SFH640-1 datasheet(3/7 Pages) VISHAY

Part #	SFH640-1

Description	Optocoupler, Phototransistor Output, with Base Connection, 300 V BVCEO

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Manufacturer	VISHAY [Vishay Siliconix]

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3 / 7 page

Document Number: 83682

For technical questions, contact: optocoupler.answers@vishay.com

www.vishay.com

Rev. 1.3, 01-Dec-05

3

SFH640

Optocoupler, Phototransistor Output,

with Base Connection, 300 V BVCEO

Vishay Semiconductors

TYPICAL CHARACTERISTICS

Tamb = 25 °C, unless otherwise specified

Fig. 1 - Switching Times Measurement Test Circuit and Waveform

Fig. 2 - Switching Times Measurement Test Circuit and Waveform

Fig. 3 - Current Transfer Ratio (Typ.)

Fig. 4 - Diode Forward Voltage (Ttyp.)

CURRENT TRANSFER RATIO

PARAMETER

TEST CONDITION

PART

SYMBOL

MIN.

TYP.

MAX.

UNIT

Current transfer ratio

IF = 10 mA, VCE = 10 V

SFH640-1

IC/IF

40

80

%

IF = 1.0 mA, VCE = 10 V

SFH640-1

IC/IF

13

30

%

IF = 10 mA, VCE = 10 V

SFH640-2

IC/IF

63

125

%

IF = 1.0 mA, VCE = 10 V

SFH640-2

IC/IF

22

45

%

IF = 10 mA, VCE = 10 V

SFH640-3

IC/IF

100

200

%

IF = 1.0 mA, VCE = 10 V

SFH640-3

IC/IF

34

70

%

SWITCHING CHARACTERISTICS

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Turn-on time

IC = 2.0 mA, RL = 100 Ω, VCC = 10 V

ton

5.0

µs

Rise time

IC = 2.0 mA, RL = 100 Ω, VCC = 10 V

tr

2.5

µs

Turn-off time

IC = 2.0 mA, RL = 100 Ω, VCC = 10 V

toff

6.0

µs

Fall time

IC = 2.0 mA, RL = 100 Ω, VCC = 10 V

tf

5.5

µs

isfh640_01a

IF

RL

IC

VCC

47

Ω

isfh640_01b

10%

90%

Input Pulse

Output Pulse

tr

ton

tf

toff

100

80

10-4

10-3

10-2

10-1

isfh640_02

IF/A

VCE = 10 V1

normalized to

IF = 10 mA,

NCTR = f (IF)

60

50

30

10

0

1.2

V

10-1

55

5mA

100

101

102

isfh640_03

IF

1.1

1.0

0.9

I/F

VF = f (IF, TA)

25 ºC

50 ºC

75 ºC

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