規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| DiodeType | Standard |
| Voltage-DCReverse(Vr)(Max) | 250 V |
| Current-AverageRectified(Io) | 200mA |
| 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 @ 250 V |
| Capacitance@VrF | 5pF @ 0V, 1MHz |
| MountingType | Surface Mount |
| Package/Case | SC-76, SOD-323 |
| SupplierDevicePackage | SOD-323 |
概述
Description
The BAV21WS is a high-speed switching diode designed for general-purpose applications. It features a dual-series configuration (two diodes in one package) with a small SOD-323 surface-mount (SMD) package, making it ideal for compact PCB designs.
### Key Specifications:
- Reverse Voltage (VR): 250V
- Forward Current (IF): 200mA
- Fast Switching Speed: ~4ns recovery time
- Low Forward Voltage (VF): ~1V at 10mA
### Applications:
- Signal rectification
- High-speed switching circuits
- Protection circuits (e.g., clamping, freewheeling)
- General-purpose diode functions in consumer electronics
### Advantages:
- Space-saving due to SMD packaging
- Reliable performance in high-frequency circuits
- Cost-effective for mass production
Commonly used in power supplies, communication devices, and automotive electronics. Check the datasheet for exact tolerances and thermal characteristics.
### Key Specifications:
- Reverse Voltage (VR): 250V
- Forward Current (IF): 200mA
- Fast Switching Speed: ~4ns recovery time
- Low Forward Voltage (VF): ~1V at 10mA
### Applications:
- Signal rectification
- High-speed switching circuits
- Protection circuits (e.g., clamping, freewheeling)
- General-purpose diode functions in consumer electronics
### Advantages:
- Space-saving due to SMD packaging
- Reliable performance in high-frequency circuits
- Cost-effective for mass production
Commonly used in power supplies, communication devices, and automotive electronics. Check the datasheet for exact tolerances and thermal characteristics.
Equivalent
The BAV21WS is a dual common cathode switching diode. Equivalent products include:
- BAV21W (similar specs, different package)
- BAV99 (dual series diode, common cathode)
- MMBD4148SE (dual switching diode)
- LL4148 (single diode, use two in series)
- 1N4148WS (dual version of 1N4148)
Check datasheets for exact compatibility in voltage, current, and package (SOT-323 for BAV21WS).
- BAV21W (similar specs, different package)
- BAV99 (dual series diode, common cathode)
- MMBD4148SE (dual switching diode)
- LL4148 (single diode, use two in series)
- 1N4148WS (dual version of 1N4148)
Check datasheets for exact compatibility in voltage, current, and package (SOT-323 for BAV21WS).
Features
The BAV21WS is a high-speed switching diode with the following key features:
- Type: Dual-series silicon switching diode
- Package: SOD-323 (SC-76), compact SMD
- Max Reverse Voltage (VR): 250V
- Average Forward Current (IF): 200mA
- Peak Forward Surge Current (IFSM): 4A (pulse-rated)
- Reverse Recovery Time (trr): Fast, typically 4ns
- Low Leakage Current (IR): <5µA at max VR
- Applications: High-speed switching, rectification, clamping, and protection circuits
Ideal for space-constrained designs requiring fast response and reliability.
- Type: Dual-series silicon switching diode
- Package: SOD-323 (SC-76), compact SMD
- Max Reverse Voltage (VR): 250V
- Average Forward Current (IF): 200mA
- Peak Forward Surge Current (IFSM): 4A (pulse-rated)
- Reverse Recovery Time (trr): Fast, typically 4ns
- Low Leakage Current (IR): <5µA at max VR
- Applications: High-speed switching, rectification, clamping, and protection circuits
Ideal for space-constrained designs requiring fast response and reliability.
Application
The BAV21WS is a high-speed switching diode commonly used in:
1. Rectification – AC to DC conversion in power supplies.
2. Signal Clipping/Clamping – Waveform shaping in audio and RF circuits.
3. Protection Circuits – ESD and transient voltage suppression.
4. High-Speed Switching – Digital logic and communication systems.
5. RF Applications – Mixers, detectors, and modulators.
Its low capacitance and fast recovery time make it suitable for high-frequency applications.
1. Rectification – AC to DC conversion in power supplies.
2. Signal Clipping/Clamping – Waveform shaping in audio and RF circuits.
3. Protection Circuits – ESD and transient voltage suppression.
4. High-Speed Switching – Digital logic and communication systems.
5. RF Applications – Mixers, detectors, and modulators.
Its low capacitance and fast recovery time make it suitable for high-frequency applications.
Package
The BAV21WS is a surface-mount diode available in a SOD-323 package. This small, leadless package is designed for high-density PCB applications, measuring approximately 1.7mm x 1.25mm. It is commonly used for high-speed switching and general-purpose rectification. The SOD-323 package is compact, lightweight, and suitable for automated assembly processes.
