2N494C: 450mW Unijuction Transistor

Overview

Product Description

This Unijuction Transistor is packaged in TO-5 package, which has a power rating of 450mW.

Available as High Reliability device per MIL-PRF-19500 indicate –HR suffix after the part number. Contact for -HR flow. Add "PBF" suffix for Pb-free lead finish.

Applications:

Unijunction Transistors are used in thyristor-triggering, oscillator, pulse and timing circuits.

Technical Documentation

Availability:

Part Number Descriptive Datasheet HR Flow
Power Rating
PD
mW
Package
Inventory
Distributor On-
hand
Pricing Last
Update
2N494
Unijuction Transistor download download 450 TO-5 Digitron 3655 RFQ 12/27/2017 3:46:16 PM
2N494A
Unijuction Transistor download download 450 TO-5 Digitron 500 RFQ 12/27/2017 3:46:20 PM
2N494B
Unijuction Transistor download download 450 TO-5 Digitron 966 RFQ 12/27/2017 3:46:21 PM
2N494C
Unijuction Transistor download download 450 TO-5 Digitron 6299 RFQ 12/27/2017 3:46:22 PM
2N4948
Unijuction Transistor download download 360 TO-18 Digitron 3732 RFQ 12/27/2017 3:46:18 PM
2N4949
Unijuction Transistor download download 360 TO-18 Digitron 46 RFQ 12/27/2017 3:46:19 PM
2N494-HR
Unijuction Transistor download download 450 TO-5 Digitron 0 RFQ 12/27/2017 12:29:30 PM
2N494A-HR
Unijuction Transistor download download 450 TO-5 Digitron 0 RFQ 12/27/2017 12:29:25 PM
2N494B-HR
Unijuction Transistor download download 450 TO-5 Digitron 0 RFQ 12/27/2017 12:29:27 PM
2N494C-HR
Unijuction Transistor download download 450 TO-5 Digitron 0 RFQ 12/27/2017 12:29:29 PM
Specifications
Part
Number
Descriptive Datasheet HR Flow
Power Rating
PD
mW
Intrinsic Standoff Ratio Max
η
 
Intrinsic Standoff Ratio Min
η
 
Interbase Resistance Min
rBB
KOHMS
Interbase Resistance Max
rBB
KOHMS
Min Valley Point Current
IV
mA
Package
2N494
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N494A
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N494B
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N494C
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N4948
Unijuction Transistor download download 360 0.82 0.55 4 12 2 TO-18
2N4949
Unijuction Transistor download download 360 0.86 0.74 4 12 2 TO-18
2N494-HR
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N494A-HR
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N494B-HR
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5
2N494C-HR
Unijuction Transistor download download 450 0.75 0.62 6.2 9.1 8 TO-5