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2 Pair TTB817 (B817 KSB817) + TTD1047 (D1047 KSD1047) NPN PNP Silicon Power Transistor TO-3PN 120V 10A 100W hFE:80-160
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2 Pair TTB817 (B817 KSB817) + TTD1047 (D1047 KSD1047) NPN PNP Silicon Power Transistor TO-3PN 120V 10A 100W hFE:80-160
Get powerful performance with our 2 Pair Silicon Power Transistors, perfect for your electronic projects.
2 Pair TTB817 (B817 KSB817) + TTD1047 (D1047 KSD1047) NPN PNP Silicon Power Transistor TO-3PN 120V 10A 100W hFE:80-160
Item #: 91511706

2 Pair TTB817 (B817 KSB817) + TTD1047 (D1047 KSD1047) NPN PNP Silicon Power Transistor TO-3PN 120V 10A 100W hFE:80-160

86% of respondents would recommend this to a friend

Item #: 91511706

TMT 76

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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Voltage Rating
The TTB817 and TTD1047 transistors feature a 120V voltage rating, making them ideal for high-power applications that require reliable performance under demanding conditions.
Power Handling Capacity
With a power rating of 100W and a current of 10A, these transistors efficiently manage high power loads, ensuring durability and extended component life in various electronic circuits.
Enhanced Gain
Offering a current gain (hFE) range of 80-160, these transistors provide superior amplification capabilities, enhancing circuit performance while minimizing energy loss in signal processing.

Product Details

Shop 2 Pair TTB817 (B817 KSB817) + TTD1047 (D1047 KSD1047) NPN PNP Silicon Power Transistor TO-3PN 120V 10A 100W hFE:80-160 online at a best price in Turkmenistan. B0DC66YYQ9

Who Should Buy?

Suitable For
  • Hobbyist Engineers

    Perfect for hobbyists experimenting with transistor circuits and needing reliable components for low-power applications.

  • Circuit Designers

    Suitable for designers creating amplifiers or switching circuits requiring high voltage and current capabilities.

  • Repair Technicians

    Ideal for technicians repairing or refurbishing old electronics that utilize standard silicon power transistors.

Not Suitable For
  • High-Frequency Applications

    Not suitable for RF or high-frequency circuits where speed and frequency response are critical.

Product Description

2 Pair TTB817 (B817 KSB817) + TTD1047 (D1047 KSD1047) NPN PNP Silicon Power Transistor TO-3PN 120V 10A 100W hFE:80-160

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key specifications of the TTB817 and B817 transistors?

    Answer: The TTB817 and B817 transistors are NPN types characterized by their capability to handle a voltage of up to 120V and a current of 10A, delivering power up to 100W. They feature a current gain (hFE) range of 80-160, making them suitable for a variety of switching and amplification tasks in electronic applications. Their robust specifications make them ideal for use in power supply circuits, audio amplifiers, and industrial equipment.
  • Question: How does the use of NPN and PNP transistors affect circuit design?

    Answer: In circuit design, NPN transistors like TTB817 are typically used for switching and amplifying applications due to their ability to sink current. Conversely, PNP transistors like KSB817 can source current, which is crucial for different configurations in circuits. Understanding the usage of both types is essential for designing efficient circuits where signal processing and power management are required, ensuring that components function optimally in their designated roles.
  • Question: Can the TTD1047 and D1047 transistors be used interchangeably?

    Answer: The TTD1047 and D1047 transistors, while similar in function, may have different specifications regarding current gain and power handling. It’s essential to review their individual datasheets before substituting one for the other in your circuit, as differences in thermal characteristics or maximum ratings could impact performance. This consideration is critical in ensuring circuit reliability and achieving the desired electrical characteristics in your applications.
  • Question: What applications are ideal for using the KSD1047 transistor?

    Answer: The KSD1047 transistor is ideal for various applications such as audio amplifiers, switching power supplies, or motor control circuits due to its robust current handling capabilities. Its performance characteristics make it suitable for high-power applications where reliable switching is crucial. Users often utilize the KSD1047 in DIY electronics projects or in commercial products needing efficient signal processing and power management.
  • Question: What is the significance of the hFE range in transistors?

    Answer: The hFE range, or DC current gain, is crucial as it indicates the transistor's amplification capacity. A range of 80-160 implies that the transistors can amplify the input current substantially, making them effective for applications requiring signal amplification and switching. Understanding this parameter helps engineers select the right transistor for specific circuit conditions, ensuring optimal performance without distortion or signal loss.
  • Question: What are some safety precautions to keep in mind when using these silicon power transistors?

    Answer: Safety precautions when using silicon power transistors include ensuring they operate within specified voltage and current limits to prevent overheating. Adequate heat dissipation must be provided, such as using heat sinks, to enhance reliability. Furthermore, circuit protection measures, like fuses or circuit breakers, should be considered to safeguard against potential overcurrent problems. These precautions help maintain performance and longevity of the transistors and overall circuit.
  • Question: Are these transistors suitable for use in automotive applications?

    Answer: Yes, the TTB817, B817, and other listed transistors can be used in automotive applications where robust performance under varying conditions is necessary. Their high voltage and current ratings make them ideal for automotive electronic systems, including power management for motors and sensors. Proper design considerations need to be accounted for in terms of environmental factors such as temperature fluctuations and vibration.
  • Question: What is the difference between TO-3PN and other transistor packages?

    Answer: The TO-3PN package is a type of transistor housing that provides excellent thermal performance due to its larger surface area, allowing for efficient heat dissipation. Unlike smaller packages, such as SMD types, TO-3PN can handle high power while keeping temperatures stable. This makes it suitable for high-power applications such as industrial electronics or audio amplifiers where thermal management is key to operational reliability.
  • Question: How can I handle and install these power transistors safely?

    Answer: Handling and installing power transistors like the TTB817 and KSD1047 should be done with care to avoid static discharge or mechanical damage. Always use anti-static equipment, and handle by the edges, avoiding contact with the pins. During installation, ensure proper orientation and secure mounting to avoid short circuits while providing adequate heat dissipation. This helps maintain integrity and performance of the transistors in your setup.
  • Question: Where can I buy 2 Pair TTB817 B817 KSB817 TTD1047 D1047 KSD1047 NPN PNP Silicon Power Transistor TO-3PN in Turkmenistan?

    Answer: You can purchase 2 Pair TTB817 B817 KSB817 TTD1047 D1047 KSD1047 NPN PNP Silicon Power Transistor TO-3PN at Ubuy. Ubuy offers a wide variety of electronic components, including transistors, and provides reliable service for customers looking for quality products. You can browse their extensive catalog online to find the exact specifications you need for your projects.

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Pros

  • High voltage capability of 120V
  • Max current of 10A with 100W
  • Reliable silicon power transistor
  • Wide hFE range (80-160)
  • Suitable for audio and RF applications

Cons

  • Requires careful handling

Platform Trust & Buyer Confidence

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“Great products and very good service: very easy and very fast international delivery.”

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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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TMT 76

Order now and get it around Tuesday, October 20

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Fastest cross-border delivery

Features & Benefits

  • Includes 2 PNP TTB817 and 2 NPN TTD1047 transistors.
  • Supports 120V maximum voltage, ideal for diverse applications.
  • Handles up to 10A current, ensuring reliable performance.
  • Delivers 100W power with hFE range of 80-160.
  • TO-3PN package designed for easy integration into circuits.
  • Perfect for hobbyists and professionals looking for efficiency.

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