Vishay VS-20ETF..PbF Soft Recovery Series Data Sheet

TO-220AC

VS-20ETF..PbF Soft Recovery Series

Vishay High Power Products

Fast Soft Recovery Rectifier Diode, 20 A

FEATURES

• Meets MSL level 1, per J-STD-020, LF
maximum peak of 260 °C

• Compliant to RoHS directive 2002/95/EC

• Designed and qualified for industrial level

APPLICATIONS

• Output rectification and freewheeling in inverters,
choppers and converters

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

cathode

1

Cathode

Base

2

3

Anode

PRODUCT SUMMARY

VF at 20 A < 1.31 V

I

FSM

V

RRM

355 A

800 to 1200 V

DESCRIPTION

The VS-20ETF..PbF fast soft recovery rectifier series has
been 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.

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL CHARACTERISTICS VALUES UNITS

V

I

F(AV)

I

FSM

t

rr

V

T

RRM

F

J

Sinusoidal waveform 20

1 A, 100 A/μs 95 ns

20 A, TJ = 25 °C 1.31 V

Range - 40 to 150 °C

800 to 1200 V

355

A

VOLTAGE RATINGS

, MAXIMUM PEAK

V

RRM

PART NUMBER

VS-20ETF08PbF 800 900

VS-20ETF12PbF 1200 1300

REVERSE VOLTAGE

V

V

, MAXIMUM NON-REPETITIVE

RSM

PEAK REVERSE VOLTAGE

V

AT 150 °C

I

RRM

mA

6VS-20ETF10PbF 1000 1100

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: 94098 For technical questions, contact: [e-mail]
Revision: 27-Apr-10 1

t for fusing I2t

2

√t for fusing I2√t t = 0.1 ms to 10 ms, no voltage reapplied 6350 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 355

10 ms sine pulse, rated V

10 ms sine pulse, no voltage reapplied 635

applied 300

RRM

applied 450

RRM

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A

2

A

s

VS-20ETF..PbF 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

FM

Forward slope resistance r

Threshold voltage V

Maximum reverse leakage current I

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 20ETF08

T

, T

J

R

thJC

R

thJA

R

thCS

20 A, TJ = 25 °C 1.31 V

t

rr

Stg

TJ = 150 °C

TJ = 25 °C

T

= 150 °C 6

J

IF at 20 Apk

25 A/μs
25 °C

V

= Rated V

R

RRM

400 ns

6.1 A

1.7 μC

11.88 mΩ

0.93 V

0.1

- 40 to 150 °C

DC operation 0.9

62

Mounting surface, smooth and greased 0.5

0.07 oz.

I

FM

t

rr

t

atb

dir

dt

I

RM(REC)

°C/W

2g

kgf · cm

(lbf · in)

mA

t

Q

rr

www.vishay.com For technical questions, contact: [e-mail]

Document Number: 94098

2 Revision: 27-Apr-10

VS-20ETF..PbF Soft Recovery Series

150

140

130

120

Temperature (°C)

110

Maximum Allowable Case

100

0

150

140

130

120

Temperature (°C)

110

Maximum Allowable Case

100

025

Fast Soft Recovery

Rectifier Diode, 20 A

20ETF.. Series

(DC) = 0.9 K/W

R

thJC

Ø

Conduction angle

30°

60°

90°

120°

180°

5

10 25

15

Average Forward Current (A)

Fig. 1 - Current Rating Characteristics

20ETF.. Series

(DC) = 0.9 K/W

R

thJC

60°

90°

30°

530

10 20

120°

15

Average Forward Current (A)

Fig. 2 - Current Rating Characteristics

20

Ø

Conduction period

180°

DC

35

Vishay High Power Products

35

30

25

20

15

Power Loss (W)

10

5

Maximum Average Forward

0

350

300

250

200

150

Forward Current (A)

Peak Half Sine Wave

100

50

Fig. 5 - Maximum Non-Repetitive Surge Current

180°
120°
90°
60°
30°

RMS limit

Conduction period

20ETF.. Series
T

= 150 °C

J

0

10 205

15

Average Forward Current (A)

Fig. 4 - Forward Power Loss Characteristics

At any rated load condition and with
rated V

20ETF.. Series

1 10 100

applied following surge.

RRM

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

Number of Equal Amplitude Half Cycle

Current Pulses (N)

Ø

25

35

30

25

20

15

Power Loss (W)

10

5

Maximum Average Forward

0

0

Fig. 3 - Forward Power Loss Characteristics

180°
120°
90°
60°
30°

RMS limit

Ø

Conduction angle

20ETF.. Series
T

= 150 °C

J

10 155

Average Forward Current (A)

20

25

400

350

300

250

200

150

Forward Current (A)

Peak Half Sine Wave

100

50

0.01 0.1 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

reapplied

RRM

Document Number: 94098 For technical questions, contact: [e-mail]

www.vishay.com

Revision: 27-Apr-10 3