ST25028 — TRANSISTOR

✓ Government record, cited

— · SFP TRANSCEIVER

PRODUCT OVERVIEW

ST25028: TRANSISTOR.

The TRANSISTOR is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY OVERALL, overall_length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-405-8391, 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

ST25028

NSN: 5961-00-405-8391
NIINs: 004058391, 015879048
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 03877 — GILBERT ENGINEERING CO INC/INCON SUB OF TRANSITRON ELECTRONIC CORP (USA)

SPECIFICATIONS

material	COBALT ALLOY OVERALL
overall_length	0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
mounting_method	TERMINAL
terminal_length	0.500 INCHES MINIMUM IN
overall_diameter	0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
special_features	JUNCTION PATTERN ARRANGEMENT: PNP
features_provided	HERMETICALLY SEALED CASE
nominal_thread_size	0.250 INCHES IN
internal_configuration	JUNCTION CONTACT
semiconductor_material	SILICON
terminal_circle_diameter	0.100 INCHES NOMINAL IN
thread_quantity_per_inch	28
NSN	5961-00-405-8391

COMPONENT DIAGRAM

KEY FEATURES

•

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN

•

MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC

•

OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN

•

TERMINAL LENGTH: 0.500 INCHES MINIMUM IN

•

MOUNTING METHOD: TERMINAL

•

SEMICONDUCTOR MATERIAL: SILICON

•

INTERNAL CONFIGURATION: JUNCTION CONTACT

TECHNICAL CHARACTERISTICS

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC	25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT	200.0 CELSIUS JUNCTION DEGC
OVERALL DIAMETER	0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
TERMINAL LENGTH	0.500 INCHES MINIMUM IN
MOUNTING METHOD	TERMINAL
SEMICONDUCTOR MATERIAL	SILICON
OVERALL LENGTH	0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
INTERNAL CONFIGURATION	JUNCTION CONTACT
FEATURES PROVIDED	HERMETICALLY SEALED CASE
CURRENT RATING PER CHARACTERISTIC	100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC

SUBSTITUTES & CROSS-REFERENCES 3

2004322-0701Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SS1630Reference document

Same NSN cross-reference

Reference document — Secondary reference

SG4065Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST25028?

ST25028 is a TRANSISTOR.

What parts can replace ST25028?

There are 3 known substitutes for ST25028: 2004322-0701, SS1630, SG4065. Substitute compatibility should be verified for your specific system.

What is the NSN for ST25028?

ST25028 is cataloged in the U.S. Government catalog under NSN 5961-00-405-8391. This indicates validated use in U.S. government and defense supply chains.

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