1

Maximum Ratings (25

°)

Emitter

Reverse Input Voltage....................................................................... 3 V

Supply and Output Voltage, VCC (pin 8-5), VO (pin 6-5)

SFH6318 ........................................................................... –0.5 to 7 V

SFH6319 ......................................................................... –0.5 to 18 V

Input Power Dissipation .............................................................. 35 mW

Derate Linearly above 50

°C

Free Air Temperature......................................................... 0.7 mW/

°C

Average Input Current.................................................................. 20 mA

Peak Input Current....................................................................... 40 mA

(50% Duty Cycle-1 ms pulse width)

Peak Transient Input Current

(tp

≤1 µsec, 300 pps) .................................................................. 1.0 A

Detector (Si Photodiode + Photodarlington)

Output Current IO (pin 6) ............................................................. 60 mA

Emitter-Base Reverse Voltage (pin 5-7)......................................... 0.5 V

Output Power Dissipation ......................................................... 150 mW

Derate Linearly from 25

°C ................................................... 2 mW/°C

Package

Storage Temperature .................................................. –55

°C to +125°C

Operating Temperature ................................................. –40

°C to +85°C

Lead Soldering Temperature (t=10 sec.) ..................................... 260

°C

Junction Temperature .................................................................. 100

°C

Ambient Temperature Range ...................................... –55

°C to +100°C

Isolation Test Voltage between

Emitter and Detector ...................................................2500 VACRMS

(refer to climate DIN 40046, part 2, Nov. 74)

Pollution Degree (DIN VDE 0110).........................................................2

Creepage Distance ......................................................................

≥4 mm

Clearance ....................................................................................

≥4 mm

Comparative Tracking Index

per DIN IEC 112/VDE 0303, part 1 .............................................. 175

Isolation Resistance

VIO=500 V, TA=25

°C RISOL .................................................≥1012W

VIO=500 V, TA=100

°C RISOL ...............................................≥1011W

Package Dimensions in Inches (mm)

TOLERANCE:

±.005 (unless otherwise noted)

40

°

Lead

Coplanarity

±.0015 (.04)

max.

.015

±.002

(.38

±.05)

.008 (.20)

7

°

.058

±.005

(1.49

±.13)

.125

±.005

(3.18

±.13)

.050

(1.27)

typ.

.192

±.005

(4.88

±.13)

.004 (.10)

.008 (.20)

.021

(.53)

5

° max.

R.010

(.25)

max.

.020

±.004

(.15

±.10)

2 plcs.

.240

(6.10)

.016

(.41)

Pin 1

.120

±.002

(3.05

±.05)

CL

1

2

3

4

8

7

6

5

.154

±.002

(.391

±.05)

NC

Anode

Cathode

NC

GND

FEATURES

• Industry Standard SOIC-8 Surface Mountable

Package

• High Current Transfer Ratio, 800%

• Low Input Current, 0.5mA

• High Output Current, 60mA

• Isolation Test Voltage, 2500 VACRMS

• TTL Compatible Output, VOL=0.1 V

• Adjustable Bandwidth-Access to Base

• Underwriters Lab File #E52744

APPLICATIONS

• Logic Ground Isolation-TTL/TTL, TTL/CMOS,

CMOS/CMOS, CMOS/TTL

• EIA RS 232C Line Receiver

• Low Input Current Line Receiver-Long Lines,

Party Lines

• Telephone Ring Detector

• 117 VAC Line Voltage Status Indication-Low

Input Power Dissipation

• Low Power Systems-Ground Isolation

DESCRIPTION

Very high current ratio together with 2500 VAC isolation

are achieved by coupling an LED with an integrated high

gain photodetector in a SOIC-8 package. Separate pins

for the photodiode and output stage enable TTL compat-

ible saturation voltages with high speed operation. Pho-

todarlington operation is achieved by tying the VCC and

VO terminals together. Access to the base terminal

allows adjustment to the gain bandwidth.

The SFH6318 is ideal for TTL applications since the

300% minimum current transfer ratio with an LED current

of 1.6 mA enables operation with one unit load-in and

one unit load-out with a 2.2 KW pull-up resistor.

The SFH6319 is best suited for low power logic applica-

tions involving CMOS and low power TTL. A 400% cur-

rent transfer ratio with only 0.5 mA of LED current is

guaranteed from 0

°C to 70°C.

Caution:

Due to the small geometries of this device, it should be handled

with Electrostatic Discharge (ESD) precautions. Proper ground-

ing would prevent damage further and/or degradation which

may be induced by ESD.

SFH6318

SFH6319

LOW CURRENT, HIGH GAIN

OPTOCOUPLER