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EL8172IS-T13
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EL8172IS-T13

Product Overview

Category: Optocoupler
Use: Isolation and signal transmission between two electrical circuits
Characteristics: High isolation voltage, high current transfer ratio, low power consumption
Package: SOP-4
Essence: Phototransistor output optocoupler
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Isolation Voltage: 5000 Vrms
  • Current Transfer Ratio (CTR): 50% to 600%
  • Collector-Emitter Voltage (VCEO): 35 V
  • Emitter-Collector Voltage (VECO): 7 V
  • Collector Current (IC): 50 mA
  • Power Dissipation (PD): 100 mW
  • Operating Temperature Range: -55°C to +110°C

Pin Configuration

The EL8172IS-T13 optocoupler has a SOP-4 package with the following pin configuration:

  1. Anode (A)
  2. Cathode (K)
  3. No Connection (NC)
  4. Collector (C)

Functional Features

  • High isolation voltage ensures safe signal transmission between circuits
  • Phototransistor output provides fast response time and high-speed switching capability
  • Low power consumption makes it suitable for energy-efficient applications
  • Wide operating temperature range allows for use in various environments

Advantages

  • Provides electrical isolation between input and output circuits, protecting sensitive components from voltage spikes and noise
  • Compact SOP-4 package saves board space and simplifies assembly
  • High current transfer ratio enables efficient signal transmission even at low input currents

Disadvantages

  • Limited maximum collector-emitter voltage may restrict its use in certain high-voltage applications
  • Non-standard pin configuration may require additional attention during circuit design and layout

Working Principles

The EL8172IS-T13 optocoupler consists of an infrared LED and a phototransistor. When current flows through the LED, it emits infrared light that is detected by the phototransistor. The phototransistor then amplifies the received signal and provides electrical isolation between the input and output circuits.

Detailed Application Field Plans

The EL8172IS-T13 optocoupler finds applications in various fields, including:

  1. Industrial automation: Isolation and signal transmission in control systems
  2. Power electronics: Protection and feedback circuits in power supplies and inverters
  3. Communication systems: Signal isolation and level shifting in data transmission
  4. Medical equipment: Isolation and safety circuits in patient monitoring devices
  5. Automotive electronics: Isolation and noise suppression in automotive control modules

Alternative Models

  • EL817C
  • PC817
  • TLP521-1
  • SFH620A-3
  • PS2501-1

These alternative models offer similar functionality and can be used as substitutes for the EL8172IS-T13 optocoupler in various applications.

Note: This entry contains 345 words.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de EL8172IS-T13 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of EL8172IS-T13 in technical solutions:

  1. Question: What is EL8172IS-T13?
    - Answer: EL8172IS-T13 is a photocoupler IC (Integrated Circuit) that consists of an infrared emitting diode and a phototransistor.

  2. Question: What is the purpose of using EL8172IS-T13 in technical solutions?
    - Answer: EL8172IS-T13 is commonly used for electrical isolation, signal transmission, noise reduction, and voltage level shifting in various electronic applications.

  3. Question: What is the maximum forward current of the infrared emitting diode in EL8172IS-T13?
    - Answer: The maximum forward current of the infrared emitting diode is typically 50mA.

  4. Question: What is the maximum collector-emitter voltage of the phototransistor in EL8172IS-T13?
    - Answer: The maximum collector-emitter voltage of the phototransistor is typically 80V.

  5. Question: Can EL8172IS-T13 be used for high-speed applications?
    - Answer: Yes, EL8172IS-T13 has a high-speed response time, making it suitable for high-speed applications.

  6. Question: What is the operating temperature range of EL8172IS-T13?
    - Answer: The operating temperature range of EL8172IS-T13 is typically -55°C to +110°C.

  7. Question: How can EL8172IS-T13 be connected in a circuit?
    - Answer: EL8172IS-T13 can be connected by connecting the anode of the infrared emitting diode to the positive supply voltage and the cathode to the ground. The collector of the phototransistor is connected to the output circuit, and the emitter is connected to the ground.

  8. Question: Can EL8172IS-T13 be used for AC signal transmission?
    - Answer: Yes, EL8172IS-T13 can be used for AC signal transmission by connecting it in series with a coupling capacitor.

  9. Question: What is the typical isolation voltage of EL8172IS-T13?
    - Answer: The typical isolation voltage of EL8172IS-T13 is 3750Vrms.

  10. Question: Are there any recommended application circuits available for EL8172IS-T13?
    - Answer: Yes, the datasheet of EL8172IS-T13 provides several recommended application circuits that can be used as reference designs for different technical solutions.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of EL8172IS-T13.