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STMICROELECTRONICS T40506PF High-current triac

The T4050-6PF is a high-current, Snubberless™ triac packaged in a TO-3PF plastic-insulated case, designed for high surge current applications in industrial control, HVAC, motor start, and light dimming. It offers a blocking voltage of 600 V, surge voltage of 700 V, and main RMS on-state current of 40 A, with excellent static and dynamic immunity, high surge current capacity, and UL1557 certification. Ideal for phase control, relays, and motor soft starters, it operates reliably within -40°C to +125°C junction temperature range and complies with RoHS standards.

Authorized Distributors
Source:Newark
Part No:T4050-6PF
Stock:25
Inv Date:06-11-2026
Price: Unit price: $3.8
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Source:DigiKey
Part No:T4050-6PF
Stock:1104
Inv Date:06-11-2026
Price: Unit price: $4.51
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Part No:T4050-6PF
Stock:2210
Inv Date:06-12-2026
Price: Unit price: $4.51
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Part No:T4050-6PF
Stock:1200
Inv Date:06-11-2026
Price: Unit price: $1.53
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Source:Arrow EU
Part No:T4050-6PF
Stock:180
Inv Date:06-12-2026
Price: N/A
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Part No:T4050-6PF
Stock:14907
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS T40506PF High-current triac Specifications:

  • Maximum repetitive peak off-state voltage: 600 V
  • Maximum non-repetitive peak off-state voltage: 700 V
  • Maximum RMS on-state current: 40 A
  • Gate trigger current: 50 mA
  • Gate peak voltage: 8 V
  • Surge current: 400 A
  • Trigger dV/dt: 1000 V/s
  • Operating junction temperature: -40°C to +125°C
  • Peak gate power dissipation: 1 W
  • Insulation RMS voltage for 1 minute: 25 kV
  • Maximum lead temperature during soldering: 260°C for 10 s
  • Junction to case thermal resistance: 1.45°C/W
  • Junction to ambient thermal resistance: 50°C/W
  • Package: TO-3PF with epoxy meeting UL94V-0, lead-free, and HF compliant
  • Dimensions: Refer to datasheet outline, typical length 43.2-44.4 mm, case width approx 15.3-15.7 mm

Buy the STMicroelectronics Series T4050-6PF Triac: 600V 40A Snubberless

Purchase the STMicroelectronics Series T4050-6PF triac online today to ensure your automation and control systems benefit from a dependable high-current switch. Designed for high surge applications, this Snubberless™ triac in TO-3PF package offers 40A RMS on-state current and 600V blocking voltage, making it ideal for HVAC, motor starters, and solid-state relays. Its robust construction, UL1557 certification, and RoHS compliance guarantee safety, durability, and environmental friendliness. Order now to improve your industrial control solutions with this high-performance, easy-to-implement device.

Order your STMicroelectronics Series T4050-6PF triac today and enhance your industrial control projects with reliable, high surge capacity switching.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS T40506PF?

You can click on the BUY or RFQ button to purchase T40506PF from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part T40506PF?

You can download the T40506PF datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of T40506PF?

STMICROELECTRONICS

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