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KEYSTONE 4662 Mica Insulator

The 4662 is a precision-stamped mica insulator designed for TO-3 transistors. It offers excellent thermal resistance up to 1100°F and provides good thermal conductivity with a value of 0.009 watts per square inch in thickness. The insulator also has a dielectric constant of 7 at 1000 kHz, making it suitable for industrial applications. Constructed from .003 (.08) + .001 (.02) thick mica, this high-quality insulator ensures reliable electrical insulation and thermal management in power semiconductor devices, ideal for professional electronic assembly and manufacturing.

Authorized Distributors
Source:Newark
Part No:4662
Stock:444
Inv Date:06-07-2026
Price: Unit price: $0.027
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Source:DigiKey
Part No:4662
Stock:111
Inv Date:06-07-2026
Price: Unit price: $4.5
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Source:DigiKey
Part No:4662
Stock:3287
Inv Date:06-07-2026
Price: Unit price: $0.23
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Part No:4662
Stock:9
Inv Date:06-08-2026
Price: Unit price: $4.5
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Part No:4662
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.158
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Part No:4662
Stock:0
Inv Date:06-08-2026
Price: N/A
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Part No:466-2
Stock:0
Inv Date:06-08-2026
Price: N/A
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Part No:4662
Stock:0
Inv Date:06-08-2026
Price: N/A
Buy/RFQ:
Part No:4662
Stock:0
Inv Date:06-07-2026
Price: Unit price: $4.5
Buy/RFQ:
Authorized Distributors
Part No:4662
Stock:0
Inv Date:06-07-2026
Price: Unit price: $0.17
Buy/RFQ:
Part No:4662
Stock:3
Inv Date:06-06-2026
Price: Unit price: $0.079
Buy/RFQ:
Part No:4662
Stock:9
Inv Date:06-06-2026
Price: Unit price: $0.079
Buy/RFQ:

KEYSTONE 4662 Mica Insulator Specifications:

  • Material: .003 (.08) + .001 (.02) thick mica
  • Maximum Heat Resistance: 1100°F (593°C)
  • Thermal Conductivity: 0.009 watts per square inch per °C per inch in thickness
  • Dielectric Constant: 7 at 1000 kHz
  • Suitable for TO-3 transistor packages
  • Constructed for reliable electrical insulation in high temperature environments
  • Precision-stamped for consistent quality and precise fit
  • Application: industrial electronics, power semiconductors, high-temperature insulation

Buy the Keyelco Series Insulator: High-Temperature Mica Insulator 4662

Secure your electronic projects with the Keyelco Series Mica Insulator 4662. Designed for TO-3 transistors, this high-performance insulator offers superior thermal resistance up to 1100°F, excellent thermal conductivity, and strong electrical insulation. Made from premium mica material, it ensures durability and consistent performance in demanding environments. Easily incorporate it into your manufacturing process or repair kits to improve device reliability and safety. Buy online now for fast delivery and trusted quality in electronic component solutions!

Order your Keyelco Series Insulator 4662 today and ensure your transistors are protected with high-quality thermal and electrical insulation.

Frequently Asked Questions

Where can I buy KEYSTONE 4662?

You can click on the BUY or RFQ button to purchase 4662 from an authorized KEYSTONE distributor.

How do I troubleshoot issues or seek technical support for part 4662?

You can download the 4662 datasheet or visit the KEYSTONE website for support.

Who is the manufacturer of 4662?

KEYSTONE

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