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Home > Products > Discrete Semiconductor Products > Thyristors > TRIACs

STMicroelectronics BTA06-600CRG

Name: BTA06-600CRG
Brand: STMicroelectronics
SKU: BTA06-600CRG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BTA06-600CRG

Manufacturer:: STMicroelectronics

Category:: TRIACs

Package:: TO-220-3

Datasheet:: BTA06-600CRG.pdf

Description:: TRIAC 600V 6A TO220

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BTA06-600CRG from STMicroelectronics is a 6 A, 600 V RMS snubberless triac in insulated TO-220AB package, designed for AC phase control and ON/OFF switching in inductive loads. It features 25 mA gate trigger current (QI–QIII), 1.3 V max gate trigger voltage, and 2500 VRMS voltage-isolated tab compliant with UL E81734. Used in motor speed controllers and heating regulation circuits.

For engineers reviewing the BTA06-600CRG datasheet, BTA06-600CRG pinout, BTA06-600CRG application, or BTA06-600CRG equivalent, key selection criteria include commutation robustness on inductive loads, insulated tab safety rating, gate sensitivity class (C = 25 mA), and snubberless operation at 125°C junction temperature.

Technical Context

The BTA06-600CRG is a three-quadrant snubberless triac optimized for reliable commutation on inductive loads without external snubbers. Its design incorporates an internal ceramic pad enabling 2500 VRMS isolation between MT2 and tab, meeting UL insulation requirements.

It operates across quadrants I, II, and III with guaranteed 25 mA max IGT (QI–QIII), 10 mA max holding current (IH), and 400 V/µs minimum dV/dt immunity at 125°C - critical for noise-immune triggering in motor drive and dimmer applications.

Key Specifications

Parameter	Value and Actual Design Meaning
IT(RMS)	6 A - continuous AC load current handling capability at Tc = 105°C
VDRM / VRRM	600 V - peak repetitive off-state blocking voltage in both directions
IGT (QI–QIII)	25 mA max - low gate drive requirement compatible with microcontroller GPIO
dV/dt (min)	400 V/µs at 125°C - high noise immunity prevents false triggering in noisy industrial environments
Rth(j-c)	2.7 °C/W - thermal resistance from junction to insulated case, enabling 6 A operation with modest heatsinking
VTM (max)	1.55 V at 8.5 A - low conduction loss reduces power dissipation and heatsink size
Isolation Rating	2500 VRMS - reinforced insulation between MT2 and tab per UL E81734

Pinout & Package

Package: TO-220AB Insulated - thermally conductive but electrically isolated metal tab rated for 2500 VRMS; mounting screw must not short tab to heatsink ground.

Pin/Terminal	Circuit Role	Design Meaning
A1 (MT1)	Main Terminal 1	AC line or load return path; referenced as common for gate trigger circuit
A2 (MT2)	Main Terminal 2	AC line or load hot connection; electrically isolated from tab
G	Gate	Trigger input; requires ≥25 mA pulse to initiate conduction in QI/QII/QIII

Key Features

Feature	Design Value
Snubberless operation	Eliminates need for RC snubber network on inductive loads, reducing BOM count and board space
UL-certified insulated tab	2500 VRMS isolation enables safe mounting to grounded heatsinks in Class I appliances
Three-quadrant triggering	Supports gate triggering only in QI, QII, QIII - improves noise immunity vs. 4Q standard triacs
High commutation robustness	(dV/dt)c ≥ 400 V/µs at 125°C ensures reliable turn-off under fast voltage transients

Applications

Motor Speed Control

Heating Regulation

Use Scenario: Variable-speed control of single-phase induction motors in fans, pumps, and compressors.

IC Role / Device Role / Timing Role: Main AC power switch modulating RMS voltage via phase-angle control.

Use Value: Snubberless operation prevents false turn-on during motor back-EMF spikes; 400 V/µs dV/dt immunity sustains stable commutation.

Use Scenario: Precise temperature maintenance in resistive heating elements of ovens, water heaters, and soldering stations.

IC Role / Device Role / Timing Role: Zero-crossing or phase-controlled ON/OFF switch regulating average power delivery.

Use Value: 6 A IT(RMS) supports up to ~1.3 kW at 230 VAC; insulated tab simplifies safety-compliant enclosure design.

Light Dimming

Static Relay Replacement

Use Scenario: Leading-edge dimming of incandescent and halogen lamps in residential and commercial lighting.

IC Role / Device Role / Timing Role: Bidirectional AC switch triggered synchronously with AC zero-crossing for smooth brightness adjustment.

Use Value: 25 mA IGT allows direct drive from MCU GPIO; 1.55 V VTM minimizes conduction loss and self-heating.

