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ONSEMI D45H8G Power Transistor

Complementary silicon power transistors designed for general purpose power amplification and switching applications such as regulators, converters, and power amplifiers. These plastic, RoHS-compliant transistors feature low collector-emitter saturation voltage, fast switching speeds, and simplified design with complementary pairs. Available in TO-220 packages, they support collector-emitter voltages up to 80V, collector currents of 10A continuous and 20A peak, with maximum power dissipation of 70W at 25°C. Suitable for high-performance switching and amplification in industrial and electronic circuits.

Authorized Distributors
Source:Newark
Part No:D45H8G
Stock:2405
Inv Date:06-10-2026
Price: Unit price: $1.42
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Source:DigiKey
Part No:D45H8G
Stock:67212
Inv Date:06-10-2026
Price: Unit price: $2.07
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Part No:D45H8G
Stock:977
Inv Date:06-11-2026
Price: Unit price: $1.63
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Part No:D45H8G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.16
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Part No:D45H8G
Stock:2400
Inv Date:06-10-2026
Price: Unit price: $0.5422
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Part No:D45H8G
Stock:2400
Inv Date:06-10-2026
Price: Unit price: $0.5422
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Part No:D45H8G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.47
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Source:Arrow EU
Part No:D45H8G
Stock:630
Inv Date:06-11-2026
Price: N/A
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Part No:D45H8G
Stock:1370
Inv Date:06-11-2026
Price: N/A
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ONSEMI D45H8G Power Transistor Specifications:

  • Collector-Emitter Voltage: D44H series 60V, D45H series 80V
  • Emitter-Base Voltage: 5.0V
  • Collector Current - Continuous: 10A
  • Collector Current - Peak: 20A
  • Total Power Dissipation: 70W @ 25°C
  • Thermal Resistance, Junction-to-Case: 1.8°C/W
  • Thermal Resistance, Junction-to-Ambient: 62.5°C/W
  • Maximum Lead Temperature for Soldering: 275°C for 5 seconds
  • Operating and Storage Junction Temperature Range: -55°C to +150°C
  • Case Type: TO-220
  • RoHS compliant and Pb-Free
  • Switching Times: Rise Time 300 ns (D44H Series), 135 ns (D45H Series)
  • Saturation Voltage: VCE(sat) 1.0 V at 8A, 0.4 A
  • DC Gain: 40 to 60
  • Collector Capacitance: 90 pF (D44H), 160 pF (D45H)
  • Gain Bandwidth Product: 50 MHz (D44H), 40 MHz (D45H)

Buy the ON Semiconductor Series D44H: Complementary Silicon Power Transistor: D45H8G

Discover the reliable performance of the ON Semiconductor Series D45H8G power transistor, featuring up to 80V and 10A capacity. Ideal for switching, regulation, and amplification tasks in industrial electronics, these TO-220 package transistors are RoHS compliant and environmentally friendly. With low saturation voltage, fast switching speeds, and high power dissipation, they ensure efficiency and durability in demanding applications. Purchase online today to enhance your circuit designs with dependable semiconductor components for long-lasting performance and optimal system operation.

Order your ON Semiconductor Series D45H8G high-performance power transistor today and ensure reliable switching in your industrial and electronic projects.

Frequently Asked Questions

Where can I buy ONSEMI D45H8G?

You can click on the BUY or RFQ button to purchase D45H8G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part D45H8G?

You can download the D45H8G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of D45H8G?

ONSEMI

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