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Home > Products > Discrete Semiconductor Products > Thyristors > TRIACs

STMicroelectronics BTB06-600TRG

Name: BTB06-600TRG
Brand: STMicroelectronics
SKU: BTB06-600TRG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BTB06-600TRG

Manufacturer:: STMicroelectronics

Category:: TRIACs

Package:: TO-220-3

Datasheet:: BTB06-600TRG.pdf

Description:: TRIAC SENS GATE 600V 6A TO220

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Product details

Overview

BTB06-600TRG from STMicroelectronics is a 6A, 600V snubberless triac in TO-220AB non-insulated package, designed for AC phase control and ON/OFF switching in inductive loads. It features 5 mA logic-level gate trigger current (Q1), 1000 V/µs dV/dt immunity at 125°C, and 50 A/µs critical dI/dt rating - enabling reliable commutation in motor starters and dimmers without external snubbers.

For engineers reviewing the BTB06-600TRG datasheet, BTB06-600TRG pinout, BTB06-600TRG application, or BTB06-600TRG equivalent, key selection criteria include gate sensitivity (5 mA max IGT), snubberless operation on inductive loads, TO-220AB thermal resistance (1.8 °C/W j-c), and compliance with UL insulation requirements via internal ceramic pad in BTA variants (not applicable to BTB).

Technical Context

The BTB06-600TRG is a 3-quadrant snubberless triac optimized for high-noise industrial environments with inductive loads. Its gate trigger threshold (VGT ≤ 1.3 V) and ultra-low IGT (5 mA max in Q1) enable direct drive from microcontrollers or logic-level outputs without buffer stages.

It sustains 60 A non-repetitive surge current (50 Hz, 20 ms) and maintains stable latching (IL ≤ 70 mA) and holding (IH ≤ 50 mA) across –40°C to +125°C junction temperature, supporting robust operation in motor speed controllers and static relays where voltage transients and load switching stress are common.

Key Specifications

Parameter	Value and Actual Design Meaning
IT(RMS)	6 A - Continuous RMS current handling for full-sine AC loads up to 1.2 kW at 230 VAC.
VDRM / VRRM	600 V - Peak repetitive off-state voltage rating; supports 230 VAC mains with ≥2× safety margin.
IGT (Q1)	5 mA max - Enables direct interface with 3.3 V/5 V MCU GPIOs without gate driver amplification.
dV/dt (Tj = 125°C)	1000 V/µs min - Eliminates false triggering during fast voltage transients in inductive switching.
Rth(j–c)	1.8 °C/W - Allows 6 A conduction with ≤110°C case temperature under forced-air or heatsink mounting.
VTM (ITM = 8.5 A)	1.55 V max - Low on-state voltage drop minimizes power loss (≤13 W at 6 A) and thermal stress.
(dI/dt)c	5.3 A/ms (at 10 V/µs dV/dt) - Ensures reliable turn-off during rapid current decay in inductive circuits.

Pinout & Package

BTB06-600TRG uses the TO-220AB non-insulated package with metal tab electrically connected to MT2 (A2). The tab serves as both heatsink interface and circuit node - requiring isolation from chassis ground unless MT2 is referenced to system ground.

Pin/Terminal	Circuit Role	Design Meaning
A1 (MT1)	Main Terminal 1	Reference terminal for gate triggering; current flows from A2 to A1 in Q1/Q2, A1 to A2 in Q3/Q4.
A2 (MT2)	Main Terminal 2	Connected to metal tab; defines return path for load current and sets reference for gate drive polarity.
G	Gate	Controls conduction onset; requires ≥5 mA pulse (Q1) with ≤1.3 V threshold for reliable turn-on.

Key Features

Feature	Design Value
Snubberless operation	Eliminates need for RC snubber networks in inductive loads - reducing BOM count and PCB area in motor controls.
Logic-level gate sensitivity	5 mA max IGT enables direct drive from low-power MCUs or optocouplers without discrete transistor buffers.
High commutation robustness	1000 V/µs dV/dt and 5.3 A/ms (dI/dt)c ensure reliable turn-off under worst-case inductive flyback conditions.
TO-220AB thermal performance	1.8 °C/W junction-to-case resistance supports 6 A RMS operation with standard heatsinking at Tc ≤ 110°C.

Applications

Motor Speed Control

Light Dimming

Use Scenario: Variable-speed control of universal or single-phase induction motors in power tools and HVAC blowers.

IC Role / Device Role / Timing Role: Main AC power switch implementing phase-angle control to regulate average motor voltage and torque.

Use Value: Snubberless design prevents false triggering during motor back-EMF spikes; 5 mA IGT allows compact isolated gate drive using HCPL-3120.

Use Scenario: Mains-connected residential LED or incandescent lamp dimming with leading-edge TRIAC dimmers.

IC Role / Device Role / Timing Role: Bidirectional AC switch triggered by zero-crossing detector and phase-delayed gate pulse.

Use Value: 1000 V/µs dV/dt immunity ensures stable dimming without flicker during line-voltage transients.

