STTH112A

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STTH112A

+Nomenclature

DIODE GEN PURP 1.2KV 1A SMA

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
DiodeType Standard
Voltage-DCReverse(Vr)(Max) 1200 V
Current-AverageRectified(Io) 1A
Voltage-Forward(Vf)(Max)@If 1.9 V @ 1 A
Speed Fast Recovery =< 500ns, > 200mA (Io)
ReverseRecoveryTime(trr) 75 ns
Current-ReverseLeakage@Vr 5 µA @ 1200 V
MountingType Surface Mount
Package/Case DO-214AC, SMA
SupplierDevicePackage SMA

Présentation

Description

The STTH112A is a high-efficiency ultrafast recovery diode designed for switching power supplies, inverters, and other high-frequency applications. Key features include:
- Ultrafast recovery time (typically 35 ns) for reduced switching losses.
- Low forward voltage drop (1.15V at 1A) for improved efficiency.
- High surge current capability (30A non-repetitive).
- TO-220AC package for easy mounting and heat dissipation.
It is commonly used in SMPS (Switched-Mode Power Supplies), freewheeling diodes, and snubber circuits. The STTH112A is part of STMicroelectronics' STTH series, optimized for performance in high-speed switching environments.
For detailed specifications, refer to the datasheet from STMicroelectronics.

Equivalent

The STTH112A is a high-voltage ultrafast diode. Equivalent alternatives include:
- STTH112 (same series, slightly different specs)
- BYV29E-200 (similar ultrafast diode)
- MUR1620CT (dual diode, comparable specs)
- ES1D (lower current but similar voltage)
- UF4007 (general-purpose ultrafast diode)
Check datasheets for exact voltage, current, and switching characteristics before substitution.

Pinout

The STTH112A is a dual ultrafast diode in a SOT-23 package with 3 pins.
Pin Functions:
1. Pin 1 (Anode 1): Anode of the first diode.
2. Pin 2 (Common Cathode): Shared cathode for both diodes.
3. Pin 3 (Anode 2): Anode of the second diode.
Key Features:
- Ultrafast recovery (typically 35 ns).
- High efficiency for switching applications.
- Low forward voltage drop.
Commonly used in rectification, freewheeling, and snubber circuits.

Manufacturer

The STTH112A is a high-efficiency ultrafast diode manufactured by STMicroelectronics.
STMicroelectronics is a multinational semiconductor company headquartered in Geneva, Switzerland. It designs, manufactures, and sells a wide range of semiconductor products, including microcontrollers, sensors, power management ICs, and discrete components like diodes and transistors. The company serves industries such as automotive, industrial, consumer electronics, and IoT.
STMicroelectronics is known for its innovation in energy-efficient and high-performance semiconductor solutions.

Application

The STTH112A is a high-efficiency ultrafast diode commonly used in:
1. Power Supplies – SMPS, PFC circuits.
2. Inverters – Solar, motor drives.
3. Automotive – EV charging, DC-DC converters.
4. Industrial Electronics – Welding machines, UPS systems.
5. Consumer Electronics – Adapters, LED drivers.
Its ultrafast recovery and low forward voltage make it ideal for high-frequency switching applications.

Package

The STTH112A is a high-efficiency ultrafast diode typically available in a TO-220AC package. This package is a through-hole, industry-standard design with a single lead frame, suitable for heat dissipation via a heatsink. It is commonly used in power rectification and switching applications. The TO-220AC variant includes an isolated tab for easier mounting.

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