STMicroelectronics BTA06T-600CWRG
- Part No.:
- BTA06T-600CWRG
- Manufacturer:
- STMicroelectronics
- Category:
- TRIACs
- Package:
- TO-220-3
- Datasheet:
-
BTA06T-600CWRG.pdf
- Description:
- TRIAC ALTERNISTOR 600V 6A TO220
- Quantity:
- Payment:

- Shipping:

Inventory:52
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BTA06T-600CWRG from STMicroelectronics is a 6 A, 600 V Snubberless™ triac in an insulated TO-220AB package, rated for 2500 Vrms isolation, with 35 mA gate trigger current (IGT) and 750 V/µs dV/dt immunity at 125 °C. It is designed for AC mains switching in power tools, motor speed controllers, electrovalves, and light dimmers.
For engineers reviewing the BTA06T-600CWRG datasheet, BTA06T-600CWRG pinout, BTA06T-600CWRG application, or BTA06T-600CWRG equivalent, key selection criteria include snubberless operation, high commutation robustness, insulated package safety rating, and 3-quadrant triggering capability for phase-control reliability in noisy industrial environments.
Technical Context
This triac operates in three quadrants (I, II, III) without external snubbers, enabling simplified AC switching designs. Its 8.0 A/ms critical di/dt (without snubber) and 750 V/µs dV/dt immunity at Tj = 125 °C ensure reliable turn-on and commutation under fast transient conditions.
The device features fully insulated packaging (2500 Vrms isolation), UL1557 certification (File #81734), and RoHS-compliant lead-free construction. Gate threshold voltage (VGT) is ≤1.3 V at 25 °C, and on-state voltage drop is ≤1.6 V at 8.5 A, supporting low conduction loss in continuous-duty applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 6 A - Sustained AC load current capability at Tc = 100 °C, suitable for continuous motor control and heating loads. |
| VDRM/VRRM | 600 V - Peak repetitive off-state blocking voltage, enabling direct use on 230 VAC mains with margin. |
| IGT | 35 mA max - Low gate drive requirement compatible with standard microcontroller GPIO or optocoupler outputs. |
| dV/dt | 750 V/µs min at Tj = 125 °C - High noise immunity prevents false triggering in EMI-prone power tool and appliance environments. |
| (dI/dt)c | 8.0 A/ms min without snubber - Enables robust commutation during zero-crossing switching, eliminating need for external RC snubbers. |
| Rth(j-c) | 3.4 °C/W - Thermal resistance enables efficient heat transfer to heatsink, supporting 6 A RMS operation with modest thermal management. |
| VTM | 1.6 V max at 8.5 A - Low conduction loss reduces self-heating and improves system efficiency in duty-cycled AC loads. |
Pinout & Package
Package: TO-220AB insulated, epoxy-molded, UL94 V0 rated, with 2500 Vrms isolation between case and terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 (MT1) | Main Terminal 1 | Reference terminal for gate triggering; polarity-sensitive in Quadrant I/III operation. |
| A2 (MT2) | Main Terminal 2 | Current return path; voltage polarity relative to A1 determines triggering quadrant. |
| G | Gate | Controls conduction onset; triggers in all three quadrants (I, II, III) with ≤35 mA pulse. |
Key Features
| Feature | Design Value |
|---|---|
| Snubberless operation | Eliminates external RC snubber components, reducing BOM count and PCB area in AC phase-control circuits. |
| 3-quadrant triggering | Enables gate control in Quadrants I, II, and III-improving noise immunity and reducing false triggering vs. 4Q triacs in high-dV/dt environments. |
| UL1557 certification | Validated reinforced insulation (File #81734) supports safety-critical end equipment compliance without additional barrier design. |
| Insulated TO-220AB package | 2500 Vrms isolation allows direct mounting to heatsinks without insulating washers, simplifying thermal design and assembly. |
| High commutation robustness | Guaranteed (dI/dt)c ≥8.0 A/ms and dV/dt ≥750 V/µs at 125 °C ensures reliable turn-off in inductive motor and transformer loads. |
Applications
| Power Tools | Motor Speed Controllers |
|---|---|
Use Scenario: Variable-speed drilling, grinding, and sanding tools powered from 230 VAC mains. IC Role / Device Role / Timing Role: Main AC power switch controlling motor voltage via phase-angle modulation. Use Value: Snubberless operation eliminates snubber losses and component stress during frequent start/stop cycles and brush-commutator noise. |
Use Scenario: Fan and pump speed regulation in HVAC and industrial ventilation systems. IC Role / Device Role / Timing Role: Bidirectional AC switch synchronized to zero-crossing for smooth torque control. Use Value: 3-quadrant triggering ensures stable turn-on even under high line transients common in shared industrial power feeds. |
| Kitchen Electrovalves | Light Dimmers |
Use Scenario: Solenoid valve actuation in dishwashers and washing machines for water inlet control. IC Role / Device Role / Timing Role: On/off AC switch triggered by MCU-driven optocoupler for precise timing of fluid flow. Use Value: Low IGT (35 mA) enables direct drive from low-power isolation stages, reducing gate driver complexity. |
