My Inquiry
My Account
STMicroelectronics T835H-6G-TR
- Part No.:
- T835H-6G-TR
- Manufacturer:
- STMicroelectronics
- Category:
- TRIACs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
T835H-6G-TR.pdf
- Description:
- TRIAC ALTERNISTOR 600V 8A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:380
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
T835H-6G-TR from STMicroelectronics is a snubberless 8 A, 600 V RMS triac in D²PAK package, rated for 150 °C junction temperature operation, with 35 mA max gate trigger current (IGT), 1000 V/µs dV/dt immunity at 150 °C, and low thermal resistance (1.85 °C/W) - designed for universal motor control in vacuum cleaners and washing machine drum drives.
For engineers reviewing the T835H-6G-TR datasheet, T835H-6G-TR pinout, T835H-6G-TR application, or T835H-6G-TR equivalent, this part supports high-density AC switching with reduced heatsink requirements, validated 3-quadrant commutation, and UL-certified insulation up to 2500 VRMS.
Technical Context
This triac operates without external snubbers across all four quadrants, enabling robust phase-angle control in mains-powered universal motors. Its internal ceramic pad ensures 2500 VRMS isolation, and clip-bonding delivers low Rth(j-c) of 1.85 °C/W for sustained 8 A RMS conduction at TC = 133 °C.
It sustains critical dI/dt ≥11 A/ms and dV/dt ≥1000 V/µs at Tj = 150 °C, with guaranteed turn-off commutation up to 150 °C - key for thermally constrained motor drive PCBs where traditional triacs require derating or forced cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 8 A - Sustains full-sine AC load current without derating at TC = 133 °C |
| VDRM / VRRM | 600 V - Blocks peak mains voltage (≈848 V) with 40 % safety margin |
| IGT (max) | 35 mA - Low gate drive requirement compatible with standard MCU GPIO or optocoupler outputs |
| dV/dt (min) | 1000 V/µs at Tj = 150 °C - Resists false triggering from fast transients in noisy motor environments |
| Rth(j-c) | 1.85 °C/W - Enables compact heatsinking; 10 W dissipation raises case only ~18.5 °C |
| (dI/dt)c (min) | 11 A/ms - Ensures reliable commutation during zero-crossing switching of inductive loads |
| VTM (max) | 1.5 V at ITM = 11 A - Limits conduction loss to <16.5 W at peak current, reducing thermal stress |
Pinout & Package
D²PAK (TO-263) surface-mount package with isolated tab; thermal pad on underside for PCB copper conduction cooling; 3-pin configuration (A1, A2, G) with A2 electrically connected to tab.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Main terminal 1 (MT1) | Reference electrode for gate trigger; connects to load return or neutral side |
| A2 | Main terminal 2 (MT2) | High-side main current path; internally bonded to metal tab for thermal conduction |
| G | Gate | Controls conduction onset; triggers in all quadrants with ≤35 mA pulse |
Key Features
| Feature | Design Value |
|---|---|
| Snubberless operation | Eliminates external RC snubber components across all quadrants, reducing BOM count and board space |
| 150 °C junction rating | Enables full 8 A RMS output in sealed enclosures without active cooling or oversized heatsinks |
| Low Rth(j-c) = 1.85 °C/W | Permits direct mounting to 1 cm² copper area for thermal management - no bolted heatsink required |
| 2500 VRMS isolation | Meets reinforced insulation requirements for Class I appliances without additional barrier design |
| UL certification (E81734) | Validates safety compliance for end-equipment approval in North American markets |
Applications
| Vacuum Cleaner Motor Control | Washing Machine Drum Drive |
|---|---|
|
Use Scenario: Variable-speed suction control via phase-cut dimming of universal motor. IC Role / Device Role / Timing Role: Main AC power switch triggered by microcontroller-driven zero-crossing timing and gate pulse width modulation. Use Value: Snubberless operation eliminates 2–3 passive components per channel; 150 °C rating allows PCB-integrated thermal design without mechanical heatsink. |
Use Scenario: Bidirectional speed and torque regulation of drum motor during spin and wash cycles. IC Role / Device Role / Timing Role: High-reliability AC switching element handling 8 A RMS surges during load transitions and unbalanced spin. Use Value: 11 A/ms (dI/dt)c ensures clean commutation during rapid direction reversal; UL-certified isolation meets IEC 60335-1 appliance safety standards. |
| Industrial Fan Speed Regulator | Power Tool Motor Controller |
|
Use Scenario: Compact, fan-cooled HVAC blower control operating continuously at elevated ambient temperatures. IC Role / Device Role / Timing Role: Mains-switching triac interfaced with analog dimmer IC or MCU-based firing angle generator. Use Value: 1000 V/µs dV/dt immunity prevents false triggering from EMI generated by nearby brush-commutated motors. |
Use Scenario: Corded drill or grinder with variable torque and soft-start functionality. IC Role / Device Role / Timing Role: Primary AC power switch subjected to frequent inrush currents and mechanical vibration. Use Value: Clip-bonded construction improves mechanical robustness and thermal cycling endurance vs. wire-bonded alternatives; RoHS-compliant lead-free finish. |
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 |
|---|---|---|---|
| BTB16-600CW | 16 A rating, TO-220 package, higher IGT (50 mA), Rth(j-c) = 2.5 °C/W | Requires larger heatsink; better suited for higher-current single-phase pumps | Select when >10 A RMS load current or through-hole assembly is mandatory |
| T835H-6T | Same die, TO-220AB package, no isolation, Rth(j-c) = 1.85 °C/W, but tab is electrically live | Needs creepage/clearance compliance measures; unsuitable for double-insulated appliances | Select only for cost-sensitive industrial controls where isolation is handled externally |
Compared with BTB16-600CW and T835H-6T, the T835H-6G-TR uniquely combines D²PAK surface-mount compatibility, reinforced 2500 VRMS isolation, and optimized thermal performance - making it the preferred choice for space-constrained, safety-critical consumer motor drives.
