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Solid State Optronics

Optocouplers

Optocouplers provide a means of optically-isolated signal coupling. Whereas SSO's MOSFET and SCR Output SSRs provide integrated switching solutions, our broad line of optocouplers allow for flexibility where completely electronically isolated devices can be coupled discretely to a wide range of load handling components such as Power MOSFETs and Triacs.

Composed of an IR LED optically coupled to various output types, SSO optocouplers provide designers with a wide range of devices to meet their signal coupling requirements.

Applications

  • Office equipment including: Registers, Copiers, Fax Machines, and Laser Printers
  • Home appliances, including; Microwave Ovens, Washers & Dryers, Refrigerator, Air conditioner, etc.
  • Signal transmission between circuits of different potentials and impedances
  • Medical instruments, physical and chemical equipment
  • System appliances, industrial robots, telephone sets etc.
  • Hybrid substrates that require high density mounting
  • Automatic vending machines
  • System appliances, Measuring instruments
  • Computer terminals, Programmable Controllers
  • Communications, Telephone, etc.
  • Audio & Video equipment
  • Switching power supplies
  • Programmable controllers

Composed of an IR LED, optically-coupled to a photo-transistor or photo-darlington transistor on the output, this category of devices offers the following Features:

  • High Isolation Voltage (up to 5000V),
  • Wide range of Current Transfer Ratios (50 to 9000%)
  • Wide range of Collector Emitter Voltage (60 to 300V)
  • CTR Binning available
  • High Input Sensitivity
  • Broad Range of Package Types (4pin SSOP to 16 pin DIP)
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Part
Number
Poles Input
Type
Output
Type
Package
Type
Collector
Emitter
Voltage
(V)
Saturation
Voltage
(V)
Rise
Time
(ms)
Fall
Time
(ms)
Current
Transfer
Ratio - MIN
(%)
Current
Transfer
Ratio - MAX
(%)
Isolation
Voltage
(Vrms)
Request
Samples
Analog:

composed of an IR LED, optically-coupled to a Photo-Diode with Transistor Output, these devices offer the following features:

  • High bit rates: 1Mb/s to 10Mb/s
  • High Bandwidth: 2.0MHz
  • High Isolation: 5kVrms

Available in 8 pin DIP/SMD packages.

Digital:

composed of an IR LED, optically coupled to a high speed optical detector, these devices offer the following features:

  • High bit rate: 10MBd
  • High Common Mode Rejection: 15kV/us
  • High Isolation Voltage: 5kVrms
  • High Common Mode Interference Immunity

Available in 8 pin DIP/SMD packages.

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Part
Number
Poles Input
Type
Output
Type
Package
Type
LED
Forward
Voltage
(V)
Current
Transfer
Ratio - MAX
(%)
Bitd
Rate
Propagation
Time
to Low
(ns)
Propagation
Time
to High
(ns)
Common
Mode
Transient
Immunity
(V/μs)
Isolation
Voltage
(Vrms)
Request
Samples

SSO Linear Optocouplers utilize IR LEDs coupled to SSO-Proprietary highly matched phototransistors to provide the highest transfer gain linearity in the market (ΔK3 , 0.1%).

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Part
Number
Poles Input
Type
Output
Type
Package
Type
LED
Forward
Voltage
(V)
Collector
Emitter
Voltage
(V)
K3
Transfer
Gain
MIN
(K2/K1)
K3
Transfer
Gain
MAX
(K2/K1)
K3
Transfer
Gain
Range
(K2/K1)
Transfer
Gain
Linearity
(ΔK3, %)
Isolation
Voltage
(Vrms)
Request
Samples

Schmitt Trigger optocouplers are high speed optocouplers that utilize a Schmitt Trigger to provide hysteresis to remove noise from signals in digital circuits.

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Part
Number
Poles Input
Type
Output
Type
Package
Type
LED
Forward
Voltage
(V)
Operating
Voltage
MIN
(V)
Operating
Voltage
MAX
(V)
Output
Current,
High
(μA)
Output Voltage
Low
(V)
Hysteresis
Ratio
Isolation
Voltage
(Vrms)
Request
Samples