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Home > Products > Discrete Semiconductor Products > Thyristors > TRIACs

STMicroelectronics BTA06-600BRG

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

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Part No.:: BTA06-600BRG

Manufacturer:: STMicroelectronics

Category:: TRIACs

Package:: TO-220-3

Datasheet:: BTA06-600BRG.pdf

Description:: TRIAC 600V 6A TO220

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BTA06-600BRG 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 5 mA logic-level gate trigger current (Q1), 2500 VRMS voltage-isolated tab per UL E81734, and high commutation robustness enabling reliable operation in motor starters and heating regulators without external snubbers.

For engineers reviewing the BTA06-600BRG datasheet, BTA06-600BRG pinout, BTA06-600BRG application, or BTA06-600BRG equivalent, key selection criteria include gate sensitivity (IGT ≤ 5 mA), dV/dt immunity (≥ 400 V/µs), insulated package rating, and snubberless operation capability for inductive load commutation.

Technical Context

This triac operates in three quadrants (I, II, III) with logic-level gate drive compatibility, supporting direct microcontroller interface without buffer stages. Its internal ceramic insulation enables safe mounting to heatsinks at chassis potential while maintaining 2500 VRMS isolation between tab and main terminals.

The device achieves high commutation performance via optimized semiconductor structure and gate geometry, delivering minimum critical dV/dt of 400 V/µs and (dI/dt)c ≥ 2.4 A/ms at 125°C - essential for stable turn-off under reactive load conditions without snubber networks.

Key Specifications

Parameter	Value and Actual Design Meaning
IT(RMS)	6 A - supports continuous AC load current up to 6 A at Tc = 105°C in insulated TO-220AB package
VDRM / VRRM	600 V - peak repetitive off-state voltage rating ensures safe blocking in 240 VAC mains applications with margin
IGT (Q1)	5 mA max - logic-level gate trigger enables direct drive from 3.3 V or 5 V MCU GPIO pins
dV/dt (min)	400 V/µs - high transient immunity prevents false triggering during fast voltage transients on inductive loads
Rth(j-c)	2.7 °C/W - thermal resistance from junction to case allows ~2.2 W dissipation at 105°C case temperature
VTM (max)	1.55 V - low on-state voltage drop minimizes conduction loss and heatsink requirements at full load
Isolation Rating	2500 VRMS - UL-certified reinforced insulation enables safe mounting to grounded heatsinks

Pinout & Package

Package: TO-220AB insulated variant with voltage-isolated metal tab (A2 terminal). Tab is electrically isolated from A1 and G terminals per UL E81734.

Pin/Terminal	Circuit Role	Design Meaning
A1	Main Terminal 1	Anode 1 - connects to load return side; referenced as common for gate trigger circuit
A2	Main Terminal 2	Anode 2 - connects to AC line input; metal tab is electrically tied to A2 but isolated by ceramic pad
G	Gate	Controls conduction onset; requires ≥5 mA pulse in Q1 for reliable turn-on at 25°C

Key Features

Feature	Design Value
Snubberless operation	Validated for inductive loads up to 60 Hz without external RC snubber networks due to ≥400 V/µs dV/dt immunity
Logic-level gate sensitivity	IGT ≤ 5 mA at 25°C enables direct drive from low-power MCUs and logic ICs without gate buffers
UL-certified insulation	2500 VRMS isolation between tab (A2) and A1/G terminals satisfies safety standards for Class I equipment
Three-quadrant triggering	Operates reliably in quadrants I, II, and III only - eliminates false triggering in quadrant IV noise conditions
ECOPACK® compliance	Lead-free second-level interconnect meets JEDEC JESD97; RoHS-compliant packaging with marked environmental category

Applications

Motor Control

Heating Regulation

Use Scenario: Single-phase induction motor start/stop and speed control in HVAC blowers and pump drivers.

IC Role / Device Role / Timing Role: Main AC power switch controlling motor winding energization timing via phase-angle control.

Use Value: Snubberless design eliminates 2–3 passive components per channel; 5 mA IGT reduces gate driver cost and PCB area.

