BAS21 - DIODES INC - Datasheet.Support

DS12004 Rev. K-2 1 of 2 BAS19 / BAS20 / BAS21

BAS19 / BAS20 / BAS21

SURFACE MOUNT FAST SWITCHING DIODE

Features

·Case: SOT-23, Molded Plastic

·Terminals: Solderable per MIL-STD-202,

Method 208

·Polarity: See Diagram

·BAS19 Marking: A8, KA8, KT3

·BAS20 Marking: A81, KT2, KT3

·BAS21 Marking: A82, KT3

·Weight: 0.008 grams (approx.)

Mechanical Data

TOP VIEW

SOT-23

Dim Min Max

A0.37 0.51

B1.19 1.40

C2.10 2.50

D0.89 1.05

E0.45 0.61

G1.78 2.05

H2.65 3.05

J0.013 0.15

K0.89 1.10

L0.45 0.61

M0.076 0.178

All Dimensions in mm

Characteristic Symbol BAS19 BAS20 BAS21 Unit

Repetitive Peak Reverse Voltage VRRM 120 200 250 V

Working Peak Reverse Voltage

DC Blocking Voltage

VRWM

VR100 150 200 V

RMS Reverse Voltage VR(RMS) 71 106 141 V

Forward Continuous Current (Note 1) IFM 400 mA

Average Rectified Output Current (Note 1) IO200 mA

Non-Repetitive Peak Forward Surge Current @ t = 1.0ms

@ t = 1.0s IFSM 2.5

0.5 A

Repetitive Peak Forward Surge Current IFRM 625 mA

Power Dissipation Pd250 mW

Thermal Resistance Junction to Ambient Air (Note 1) RqJA 500 K/W

Operating and Storage Temperature Range Tj,T

STG -65 to +150 °C

Maximum Ratings @ TA= 25°C unless otherwise specified

Note: 1. Valid provided that terminals are kept at ambient temperature.

Characteristic Symbol Min Max Unit Test Condition

Maximum Forward Voltage VFM ¾1.0

1.25 VIF= 100mA

IF= 200mA

Maximum Peak Reverse Current

@ Rated DC Blocking Voltage IRM ¾100

Tj= 25°C

Tj= 100°C

Junction Capacitance Cj¾5.0 pF VR= 0, f = 1.0MHz

Reverse Recovery Time trr ¾50 ns IF= IR= 30mA,

Irr = 0.1 x IR,R

L= 100W

Electrical Characteristics @ TA= 25°C unless otherwise specified

·Fast Switching Speed

·Surface Mount Package Ideally Suited for

Automatic Insertion

·For General Purpose Switching Applications

·High Conductance