Use Scenario: Leading-edge dimming of incandescent and halogen lamps in residential lighting. IC Role / Device Role / Timing Role: Phase-controlled AC switch modulating RMS voltage delivered to lamp filament. Use Value: High dV/dt immunity (750 V/µs) prevents misfiring caused by lamp filament inrush and EMI from nearby switching loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triac-based AC switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BTB06-600CW | Non-insulated TO-220AB package (no 2500 Vrms isolation); identical electrical specs. | Requires insulating hardware when mounted to conductive heatsinks; unsuitable where reinforced insulation is mandated. | Select when cost sensitivity outweighs safety certification needs and mechanical isolation can be implemented externally. |
| Z0106MN | 600 V, 6 A triac in TO-92 package; IGT = 50 mA; no UL1557 certification; lower thermal capability (Rth(j-a) ≈ 100 °C/W). | Limited to low-power, non-isolated, ambient-cooled applications (e.g., small signal AC switches). | Use only for space-constrained, low-current (<1 A RMS), non-safety-critical functions where isolation and thermal performance are secondary. |
Compared with BTB06-600CW and Z0106MN, BTA06T-600CWRG uniquely delivers certified reinforced insulation, snubberless operation, and industrial-grade thermal robustness-making it the only choice for safety-compliant, high-reliability AC mains switching in power tools and appliances.
Availability
BTA06T-600CWRG is available at Aetrix Electronics and suitable for power tools, motor speed controllers, and kitchen electrovalves requiring stable component supply, long-term manufacturability, and safety-certified isolation.
Supply support for BTA06T-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.
BTA06T-600CWRG belongs to ST's Snubberless™ triac product line, engineered specifically for robust, simplified AC switching in cost-sensitive, high-noise, safety-regulated applications like power tools and home appliances.
FAQ
Is BTA06T-600CWRG compatible with zero-crossing SSR drivers?
No-it is a phase-control triac requiring leading-edge triggering, not zero-crossing switching. Its gate must be pulsed at a controlled phase angle relative to the AC waveform to regulate power. Zero-crossing drivers lack the timing precision needed and may fail to trigger reliably due to insufficient gate energy at voltage peaks.
What is the maximum allowable case temperature for continuous 6 A RMS operation?
The datasheet specifies IT(RMS) = 6 A at Tc = 100 °C. Exceeding this temperature requires derating: at Tc = 110 °C, maximum sustainable current drops to ~5.2 A; at 125 °C, it falls below 4 A. Thermal design must maintain case temperature ≤100 °C under full load, verified via Rth(j-c) = 3.4 °C/W and junction limit of 125 °C.
Does the "C" in BTA06T-600CWRG indicate gate sensitivity level?
Yes-the "C" denotes IGT = 35 mA (standard sensitivity), per ST's ordering scheme. Other variants include "B" (50 mA) and "D" (15 mA). This value is guaranteed maximum at 25 °C and rises with junction temperature, reaching ~1.8× IGT at 125 °C per Figure 5 in the datasheet.
Can BTA06T-600CWRG replace a BT136-600E in an existing design?
Only with circuit review: BT136-600E is a 4A, 600V, 4-quadrant triac in TO-92. BTA06T-600CWRG offers higher current (6A), insulated package, and 3-quadrant operation. Direct replacement requires verifying gate drive compatibility (35 mA vs. 5–15 mA), thermal interface (TO-220AB vs. TO-92), and whether 4Q triggering was essential for noise immunity in the original design.
BTA06T-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):
- 45A, 47A
- 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-220AB Insulated
BTA06T-600CWRG FAQ
1.How can I place an order for BTA06T-600CWRG through Aetrix?
Please submit a Request for Quotation (RFQ) for BTA06T-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 BTA06T-600CWRG reliable?
The price and inventory of BTA06T-600CWRG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTA06T-600CWRG is usually 5 days.
3.What payment methods are accepted for BTA06T-600CWRG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTA06T-600CWRG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BTA06T-600CWRG?
BTA06T-600CWRG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BTA06T-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 BTA06T-600CWRG?
For technical support, including BTA06T-600CWRG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTA06T-600CWRG requirements.
6.How does Aetrix verify that BTA06T-600CWRG is sourced from the original manufacturer or authorized distributors?
All BTA06T-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 BTA06T-600CWRG meets industry standards.
7.What is the process for return or replacement of BTA06T-600CWRG?
All BTA06T-600CWRG units undergo pre-shipment inspection (PSI). If there is an issue with BTA06T-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 BTA06T-600CWRG part is unused and in its original packaging.
Return procedure for BTA06T-600CWRG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BTA06T-600CWRG Tags

-
Z0103NN5AA4
STMicroelectronics

-
Z0107MNT1G
Littelfuse Inc.

-
Z0103MNT1G
Littelfuse Inc.
;;2.jpg)
-
T405-800B-TR
STMicroelectronics
;;2.jpg)
-
T835-600B-TR
STMicroelectronics
-
2N6073BG
Littelfuse Inc.
-
2N6075BG
Littelfuse Inc.
-
BTA08-600CWRG
STMicroelectronics

-
T835H-6G-TR
STMicroelectronics
-
BTA16-800BRG
STMicroelectronics

-
T1210-800G-TR
STMicroelectronics

-
MAC4DHMT4G
Littelfuse Inc.
Tech Hub
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