Use Scenario: Proportional power delivery to resistive heating elements in industrial ovens and coffee machines.

IC Role / Device Role / Timing Role: Zero-crossing or phase-controlled AC switch regulating average power to heater coil.

Use Value: 2500 VRMS isolation allows direct heatsink mounting to grounded chassis, simplifying mechanical design and thermal management.

Light Dimming

Static Relay Replacement

Use Scenario: Leading-edge dimmer circuits for incandescent and halogen lamps in residential lighting systems.

IC Role / Device Role / Timing Role: Bidirectional AC switch triggered synchronously with AC zero-crossing to adjust conduction angle.

Use Value: 400 V/µs dV/dt rating prevents misfiring during lamp cold-resistance surge, improving dimmer reliability.

Use Scenario: Solid-state replacement for electromechanical relays in programmable logic controller (PLC) output modules.

IC Role / Device Role / Timing Role: Fail-safe AC load switch with galvanic isolation between control logic and 240 VAC load circuits.

Use Value: UL-rated 2500 VRMS isolation replaces optocoupler + relay combo, reducing component count and failure modes.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BTB06-600BRG	Non-insulated TO-220AB package; tab electrically connected to A2 terminal	Requires insulated mounting hardware or isolation barriers when heatsink is grounded	Select when mechanical isolation is already implemented and lower thermal resistance (1.8 °C/W) is prioritized
BTA06-600CW	35 mA IGT (Q1); snubberless but higher gate drive requirement	Suitable where microcontroller cannot source 5 mA but can drive 35 mA, e.g., legacy 5 V logic with buffer	Choose when gate drive capability exceeds 35 mA and snubberless operation remains required

Compared with BTB06-600BRG and BTA06-600CW, the BTA06-600BRG uniquely combines logic-level gate drive, snubberless operation, and certified insulation - making it optimal for space-constrained, safety-critical AC control where direct MCU interfacing and grounded heatsink mounting are both required.

Availability

BTA06-600BRG is available at Aetrix Electronics and suitable for motor control, heating regulation, light dimming, and static relay replacement requiring stable component supply across industrial OEM and embedded design cycles.

Supply support for BTA06-600BRG 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, snubberless operation in inductive and resistive AC loads across 50/60 Hz mains environments.

FAQ

What is the maximum junction temperature for continuous operation?

The BTA06-600BRG has an operating junction temperature range of –40°C to +125°C. For continuous RMS current of 6 A, the case temperature must not exceed 105°C to maintain reliability, as specified in Table 3's absolute maximum ratings and validated by thermal resistance Rth(j-c) = 2.7 °C/W.

Can this triac be used with 24 VAC control signals?

No - the BTA06-600BRG requires gate current, not voltage, for triggering. A 24 VAC signal alone cannot guarantee the required 5 mA IGT pulse unless conditioned through a series resistor and zero-crossing detector. It is intended for DC-triggered phase control or ON/OFF switching using logic-level current pulses.

Does the insulated tab eliminate the need for insulating hardware?

The 2500 VRMS isolation rating applies only between the tab (A2) and A1/G terminals - it does not replace mandatory creepage/clearance compliance or regulatory grounding requirements. Insulating shoulder washers or mica pads are still required if mounting to a conductive heatsink that may contact user-accessible parts.

How does snubberless operation affect layout requirements?

Snubberless operation removes the need for external RC snubber networks across MT1–MT2, reducing PCB area and component count. However, layout must still minimize parasitic inductance in the main current path and provide adequate gate loop decoupling to prevent false triggering from dv/dt coupling into the gate terminal.

BTA06-600BRG 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):: 50 mA

Current - Hold (Ih) (Max):: 50 mA

Configuration:: Single

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220

BTA06-600BRG FAQ

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

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

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

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

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

Note: Certain payment methods may incur a processing fee.

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

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

Once your BTA06-600BRG 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 BTA06-600BRG?

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

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

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

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

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

Return procedure for BTA06-600BRG:

1.Submit a request within 90 days.

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

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