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EL3H7(C)(TA)-G
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SSOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：5µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°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 EL3H7(C)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with an NPN phototransistor detector, encapsulated in a green compound within a SOIC-4 surface-mount package. The device provides an isolation voltage of 3750 Vrms and supports a maximum collector-emitter voltage of 80 V. It operates within a temperature range of -55°C to +110°C, featuring a typical rise time of 5 µs and fall time of 3 µs. The component handles a maximum forward current of 50 mA and dissipates up to 200 mW.
Feature Summary
- High insulation voltage capability for safe signal transmission between isolated circuits
- Compact surface-mount SOIC-4 package design suitable for automated assembly
- Wide operating temperature range ensuring stability in harsh thermal environments
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission in microprocessor-based logic circuits
- Power supply feedback loops for noise immunity
Procurement Notes
Verify the specific CTR binning code corresponding to the suffix (C) against the manufacturer's datasheet to ensure it meets your circuit's gain requirements. Confirm that the SOIC-4 package dimensions align with your PCB footprint specifications. Check RoHS compliance status as indicated in official documentation before finalizing procurement orders.
Selection Notes
Select this component when high isolation voltage and compact packaging are required for single-channel applications. Ensure the NPN phototransistor output configuration matches the receiving circuit's input impedance. Verify that the 50 mA forward current limit and 80 V collector-emitter voltage exceed the operational demands of the target application.
Part Context
This part belongs to the EL3H7-G series of transistor output optocouplers from Everlight Electronics. The series utilizes an infrared LED coupled to a phototransistor, offering reliable performance in various isolation applications. The specific suffix indicates particular manufacturing tolerances and packaging variations within the broader product family.
Replacement Considerations
Cross-reference with other EL3H7 variants such as EL3H7(A)(TA)-G or EL3H7(B)(TA)-G if different Current Transfer Ratio (CTR) bins are needed. Ensure any substitute maintains the same SOIC-4 package and 3750 Vrms isolation rating.