Use Scenario: Solid-state replacement of electromechanical relays in PLC output modules and HVAC control panels.

IC Role / Device Role / Timing Role: Fail-safe AC load switch with galvanic isolation and surge tolerance.

Use Value: 60 A non-repetitive surge rating (50 Hz, 20 ms) handles inrush currents of solenoids and transformers.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BTA06-600BW	50 mA IGT (vs. 25 mA); same 600 V, snubberless, insulated TO-220AB	Higher gate drive requirement; less suitable for low-power MCU outputs	Select when gate driver has ≥50 mA sourcing capability and cost optimization is prioritized
BTB06-600CRG	Non-insulated TO-220AB package; identical electrical specs except tab isolation	Requires insulated mounting hardware; unsuitable for UL Class I designs requiring reinforced isolation	Select only where heatsink is floating or system-level isolation is implemented elsewhere

Compared with BTA06-600BW and BTB06-600CRG, the BTA06-600CRG uniquely balances low gate drive (25 mA), snubberless reliability on inductors, and certified 2500 VRMS tab isolation - making it optimal for safety-critical, space-constrained, and microcontroller-driven AC control systems.

Availability

BTA06-600CRG is available at Aetrix Electronics and suitable for motor speed controllers, heating regulation systems, light dimmers, and static relay replacements requiring stable component supply and long-term industrial availability.

Supply support for BTA06-600CRG 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, specializing in power management, analog, MEMS, and microcontrollers for industrial, automotive, and consumer markets.

The BTA/BTB06 series belongs to ST's high-reliability AC power switching portfolio, engineered specifically for robust phase-control and ON/OFF switching in inductive and resistive AC loads under harsh thermal and electrical conditions.

FAQ

What is the maximum junction temperature for continuous operation?

The BTA06-600CRG has a maximum operating junction temperature of +125°C. At this temperature, its RMS on-state current rating drops to 6 A only when case temperature is maintained at ≤105°C using appropriate heatsinking - verified by Rth(j-c) = 2.7 °C/W and derating curves in Figure 2 of the datasheet.

Can this triac be driven directly from a 3.3 V microcontroller GPIO?

Yes - with proper current limiting. The BTA06-600CRG requires ≤25 mA gate trigger current and ≤1.3 V gate trigger voltage. A 3.3 V GPIO can drive it via a 100 Ω series resistor (delivering ~30 mA peak), provided the MCU pin supports ≥30 mA sink/source and the pulse width exceeds 10 µs per the datasheet's gate trigger timing requirements.

Does the insulated tab require thermal compound when mounted to a heatsink?

Yes - thermal interface material (TIM) is required. Although the tab is electrically insulated, its thermal path relies on physical contact with the heatsink. ST specifies that the 2.7 °C/W Rth(j-c) assumes use of standard thermal grease or pad; omitting TIM increases thermal resistance significantly and risks thermal runaway at full 6 A load.

How does "snubberless" operation improve reliability in motor control?

Snubberless operation means the triac maintains reliable commutation during rapid voltage transients (e.g., motor back-EMF) without external RC networks. The BTA06-600CRG achieves this via enhanced dV/dt immunity (400 V/µs at 125°C) and optimized internal structure - eliminating snubber component failure points and reducing PCB area and cost in motor starter circuits.

BTA06-600CRG Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Active

Triac Type:: Standard

Voltage - Off State:: 600 V

Current - On State (It (RMS)) (Max):: 6 A

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

Current - Non Rep. Surge 50, 60Hz (Itsm):: 60A, 63A

Current - Gate Trigger (Igt) (Max):: 25 mA

Current - Hold (Ih) (Max):: 25 mA

Configuration:: Single

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220

BTA06-600CRG FAQ

1.How can I place an order for BTA06-600CRG through Aetrix?

Please submit a Request for Quotation (RFQ) for BTA06-600CRG 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 BTA06-600CRG reliable?

The price and inventory of BTA06-600CRG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTA06-600CRG is usually 5 days.

3.What payment methods are accepted for BTA06-600CRG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTA06-600CRG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BTA06-600CRG?

BTA06-600CRG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BTA06-600CRG 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 BTA06-600CRG?

For technical support, including BTA06-600CRG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTA06-600CRG requirements.

6.How does Aetrix verify that BTA06-600CRG is sourced from the original manufacturer or authorized distributors?

All BTA06-600CRG 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 BTA06-600CRG meets industry standards.

7.What is the process for return or replacement of BTA06-600CRG?

All BTA06-600CRG units undergo pre-shipment inspection (PSI). If there is an issue with BTA06-600CRG, 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 BTA06-600CRG part is unused and in its original packaging.

Return procedure for BTA06-600CRG:

1.Submit a request within 90 days.

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

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