Vishay 20ETF User Manual

20ETF.. Soft Recovery Series

Fast Soft Recovery

Rectifier Diode, 20 A

FEATURES/DESCRIPTION

The 20ETF.. fast soft recovery rectifier series has been

Base

cathode

2

optimized for combined short reverse recovery time and low
forward voltage drop.

The glass passivation ensures stable reliable operation in
the most severe temperature and power cycling conditions.

Vishay High Power Products

This product series has been designed and qualified for
industrial level.

TO-220AC

1

Cathode

3

Anode

APPLICATIONS

PRODUCT SUMMARY

VF at 10 A < 1.2 V

I

FSM

V

RRM

300 A

200 to 600 V

• Output rectification and freewheeling in inverters,
choppers and converters

• Input rectifications where severe restrictions on conducted
EMI should be met

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL CHARACTERISTICS VALUES UNITS

V

RRM

I

F(AV)

I

FSM

t

rr

V

F

T

J

Range 200 to 600 V

Sinusoidal waveform 20

300

1 A, 100 A/µs 60 ns

10 A, TJ = 25 °C 1.2 V

Range - 40 to 150 °C

A

VOLTAGE RATINGS

, MAXIMUM PEAK REVERSE

V

PART NUMBER

RRM

20ETF02 200 300

20ETF06 600 700

VOLTAGE

V

V

, MAXIMUM NON-REPETITIVE

RSM

PEAK REVERSE VOLTAGE

V

I

RRM

AT 150 °C

mA

520ETF04 400 500

ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum average forward current I

Maximum peak one cycle
non-repetitive surge current

2

Maximum I

Maximum I

Document Number: 93139 For technical questions, contact: [e-mail]
Revision: 11-Jun-08 1

t for fusing I2t

2

√t for fusing I2√t t = 0.1 to 10 ms, no voltage reapplied 4420 A2√s

F(AV)

I

FSM

TC = 97 °C, 180° conduction half sine wave 20

10 ms sine pulse, rated V

10 ms sine pulse, no voltage reapplied 300

10 ms sine pulse, rated V

10 ms sine pulse, no voltage reapplied 442

applied 250

RRM

applied 316

RRM

A

2

A

s

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20ETF.. Soft Recovery Series

Vishay High Power Products

Fast Soft Recovery

Rectifier Diode, 20 A

ELECTRICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum forward voltage drop V

Forward slope resistance r

Threshold voltage V

Maximum reverse leakage current I

FM

t

F(TO)

RM

RECOVERY CHARACTERISTICS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Reverse recovery time t

Reverse recovery current I

rr

rr

Reverse recovery charge Q

Snap factor S Typical 0.6

THERMAL - MECHANICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum junction and storage
temperature range

Maximum thermal resistance,
junction to case

Maximum thermal resistance,
junction to ambient

Typical thermal resistance,
case to heatsink

Approximate weight

Mounting torque

minimum 6 (5)

maximum 12 (10)

Marking device Case style TO-220AC

T

, T

J

R

thJC

R

thJA

R

thCS

20 A, TJ = 25 °C 1.3 V

12.5 mΩ

0.9 V

0.1

- 40 to 150 °C

rr

Stg

TJ = 150 °C

TJ = 25 °C

T

= 150 °C 5.0

J

IF at 20 Apk

100 A/µs
25 °C

V

= Rated V

R

160 ns

10 A

1.25 µC

RRM

DC operation 0.9

62

Mounting surface, smooth and greased 0.5

2g

0.07 oz.

I

FM

dir

dt

20ETF02

20ETF04

20ETF06

t

t

atb

rr

kgf · cm

(lbf · in)

mA

I

RM(REC)

°C/W

t

Q

rr

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Document Number: 93139

2 Revision: 11-Jun-08

20ETF.. Soft Recovery Series

150

140

130

120

110

100

Temperature (°C)

90

Maximum Allowable Case

80

70

06

150

140

130

120

Fast Soft Recovery

Rectifier Diode, 20 A

20ETF.. Series

(DC) = 0.9 K/W

R

thJC

Ø

Conduction angle

60°

30°

28

4

12 14 16 18

10 22

Average Forward Current (A)

Fig. 1 - Current Rating Characteristics

20ETF.. Series

(DC) = 0.9 K/W

R

thJC

120° 180°

90°

Ø

Conduction period

Vishay High Power Products

45

40

35

30

25

20

15

Power Loss (W)

10

Maximum Average Forward

5

20

0

300

250

200

DC
180°
120°
90°
60°
30°

RMS limit

0

10 20

5

15

Ø

Conduction period

20ETF.. Series

= 150 °C

T

J

30

25

Average Forward Current (A)

Fig. 4 - Forward Power Loss Characteristics

At any rated load condition and with
rated V

applied following surge.

RRM

Initial TJ = 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s

35

110

100

Temperature (°C)

Maximum Allowable Case

90

80

025

35

30

25

20

15

Power Loss (W)

10

5

Maximum Average Forward

0

0

Fig. 3 - Forward Power Loss Characteristics

30°

60°

90°

120°

180°

530

15

10 20

DC

35

Average Forward Current (A)

Fig. 2 - Current Rating Characteristics

180°
120°
90°
60°
30°

RMS limit

10 155

Ø

Conduction angle

20ETF.. Series

= 150 °C

T

J

20

25

Average Forward Current (A)

150

Forward Current (A)

Peak Half Sine Wave

100

20ETF.. Series

50

1 10 100

Number of Equal Amplitude Half Cycle

Current Pulses (N)

Fig. 5 - Maximum Non-Repetitive Surge Current

550

500

450

400

350

300

250

200

Forward Current (A)

Peak Half Sine Wave

150

100

50

0.001 0.01 1

Maximum non-repetitive surge current
versus pulse train duration.

Initial TJ = 150 °C
No voltage reapplied
Rated V

20ETF.. Series

Pulse Train Duration (s)

Fig. 6 - Maximum Non-Repetitive Surge Current

0.1

RRM

reapplied

Document Number: 93139 For technical questions, contact: [e-mail]

www.vishay.com

Revision: 11-Jun-08 3