SQ478H — SEMICONDUCTOR DEVICES,UNITIZED

✓ Government record, cited

— · SFP TRANSCEIVER

PRODUCT OVERVIEW

SQ478H: SEMICONDUCTOR DEVICES,UNITIZED.

The SEMICONDUCTOR DEVICES,UNITIZED is a the manufacturer industrial component. Key specifications include overall_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, overall_height: 0.350 INCHES NOMINAL IN, overall_length: 0.785 INCHES NOMINAL IN, mounting_method: PRESS FIT, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-425-4063, 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

SQ478H

NSN: 5961-00-425-4063
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 04713 — FREESCALE SEMICONDUCTOR, INC. (USA)

SPECIFICATIONS

overall_width	0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
overall_height	0.350 INCHES NOMINAL IN
overall_length	0.785 INCHES NOMINAL IN
mounting_method	PRESS FIT
special_features	JUNCTION PATTERN ARRANGEMENT: NPN
features_provided	HERMETICALLY SEALED CASE
semiconductor_material	SILICON ALL TRANSISTOR
terminal_type_and_quantity	14 RIBBON
component_name_and_quantity	4 TRANSISTOR
power_rating_per_characteristic	2.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
maximum_operating_temp_per_measurement_point	200.0 CELSIUS JUNCTION DEGC
NSN	5961-00-425-4063

COMPONENT DIAGRAM

KEY FEATURES

•

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC ALL TRANSISTOR

•

MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC

•

MOUNTING METHOD: PRESS FIT

•

SEMICONDUCTOR MATERIAL: SILICON ALL TRANSISTOR

•

COMPONENT NAME AND QUANTITY: 4 TRANSISTOR

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.350 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC	40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC ALL TRANSISTOR
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT	200.0 CELSIUS JUNCTION DEGC
MOUNTING METHOD	PRESS FIT
SEMICONDUCTOR MATERIAL	SILICON ALL TRANSISTOR
OVERALL LENGTH	0.785 INCHES NOMINAL IN
COMPONENT NAME AND QUANTITY	4 TRANSISTOR
OVERALL WIDTH	0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
FEATURES PROVIDED	HERMETICALLY SEALED CASE
SPECIAL FEATURES	JUNCTION PATTERN ARRANGEMENT: NPN

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

SA1982Reference document

Same NSN cross-reference

Reference document — Secondary reference

649A808H01Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is SQ478H?

SQ478H is a SEMICONDUCTOR DEVICES,UNITIZED.

What parts can replace SQ478H?

There are 2 known substitutes for SQ478H: SA1982, 649A808H01. Substitute compatibility should be verified for your specific system.

What is the NSN for SQ478H?

SQ478H is cataloged in the U.S. Government catalog under NSN 5961-00-425-4063. This indicates validated use in U.S. government and defense supply chains.

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SQ478H — SEMICONDUCTOR DEVICES,UNITIZED

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