON
TERMINAL TYPE AND QUANTITY: 2 PIN AND 1 CASE
CURRENT RATING PER CHARACTERISTIC: 20.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 70.0 CELSIUS AMBIENT AIR DEGC
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODUNTHREADED HOLE(S)
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONT0-3
SEMICONDUCTOR MATERIALSILICON
TERMINAL TYPE AND QUANTITY2 PIN AND 1 CASE
OVERALL WIDTH1.010 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC20.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT70.0 CELSIUS AMBIENT AIR DEGC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
MOUNTING FACILITY QUANTITY2
OVERALL HEIGHT0.310 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
9-125-0403Interchangeable
interchangeable cross-reference
interchangeable
472-023Interchangeable
interchangeable cross-reference
interchangeable
125-403Interchangeable
interchangeable cross-reference
interchangeable
B2481 PIECE 61Interchangeable
interchangeable cross-reference
interchangeable
K125-403Interchangeable
interchangeable cross-reference
interchangeable
217651Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125B403-1?
125B403-1 is a TRANSISTOR.
What parts can replace 125B403-1?
There are 9 known substitutes for 125B403-1: 9-125-0403, 472-023, 125-403 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 125B403-1?
125B403-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-907-0593. This indicates validated use in U.S. government and defense supply chains.
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