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4

Document Number 83667

Rev. 1.4, 26-Oct-04

SFH612A/ SFH655A

Vishay Semiconductors

Figure 3. Normalized CTR vs. Temperature

Figure 4. Normalized CTR vs. Forward Current

Figure 5. Collector Current vs. Collector Emitter Voltage

isfh612a_03

Temperature, TA (°C)

–40

–20

0

20

40

60

80

100

1.2

1.0

0.8

0.6

IF = 1.0 mA, VCE = 2.0 V

isfh612a_04

0.01

0.1

1.0

10

100

1.80

1.60

1.40

1.20

1.00

0.80

0.60

0.40

0.20

0.00

Forward Current, IF (mA)

I = 1.0 mA, VCE = 2.0 V,

F

isfh612a_05

0

123

45

678

9

10

VCE(V)

1000.0

100.0

10.0

1.0

0.1

IF=10 mA

IF=5 mA

IF=2 mA

IF=0.5 mA

IF=1.5 mA

IF=1 mA

Figure 6. Collector Current vs. Collector-Emitter Saturation

Voltage

Figure 7. Collector-Emitter Dark Current vs. Collector-Emitter

Voltage over Temperature

Figure 8. Switching Time vs. Load Resistor

isfh612a_06

VCEsat(V)

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

120

100

80

60

40

20

0

IF=10 mA

IF=5 mA

IF=1 mA

IF=0.5 mA

isfh612a_07

0

102030405060

104

103

102

10

1.0

0.1

75 °C

50 °C

25 °C

0°C

100 °C

V

CE

(V)

–25 °C

–25 °C

isfh612a_08

Load Resistance, RL (ohm)

102

103

104

103

102

10

Ton

Trise

Tfall

Toff

IC = 2.0 mA, VCC = 10 V (SFH612A)