DYNEX ESM412010, ESM412008, ESM412006 Datasheet

ESM4120

ESM4120

Fast Recovery Diode

Advance Information

Replaces March 1998 version, DS4141-3.4 DS4141-4.0 January 2000

APPLICATIONS

■ Induction Heating

■ A.C. Motor Drives

■ Inverters And Choppers

■ Welding

■ High Frequency Rectification

■ UPS

FEATURES

■ Double Side Cooling

■ High Surge Capability

■ Low Recovery Charge

VOLTAGE RATINGS

Type Number Repetitive Peak

Reverse Voltage

V

RRM

V

ESM4120 10
ESM4120 08
ESM4120 06

1000

800
600

Conditions

= V

V

RSM

RRM

+ 100V

KEY PARAMETERS

V
I

F(AV)

I

FSM

Q
t

rr

RRM

r

1000V

334A

4000A

15µC

0.8µs

See Package Details for further information.

CURRENT RATINGS

Symbol Parameter Conditions

Double Side Cooled

I

F(AV)

I

F(RMS)

I

F

Mean forward current

RMS value

Continuous (direct) forward current

Single Side Cooled (Anode side)

I

F(AV)

I

F(RMS)

I

F

Mean forward current

RMS value

Continuous (direct) forward current

Half wave resistive load, T

= 65oC 565 A

T

case

T

= 65oC 490 A

case

Half wave resistive load, T

T

= 65oC 360 A

case

T

= 65oC 290 A

case

Outline type code: M771.

= 65oC 334 A

case

= 65oC 210 A

case

UnitsMax.

1/8

ESM4120

SURGE RATINGS

ParameterSymbol

FSM

FSM

Surge (non-repetitive) forward currentI

Surge (non-repetitive) forward currentI

THERMAL AND MECHANICAL DATA

Symbol

R

th(j-c)

R

th(c-h)

Thermal resistance - junction to case

Thermal resistance - case to heatsink

Parameter

Conditions

10ms half sine; with 0% V

10ms half sine; with 50% V

Conditions Max. Units

Double side cooled

Single side cooled

Clamping force 3.5kN
with mounting compound

= 125oC

RRM, Tj

= 125oC

RRM, Tj

Min.

dc

- 0.07

Cathode dc - 0.147
Double side

Single side

-

- 0.04oC/W

Max. Units

4.5 kA

101 x 10

3

3.6 kA

64.8 x 103A2sI2t for fusingI2t

0.02

A2sI2t for fusingI2t

o

C/W

o

C/W- 0.133Anode dc

o

C/W

o

C/W

T

T

stg

Virtual junction temperature

vj

Storage temperature range -55 125

On-state (conducting) - 125

4.03.0Clamping force-

o

o

kN

C
C

2/8

CHARACTERISTICS

ESM4120

Symbol Typ. Units

V

FM

I

RRM

t

rr

Q

RA1

I

RM

Forward voltage

Peak reverse current
Reverse recovery time

Recovered charge (50% chord)
Reverse recovery current

K Soft factor

V

TO

r

T

V

FRM

Threshold voltage

Slope resistance

Forward recovery voltage di/dt = 1000A/µs, Tj = 125oC-25V

DEFINITION OF K FACTOR AND Q

Parameter

Q

= 0.5x IRR(t1 + t2)

RA1

RA1

Conditions Max.

At 450A peak, T
At V

, T

RRM

case

= 25oC - 1.7 V

case

= 125oC-mA

100

0.8 -

= 200A, diRR/dt = 50A/µs

I

F

T

= 125oC, VR = 100V

case

-15µC

-34A

---

At Tvj = 125oC - 1.25 V

At T

= 125oC - 1.0 mΩ

vj

µs

dIR/dt

0.5x I

k = t

t

t

1

2

RR

I

RR

1/t2

τ

3/8