PartsTable
Technical Data Sheet
Download PDF

SD1545 — TRANSISTOR

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

SD1545: TRANSISTOR.

The TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.657 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.265 INCHES MAXIMUM IN, overall_diameter: 0.285 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-250-8591, 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
SD1545
NSN: 5961-00-250-8591
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 57962 — STMICROELECTRONICS INC (USA)
SPECIFICATIONS
overall_length0.657 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.265 INCHES MAXIMUM IN
overall_diameter0.285 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_type_and_quantity4 FERRULE
power_rating_per_characteristic10.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic250.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 750.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
voltage_rating_in_volts_per_characteristic55.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 3.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
NSN5961-00-250-8591
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 SD1545 MFR OEM TRANSISTOR
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 55.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 3.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
OVERALL DIAMETER: 0.285 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 0.265 INCHES MAXIMUM IN
•
MOUNTING METHOD: TERMINAL
•
SEMICONDUCTOR MATERIAL: SILICON
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC55.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 3.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
OVERALL DIAMETER0.285 INCHES MAXIMUM IN
TERMINAL LENGTH0.265 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
SEMICONDUCTOR MATERIALSILICON
OVERALL LENGTH0.657 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
FEATURES PROVIDEDHERMETICALLY SEALED CASE
CURRENT RATING PER CHARACTERISTIC250.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 750.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
SUBSTITUTES & CROSS-REFERENCES 6
DMS 81016BReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
928141-1Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
PRT8526Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
2N5764Reference document
Same NSN cross-reference
Reference document — Secondary reference
600330-01Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RELEASE6059Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy SD1545?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SD1545?
SD1545 is a TRANSISTOR.
What parts can replace SD1545?
There are 6 known substitutes for SD1545: DMS 81016B, 928141-1, PRT8526 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SD1545?
SD1545 is cataloged in the U.S. Government catalog under NSN 5961-00-250-8591. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SD1545

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.