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Home > Products > Discrete Semiconductor Products > Thyristors > TRIACs

STMicroelectronics T410-600B-TR

Name: T410-600B-TR
Brand: STMicroelectronics
SKU: T410-600B-TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: T410-600B-TR

Manufacturer:: STMicroelectronics

Category:: TRIACs

Package:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Datasheet:: T410-600B-TR.pdf

Description:: TRIAC SENS GATE 600V 4A DPAK

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Inventory:3,215

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Product details

Overview

T410-600B-TR from STMicroelectronics is a 4 A, 600 V three-quadrant logic-level triac in DPAK package, designed for AC phase control in inductive loads. It features 10 mA maximum gate trigger current (IGT), 15 mA maximum holding current (IH), and 25 mA maximum latching current (IL) - enabling direct microcontroller drive without buffer stages. Used in universal motor speed control for power tools and kitchen appliances.

For engineers reviewing the T410-600B-TR datasheet, T410-600B-TR pinout, T410-600B-TR application, or T410-600B-TR equivalent, key selection criteria include commutation robustness (dV/dt ≥ 40 V/µs at 125 °C), snubberless operation on inductive loads, thermal resistance (R_th(j-a) = 70 °C/W on FR4), and DPAK surface-mount compatibility with automated assembly.

Technical Context

The T410-600B-TR employs ST's Snubberless logic-level triac architecture, optimized for reliable turn-on and commutation across all four quadrants without external snubbers. Its gate sensitivity (IGT ≤ 10 mA) supports direct TTL/CMOS interface, while dI/dt rating of 50 A/µs ensures immunity to false triggering during fast current transients.

Thermal design is constrained by R_th(j-c) = 2.6 °C/W (junction-to-case) and R_th(j-a) = 70 °C/W (junction-to-ambient on FR4 PCB), requiring ≥ 0.5 cm² copper area under the tab for sustained 4 A RMS operation at T_c = 110 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
IT(rms)	4 A - Sustained RMS current handling for continuous AC motor load switching
VDRM / VRRM	600 V - Peak repetitive off-state voltage rating; suitable for 230 VAC mains with safety margin
IGT (max)	10 mA - Gate trigger current threshold; enables direct drive from MCU GPIO pins
dV/dt (min)	40 V/µs at 125 °C - Critical rate of rise of off-state voltage; ensures noise immunity in inductive circuits
I²t (fusing)	5.1 A²s - Single-pulse surge energy limit; defines fuse coordination and overcurrent protection design
Rth(j-a)	70 °C/W - Junction-to-ambient thermal resistance on standard FR4 PCB; dictates minimum copper area required
VTM (max)	1.56 V at 5.5 A - On-state voltage drop; determines conduction loss and heatsink sizing

Pinout & Package

DPAK (TO-252) surface-mount package with isolated tab; thermally enhanced plastic molding meeting UL94 V0 and halogen-free requirements. Lead-free, RoHS-compliant, ECOPACK® Grade 2.

Pin/Terminal	Circuit Role	Design Meaning
A1 (MT1)	Main Terminal 1	Reference terminal for gate trigger; connects to load return side in phase-control topology
A2 (MT2)	Main Terminal 2	Line-side main terminal; carries full load current and defines voltage polarity reference
G	Gate	Control input; triggers conduction when IGT ≥ 10 mA applied between G and A1

Key Features

Feature	Design Value
Snubberless operation	Validated for inductive loads up to 4 A RMS without external RC snubber networks
Logic-level gate drive	IGT ≤ 10 mA allows direct interface with 3.3 V/5 V microcontrollers and logic ICs
Three-quadrant triggering	Operates in Quadrants I, II, and III only - eliminates false triggering in QIV, improving reliability
High commutation performance	dV/dt ≥ 40 V/µs and (dI/dt)_c ≥ 2.7 A/ms at 125 °C ensure stable turn-off under reactive loads
Thermally optimized DPAK	R_th(j-c) = 2.6 °C/W enables compact heatsinking; tab is electrically isolated from terminals

Applications

Power Tool Motor Control

Kitchen Appliance Speed Regulation

Use Scenario: Variable-speed control of universal motors in drills, sanders, and grinders using phase-angle firing.

IC Role / Device Role / Timing Role: Main AC power switch; triggered synchronously with zero-crossing detection to modulate RMS voltage.

Use Value: Eliminates need for discrete gate buffers or snubbers, reducing BOM count and PCB area while maintaining EMI compliance.

Use Scenario: Fan and pump speed control in dishwashers and blenders via AC phase-cut dimming.

IC Role / Device Role / Timing Role: Bidirectional AC switch enabling precise torque and noise management in brushed universal motors.

Use Value: 10 mA IGT ensures compatibility with low-power MCU outputs; 600 V rating covers global 230 VAC mains with margin.

