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STRW6556A Datasheet PDF – Regulator, Power Controller

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Part Number: STRW6556A

Function: Regulator, Power Supply, Power Controller

Package: TO-220 Type

Manufacturer: Sanken

Image

STRW6556A datasheet pinout

Description

This is regualtor, Power Management Chip. The STRW6556A is a power regulator and PWM switching controller IC with an integrated MOSFET, packaged in a TO-220 form factor for off-line power supply applications. It provides high efficiency, low standby power consumption, and built-in protection features for reliable operation in switching regulators. This device is commonly used in SMPS designs for TVs, adapters, and general-purpose AC-DC power supplies.

Features

  • Integrated high-voltage power MOSFET
  • Low standby power consumption
  • Quasi-resonant switching for improved efficiency
  • Built-in overcurrent protection (OCP)
  • Overvoltage protection (OVP)
  • Thermal shutdown protection
  • Reduced EMI noise operation
  • TO-220 package for effective heat dissipation

STRW6556A absolute maximum ratings

(1) Control Supply Voltage, VCC: 35 V
(2) Drain-Source Voltage, VDSS: 650 V
(3) Drain Switching Current, ID: 15 A
(4) Peak Drain Switching Current,IDM: 15 A
(5) Single-Pulse Avalanche Energy, EAS: 400 mJ
(6) OCP/BD Voltage Range, VOCP: 1.5 V to +5 V
(7) FB Input Current, IFB: 10 mA
(8) FB Voltage Range, VFP: 0.5 V to +9 V
(9) Package Power Dissipation, PD: 0.8 W
(10 )MOSFET Channel Temp., TJ : +150 °C
(11) Internal Frame Temp., TF: +115 °C
(12) Operating Temperature Range,TA: -20°C to +115 °C
(13) Storage Temperature Range, TS: -40°C to +125 °C

 

Pinout and Block Diagram

STRW6556A block diagram

Typical Circuit Usage

  • Flyback converter in AC-DC power supplies
  • Standby power supplies with low no-load consumption
  • SMPS for televisions and monitors
  • Adapter and charger circuits
  • Auxiliary power supplies in industrial systems

How to Choose This Part

  • Choose for integrated PWM + MOSFET solutions to reduce component count
  • Suitable for medium power SMPS applications
  • Ideal for designs requiring low standby power compliance
  • Consider thermal design and enclosure constraints
  • Verify compatibility with required output power and topology

Applications

  • AC-DC switching power supplies
  • TV and monitor power circuits
  • Power adapters
  • Battery chargers
  • Industrial SMPS systems

Alternative / Equivalent Products

  • STR-W6554A
  • STR-W6553A
  • STR-W6555A
  • ICE3BR1765J
  • FSDM0565RB

STRW6556A Datasheet

STRW6556A pdf

COLOR TV BASIC SCHEMATIC DIAGRAM : Power Controller.pdf


Other data sheets are available within the file: STR-W6556A-F5, STR-W6556A, STRW6556

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