power

C2073 Datasheet – 150V, 1.5A, NPN Transistor, 2SC2073

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This is one of the NPN transistor types.

Part Number: 2SC2073

Function: NPN Power Transistor (1.5A / 150V / 25W)

Package: TO-220 Type

The manufacturers of this product is Mospec Semiconductor.

See the preview image and the PDF file for more information.

Image and Pinout
C2073 datasheet pinout

Description

The C2073 is a silicon NPN power transistor in a TO-220 package, rated for 150V collector-emitter voltage and 1.5A collector current, suitable for medium-power applications. It offers stable current gain, high voltage capability, and reliable thermal performance using advanced fabrication technology. This transistor is commonly used in general-purpose power amplifiers and vertical output stages in display and audio systems.

Features

  • High collector-emitter voltage VCEO = 150V
  • Collector current capability up to IC = 1.5A
  • DC current gain hFE = 40~140 @ IC = 500mA
  • Low saturation voltage for efficient operation
  • Good thermal stability and reliability
  • Complementary PNP transistor: 2SA940
  • TO-220 package for effective heat dissipation

C2073 Pinout

1. Base
2. Collector
3. Emitter
4. Collector ( Case )

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 150 V
2. Collector to Emitter Voltage: Vceo = 150 V
3. Emitter to Base Voltage: Vebo = 5.0 V
4. Collector Current: Ic = 1.5 A
5. Total Dissipation : Pc = 25 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C

C2073 maximum ratings

Typical Circuit Usage

  • Audio power amplifier output stages
  • Vertical deflection circuits in CRT displays
  • General-purpose switching applications
  • Linear regulator pass transistor stages
  • Driver stages in power electronics

How to Choose This Part

  • Select for medium-voltage, moderate-current applications
  • Suitable when TO-220 package thermal performance is required
  • Ideal for amplifier circuits needing stable gain characteristics
  • Consider complementary pairing with 2SA940 for push-pull designs
  • Evaluate power dissipation and cooling requirements

Applications

  • Power amplifiers
  • CRT vertical output circuits
  • Industrial control circuits
  • Audio systems
  • General-purpose power switching

Alternative / Equivalent Products

  • 2SC4793
  • TIP41C
  • BD243C
  • MJE13007

C2073 Datasheet

C2073 transistor pdf

DM0565R PDF – Green Mode Power Switch ( FSDM0565R )

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This is an integrated Green Mode Power Switch that combines a fixed-frequency current-mode PWM controller and a high-voltage avalanche-rugged SenseFET into a single package.

Part Number: DM0565R, DMO565R

unction: Green Mode Fairchild Power Switch

Package: TO-220F-6L Type

Manufacturer: Fairchild Semiconductor

Images:

DM0565R datasheet

Description

The DM0565R is an integrated Pulse Width Modulator (PWM) and Sense FET specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components. This device is an integrated high voltage power switching regulator which combine an avalanche rugged Sense FET with a current mode PWM control block. The PWM controller includes integrated fixed frequency oscillator, under voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft start, temperature compensated precise current sources for a loop compensation and self protection circuitry.

DM0565R switch

A “Green Mode Power Switch” is a type of power switch that incorporates energy-saving features and is designed to achieve high levels of energy efficiency. These switches are commonly used in power supply applications to help reduce power consumption and meet energy efficiency standards.

Green Mode Operation

  • Automatic Burst Mode under light-load conditions
  • Reduces switching losses during standby
  • Standby power consumption below 1 W
  • Designed to satisfy energy-efficiency regulations for offline power supplies
  • Improves overall SMPS efficiency without additional external circuitry

Features

  • Integrated high-voltage SenseFET and PWM controller
  • Green Mode operation for low standby power consumption
  • Built-in avalanche rugged SenseFET
  • Fixed operating frequency: 66 kHz
  • Current-mode PWM control
  • Internal startup circuit
  • Built-in soft-start function
  • Pulse-by-pulse current limiting
  • Abnormal Over Current Protection (AOCP)
  • Over Voltage Protection (OVP)
  • Over Load Protection (OLP)
  • Under Voltage Lockout (UVLO) with hysteresis
  • Thermal Shutdown Protection (TSD)
  • Auto-restart mode after fault conditions
  • Optimized gate driver
  • Leading Edge Blanking (LEB)
  • Internal compensation current sources
  • Low operating current

Pinout

DM0565R pinout

Integrated Functional Blocks

  • High-voltage avalanche rugged SenseFET
  • 66 kHz oscillator
  • Current-mode PWM controller
  • Gate driver
  • Internal startup circuit
  • Soft-start circuit
  • Leading Edge Blanking (LEB)
  • Pulse current limiter
  • Loop compensation current source
  • Burst Mode controller
  • Protection logic

Typical Applications

  • LCD monitor power supplies
  • Set-top box (STB) power supplies
  • AC-DC adapters
  • Battery chargers
  • Offline flyback converters
  • Consumer electronics power supplies
  • Industrial auxiliary power supplies
  • Standby power converters

Alternative / Equivalent Products

  • FSDM0565R
  • FSDM0465R
  • KA5M0565R
  • ICE2A0565
  • TNY277 Series
  • NCP1207 with external MOSFET

Other data sheets are available within the file: FSDM0565R, FSDM07652R

DM0565R PDF Datasheet