SFH618A, SFH6186

www.vishay.com

Vishay Semiconductors

Rev. 2.6, 31-Aug-15

4

Document Number: 83673

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Fig. 2 - Test Circuit

Fig. 3 - Test Circuit and Waveforms

Note

• As per DIN EN 60747-5-5, § 7.4.3.8.2, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance

with the safety ratings shall be ensured by means of protective circuits.

Fig. 4 - Current Transfer Ratio (typ.)

Fig. 5 - Current Transfer Ratio (typ.)

isfh618a_10

Input

isfh618a_12

10 %

90 %

Input pulse

Output pulse

SAFETY AND INSULATION RATINGS

PARAMETER

TEST CONDITION

SYMBOL

VALUE

UNIT

Climatic classification

According to IEC 68 part 1

55/115/21

Pollution degree

According to DIN VDE 0109

2

Comparative tracking index

Insulation group IIIa

CTI

175

Maximum rated withstanding isolation voltage

According to UL1577, t = 1 min

4470

Tested withstanding isolation voltage

According to UL1577, t = 1 s

5300

Maximum transient isolation voltage

According to DIN EN 60747-5-5

8000

Maximum repetitive peak isolation voltage

According to DIN EN 60747-5-5

890

Isolation resistance

Ω

Ω

Output safety power

700

mW

Input safety current

400

mA

Input safety temperature

175

°C

Creepage distance

DIP-4

≥ 7mm

Clearance distance

DIP-4

≥ 7mm

Creepage distance

DIP-4, 400 mil, option 6

≥ 8mm

Clearance distance

DIP-4, 400 mil, option 6

≥ 8mm

Creepage distance

SMD-4, option 7 and option 9

≥ 7mm

Clearance distance

SMD-4, option 7 and option 9

≥ 7mm

Insulation thickness

DTI

≥ 0.4

mm

240

280

200

160

- 40 - 20

0

20

40

60

80

100

isfh618a_01

120

80

40

0

IF = 5mA

IF = 1mA

IF = 2mA

IF = 0.5mA

VCE = 0.5 V, CTR = f (TA)

240

280

200

160

- 40 - 20

0

20

40

60

80 100

isfh618a_02

120

80

40

0

IF = 5mA

IF = 1mA

IF = 2mA

IF = 0.5mA