STMicroelectronics TRIAC, RD-91 Series - 25A 600V
General-purpose 3-pin insulated TRIAC for AC switching. High commutation, low thermal resistance. Ideal for motor control, lighting & industrial use.
The STMicroelectronics TRIAC, RD-91 Series is a high-performance, three-pin standard insulated thyristor designed for general-purpose AC switching applications. With its robust construction and advanced internal design, it is engineered to deliver reliable ON/OFF functionality in a wide range of electronic circuits, making it a versatile component for both commercial and industrial systems.
A key feature of this TRIAC is its voltage-insulated tab, achieved through an internal ceramic pad. This provides enhanced electrical isolation, improving safety and reliability. The device also boasts superior commutation performance, ensuring clean and efficient switching transitions, which is critical for controlling inductive loads.
Constructed with a low thermal resistance and utilising clip bonding technology, the TRIAC effectively dissipates heat, enabling high current operation without compromising performance or longevity. This makes it exceptionally durable under demanding electrical conditions.
Specifications & Features
- Type: TRIAC
- Current Rating: High current operation suitable for robust applications
- Commutation: High commutation performance for reliable switching
- Thermal Design: Low thermal resistance with clip bonding for efficient heat dissipation
- Insulation: Voltage insulated tab via internal ceramic pad for enhanced safety
- Terminals: 3-pin standard configuration
- Case Style: Industry-standard RD-91 package
- Mounting: Panel-mounted for secure installation
- Operating Temperature: Maximum operating temperature of 125°C, suitable for harsh environments
This component is an essential choice for engineers and technicians looking for a dependable and efficient solid-state AC switch.
Variant Details
- Size: 25A 600V
- Motor Drive Control systems
- Industrial control circuits
- Lighting control applications (e.g., dimmers)
- General-purpose AC switching
- Peak Repetitive Off State Voltage: 600V
- On State RMS Current: 25A
- Triac Case Style: RD-91
- Gate Trigger Voltage Max: 1.5V
- Peak Non-Repetitive Surge Current: 250A
- Holding Current Max: 80mA
- Number of Pins: 3 Pins
- Operating Temperature Max: 125°C
- Peak On State Voltage: 1.55V
- Thyristor Mounting: Panel
- Product Weight: 2.4 grams
- Package Height: 43 mm
- Package Width: 33 mm
- Package Depth: 15 mm
- Special Feature: Voltage insulated tab via internal ceramic pad
- Special Feature: High commutation performance
- Special Feature: Low thermal resistance with clip bonding
- Special Feature: High current operation
- of Pins: 3Pins
- SVHC: No SVHC (25-Jun-2025)
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
You may like
