transistor

2SK2978 PDF – 20V, N-Ch, MOSFET – Renesas

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Part number : 2SK2978

Functions : 20V, Silicon N Channel MOSFET

Package: UPAK Type

Manufacturer: Renesas Electronics, Hitachi

Image and Pinout :

2SK2978 datasheet

Description

The 2SK2978 transistor is a high-speed N-channel MOSFET manufactured by Renesas (formerly Hitachi), designed for efficient power switching applications. Its compact UPAK package and low on-resistance make it suitable for various electronic circuits requiring reliable switching performance.

 

 

Functions

1.  Low on-resistance: RDS(on)= 0.09Ω typ. (Vgs = 4 V, ID= 1.5 A)

2.  Low drive current

3.  High speed switching

4.  2.5V gate drive devices.

 

Absolute Maximum Ratings (Ta = 25°C)

1. Drain to source voltage : VDSS = 20 V

2. Gate to source voltage : VGSS = ± 10 V

3. Drain current : ID = 2.5 A

4. Channel dissipation : Pch = 1 W

5. Channel temperature : Tch = 150 °C

6. Storage temperature : Tstg = -55 to +150 °C

 

Applications

1. High Speed Power Switching

 

2SK2978 Datasheet PDF Download

2SK2978 pdf

K2978 PDF Download

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TIP120 PDF – NPN Darlington Transistor – Fairchild

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Part number: TIP120

Functions:  60V, 5A, NPN Epitaxial Darlington Transistor

Package: TO-220 Type

Manufacturer: Fairchild Semiconductor

Pinout

TIP120 pinout

Features

  • NPN Darlington power transistor (two NPNs connected in Darlington configuration)
  • Very high DC current gain — ideal for directly driving relays, motors, and lamps from logic-level signals
  • Integrated base-emitter resistors for easier drive and stability
  • TO-220 package for effective thermal dissipation
  • Complementary PNP device available (TIP125)

 

Absolute Maximum Ratings (Ta = 25°C)

Parameter Symbol Value Unit
Collector–base voltage VCBO 60 V
Collector–emitter voltage VCEO 60 V
Emitter–base voltage VEBO 5 V
Collector current (continuous) IC 5 A
Base current IB 120 mA
Total power dissipation (Tc = 25°C) PTOT 65 W
Junction temperature Tj 150 °C
Storage temperature Tstg −65 ~ +150 °C

 

Applications

  • High-current switching of relays, solenoids, and lamps
  • DC motor and actuator control
  • Medium-power amplifier stages
  • Driving loads directly from low-voltage logic or microcontroller outputs

 

Ordering Informations

TIP120 Datasheet PDF

TIP120 Datasheet PDF

TIP120 pdf

Alternative & Equivalent Products

  • TIP121 – Similar Darlington transistor with higher voltage rating (80 V).
  • TIP122 – 100 V version of the TIP120, higher voltage tolerance.
  • BD677/BD679 – Comparable NPN Darlingtons in different packages.
  • TIP125 – Complementary PNP Darlington for push-pull or H-bridge designs.

Onsemi.com :
TIP120 pdf

 

Other data sheets within the file : TIP121, TIP122

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