My Inquiry
My Account
STMicroelectronics T1635-700G-TR
- Part No.:
- T1635-700G-TR
- Manufacturer:
- STMicroelectronics
- Category:
- TRIACs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
T1635-700G-TR.pdf
- Description:
- TRIAC ALTERNISTOR 700V 16A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:1,302
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
T1635-700G-TR from STMicroelectronics is a snubberless, logic-level 16 A, 700 V RMS triac in D²PAK (TO-263) surface-mount package, designed for AC phase control and switching in inductive loads. It features 35 mA maximum gate trigger current (IGT), 500 V/µs minimum dV/dt immunity at 125°C, and 1.55 V max on-state voltage at 22.5 A, enabling reliable operation in motor speed controllers and heating regulation circuits.
For engineers reviewing the T1635-700G-TR datasheet, T1635-700G-TR pinout, T1635-700G-TR application, or T1635-700G-TR equivalent, key selection criteria include snubberless commutation capability for inductive loads, low IGT compatibility with microcontroller GPIOs, thermal resistance (Rth(j-c) = 1.2 °C/W), and D²PAK mounting suitability for high-power density PCB layouts.
Technical Context
This triac operates in three quadrants (I, II, III) and is optimized for snubberless commutation-critical for driving inductive loads like AC motors and solenoids without external RC snubbers. Its 500 V/µs dV/dt rating at 125°C and 8.5 A/ms critical rate of decrease of on-state current (dI/dt)c ensure robust turn-off under reactive load conditions.
The device integrates an internal ceramic pad for enhanced thermal performance and uses standard triac triggering architecture with gate-controlled conduction initiation. Its 1.2 °C/W junction-to-case thermal resistance and 45 °C/W junction-to-ambient (S = 1 cm²) support sustained 16 A RMS operation when properly heatsinked on FR4 PCBs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 16 A RMS - supports continuous AC load switching up to 3.5 kW at 230 VAC. |
| VDRM / VRRM | 700 V - blocks peak line voltages up to 495 VAC RMS with safety margin for 230 VAC mains. |
| IGT (Q1) | 35 mA max - compatible with 3.3 V/5 V MCU GPIOs without external driver transistors. |
| dV/dt (min) | 500 V/µs at Tj = 125°C - eliminates false triggering during fast voltage transients on inductive loads. |
| Rth(j-c) | 1.2 °C/W - enables efficient heat transfer to external heatsink via D²PAK tab mounting. |
| VTM | 1.55 V max at ITM = 22.5 A - limits conduction loss to ≤35 W at full surge, reducing thermal stress. |
| (dI/dt)c | 8.5 A/ms at Tj = 125°C - ensures reliable commutation off-state recovery with inductive back-EMF. |
Pinout & Package
Package: D²PAK (TO-263), surface-mount, isolated copper tab (non-insulated version), 3-terminal configuration with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 (MT1) | Main Terminal 1 | Reference terminal for gate trigger; connects to load return or neutral side in AC circuits. |
| A2 (MT2) | Main Terminal 2 | High-side main current path; connects to AC line or hot side; carries full load current. |
| G | Gate | Low-energy trigger input; 35 mA pulse initiates conduction in Quadrants I, II, and III. |
Key Features
| Feature | Design Value |
|---|---|
| Snubberless commutation | Validated for inductive loads without external RC snubber networks-reduces BOM count and board space. |
| Logic-level gate sensitivity | 35 mA IGT max enables direct drive from 3.3 V/5 V microcontrollers, eliminating level-shifting circuitry. |
| D²PAK thermal performance | 1.2 °C/W Rth(j-c) allows 16 A RMS operation with minimal heatsinking on standard FR4 PCBs. |
| Three-quadrant operation | Supports triggering only in Quadrants I, II, and III-improves noise immunity and reduces false turn-on risk. |
Applications
| AC Motor Speed Control | Industrial Heating Regulation |
|---|---|
|
Use Scenario: Variable-speed control of single-phase induction motors in HVAC blowers and pumps. IC Role / Device Role / Timing Role: Main AC power switch performing phase-angle control synchronized to zero-crossing detection. Use Value: Snubberless operation prevents voltage spikes during motor coil de-energization, eliminating snubber losses and capacitor aging. |
Use Scenario: Precise temperature maintenance in resistive heating elements of ovens, soldering stations, and plastic extruders. IC Role / Device Role / Timing Role: High-current AC switch modulating power delivery via burst-fire or phase-control dimming. Use Value: 16 A RMS rating and 1.55 V VTM enable stable 3.5 kW output with <1.5% conduction loss at full load. |
| Light Dimmer Modules | Static Relay Replacement |
|
Use Scenario: Mains-connected LED and incandescent lamp dimmers in residential and commercial lighting systems. IC Role / Device Role / Timing Role: Phase-controlled AC switch triggered by microcontroller-generated firing angle signals. Use Value: 35 mA IGT ensures compatibility with low-power MCU outputs, reducing system power supply burden. |
