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EL3H7(H)(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)：40% @ 10mA
- Current Transfer Ratio (Max)：80% @ 10mA
- 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(H)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and provides 3750 Vrms insulation voltage for signal isolation. The device operates within a temperature range of -55°C to +110°C. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum collector current of 50mA, and a power dissipation of 200mW. The current transfer ratio ranges from 40% to 80%. The component is housed in a tube package.
Feature Summary
- Provides high-voltage isolation with 3750 Vrms insulation capability between input and output circuits.
- Utilizes an NPN phototransistor output configuration for digital or analog signal transmission.
- Designed for wide industrial operating temperatures ranging from -55°C to +110°C.
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground potentials
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix (H) against the latest manufacturer datasheet to confirm the Current Transfer Ratio (CTR) binning, as variations exist within the EL3H7 family. Confirm RoHS compliance status and check for any regional distribution restrictions or discontinuation notices prior to finalizing procurement plans.
Selection Notes
Select this component when a standard NPN phototransistor output with moderate CTR (40-80%) is required. Ensure the 80V collector-emitter voltage rating meets the load requirements. Consider the SSOP/SOIC-4 package dimensions for PCB layout compatibility and verify thermal management needs given the 200mW power dissipation limit.
Part Context
This part belongs to the EL3H7 series of transistor output optocouplers from Everlight Electronics. The series offers various CTR bins and packaging options. The EL3H7(H)(TA)-G specifically denotes the H-bin CTR variant in tape-and-reel packaging, distinguishing it from tube-packed variants like the EL3H7(H)-G.
Replacement Considerations
Cross-reference with other EL3H7 variants such as EL3H7(A)(TA)-G or EL3H7(C)(TA)-G if different CTR specifications are acceptable. Verify pinout compatibility and package dimensions before substituting with generic NPN output optocouplers.
