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EL3H7(TB)-VG
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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)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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(TB)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and provides an isolation voltage of 3750 Vrms. 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 forward current of 50mA. The typical forward voltage is 1.2V, with a maximum collector-emitter saturation voltage of 200mV.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes an NPN phototransistor for digital signal transmission
- Designed for surface-mount assembly in compact form factors
Applications
- Industrial control systems requiring galvanic isolation
- Consumer appliances with mains interface requirements
- Computer peripheral interfaces
Procurement Notes
Verify the specific suffix designation against official Everlight documentation to confirm exact binning and packaging specifications. Ensure the component meets required insulation standards for the target application environment. Cross-reference datasheet revisions to confirm parameter consistency before finalizing procurement orders.
Selection Notes
Select this component when a small footprint and high isolation voltage are required for single-channel signal transfer. Consider the operating temperature range and CTR specifications relative to the load requirements. Verify compatibility with surface-mount reflow processes during design integration.
Part Context
This part belongs to the EL3H7 series of ultra-small SSOP optocouplers from Everlight. The series is characterized by its compact package size and robust isolation capabilities, suitable for space-constrained electronic designs requiring reliable signal coupling across isolated domains.
Replacement Considerations
Check for direct substitutes such as EL3H7(B)(TB)-VG or EL3H7(C)(TB)-VG, ensuring pinout and electrical characteristics match. Verify that alternative packages maintain the same isolation voltage and thermal performance.
