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Littelfuse MCR682G Silicon Controlled Rectifier

The MCR68-2 is a high-discharge current silicon controlled rectifier designed for overvoltage protection in crowbar circuits. Featuring glass-passivated junctions for enhanced stability and reliability, it has a compact TO-220AB package for low thermal resistance and durability. It supports a peak discharge current of 300 A, RMS on-state current of 12 A, and a peak repetitive off-state voltage of 50 V. Its rugged construction makes it ideal for industrial power applications where high surge capability and dependable performance are critical, providing robust overvoltage suppression and reliable circuit protection.

Authorized Distributors
Source:Newark
Part No:MCR68-2G
Stock:569
Inv Date:05-28-2026
Price: Unit price: $0.41
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Source:DigiKey
Part No:MCR68-2G
Stock:1681
Inv Date:05-28-2026
Price: Unit price: $2.06
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Source:DigiKey
Part No:MCR68-2G
Stock:2489
Inv Date:05-28-2026
Price: Unit price: $0.69
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Part No:MCR68-2G
Stock:552
Inv Date:05-29-2026
Price: Unit price: $2.06
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Part No:MCR68-2G
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.2
Buy/RFQ:
Part No:MCR68-2G
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.6
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Littelfuse MCR682G Silicon Controlled Rectifier Specifications:

  • Peak Repetitive Off-State Voltage: 50 V
  • Peak Discharge Current: 300 A
  • On-State RMS Current: 12 A
  • Average On-State Current: 8.0 A
  • Peak Non-Repetitive Surge Current: 100 A
  • Gate Peak Forward Current: 2.0 A
  • Gate Peak Power: 20 W
  • Operating Temperature Range: -40°C to +125°C
  • Storage Temperature Range: -40°C to +150°C
  • Thermal Resistance Junction-to-Case: 20 °C/W
  • Maximum Lead Soldering Temperature: 260 °C for 10 seconds

Buy the ON Semiconductor Series SCR: MCR68-2

Enhance your circuit protection with the Silicon Controlled Rectifier designed for industrial overvoltage suppression. Featuring a peak discharge current of 300 A, 50 V off-state voltage, and a rugged TO-220AB construction, this SCR is perfect for crowbar circuits and surge suppression. Its glass-passivated junctions ensure stability and longevity, maintaining high reliability even under harsh conditions. Easy to install and highly durable, it offers excellent overload handling, making it the ideal choice for power supply protection and industrial automation systems.

Order your ON Semiconductor Series SCR MCR68-2 today and ensure reliable overvoltage protection for your industrial and power circuits.

Frequently Asked Questions

Where can I buy Littelfuse MCR682G?

You can click on the BUY or RFQ button to purchase MCR682G from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part MCR682G?

You can download the MCR682G datasheet or visit the Littelfuse website for support.

Who is the manufacturer of MCR682G?

Littelfuse

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