T835H-8G footprint, schematic symbol and 3D model by STMicroelectronics

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T835H-8G - STMicroelectronics PCB footprint - Other - Other - D2PAK_2025-66

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Part Number T835H-8G
Manufacturer STMicroelectronics
Pin Count 3
Part Category Triac A
Package Category Other
Footprint Name Other - D2PAK_2025-66
Released Date Aug 30, 2022
Last Modified Date Jan 8, 2026 2:31 PM UTC
Pinout / Pin List Click Here (Member Only)

T835H-8G Details

Manufacturer Part Number:
T835H-8G
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
D2PAK-3/2
Country Of Origin:
Mainland China
ECCN Code:
EAR99
HTS Code:
8541.30.00.80
Factory Lead Time:
15 Weeks
Manufacturer:
STMicroelectronics
YTEOL:
6
Case Connection:
MAIN TERMINAL 2
Configuration:
SINGLE
Critical Rate of Rise of Off-State Voltage-Min:
2000 V/us
DC Gate Trigger Current-Max:
35 mA
DC Gate Trigger Voltage-Max:
1.3 V
Holding Current-Max:
35 mA
JESD-30 Code:
R-PSSO-G2
JESD-609 Code:
e3
Moisture Sensitivity Level:
1
Number of Elements:
1
Number of Terminals:
2
On-State Voltage-Max:
1.5 V
Operating Temperature-Max:
150 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
245
RMS On-state Current-Max:
8 A
Repetitive Peak Off-state Voltage:
800 V
Surface Mount:
YES
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Position:
SINGLE
Trigger Device Type:
TRIAC

T835H-8G Frequently Asked Questions (FAQs)

STMicroelectronics provides a recommended PCB layout in their application note AN5046, which includes guidelines for thermal pad connection, thermal vias, and copper pouring to ensure optimal thermal performance.
The thermal shutdown feature is enabled by default. To handle it, monitor the TSD (Thermal Shutdown) pin, which goes low when the device reaches the thermal shutdown temperature (typically 150°C). When TSD is low, the device is disabled, and the output voltage is reduced to prevent overheating. Once the device cools down, the TSD pin goes high, and the device resumes normal operation.
STMicroelectronics recommends using a low-ESR ceramic capacitor (X5R or X7R dielectric) with a value between 1 μF and 10 μF, depending on the input voltage and output current requirements. A larger capacitor value can help reduce input voltage ripple and improve transient response.
To ensure stability, follow the recommended output capacitor value and type (typically 10 μF to 22 μF, X5R or X7R dielectric), and keep the output capacitor close to the regulator. Additionally, ensure that the output voltage is not loaded with a high-Q resonant circuit, and avoid using long output traces or cables that can cause oscillations.
The T835H-8G can tolerate input voltage ripple up to 1 V peak-to-peak, but it's recommended to keep the input voltage ripple below 0.5 V peak-to-peak to ensure stable operation and prevent output voltage deviations.

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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