STMicroelectronics BTA06-600CWRG
- Part No.:
- BTA06-600CWRG
- Manufacturer:
- STMicroelectronics
- Category:
- TRIACs
- Package:
- TO-220-3
- Datasheet:
-
BTA06-600CWRG.pdf
- Description:
- TRIAC ALTERNISTOR 600V 6A TO220
- Quantity:
- Payment:

- Shipping:

Inventory:18,899
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Product details
Overview
BTA06-600CWRG from STMicroelectronics is a 6 A, 600 V snubberless logic-level triac in insulated TO-220AB package, rated for 2500 VRMS voltage isolation between tab and terminals. It supports quadrant I/II/III triggering with 35 mA max gate trigger current (IGT), 1.3 V max gate trigger voltage (VGT), and 400 V/µs min dV/dt immunity at 125°C - optimized for inductive AC load switching in motor controls and heating regulation.
For engineers reviewing the BTA06-600CWRG datasheet, BTA06-600CWRG pinout, BTA06-600CWRG application, or BTA06-600CWRG equivalent, key selection criteria include insulated tab compliance (UL E81734), snubberless commutation performance on inductive loads, 5 mA logic-level gate drive capability, and thermal resistance of 2.7 °C/W (junction-to-case).
Technical Context
This triac operates in three quadrants (I, II, III) with symmetrical bidirectional conduction and gate-triggered turn-on. Its internal ceramic pad enables reinforced insulation (2500 VRMS) between the metal tab and semiconductor die, meeting UL safety requirements for mains-connected equipment.
The device features high commutation robustness: minimum dV/dt = 400 V/µs at Tj = 125°C and critical rate of decrease of main current (dI/dt)c ≥ 2.4 A/ms at (dV/dt)c = 10 V/µs - enabling reliable zero-crossing and phase-control operation without external snubbers on inductive loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 6 A - continuous RMS current handling at Tc = 105°C, suitable for 1 kW resistive or 750 W inductive AC loads at 230 VAC |
| VDRM/VRRM | 600 V - peak repetitive off-state voltage rating, supporting 230 VAC mains with 2× safety margin |
| IGT (Q1–Q3) | 35 mA max - low gate drive requirement compatible with microcontroller GPIO or optocoupler outputs |
| dV/dt (min) | 400 V/µs - immunity to false triggering from fast transients on inductive loads without snubber network |
| Rth(j–c) | 2.7 °C/W - junction-to-case thermal resistance enabling 1.8 W dissipation at 5 K temperature rise above heatsink |
| VTM | 1.55 V max - on-state voltage drop at 8.5 A pulse, limiting conduction loss to ≤13 W at full RMS current |
| I²t (fusing) | 21 A²s - single-pulse surge withstand capability for 10 ms, supporting motor startup inrush currents |
Pinout & Package
Package: TO-220AB insulated - metal tab electrically isolated at 2500 VRMS, UL-certified (File E81734), lead-free ECOPACK® compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 (MT1) | Main Terminal 1 | Reference terminal for gate trigger; connected to load return path in standard AC switch configuration |
| A2 (MT2) | Main Terminal 2 | High-side AC line connection; carries full load current and defines polarity reference for gate triggering |
| G | Gate | Control input for bidirectional turn-on; requires ≥35 mA pulse in QI/QII/QIII for reliable triggering |
Key Features
| Feature | Design Value |
|---|---|
| Snubberless operation | Enables direct drive of inductive loads (e.g., motors, solenoids) without RC snubber networks, reducing BOM count and board space |
| Logic-level gate sensitivity | 35 mA IGT max allows direct interface with 3.3 V/5 V MCUs or low-power optocouplers (e.g., MOC3021) |
| Insulated metal tab | 2500 VRMS isolation meets UL safety standards, eliminating need for insulating hardware in chassis-mounted designs |
| High dV/dt immunity | 400 V/µs minimum prevents false triggering from EMI or inductive kickback in noisy industrial environments |
Applications
| Motor Speed Control | Heating Regulation |
|---|---|
Use Scenario: Variable-speed control of universal or shaded-pole AC motors in fans, pumps, and power tools. IC Role / Device Role / Timing Role: Bidirectional AC switch implementing phase-angle control to adjust RMS voltage applied to motor windings. Use Value: Enables smooth speed ramping with 35 mA gate drive compatibility and snubberless operation on reactive loads. | Use Scenario: Precise temperature maintenance in industrial ovens, soldering irons, and HVAC duct heaters. IC Role / Device Role / Timing Role: Zero-crossing or phase-controlled AC power switch modulating heater element duty cycle. Use Value: Delivers stable thermal output with 600 V blocking margin and 2.7 °C/W thermal resistance for compact heatsink design. |
| Static Relay Replacement | Light Dimming |
