The 55 Amp Standard SCRs are high-performance thyristors designed for reliable phase control in industrial applications such as motor speed regulation, heating, and power switching. Featuring a robust glass-passivated junction capable of withstanding voltages up to 1000V, these devices offer excellent surge capability of up to 650A, ensuring durability under transient conditions. They are RoHS compliant, with a compact TO-218AC package and non-isolated mounting tab for easy installation. Ideal for resistive and inductive loads, these SCRs are engineered for efficient power control with low gate trigger current and high surge ratings, suited for automation and industrial power systems.
Repetitive Peak Forward Blocking Voltage: 400V to 1000V adjustable
Average On-State Current: up to 55A
Maximum RMS on-state current at 90°C: 55A
Package Types: TO-218AC, TO-220, TO-218X, TO-263 with corresponding physical dimensions
Case Temperature Range: -40°C to +125°C
Storage Temperature Range: -40°C to +150°C
Material: Copper alloy leads, matte tin-plated finish, UL recognized epoxy
Lead Material: Copper alloy
Soldering Parameters: Preheat max 200°C, peak 260°C, 60-180 sec
Buy the Littelfuse Series Sxx55 SCR: 55 Amp Standard SCRs
Purchase Littelfuse Series Sxx55 SCR today for dependable phase control applications. Engineered with a high surge capacity of up to 650A and voltage ratings up to 1000V, these SCRs ensure efficient operation in industrial environments. Suitable for resistive and inductive loads, they feature low gate trigger current and robust construction for longevity. Whether for motor speed regulation, heating, or power switching, these high-quality thyristors combine reliable performance, easy installation, and compliance with RoHS standards, making them a smart choice for professional engineers and system designers.
Get Littelfuse Series Sxx55 SCR today—built for precision, high surge current, and long-lasting durability in industrial power control.
Frequently Asked Questions
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