Availability
T835H-6G-TR is available at Aetrix Electronics and suitable for vacuum cleaner motor control, washing machine drum drives, industrial fan regulators, and corded power tool controllers requiring stable component supply and long-term production continuity.
Supply support for T835H-6G-TR 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 automotive, industrial, and consumer markets.
The T835H-6G-TR belongs to ST's Snubberless™ Triac family, engineered specifically for high-temperature, high-power-density AC motor control - emphasizing reliability, safety certification, and thermal efficiency in cost-sensitive white goods.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The T835H-6G-TR is rated for continuous operation up to 150 °C junction temperature, verified under full 8 A RMS conduction at TC = 133 °C. This enables use in sealed enclosures without forced air cooling, provided PCB copper area and layout meet ST's recommended thermal footprint for D²PAK.
Does this triac require a snubber circuit?
No - the T835H-6G-TR is explicitly designed as a snubberless triac, with validated 3-quadrant commutation capability and ≥1000 V/µs dV/dt immunity at 150 °C. External snubbers are unnecessary for typical universal motor loads, though may still be used for extreme EMI suppression in shared power rails.
Is the D²PAK tab electrically isolated?
Yes - the D²PAK package features an internal ceramic insulating layer between the die and the metal tab, providing 2500 VRMS isolation. The tab (A2) is safe to mount directly to grounded copper planes without additional insulation, satisfying reinforced insulation requirements per IEC 60335-1.
How does the gate trigger sensitivity compare to standard triacs?
The T835H-6G-TR has a maximum IGT of 35 mA at 12 V, significantly lower than legacy 8 A triacs (typically 50–100 mA). This allows direct drive from low-power microcontrollers or compact optocouplers like MOC3021, reducing gate driver complexity and component count.
T835H-6G-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- Snubberless™
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Triac Type:
- Alternistor - Snubberless
- Voltage - Off State:
- 600 V
- Current - On State (It (RMS)) (Max):
- 8 A
- Voltage - Gate Trigger (Vgt) (Max):
- 1 V
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 80A, 84A
- Current - Gate Trigger (Igt) (Max):
- 35 mA
- Current - Hold (Ih) (Max):
- 35 mA
- Configuration:
- Single
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
T835H-6G-TR FAQ
1.How can I place an order for T835H-6G-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for T835H-6G-TR 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 T835H-6G-TR reliable?
The price and inventory of T835H-6G-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T835H-6G-TR is usually 5 days.
3.What payment methods are accepted for T835H-6G-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T835H-6G-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for T835H-6G-TR?
T835H-6G-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your T835H-6G-TR 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 T835H-6G-TR?
For technical support, including T835H-6G-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T835H-6G-TR requirements.
6.How does Aetrix verify that T835H-6G-TR is sourced from the original manufacturer or authorized distributors?
All T835H-6G-TR 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 T835H-6G-TR meets industry standards.
7.What is the process for return or replacement of T835H-6G-TR?
All T835H-6G-TR units undergo pre-shipment inspection (PSI). If there is an issue with T835H-6G-TR, 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 T835H-6G-TR part is unused and in its original packaging.
Return procedure for T835H-6G-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
T835H-6G-TR Tags
-
Z0103NN5AA4
STMicroelectronics
-
Z0107MNT1G
Littelfuse Inc.
-
Z0103MNT1G
Littelfuse Inc.
;;2.jpg)
-
T405-800B-TR
STMicroelectronics
-
T835-600B-TR
STMicroelectronics
.JPG)
-
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
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