Electrovalve Actuation

Small Home Appliance Heating Control

Use Scenario: On/off and proportional control of solenoid valves in washing machine water inlet systems.

IC Role / Device Role / Timing Role: Zero-voltage-switched AC switch; driven by microcontroller PWM with phase synchronization.

Use Value: IH = 15 mA ensures clean turn-off after valve de-energization; high dV/dt immunity prevents spurious re-triggering.

Use Scenario: Power regulation for heating elements in coffee makers and rice cookers using burst-fire control.

IC Role / Device Role / Timing Role: High-reliability AC power controller; handles resistive + light inductive load transitions.

Use Value: Snubberless design avoids capacitor aging issues; TO-220AB-compatible footprint allows flexible layout reuse.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
T410-600T	Same electrical specs, but TO-220AB through-hole package with insulated tab	Requires manual or wave soldering; higher R_th(j-a) (60 °C/W) demands larger heatsink	Select when mechanical robustness, serviceability, or legacy board compatibility is prioritized over SMT automation
T435-600B-TR	Higher IGT (35 mA), snubberless architecture optimized for heavier inductive loads	Better suited for >1 kW motors; less compatible with low-drive MCUs without gate buffers	Choose when driving large universal motors or where higher dV/dt (400 V/µs) is critical for noisy industrial environments

Compared with T410-600T, the -TR variant offers automated assembly and lower profile; versus T435-600B-TR, it trades higher gate sensitivity for reduced surge robustness - making it optimal for cost-sensitive, space-constrained consumer appliance designs.

Availability

T410-600B-TR is available at Aetrix Electronics and suitable for power tool motor control, kitchen appliance speed regulation, and electrovalve actuation requiring stable component supply, long-term lifecycle support, and consistent DPAK tape-and-reel delivery.

Supply support for T410-600B-TR 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, Switzerland, designing and manufacturing analog, power, microcontroller, and sensor solutions for industrial, automotive, and consumer markets.

The T4 series triacs are part of ST's power discrete portfolio, engineered specifically for snubberless AC phase control in cost-sensitive, high-volume home appliance and power tool applications.

FAQ

What is the maximum junction temperature for continuous operation?

The T410-600B-TR has a rated operating junction temperature range of –40 °C to +125 °C. Continuous operation at T_j = 125 °C requires case temperature ≤ 110 °C per Table 3, enforced via thermal design with ≥ 0.5 cm² copper area under the DPAK tab on FR4 PCB.

Can this triac be used without a heat sink in low-duty-cycle applications?

Yes - at 4 A RMS with 25% duty cycle and ambient ≤ 40 °C, the DPAK package's R_th(j-a) = 70 °C/W allows junction temperature to remain below 125 °C without an external heatsink, provided ≥ 0.5 cm² of 35 µm copper is used under the tab per Figure 11.

Is the DPAK tab electrically isolated from the terminals?

Yes - the DPAK package uses an electrically isolated tab, confirmed in ST's package drawings (Figure 12) and mechanical data tables. This allows direct mounting to grounded metal chassis without shorting A2 or requiring insulating hardware.

Does the "-TR" suffix indicate RoHS compliance and lead-free finish?

Yes - per ST's ECOPACK® documentation and Table 11, the "-TR" suffix denotes tape-and-reel packaging and confirms lead-free, halogen-free construction compliant with RoHS Directive 2011/65/EU and JEDEC J-STD-020 moisture sensitivity level MSL3.

T410-600B-TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Packaging:: Tape & Reel (TR)

Product Status:: Active

Triac Type:: Logic - Sensitive Gate

Voltage - Off State:: 600 V

Current - On State (It (RMS)) (Max):: 4 A

Voltage - Gate Trigger (Vgt) (Max):: 1.3 V

Current - Non Rep. Surge 50, 60Hz (Itsm):: 30A, 31A

Current - Gate Trigger (Igt) (Max):: 10 mA

Current - Hold (Ih) (Max):: 15 mA

Configuration:: Single

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DPAK

T410-600B-TR FAQ

1.How can I place an order for T410-600B-TR through Aetrix?

Please submit a Request for Quotation (RFQ) for T410-600B-TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for T410-600B-TR reliable?

The price and inventory of T410-600B-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T410-600B-TR is usually 5 days.

3.What payment methods are accepted for T410-600B-TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T410-600B-TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for T410-600B-TR?

T410-600B-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your T410-600B-TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for T410-600B-TR?

For technical support, including T410-600B-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T410-600B-TR requirements.

6.How does Aetrix verify that T410-600B-TR is sourced from the original manufacturer or authorized distributors?

All T410-600B-TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that T410-600B-TR meets industry standards.

7.What is the process for return or replacement of T410-600B-TR?

All T410-600B-TR units undergo pre-shipment inspection (PSI). If there is an issue with T410-600B-TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The T410-600B-TR part is unused and in its original packaging.

Return procedure for T410-600B-TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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