Static Relay

Heating Regulation

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

IC Role / Device Role / Timing Role: Fail-safe ON/OFF AC load switch with galvanically isolated gate input and zero-crossing synchronization.

Use Value: 60 A surge rating handles inrush currents of solenoids and transformers; TO-220AB tab simplifies heatsink integration.

Use Scenario: Temperature-controlled resistive heating in ovens, soldering stations, and 3D printer hot beds.

IC Role / Device Role / Timing Role: Duty-cycled AC power switch modulating average heater power based on PID feedback loop.

Use Value: Low VTM (1.55 V) reduces self-heating at 6 A, improving long-term stability and calibration accuracy.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BTA06-600TRG	Insulated TO-220AB package (2500 VRMS tab isolation); identical electrical specs except Rth(j–c) = 2.7 °C/W.	Required where MT2 tab must be isolated from heatsink/chassis (e.g., floating-ground systems).	Select when safety certification mandates reinforced insulation between main terminals and heatsink.
BTB06-600SWRG	10 mA IGT (vs. 5 mA); same package and voltage rating; lower gate sensitivity but higher noise immunity.	Suitable for noisy industrial environments where ultra-low IGT increases susceptibility to EMI-induced false triggering.	Choose when gate drive has limited current capability but ambient EMI is moderate - balances drive simplicity and noise resilience.

Compared with BTA06-600TRG, BTB06-600TRG offers lower thermal resistance but requires insulated mounting; versus BTB06-600SWRG, it delivers superior gate sensitivity at the cost of slightly reduced dV/dt margin in Q1 - making it optimal for clean, logic-driven dimmer designs.

Availability

BTB06-600TRG is available at Aetrix Electronics and suitable for motor speed controllers, light dimmers, static relays, and heating regulation systems requiring stable component supply and long-lifecycle support.

Supply support for BTB06-600TRG 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, specializing in power management, analog, MEMS, and microcontroller technologies for industrial, automotive, and consumer markets.

The BTA/BTB06 series belongs to ST's high-reliability power switching portfolio, engineered specifically for robust AC control in harsh electromagnetic environments with inductive loads - emphasizing snubberless operation, logic-level drive, and UL-compliant thermal packaging.

FAQ

Is BTB06-600TRG compatible with zero-crossing optotriacs like MOC3041?

Yes - BTB06-600TRG is commonly paired with zero-crossing optocouplers such as MOC3041 or IL420. Its 5 mA IGT ensures reliable triggering from the optotriac's 15–50 mA output, and its snubberless design eliminates the need for external RC networks typically required with standard triacs in resistive or inductive loads.

Can BTB06-600TRG be used without a heatsink?

No - at 6 A RMS, BTB06-600TRG dissipates up to 9.3 W (based on VTM = 1.55 V). With Rth(j–a) = 60 °C/W, junction temperature would exceed 125°C even at 25°C ambient. A heatsink maintaining Tc ≤ 110°C is mandatory; minimum recommended thermal resistance is 12.5 °C/W including interface material.

What is the difference between BTB06-600TRG and BTB06-600TWG?

BTB06-600TRG uses "R" marking for tube packaging and "G" for RoHS compliance; BTB06-600TWG denotes "W" for snubberless logic-level type (5 mA IGT) and "G" for RoHS - but "TW" is invalid per ST's ordering scheme. Correct logic-level variant is BTB06-600TW RG (5 mA, snubberless), where "TW" replaces "TR" in the sensitivity code. "TRG" indicates standard snubberless (50 mA IGT), not logic level.

Does BTB06-600TRG support 4-quadrant triggering?

No - BTB06-600TRG is a 3-quadrant snubberless triac (Q1, Q2, Q3 only). It blocks triggering in Q4 (positive gate, negative A2–A1 voltage), which improves noise immunity in AC mains applications. For full 4-quadrant operation, ST recommends BTA06-600C or BTB06-600C series with 25 mA IGT and standard (non-snubberless) architecture.

BTB06-600TRG Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Active

Triac Type:: Logic - Sensitive Gate

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):: 5 mA

Current - Hold (Ih) (Max):: 10 mA

Configuration:: Single

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220

BTB06-600TRG FAQ

1.How can I place an order for BTB06-600TRG through Aetrix?

Please submit a Request for Quotation (RFQ) for BTB06-600TRG 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 BTB06-600TRG reliable?

The price and inventory of BTB06-600TRG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTB06-600TRG is usually 5 days.

3.What payment methods are accepted for BTB06-600TRG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTB06-600TRG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BTB06-600TRG?

BTB06-600TRG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BTB06-600TRG 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 BTB06-600TRG?

For technical support, including BTB06-600TRG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTB06-600TRG requirements.

6.How does Aetrix verify that BTB06-600TRG is sourced from the original manufacturer or authorized distributors?

All BTB06-600TRG 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 BTB06-600TRG meets industry standards.

7.What is the process for return or replacement of BTB06-600TRG?

All BTB06-600TRG units undergo pre-shipment inspection (PSI). If there is an issue with BTB06-600TRG, 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 BTB06-600TRG part is unused and in its original packaging.

Return procedure for BTB06-600TRG:

1.Submit a request within 90 days.

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

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