BAT54HT1G

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BAT54HT1G

+BOM

RECTIFIER DIODE, SCHOTTKY, 0.2A

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Specifications

Attribute Value
Package 1
Series Bulk
DiodeType Active
Voltage-DCReverse(Vr)(Max) Schottky
Current-AverageRectified(Io) 30 V
Voltage-Forward(Vf)(Max)@If 200mA (DC)
Speed 800 mV @ 100 mA
ReverseRecoveryTime(trr) Small Signal =< 200mA (Io), Any Speed
Current-ReverseLeakage@Vr 5 ns
Capacitance@VrF 2 µA @ 25 V
MountingType 10pF @ 1V, 1MHz
Package/Case Surface Mount
SupplierDevicePackage SC-76, SOD-323

Overview

Description

The BAT54HT1G is a Schottky barrier diode from ON Semiconductor, designed for high-speed switching and low-power applications. It features a dual common-cathode configuration with two diodes in a single SOT-23 package, offering low forward voltage drop (0.32V typical) and fast switching speeds, making it ideal for signal clamping, rectification, and protection circuits.
Key specifications:
- Reverse voltage (VR): 30V
- Forward current (IF): 200mA per diode
- Low leakage current (IR): 0.5µA max
- Operating temperature: -55°C to +150°C
Its small form factor and efficiency suit portable electronics, power management, and RF applications. The BAT54HT1G is a cost-effective, reliable choice for designs requiring minimal power loss and compact packaging.

Equivalent

Equivalent products to the BAT54HT1G (Schottky diode) include:
- BAT54S (Similar dual series configuration)
- BAT54C (Common cathode variant)
- BAT54A (Common anode variant)
- 1N5819 (Higher current, single diode)
- SS14 (SMD Schottky, similar specs)
Check datasheets for exact voltage/current ratings.

Pinout

The BAT54HT1G is a Schottky barrier diode in a SOT-23 package with 3 pins. It consists of a common cathode dual-diode configuration (two diodes sharing a common cathode).
### Pin Functions (SOT-23 Pinout):
1. Pin 1 (Anode of Diode 1)
2. Pin 2 (Common Cathode for both diodes)
3. Pin 3 (Anode of Diode 2)
### Key Features:
- Low forward voltage drop (~0.32V at 1mA)
- High-speed switching
- Max reverse voltage: 30V
- Continuous current: 200mA per diode
Commonly used in signal switching, rectification, and protection circuits.

Manufacturer

The BAT54HT1G is manufactured by ON Semiconductor, now known as onsemi after rebranding in 2021.
onsemi is a global semiconductor company specializing in power management, analog, and sensor technologies. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient solutions.
The BAT54HT1G is a Schottky diode designed for high-speed switching applications.

Application

The BAT54HT1G, a Schottky diode, is widely used in:
1. Signal Clipping & Clamping – Protects circuits from voltage spikes.
2. Switching Circuits – Fast switching in digital/logic circuits.
3. Power Management – Reverse polarity protection in DC supplies.
4. RF & Mixer Applications – Low forward voltage drop aids high-frequency performance.
5. Portable Electronics – Used in smartphones, tablets for efficient power handling.
Its low leakage and compact SOT-23 package make it ideal for space-constrained, high-efficiency designs.

Package

The BAT54HT1G is a Schottky diode available in a SOT-23 surface-mount package. This compact 3-pin package is widely used for small-signal applications, offering efficient space utilization on PCBs. The SOT-23 is suitable for automated assembly and provides reliable performance in high-speed switching circuits.

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