ISOCOM SFH617A-1, SFH617A-2, SFH617A-3, SFH617A-4 Datasheet

7/12/00

SFH617A-1, SFH617A-2,
SFH617A-3, SFH617A-4

LOW INPUT CURRENT
PHOTOTRANSISTOR

OPTICALLY COUPLED ISOLATORS

APPROVALS

l UL recognised, File No. E91231

DESCRIPTION

The SFH617A series of optically coupled
isolators consist of infrared light emitting diodes
and NPN silicon photo transistors in space
efficient dual in line plastic packages.

FEATURES

l Options :-

10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.

l Low input current 1mA I

l High Current Transfer Ratios

F

(40-320% at 10mA, 13% min at 1mA)

l High Isolation Voltage (5.3kV

l High BV

l All electrical parameters 100% tested

l Custom electrical selections available

(70V min)

CEO

RMS

,7.5kV

PK

APPLICATIONS

l Computer terminals

l Industrial systems controllers

l Measuring instruments

l Signal transmission between systems of

different potentials and impedances

2.54

7.0

6.0

Dimensions in mm

1
2

1.2

5.08

4.08

4.0

7.62

3.0

0.5

3.0

0.5

3.35

0.26

)

ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)

Storage Temperature -55°C to + 125°C
Operating Temperature -55°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C

INPUT DIODE

Forward Current 50mA
Reverse Voltage 6V
Power Dissipation 70mW

4
3

13°
Max

OPTION SM

SURFACE MOUNT

0.6

0.1

10.46

9.86

1.25

0.75

OPTION G

7.62

0.26

10.16

ISOCOM COMPONENTS LTD

Unit 25B, Park View Road West,

Park View Industrial Estate, Brenda Road

Hartlepool, Cleveland, TS25 1YD

Tel: [phone] Fax :[phone]

OUTPUT TRANSISTOR

Collector-emitter Voltage BV
Emitter-collector Voltage BV
Power Dissipation 150mW

CEO
ECO

70V
6V

POWER DISSIPATION

Total Power Dissipation 200mW

(derate linearly 2.67mW/°C above 25°C)

ISOCOM INC

1024 S. Greenville Ave, Suite 240,

Allen, TX 75002 USA

Tel: [phone] Fax: [phone]

e-mail [e-mail]

http://www.isocom.com

DB92330m-AAS/A1

7/12/00

ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )

PARAMETER MIN TYP MAX UNITS TEST CONDITION

Input Forward Voltage (VF) 1.65 V IF = 50mA

Reverse Voltage (VR) 6 V IR = 10µA
Reverse Current (IR) 10 µA VR = 6V

Output Collector-emitter Breakdown (BV

( Note 2 )
Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I

) 70 V IC = 1mA

CEO

) 6 V IE = 100µA

ECO

)

CEO

SFH617A-1,2 50 nA VCE = 10V
SFH617A-3,4 100 nA

Coupled Current Transfer Ratio (CTR) (Note 2)

SFH617A-1 40 80 % 10mA IF , 5V V
SFH617A-2 63 125 %
SFH617A-3 100 200 %
SFH617A-4 160 320 %
SFH617A-1 13 % 1mA IF , 5V V
SFH617A-2 22 %
SFH617A-3 34 %
SFH617A-4 56 %

Collector-emitter Saturation Voltage V

Input to Output Isolation Voltage V

Input-output Isolation Resistance R

CESAT

5300 V

ISO

7500 V

10

5x10

ISO

0.4 V 10mA I

RMS
PK

Ω V

Note 1 Measured with input leads shorted together and output leads shorted together.
Note 2 Special Selections are available on request. Please consult the factory.

, 2.5mA I

F

See note 1
See note 1

= 500V (note 1)

IO

CE

CE

C

SWITCHING CHARACTERISTICS

1. Linear Operation (without saturation) Fig 1.

IF = 10mA, VCC = 5V, RL = 75Ω

UNITS

Turn-on Time
Rise Time
Turn-off Time
Fall Time
Cut-off Frequency

VCC = 5.0V

t
t
t
t
F

FIG 1

on
r
off
f

CO

RL = 75Ω

OUTPUT

3.0

2.0

2.3

2.0
250

µs
µs
µs
µs
kHz

VCC = 5.0V

RL = 1kΩ

FIG 2

OUTPUT

2. Switching Operation (with saturation) Fig 2

VCC = 5V, RL = 1kΩ

GROUP

Turn-on Time
Rise Time
Turn-off Time
Fall Time

INPUT

OUTPUT

V

t

on

t

r

t

off

t

f

CESAT

-1

(IF=20mA)

3.0

2.0
18
11

t

on

10%

90%

(IF=10mA)

t

r

-2 and -3
(IF=5mA)

4.2

3.0
23
14

< 0.4

- 4

6.0

4.6
25
15

UNITS

µs
µs
µs
µs
V

t

off

t

f

10%

90%

DB92330m-AAS/A1