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EL3H4(A)(EB)-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% @ 1mA
- Current Transfer Ratio (Max)：150% @ 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(A)(EB)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an infrared emitting diode reverse-parallel connected to another, coupled to an NPN phototransistor. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum forward current of 50mA, and an isolation voltage of 3750 Vrms. The device operates within a temperature range of -55°C to +100°C and is housed in a compact SSOP-4 surface mount package.
Feature Summary
- Dual anti-parallel infrared LED input configuration for AC/DC compatibility
- High isolation voltage rating for safe circuit separation
- NPN phototransistor output for digital signal transmission
Applications
- Microprocessor system interface circuits
- Solid-state relay driver applications
- Signal isolation in industrial control systems
Procurement Notes
Verify the specific suffix EB against the manufacturer's latest datasheet to confirm pinout and packaging dimensions. Ensure compliance with RoHS directives as indicated in product documentation. Check for moisture sensitivity level requirements during storage and handling to prevent package damage before reflow soldering.
Selection Notes
Select this component when dual-input LED capability is required for AC line sensing or bidirectional input protection. The SSOP-4 package suits space-constrained PCB layouts. Confirm that the 80V output voltage rating meets the load requirements of the isolated side circuitry.
Part Context
This part belongs to the EL3H4 series of transistor output optocouplers from Everlight. The series is designed for general-purpose isolation tasks. Variations in suffixes typically denote packaging type or environmental compliance status rather than functional differences.
Replacement Considerations
Cross-reference with other EL3H4 variants such as EL3H4(A)(TA)-VG or EL3H4(A)(TB)-VG for pin-compatible alternatives. Verify that substitute parts maintain the same 3750 Vrms isolation rating and 80V collector-emitter voltage specifications.
