2N1556A

View detailed technical data, stock status, and sourcing information for: 2N1556A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5961 Semiconductor Devices and Associated Hardware

National Stock Number

5961-00-978-4697

Item Name Code

20588

Assigment Date

10/12/1966 (59 years ago)

2 mounting facility quantity, unable to decode inclosure material, 0.875 inches maximum overall diameter, 0.250 inches minimum and 0.450 inches maximum overall length, junction contact internal configuration

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inclosure Material: unable to decode
Overall Length: 0.250 inches minimum and 0.450 inches maximum
Overall Diameter: 0.875 inches maximum
Mounting Facility Quantity: 2
Internal Configuration: junction contact
Mounting Method: unthreaded hole
Features Provided: hermetically sealed case
Semiconductor Material: germanium
Voltage Rating In Volts Per Characteristic: -100.0 maximum collector to base voltage/static/emitter open and -70.0 maximum collector to emitter voltage/static/base open and -50.0 maximum emitter to base voltage, static, collector open
Current Rating Per Characteristic: 5.00 amperes maximum base current, dc and -15.00 amperes maximum collector current, dc
Power Rating Per Characteristic: 90.0 watts maximum collector power dissipation
Maximum Operating Temp Per Measurement Point: 100.0 celsius junction
Special Features: case acts as third terminal; junction pattern arrangement: pnp
Test Data Document: "81349-mil-s-19500 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Terminal Type And Quantity: 2 uninsulated wire lead and 1 case
Specification/Standard Data: 81349-mil-s-19500/331 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5961-00-074-3041	No Name Available	06/01/1992
5961-00-083-1122	No Name Available	08/23/1968
5961-00-088-2646	No Name Available	07/01/1987
5961-00-226-6722	No Name Available	06/01/1992
5961-00-576-9936	No Name Available	10/01/1975
5961-00-959-7420	No Name Available	07/01/1992

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2N1556A	Transistor
JAN2N1556A	Transistor
MIL-S-19500/331	Transistor

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5961-00-978-4697?

The FSCG of the NSN 5961-00-978-4697 is 5961

Does the NSN 5961-00-978-4697 have a Schedule B code assigned?

Yes, the Schedule B code is 8541500080

Does NSN 5961-00-978-4697 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5961-00-978-4697 contain precious materials?

Item does not contain precious metal.

Does NSN 5961-00-978-4697 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5961-00-978-4697 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Oct 12, 1966