2N1991

Transistor

NSN 5961-00-958-6746

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

009586746

Product Features

Junction pattern arrangement: pnp

Product Technical Spec.

Inclosure Material:

Metal

Overall Length:

0.260 inches

Terminal Length:

1.500 inches

Overall Diameter:

0.370 inches

Internal Configuration:

Junction contact

Electrode Internally-electrically Connected To Case:

Collector

Mounting Method:

Terminal

Terminal Circle Diameter:

0.200 inches

Features Provided:

Hermetically sealed case

Semiconductor Material:

Silicon

Voltage Rating In Volts Per Characteristic:

30.0 breakdown voltage, collector-to-base, emitter open and 20.0 breakdown voltage, collector-to-emitter, base open and 5.0 breakdown voltage, emitter-to-base, collector open

Power Rating Per Characteristic:

600.0 milliwatts small-signal input power, common-collector

Maximum Operating Tempurature Per Measurement Point:

200.0 degrees celsius junction

Terminal Type And Quantity:

3 uninsulated wire lead

Specification Data:

80131-release3479 professional/industrial association specification

NSN:

5961-00-958-6746

Item Name:

Unijunction Transistor

Cage Code:

14433

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

2N1991

Cage Code:

81349

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RELEASE3479

Cage Code:

80131

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

5V1P1

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

80131

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

ND252483

Cage Code:

K1182

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

30043

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

34156

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

07263

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

03877

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

82577

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

014-268

Cage Code:

92739

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

04713

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

11058

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2N1991

Cage Code:

12045

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20588

FIIG:

A110A0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

063025

UFC:

34525

LTL:

RATING VARIABLE

LCL:

WCC:

658

TCC:

SHC:

ACC:

Instruments/Radio

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Pricing & Availability

Submit this form for current pricing and availability quote on part number 2n1991 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Unijunction Transistor"

An active semiconductor device with three or more electrodes. May or may not include mounting hardware and/or heatsink. Excludes semiconductor device, diode and semiconductor device, thyristor. For solid state devices which are responsive to visible or infrared radiant energy, see semiconductor device, photo.