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2N491 PDF Datasheet

The 2N491 is Diode ( Rectifier ), SilICon Unijunction Transistor. It also consolidates and displays results from multiple manufacturers with the same part number and similar functionality.




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Searched parts can be used interchangeably as substitutes for one another, But it's important to note that the parameters for each manufacturer may vary slightly.

Searched Lists

No Part number Description ( Function ) Manufacturers PDF
48 2N491
SILICON UNIJUNCTION TRANSISTORS

2N489(A,B)-2N494(A,B) High-reliability discrete products and engineering services since 1977 SILICON UNIJUNCTION TRANSISTORS FEATURES  Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.  Stable operation o

Digitron
Digitron
pdf
47 2N491
Diode ( Rectifier )

American Microsemiconductor
American Microsemiconductor
pdf
46 2N491
Silicon Unijunction Transistor

145 Adams Avenue, Hauppauge, NY 11788 USA Tel: (631) 435-1110 • Fax: (631) 435-1824

Central Semiconductor
Central Semiconductor
pdf
45 2N4910
(2N4910 - 2N4911) Silicon NPN Power Transistors

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors DESCRIPTION ·With TO-66 package ·Low collector saturation voltage ·Excellent safe operating area ·2N4912 complement to type 2N4900 APPLICATIONS ·Designed for driver circuits,switching and amplifier applications PINNING PIN 1 2 3 Base Emitter Collector DESCRIPTION 2N4910 2N4911

SavantIC
SavantIC
pdf
44 2N4910
Trans GP BJT NPN 40V 4A 3-Pin(2+Tab) TO-66

New Jersey Semiconductor
New Jersey Semiconductor
pdf
43 2N4910X
NPN EPITAXIAL POWER TRANSISTOR IN TO66 HERMETIC PACKAGE

2N4910X 2N4911X 2N4912X MECHANICAL DATA Dimensions in mm (inches) 3.68 (0.145) rad. max. 6.35 (0.250) 8.64 (0.340) 3.61 (0.142) 3.86 (0.145) rad. NPN EPITAXIAL POWER TRANSISTOR IN TO66 HERMETIC PACKAGE APPLICATIONS 24.33 (0.958) 24.43 (0.962) 14.48 (0.570) 14.99 (0.590) 4.83 (0.190) 5.33 (0.210) 9.14 (0.360) min. 1.27 (0.050) 1.91 (0.750) TO–66 Metal Package. PIN 1 =

Seme LAB
Seme LAB
pdf

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List of most widely used semiconductors

Part Number Function Manufacturers PDF
1N4007

The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V.

Vishay Semiconductor
Vishay
pdf
LM317

This is a popular adjustable voltage regulator.
( 1.2V to 37V)

On Semiconductor
ON Semiconductor
pdf

 6N137  |   LM393   |   2N3906    |   2N2222   |   TIP120   |

   1N5818   |   LM324N    |   A1015   |   SMAJ20CA  


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