ChipApex | Global Electronic Components Supplier
EL357NA(TB)-G
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：160% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 4µs
- 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-SMD, Gull Wing
- Supplier Device Package：4-SOP (2.54mm)
- Grade：-
- Qualification：-
Download product information
Overview
The EL357NA(TB)-G is a single-channel transistor output optocoupler from Everlight Electronics. It integrates an infrared emitting diode and an NPN phototransistor detector within a compact 4-pin SOP (2mm) surface-mount package. Key electrical parameters include a collector-emitter voltage of 80V, a maximum forward current of 50mA, and a total power dissipation of 200mW. The device offers a high isolation voltage of 3750 Vrms between input and output circuits. Operating temperature range spans from -55°C to +110°C. Current transfer ratio typically ranges from 50% to 600% at a forward current of 5mA.
Feature Summary
- Provides electrical isolation between input and output circuits using optical coupling technology.
- Features a compact 4-pin SOP surface-mount package designed for high-density PCB layouts.
- Ensures safety in industrial environments with high isolation voltage capability.
- Delivers stable performance across a wide operating temperature range.
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Communication equipment interface circuits
Procurement Notes
Verify the specific suffix variant against official Everlight documentation to ensure correct pinout and electrical characteristics. Confirm RoHS compliance status and packaging type requirements prior to ordering. Cross-reference datasheet specifications with system design constraints to validate thermal and electrical limits.
Selection Notes
Select this component when space-constrained designs require reliable galvanic isolation. Ensure the load voltage does not exceed 80V and the forward current remains within 50mA limits. Consider the CTR range for appropriate biasing in analog or digital switching applications.
Part Context
This part belongs to the EL357N-G series of transistor output optocouplers. The series is characterized by its ultra-small footprint and high reliability, targeting applications where board real estate is limited but robust signal transmission is critical.
Replacement Considerations
Consult official substitution lists for compatible equivalents. Verify pin compatibility and electrical ratings before replacing with alternative manufacturers' parts.
