409DMQ datasheet(2/5 Pages) SMCDIODE

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Technical Data

Data Sheet N1502, Rev A



China - Germany - Korea - Singapore - United States 



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

409DMQ SERIES

* Pulse width < 300 µs, duty cycle < 2%

Characteristics

Symbol

Condition

Specification

Units

Junction Temperature

-55 to +150



Storage Temperature

Tstg

-55 to +150



Typical Thermal Resistance Junction to

Case(Per leg)

RJC

DC operation

0.30



C/W

Typical Thermal Resistance Junction to

Case(Per package)

RJC

DC operation

0.15



C/W

Typical Thermal Resistance, case to

Heat Sink

Rcs

Mounting surface, smooth

and greased

0.05



C/W

Mounting Torque

Mounting

Torque

3.84(min)

4.80(max)

Terminal

Torque

2.35(min)

3.43(max)

Approximate Weight

110

Case Style

PRM4 Isolated

Electrical Characteristics:

Characteristics

Symbol

Condition

Typ.

Max.

Units

Forward Voltage Drop(Per Leg)*

VF1

@ 200A, Pulse, TJ = 25 C

@ 400A, Pulse, TJ = 25 C

0.83

0.93

1.03

1.21

VF2

@ 200A, Pulse, TJ = 125 C

@ 400A, Pulse, TJ = 125 C

0.71

0.79

0.75

0.83

Reverse Current(Per Leg)*

IR1

@VR = rated VR, TJ = 25 C

0.08

IR2

@VR = rated VR, TJ = 125 C

4.5

Junction Capacitance(Per leg)

@VR = 5V, TC = 25 C

fSIG = 1MHz

3990

6000

Voltage Rate of Change

dv/dt

10,000

V/s

Isolation Voltage

VISO

Tracer to 1500V, measuring

whether conducting base

plate and the center column

1500

Thermal-Mechanical Specifications:

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