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EL3H4-VG
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SSOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：20% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 8µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SSOP
- Grade：-
- Qualification：-
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Overview
The EL3H4-VG is a single-channel phototransistor output optocoupler manufactured by Everlight Electronics. It provides electrical isolation with a rated isolation voltage of 3750 Vrms. The device features a GaAs infrared LED emitter coupled to a silicon phototransistor detector. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a forward current of 50 mA, and a dissipation power of 200 mW. The unit operates within a temperature range of -55 °C to +100 °C. Rise and fall times are specified at 6 µs and 8 µs respectively, supporting general-purpose signal transmission applications.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a gallium arsenide infrared LED for efficient light emission
- Integrates a silicon phototransistor for reliable signal detection
- Designed for surface mount installation in compact layouts
Applications
- Industrial control systems
- Medical devices
- Automotive applications
Procurement Notes
Verify the specific package suffix (e.g., TA for SOIC-4 or TB for SSOP-4) as the base model EL3H4-VG denotes the component family rather than a single physical form factor. Confirm lead times and availability through authorized distributors, as stock levels vary by region. Ensure the selected variant matches the required PCB footprint and moisture sensitivity level before finalizing procurement orders.
Selection Notes
Select this component when galvanic isolation is required for low-speed digital signals. The 80 V output voltage rating suits standard logic interfaces. Consider the thermal management requirements given the 200 mW power dissipation limit. Verify that the operating temperature range meets the environmental conditions of the target application site.
Part Context
This part belongs to the EL3H4-G series of transistor output optoisolators from Everlight Electronics. The series offers various package options including SOP and SSOP configurations. These components are designed for general-purpose isolation tasks where moderate speed and high reliability are necessary.
Replacement Considerations
Direct substitutes may include other single-channel phototransistor optocouplers with similar isolation ratings and pinouts. Verify compatibility regarding current transfer ratio and switching speeds before substitution.
