Optocoupler 521 Series

Optocoupler 521 Series

Optocoupler 521 Series

Product catalog summary
Overview: The 521 Series Optocouplers are designed for intrinsically safe circuits, suitable for applications in electronics for mining, test & measurement, and automation technology. They serve markets such as oil & gas production, refinery, mining, medical, and others.
Specifications:
  • Isolation Voltage: Minimum 6,000 VDC
  • Current Transfer Ratio: Minimum 0.3 (Ic/If at If = 10mA)
  • Turn On Time: Typical 5.5 μsec
  • Turn-Off Time: Typical 4.2 μsec
  • Collector-Emitter Voltage: Maximum 70 VDC
  • Collector Current: Maximum 15 mA
  • Creeping Distance: Minimum 24.5 mm
  • Air Path Input/Output: Minimum 24.5 mm
  • Insulation Distance Emitter-Detector: Minimum 2.7 mm
  • Insulation Resistance Input/Output: Minimum 1013 Ohm
  • Transmission Frequencies: 50 kHz
Environmental Data:
  • Shock Resistance: Maximum 50 g (1/2 sine wave duration 11ms)
  • Vibration Resistance: Maximum 20 g
  • Operating Temperature: -40 to 85 °C
  • Storage Temperature: -40 to 100 °C
  • Soldering Temperature: Maximum 260 °C for 5 seconds
Handling Instructions: It is recommended to take normal static precautions during handling and assembly to prevent damage or degradation from electrostatic discharge (ESC).
Material Specifications:
  • Housing Material: Plastic
  • Case Color: Grey
  • Sealing Compound: Polyurethane
  • Connection Pins: Cu-Alloy, Tinned
  • Washability: Fully Sealed
Contact Information: For inquiries, contact Standex-Meder Electronics at their respective regional offices in the USA, Europe, or Asia.
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Catalog excerpts

Optocoupler 521 Series-1

A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components Series Datasheet – 521 Optocouplers Features: Optocoupler for Intrinsically Safe Circuits Applications: Electronics for Mining, Test & Measurement, Automation Technology Markets: Oil & Gas Production, Refinery, Mining, Medical, Test and Measurement, and others Part Description: Customer Options Coupler Characteristics Isolation Voltage Input / Output (min.) Current Transfer Ratio (min.) Ic/If CTR (If = 10mA) Air Path Input / Output min.) Turn-Off Time (typ.) Toff Insulation Distance Ermitter-Detecto (min.) Insulation Resistance Input / Output (min.) Transmission Frequencies │ [email protected][email protected][email protected] Modifications in the sense of technical progress are reserved.

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Optocoupler 521 Series-2

A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components Series Datasheet – 521 Optocouplers 521 Optocoupler Housing and Material Specifications Housing Material Case Color Sealing Compound Connection Pins Cu-Alloy, Tinned Fully Sealed Environmental Data Operating Temperature Storage Temperature Soldering Temperature (max.) 1/2 sine wave duration 11ms Test Circuit and Layout Test Circuit Handling Instructions It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced...

 Open the catalog to page 2

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