BAS21SW

High-voltage switching diode

5 January 2023

Product data sheet

1. General description

High-voltage switching diode encapsulated in a very small SOT323 (SC-70) Surface-Mounted

Device (SMD) plastic package.

2. Features and benefits

• High switching speed: trr ≤ 50 ns

• Low leakage current

• High reverse voltage VR ≤ 250 V

• Low capacitance: Cd ≤ 2 pF

• Very small SMD plastic package

• AEC-Q101 qualified

3. Applications

• High-speed switching at high voltage

• High-voltage general-purpose switching

• Voltage clamping

• Reverse polarity protection

4. Quick reference data

Table 1. Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Per diode

IF

forward current

[1]

-

-

225

mA

IR

reverse current

VR = 200 V; Tamb = 25 °C

-

-

100

nA

VR

reverse voltage

-

-

250

V

trr

reverse recovery time

IF = 10 mA; IR = 10 mA; RL = 100 Ω;

IR(meas) = 1 mA; Tamb = 25 °C

-

-

50

ns

[1] Single diode loaded.