STMicroelectronics T630-600W

Overview

T630-600W from STMicroelectronics is a 6 A, 600 V snubberless triac in ISOWATT220AB package, designed for phase-controlled AC switching in inductive loads. It delivers 50 A/µs dI/dt, 500 V/µs dV/dt, and 84 A non-repetitive surge current at 60 Hz, enabling reliable operation in rice cookers and similar household appliances.

For engineers reviewing the T630-600W datasheet, T630-600W pinout, T630-600W application, or T630-600W equivalent, key selection criteria include gate trigger current (30 mA max), commutation robustness (dV/dt ≥500 V/µs at 125°C), thermal resistance (3.4 °C/W junction-to-case), and UL certification (E81734) for safety-critical AC control.

Technical Context

This triac operates in all four quadrants with symmetrical triggering characteristics. Its Snubberless™ architecture eliminates external snubber networks by sustaining high critical rates of voltage rise (dV/dt ≥500 V/µs) and current decay (dI/dt ≥4.5 A/ms) without oscillation or false turn-on under inductive load transients.

It features a low on-state voltage (1.4 V max at 8.5 A, 25°C) and dynamic resistance (50 mΩ max at 125°C), enabling efficient power handling up to 6 A RMS at 105°C case temperature. Gate drive requirements are defined across temperature: IGT ≤30 mA, VGT ≤1.3 V, and IH ≤50 mA at 125°C.

Key Specifications

Pinout & Package

Package: ISOWATT220AB - Insulated plastic power package with metal tab for heatsinking, rated for 0.55 m·N torque mounting, 3.4 °C/W junction-to-case thermal resistance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar triac-based AC switching applications.

Compared with BTB16-600BW and T630-800W, the T630-600W offers optimal balance of cost, size, and performance for 230 VAC consumer appliances-delivering sufficient surge margin (84 A @ 60 Hz) and thermal headroom (3.4 °C/W) without over-specifying current or voltage rating.

Availability

T630-600W is available at Aetrix Electronics and suitable for rice cooker control, induction hob power stages, fan speed controllers, and light dimmer modules requiring stable component supply and UL-compliant AC switching.

Supply support for T630-600W includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing analog, power, and microcontroller products for industrial, automotive, and consumer markets.

The T630 series belongs to ST's Snubberless™ triac product line, engineered specifically for robust, snubber-free AC phase control in cost-sensitive, thermally constrained inductive load applications.

FAQ

What is the maximum allowable case temperature for continuous operation?

The T630-600W supports continuous operation up to 105°C case temperature (T_c) while delivering its full 6 A RMS rated current. Derating begins above this point, as shown in Figure 2 of the datasheet: at 125°C case temperature, RMS current must be reduced to approximately 4.2 A to maintain safe junction temperature limits.

Does this triac require a heat sink in typical 6 A applications?

Yes - a heatsink is required. With R_th(j-c) = 3.4 °C/W and typical power dissipation of ~6.5 W at 6 A RMS, junction temperature rise above case exceeds 22°C. To stay within the 125°C maximum junction limit at 105°C ambient, a heatsink with R_th(c-a) ≤ 15 °C/W is recommended for natural convection.

Can the T630-600W replace the T620-600W directly?

Yes, it is a direct functional replacement with identical package, voltage rating, and pinout. The key difference is higher gate trigger current (30 mA vs. 20 mA max), which may require minor gate drive adjustment in legacy designs optimized for the lower-sensitivity T620 variant.

Is this part compliant with RoHS and REACH regulations?

Yes - the T630-600W is RoHS-compliant (Pb-free lead finish, halogen-free molding compound) and meets REACH SVHC thresholds per STMicroelectronics' official product change notices (PCN 19-0023 and 22-0041), with full material declarations available upon request.