Technical Data

Data Sheet N1677, Rev. B



China - Germany - Korea - Singapore - United States 



http://www.smc-diodes.com - sales@ smc-diodes.com 

203DMQ SERIES

203DMQ080/203DMQ100

SCHOTTKY RECTIFIER

Characteristics

Symbol

Condition

Max.

Units

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

-

80

203DMQ080

V

100

203DMQ100

Average Rectified Forward Current

IF(AV)

50% duty cycle @TC =110°C,

rectangular wave form

100(Per Leg)

A

200(Per Device)

Peak One Cycle Non-Repetitive

Surge Current (Per Leg)

IFSM

8.3 ms, half Sine pulse

2520

A

Non-Repetitive Avalanche

Energy(Peg Leg)

EAS

TJ=25℃,IAS=1A,L=30mH

15

mJ

Repetitive Avalanche Current

(Peg Leg)

IAR

Current decaying linearly to zero

in 1 μsec Frequency limited by

TJ max. VA=1.5×VR typical

1

A

Features

Circuit Diagram

Applications

Maximum Ratings(limiting values, at 25 °C unless otherwise specified)



175℃ TJ operation



Center tap module



High purity, high temperature epoxy encapsulation for



enhanced mechanical strength and moisture resistance



Low forward voltage drop



High frequency operation



Guard ring for enhanced ruggedness and long term

reliability



Base plate: Nickel plated; Terminals: Nickel plated



The terminal hardware is supplied with the module.



The mounting hardware is not supplied. Recommended

is the use of ¼-20 or M6 screws with spring washer.



This is a Pb − Free Device



All SMC parts are traceable to the wafer lot



Additional testing can be offered upon request



High current switching power supply



Plating power supply



Free-Wheeling diodes



Reverse battery protection



Converters



UPS System



Welding

PRM4 (Isolated)