2N1638 — TRANSISTOR

✓ Government record, cited

— · SFP TRANSCEIVER

PRODUCT OVERVIEW

2N1638: TRANSISTOR.

The TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.410 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.240 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACT. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-702-7067, 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

2N1638

NSN: 5961-00-702-7067
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION

SPECIFICATIONS

overall_length	0.410 INCHES MAXIMUM IN
mounting_method	TERMINAL
terminal_length	1.500 INCHES MINIMUM IN
overall_diameter	0.240 INCHES MAXIMUM IN
features_provided	HERMETICALLY SEALED CASE
internal_configuration	JUNCTION CONTACT
semiconductor_material	GERMANIUM
terminal_circle_diameter	0.081 INCHES MAXIMUM IN
terminal_type_and_quantity	3 UNINSULATED WIRE LEAD
internal_junction_configuration	PNP
power_rating_per_characteristic	80.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic	10.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 7.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
NSN	5961-00-702-7067

COMPONENT DIAGRAM

KEY FEATURES

•

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 34.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 1.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN

•

OVERALL DIAMETER: 0.240 INCHES MAXIMUM IN

•

TERMINAL LENGTH: 1.500 INCHES MINIMUM IN

•

MOUNTING METHOD: TERMINAL

•

INTERNAL JUNCTION CONFIGURATION: PNP

•

SEMICONDUCTOR MATERIAL: GERMANIUM

•

INTERNAL CONFIGURATION: JUNCTION CONTACT

TECHNICAL CHARACTERISTICS

VOLTAGE RATING IN VOLTS PER CHARACTERISTIC	34.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 1.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
OVERALL DIAMETER	0.240 INCHES MAXIMUM IN
TERMINAL LENGTH	1.500 INCHES MINIMUM IN
MOUNTING METHOD	TERMINAL
INTERNAL JUNCTION CONFIGURATION	PNP
SEMICONDUCTOR MATERIAL	GERMANIUM
OVERALL LENGTH	0.410 INCHES MAXIMUM IN
INTERNAL CONFIGURATION	JUNCTION CONTACT
FEATURES PROVIDED	HERMETICALLY SEALED CASE
CURRENT RATING PER CHARACTERISTIC	10.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 7.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN

SUBSTITUTES & CROSS-REFERENCES 1

RELEASE4224Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2N1638?

2N1638 is a TRANSISTOR.

What parts can replace 2N1638?

There is 1 known substitute for 2N1638: RELEASE4224. Substitute compatibility should be verified for your specific system.

What is the NSN for 2N1638?

2N1638 is cataloged in the U.S. Government catalog under NSN 5961-00-702-7067. This indicates validated use in U.S. government and defense supply chains.

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2N1638 — TRANSISTOR

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