Use Scenario: Solid-state replacement for electromechanical relays in PLC output modules and building automation panels. IC Role / Device Role / Timing Role: Fail-safe AC load switch with galvanically isolated gate drive and reinforced tab insulation. Use Value: Provides 2500 VRMS isolation (UL E81734) and 6 A switching capacity without contact wear or bounce. | Use Scenario: Leading-edge dimmer circuits for incandescent and halogen lamps in residential and commercial lighting. IC Role / Device Role / Timing Role: Phase-controlled triac switch synchronized to AC zero-crossing for flicker-free brightness adjustment. Use Value: Supports 400 V/µs dV/dt immunity to prevent misfiring during lamp filament cold-resistance surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triac switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BTB06-600CWRG | Non-insulated TO-220AB package; no 2500 VRMS tab isolation | Requires external insulator when mounting to conductive heatsinks; unsuitable for UL Class II designs | Select when cost-sensitive and mechanical isolation is implemented externally |
| BTA06-600SWRG | 10 mA IGT max (lower gate sensitivity); same 600 V/6 A rating and insulated package | Better suited for ultra-low-power gate drivers but less tolerant of gate signal degradation over long traces | Select when driving from high-impedance sources like phototriac couplers with limited output current |
Compared with BTB06-600CWRG, BTA06-600CWRG provides certified insulation for safety-critical mounting; compared with BTA06-600SWRG, it trades higher gate drive margin (35 mA vs. 10 mA) for improved noise immunity in industrial wiring environments.
Availability
BTA06-600CWRG is available at Aetrix Electronics and suitable for motor speed controllers, heating regulation systems, static relay replacements, and light dimmers requiring stable component supply across industrial OEM production cycles.
Supply support for BTA06-600CWRG 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, MCU, and sensor solutions for industrial, automotive, and consumer markets.
The BTA/BTB06 series belongs to ST's high-reliability power discrete portfolio, engineered specifically for robust AC mains switching in safety-critical and thermally constrained applications.
FAQ
What is the maximum junction temperature for continuous operation?
The BTA06-600CWRG has an operating junction temperature range of –40°C to +125°C. Continuous operation at Tj = 125°C requires maintaining case temperature ≤105°C per absolute maximum ratings, achievable with appropriate heatsinking and airflow per Figure 2 in the datasheet.
Can this triac be used without a heat sink?
At full 6 A RMS load, junction-to-ambient thermal resistance is 60 °C/W - resulting in >360°C temperature rise, exceeding rating. A heatsink is mandatory; minimum recommended Rth(j–a) is ~25 °C/W for ambient ≤40°C, based on derating curves in Figure 1 and Figure 2.
Is the metal tab electrically connected to any internal terminal?
No - the insulated TO-220AB package uses an internal ceramic pad to isolate the metal tab from all semiconductor terminals (A1, A2, G). The tab is rated for 2500 VRMS isolation and may be safely mounted to grounded chassis or heatsinks without additional insulation.
Does this part support four-quadrant triggering?
No - BTA06-600CWRG is a three-quadrant (QI/QII/QIII) snubberless logic-level triac. Quadrant IV triggering is not guaranteed; gate triggering is specified only for positive/negative gate-to-A1 voltage with A2 positive or negative relative to A1, per Table 5.
BTA06-600CWRG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- Snubberless™
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Triac Type:
- Alternistor - Snubberless
- 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):
- 35 mA
- Current - Hold (Ih) (Max):
- 35 mA
- Configuration:
- Single
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220
BTA06-600CWRG FAQ
1.How can I place an order for BTA06-600CWRG through Aetrix?
Please submit a Request for Quotation (RFQ) for BTA06-600CWRG 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 BTA06-600CWRG reliable?
The price and inventory of BTA06-600CWRG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTA06-600CWRG is usually 5 days.
3.What payment methods are accepted for BTA06-600CWRG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTA06-600CWRG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BTA06-600CWRG?
BTA06-600CWRG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BTA06-600CWRG 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 BTA06-600CWRG?
For technical support, including BTA06-600CWRG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTA06-600CWRG requirements.
6.How does Aetrix verify that BTA06-600CWRG is sourced from the original manufacturer or authorized distributors?
All BTA06-600CWRG 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 BTA06-600CWRG meets industry standards.
7.What is the process for return or replacement of BTA06-600CWRG?
All BTA06-600CWRG units undergo pre-shipment inspection (PSI). If there is an issue with BTA06-600CWRG, 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 BTA06-600CWRG part is unused and in its original packaging.
Return procedure for BTA06-600CWRG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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