D20-28B — TRANSISTOR

✓ Government record, cited

— · SFP TRANSCEIVER

PRODUCT OVERVIEW

D20-28B: TRANSISTOR.

The TRANSISTOR is a the manufacturer industrial component. Key specifications include material: CERAMIC ENCLOSURE, overall_width: 0.300 INCHES MAXIMUM IN, overall_length: 0.280 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), special_features: JUNCTION PATTERN ARRANGEMENT: NPN, nominal_thread_size: 0.164 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5961-01-033-2330, 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

D20-28B

NSN: 5961-01-033-2330
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 50155 — VARIAN ASSOCIATES INC COMMUNICATIONS TRANSISTOR DIV (USA)

SPECIFICATIONS

material	CERAMIC ENCLOSURE
overall_width	0.300 INCHES MAXIMUM IN
overall_length	0.280 INCHES MAXIMUM IN
mounting_method	THREADED STUD(S)
special_features	JUNCTION PATTERN ARRANGEMENT: NPN
nominal_thread_size	0.164 INCHES IN
internal_configuration	JUNCTION CONTACT
semiconductor_material	SILICON
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
mounting_facility_quantity	1
terminal_type_and_quantity	4 FERRULE
power_rating_per_characteristic	40.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
NSN	5961-01-033-2330

COMPONENT DIAGRAM

KEY FEATURES

•

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 50.0 NOMINAL BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER

•

MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC

•

MOUNTING FACILITY QUANTITY: 1

•

MOUNTING METHOD: THREADED STUD(S)

•

SEMICONDUCTOR MATERIAL: SILICON

•

INTERNAL CONFIGURATION: JUNCTION CONTACT

TECHNICAL CHARACTERISTICS

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC	50.0 NOMINAL BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT	200.0 CELSIUS JUNCTION DEGC
MOUNTING FACILITY QUANTITY	1
MOUNTING METHOD	THREADED STUD(S)
SEMICONDUCTOR MATERIAL	SILICON
OVERALL LENGTH	0.280 INCHES MAXIMUM IN
INTERNAL CONFIGURATION	JUNCTION CONTACT
OVERALL WIDTH	0.300 INCHES MAXIMUM IN
NOMINAL THREAD SIZE	0.164 INCHES IN
CURRENT RATING PER CHARACTERISTIC	2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC

OTHER ITEMS IN FSC 5961 — Semiconductor Devices and Associated Hardware

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5961-00-000-0150 5961-00-000-4541 5961-00-000-5400 5961-00-000-7614 5961-00-000-8760 5961-00-001-1352 5961-00-001-2624 5961-00-001-2978

SUBSTITUTES & CROSS-REFERENCES 2

CD3707Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4038796-0001Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is D20-28B?

D20-28B is a TRANSISTOR.

What parts can replace D20-28B?

There are 2 known substitutes for D20-28B: CD3707, 4038796-0001. Substitute compatibility should be verified for your specific system.

What is the NSN for D20-28B?

D20-28B is cataloged in the U.S. Government catalog under NSN 5961-01-033-2330. This indicates validated use in U.S. government and defense supply chains.

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D20-28B — TRANSISTOR

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