BAS21 JS SOT23-3 High-voltage switching diode

Product Description:

The BAS21 JS SOT23 High-Voltage Switching Diode is a precision small-signal diode designed for high-speed and high-voltage applications. With its fast recovery time, low leakage current, and high reverse voltage rating, the BAS21 is ideal for advanced signal switching, protection circuits, measurement systems, and high-frequency analog/digital circuitry.

Housed in a compact SOT-23 SMD package and recognized by the JS marking, this diode provides stable performance and excellent reliability in dense PCB layouts. Its high voltage capability makes it suitable for circuits that require greater safety margins, enhanced signal integrity, and consistent switching behavior under demanding operating conditions.

Key Specifications:

• Diode Type: High-Voltage Fast Switching Diode

• Model: BAS21

• Marking: JS

• Package: SOT23

• Forward Current (IF): 200mA

• Reverse Voltage (VR): 200V (High-voltage capability)

• Reverse Recovery Time: Fast (< 50ns typical)

• Leakage Current: Very low

• Junction Capacitance: Low for high-frequency operation

• Mounting Type: SMD

Features:

• High 200V reverse voltage rating

• Fast switching suitable for high-frequency circuits

• Low leakage for precision measurements

• Compact SOT23 package ideal for small PCBs

• Stable and reliable switching performance

• Compatible with automated SMT assembly

Applications:

• High-voltage signal switching

• RF and communication equipment

• Precision measurement and instrumentation

• Level shifting and waveform handling

• Voltage protection and clamping circuits

• General high-frequency small-signal applications

Package Includes:

1 × BAS21 JS SOT23 High-Voltage Switching Diode

Note: Image is for representation purpose only.