Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| DiodeType | Standard |
| Voltage-DCReverse(Vr)(Max) | 250 V |
| Current-AverageRectified(Io) | 200mA (DC) |
| Voltage-Forward(Vf)(Max)@If | 1.25 V @ 200 mA |
| Speed | Small Signal =< 200mA (Io), Any Speed |
| ReverseRecoveryTime(trr) | 50 ns |
| Current-ReverseLeakage@Vr | 100 nA @ 200 V |
| Capacitance@VrF | 5pF @ 0V, 1MHz |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
| SupplierDevicePackage | SOT-23-3 (TO-236) |
Overview
Description
The BAS21LT1G is a high-speed switching diode from ON Semiconductor, designed for general-purpose applications. It features a low forward voltage drop and fast switching times, making it suitable for rectification, clamping, and signal demodulation in circuits.
Key specifications:
- Package: SOD-123 (small surface-mount)
- Max Reverse Voltage (VR): 250V
- Forward Current (IF): 200mA
- Forward Voltage (VF): ~1V at 10mA
- Reverse Recovery Time (trr): 4ns (typical)
Ideal for high-frequency circuits, power supplies, and protection circuits due to its efficiency and compact size. Always refer to the datasheet for detailed ratings and thermal considerations.
Key specifications:
- Package: SOD-123 (small surface-mount)
- Max Reverse Voltage (VR): 250V
- Forward Current (IF): 200mA
- Forward Voltage (VF): ~1V at 10mA
- Reverse Recovery Time (trr): 4ns (typical)
Ideal for high-frequency circuits, power supplies, and protection circuits due to its efficiency and compact size. Always refer to the datasheet for detailed ratings and thermal considerations.
Features
The BAS21LT1G is a high-speed switching diode with the following key features:
- Type: Dual series-connected silicon switching diode
- Package: SOT-23 (Small Outline Transistor)
- Max Reverse Voltage (VR): 250V
- Forward Current (IF): 200mA
- Peak Forward Surge Current (IFSM): 500mA
- Reverse Recovery Time (trr): 4ns (fast switching)
- Low Leakage Current (IR): 5nA (max)
- Operating Temperature Range: -65°C to +150°C
Ideal for high-speed switching, rectification, and protection circuits in compact applications.
- Type: Dual series-connected silicon switching diode
- Package: SOT-23 (Small Outline Transistor)
- Max Reverse Voltage (VR): 250V
- Forward Current (IF): 200mA
- Peak Forward Surge Current (IFSM): 500mA
- Reverse Recovery Time (trr): 4ns (fast switching)
- Low Leakage Current (IR): 5nA (max)
- Operating Temperature Range: -65°C to +150°C
Ideal for high-speed switching, rectification, and protection circuits in compact applications.
Pinout
The BAS21LT1G is a SOT-23 packaged switching diode with 3 pins (though only 2 are functionally used).
Pin Functions:
1. Pin 1 (Anode 1) – Connected to the first diode's anode.
2. Pin 2 (Common Cathode) – Shared cathode for both diodes.
3. Pin 3 (Anode 2) – Connected to the second diode's anode.
Function:
- Dual-series switching diode for high-speed applications (e.g., rectification, clamping).
- Low forward voltage (~0.715V) and fast switching.
Note: Despite having 3 pins, it contains two diodes in a common-cathode configuration.
Pin Functions:
1. Pin 1 (Anode 1) – Connected to the first diode's anode.
2. Pin 2 (Common Cathode) – Shared cathode for both diodes.
3. Pin 3 (Anode 2) – Connected to the second diode's anode.
Function:
- Dual-series switching diode for high-speed applications (e.g., rectification, clamping).
- Low forward voltage (~0.715V) and fast switching.
Note: Despite having 3 pins, it contains two diodes in a common-cathode configuration.
Manufacturer
The BAS21LT1G 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 solutions. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient technologies. Headquartered in Phoenix, Arizona, onsemi is known for reliable components like diodes, transistors, and ICs.
The BAS21LT1G is a high-speed switching diode commonly used in circuits requiring fast signal processing.
onsemi is a global semiconductor company specializing in power management, analog, and sensor solutions. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient technologies. Headquartered in Phoenix, Arizona, onsemi is known for reliable components like diodes, transistors, and ICs.
The BAS21LT1G is a high-speed switching diode commonly used in circuits requiring fast signal processing.
Application
The BAS21LT1G is a high-speed switching diode commonly used in:
1. Signal Clipping & Clamping – Protects circuits from voltage spikes.
2. High-Speed Switching – Suitable for fast digital/logic circuits.
3. Rectification – Low-power AC-DC conversion.
4. RF & Mixer Circuits – Used in communication devices.
5. Protection Circuits – Guards sensitive components from ESD/transients.
Its small SOD-123 package makes it ideal for compact PCB designs.
1. Signal Clipping & Clamping – Protects circuits from voltage spikes.
2. High-Speed Switching – Suitable for fast digital/logic circuits.
3. Rectification – Low-power AC-DC conversion.
4. RF & Mixer Circuits – Used in communication devices.
5. Protection Circuits – Guards sensitive components from ESD/transients.
Its small SOD-123 package makes it ideal for compact PCB designs.
Package
The BAS21LT1G is a high-speed switching diode available in a SOT-23 surface-mount package. This compact 3-pin package is widely used for small-signal applications, offering good thermal performance and space efficiency. It is suitable for automated PCB assembly and is commonly used in consumer electronics, communication devices, and other compact circuits.
