MICROPAC INDUSTRIES, INC. OPTOELECTRONIC PRODUCTS DIVISION • 725 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 487-6918
www.micropac.com E-MAIL: optosales@micropac.com
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SINGLE CHANNEL OPTOCOUPLER
66156 PHOTODIODE OUTPUT
COAXIAL OR BULKHEAD MOUNT PACKAGES
Mii
OPTOELECTRONIC PRODUCTS
DIVISION
Features:
• High Reliability
• Bulkhead or Press fit version
• Rugged package
• Stabile over wide temperature
• +1.0kIV electrical isolation

Applications:

• Analog isolation
• Secure telecom
• Line receiver
• Medical
• Monitor motor control voltage
DESCRIPTION
The 66156 contains a Gallium Aluminum Arsenide (GaAIAs) infrared LED optically coupled to a silicon photodiode. This
66156-20X is a hermetically sealed package which is threaded in order to provide convenient bulkhead mounting and is
available in standard and screened versions or tested to customer specifications. The 66156-10X is a hermetically sealed
coaxial package which can be soldered or press-fit mounted and is also available in the same versions.
ABSOLUTE MAXIMUM RATINGS
Input to Output Voltage........................................................................................................................................................ 1.0kV
Reverse LED Input Voltage ......................................................................................................................................................3V
Peak Forward Input Current ≤ 1mS (LED, continuous) ....................................................................................................100mA
Continuous Transistor Power Dissipation at (or below) 25ºC Free-Air Temperature (see Note 2) ................................300mW
Average Forward Input Current ..........................................................................................................................................50mA
Reverse Current (LED).......................................................................................................................................................100µA
Reverse Voltage (Detector, 1 min. max) ................................................................................................................................40V
Total Output Power Dissipation ........................................................................................................................................100mW
Storage Temperature..........................................................................................................................................-65°C to +150°C
Operating Free-Air Temperature Range ..............................................................................................................-40°C to +85°C
Lead Solder Temperature (10 seconds max.) ................................................................................................................... 260°C
Notes:
1. Derate linearly to 125°C free-air temperature at the rate of 0.68 mA/°C above 65°C.
2. Derate linearly to 125°C free-air temperature at the rate of 3 mW/°C.
Package Dimensions Schematic Diagram
ANODE
CATHODE
RED DOT
CASE GND
ANODE
CATHODEWHITE DOT
PHOTODIODE
A
KA
K