Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| DiodeType | Schottky |
| Voltage-DCReverse(Vr)(Max) | 30 V |
| Current-AverageRectified(Io) | 200mA (DC) |
| Voltage-Forward(Vf)(Max)@If | 800 mV @ 100 mA |
| Speed | Small Signal =< 200mA (Io), Any Speed |
| ReverseRecoveryTime(trr) | 5 ns |
| Current-ReverseLeakage@Vr | 2 µA @ 25 V |
| Capacitance@VrF | 10pF @ 1V, 1MHz |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
| SupplierDevicePackage | SOT-23-3 (TO-236) |
Overview
Description
The BAT54LT1G 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 compact SOT-23 package.
### Key Specifications:
- Type: Schottky Diode (Dual, Common Cathode)
- Max Reverse Voltage (VR): 30V
- Forward Current (IF): 200mA per diode
- Low Forward Voltage (VF): ~0.32V (at 1mA)
- Fast Switching Speed
### Applications:
- Signal clamping
- Reverse polarity protection
- High-frequency rectification
- Low-voltage circuits
Its small size and efficiency make it ideal for portable electronics, power management, and RF circuits.
### Key Specifications:
- Type: Schottky Diode (Dual, Common Cathode)
- Max Reverse Voltage (VR): 30V
- Forward Current (IF): 200mA per diode
- Low Forward Voltage (VF): ~0.32V (at 1mA)
- Fast Switching Speed
### Applications:
- Signal clamping
- Reverse polarity protection
- High-frequency rectification
- Low-voltage circuits
Its small size and efficiency make it ideal for portable electronics, power management, and RF circuits.
Equivalent
Equivalent products to the BAT54LT1G (Schottky diode) include:
- BAT54C (Similar dual series configuration)
- BAT54S (Single diode, different pinout)
- BAT54A (Common cathode variant)
- 1N5819 (Higher current, similar voltage)
- SS14 (SMD Schottky alternative)
Check datasheets for exact specs like forward voltage and current ratings.
- BAT54C (Similar dual series configuration)
- BAT54S (Single diode, different pinout)
- BAT54A (Common cathode variant)
- 1N5819 (Higher current, similar voltage)
- SS14 (SMD Schottky alternative)
Check datasheets for exact specs like forward voltage and current ratings.
Features
The BAT54LT1G is a Schottky barrier diode in a SOT-23 package, featuring:
- Dual series-connected diodes (common cathode configuration).
- Low forward voltage drop (~0.32V at 1mA).
- High switching speed (fast reverse recovery).
- Low leakage current (~0.5µA max at 25°C).
- Max reverse voltage: 30V.
- Continuous forward current: 200mA.
- Operating temperature range: -65°C to +125°C.
Ideal for signal switching, clamping, and protection circuits in compact designs.
- Dual series-connected diodes (common cathode configuration).
- Low forward voltage drop (~0.32V at 1mA).
- High switching speed (fast reverse recovery).
- Low leakage current (~0.5µA max at 25°C).
- Max reverse voltage: 30V.
- Continuous forward current: 200mA.
- Operating temperature range: -65°C to +125°C.
Ideal for signal switching, clamping, and protection circuits in compact designs.
Pinout
The BAT54LT1G is a 3-pin SOT-23 packaged Schottky diode array. It consists of two common-cathode Schottky diodes in a single package.
Pin Functions:
1. Pin 1 (Anode 1) – First diode anode.
2. Pin 2 (Common Cathode) – Shared cathode for both diodes.
3. Pin 3 (Anode 2) – Second diode anode.
Key Features:
- Low forward voltage (~0.32V @ 1mA).
- Fast switching for high-efficiency applications.
- Used in clipping, clamping, and reverse polarity protection circuits.
Compact and efficient for space-constrained designs.
Pin Functions:
1. Pin 1 (Anode 1) – First diode anode.
2. Pin 2 (Common Cathode) – Shared cathode for both diodes.
3. Pin 3 (Anode 2) – Second diode anode.
Key Features:
- Low forward voltage (~0.32V @ 1mA).
- Fast switching for high-efficiency applications.
- Used in clipping, clamping, and reverse polarity protection circuits.
Compact and efficient for space-constrained designs.
Manufacturer
The BAT54LT1G 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 BAT54LT1G is a Schottky barrier diode used for high-speed switching applications.
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 BAT54LT1G is a Schottky barrier diode used for high-speed switching applications.
Application
The BAT54LT1G, a Schottky barrier diode, is widely used in:
1. Signal Clipping & Protection – Safeguards circuits from voltage spikes.
2. Switching Circuits – Fast switching in digital/logic applications.
3. Power Management – Reverse polarity protection in low-power devices.
4. RF & Mixer Circuits – High-frequency applications due to low capacitance.
5. Portable Electronics – Used in smartphones, tablets, and wearables for efficiency.
Its low forward voltage and compact SOT-23 package make it ideal for space-constrained, energy-efficient designs.
1. Signal Clipping & Protection – Safeguards circuits from voltage spikes.
2. Switching Circuits – Fast switching in digital/logic applications.
3. Power Management – Reverse polarity protection in low-power devices.
4. RF & Mixer Circuits – High-frequency applications due to low capacitance.
5. Portable Electronics – Used in smartphones, tablets, and wearables for efficiency.
Its low forward voltage and compact SOT-23 package make it ideal for space-constrained, energy-efficient designs.
Package
The BAT54LT1G 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. It is suitable for high-speed switching, rectification, and protection circuits due to its low forward voltage and fast switching characteristics. The SOT-23 package is ideal for portable and space-constrained designs.