Use Scenario: Solid-state replacement for electromechanical relays in PLC output modules and building automation panels. IC Role / Device Role / Timing Role: Zero-crossing–compatible AC switch providing silent, bounce-free ON/OFF switching. Use Value: 700 V blocking voltage and 168 A non-repetitive surge rating withstand inrush currents from capacitive and inductive 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 |
|---|---|---|---|
| BTA16-700CWRG | TO-220AB insulated package; 25 mA IGT; 400 V/µs dV/dt at 125°C. | Requires heatsink mounting; higher gate drive margin but lower dV/dt immunity than T1635-700G-TR. | Select when UL-rated isolation (2500 V RMS) and through-hole assembly are required. |
| T1635-700G | Same D²PAK package and electrical specs, but supplied in tube (not tape-and-reel). | No functional difference; differs only in packaging format and reel quantity (1000 vs. 50 units). | Select for manual prototyping or low-volume SMT lines without pick-and-place feeders. |
Compared with BTA16-700CWRG, T1635-700G-TR offers superior dV/dt immunity and surface-mount efficiency; versus T1635-700G, it provides automated assembly readiness with EIA-481-compliant tape-and-reel packaging.
Availability
T1635-700G-TR is available at Aetrix Electronics and suitable for AC motor control, industrial heating regulation, light dimming, and static relay replacement requiring stable component supply across production lifecycles.
Supply support for T1635-700G-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, specializing in power, analog, MEMS, and microcontroller technologies for industrial, automotive, and consumer markets.
The T16 series belongs to ST's high-reliability AC power switching portfolio, engineered specifically for snubberless operation in inductive and resistive AC loads with emphasis on thermal robustness and gate-drive simplicity.
FAQ
Is T1635-700G-TR compatible with zero-crossing trigger circuits?
Yes. The device supports both phase-control and zero-crossing switching modes. Its 35 mA IGT and three-quadrant operation allow clean turn-on near voltage zero-crossings when paired with appropriate gate timing circuitry, minimizing EMI and inrush current.
What is the maximum allowable case temperature for continuous 16 A RMS operation?
The datasheet specifies IT(RMS) = 16 A at Tc = 100°C for D²PAK packages. To sustain this current continuously, the case temperature must not exceed 100°C, requiring adequate copper area (≥1 cm²) and/or external heatsinking per the Rth(j-c) = 1.2 °C/W thermal path.
Does T1635-700G-TR require a heatsink in typical PCB applications?
A heatsink is not mandatory but strongly recommended for sustained 16 A RMS loads. With 1 cm² copper area on FR4, junction temperature rises ~72°C above ambient at full load; adding a clip-on or bonded heatsink keeps Tj within the 125°C limit and improves long-term reliability.
Can T1635-700G-TR replace BTA16-700B in existing designs?
No-BTA16-700B is a 4-quadrant, 50 mA IGT, TO-220AB part with lower dV/dt immunity (200 V/µs) and no snubberless optimization. Direct replacement risks false triggering and commutation failure on inductive loads; redesign for gate drive and layout is required.
T1635-700G-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:
- 700 V
- Current - On State (It (RMS)) (Max):
- 16 A
- Voltage - Gate Trigger (Vgt) (Max):
- 1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 160A, 168A
- 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:
- Surface Mount
- Supplier Device Package:
- D2PAK
T1635-700G-TR FAQ
1.How can I place an order for T1635-700G-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for T1635-700G-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 T1635-700G-TR reliable?
The price and inventory of T1635-700G-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T1635-700G-TR is usually 5 days.
3.What payment methods are accepted for T1635-700G-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T1635-700G-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for T1635-700G-TR?
T1635-700G-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your T1635-700G-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 T1635-700G-TR?
For technical support, including T1635-700G-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T1635-700G-TR requirements.
6.How does Aetrix verify that T1635-700G-TR is sourced from the original manufacturer or authorized distributors?
All T1635-700G-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 T1635-700G-TR meets industry standards.
7.What is the process for return or replacement of T1635-700G-TR?
All T1635-700G-TR units undergo pre-shipment inspection (PSI). If there is an issue with T1635-700G-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 T1635-700G-TR part is unused and in its original packaging.
Return procedure for T1635-700G-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
T1635-700G-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
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
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…
