1.

Product profile

1.1 General description

High-voltage switching diodes, encapsulated in a very small Surface-Mounted

Device (SMD) plastic package.

1.2 Features

1.3 Applications

1.4 Quick reference data

[1]

Single diode loaded.

[2]

When switched from IF = 10 mA to IR = 10 mA; RL = 100 Ω; measured at IR = 1 mA.

BAS21W series

High-voltage switching diodes

Rev. 01 — 9 October 2009

Product data sheet

Table 1.

Product overview

Type number

Configuration

Package

Package

configuration

Nexperia

JEDEC

BAS21W

single

SOT323

SC-70

very small

BAS21AW

dual common anode

BAS21SW

dual series

I High switching speed: trr ≤ 50 ns

I Low capacitance: Cd ≤ 2pF

I Low leakage current

I Very small SMD plastic package

I High reverse voltage: VR ≤ 250 V

I AEC-Q101 qualified

I High-speed switching

I Voltage clamping

I General-purpose switching

I Reverse polarity protection

Table 2.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Per diode

IF

forward current

[1] -

-

225

mA

IR

reverse current

VR = 200 V

-

-

100

nA

VR

reverse voltage

-

-

250

V

trr

reverse recovery time

[2] --50

ns