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EL827M
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 2CH TRANS 8-DIP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tube
- Number of Channels：2
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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)：60 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.400", 10.16mm)
- Supplier Device Package：8-DIP
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Overview
The EL827M is a dual-channel transistor output optocoupler manufactured by Everlight Electronics. It features an 8-pin DIP package with NPN phototransistor outputs. Key electrical parameters include a minimum current transfer ratio of 50% and a maximum of 600%. The device supports a maximum forward current of 60 mA with a forward voltage of 1.4 V. It provides 5000 Vrms insulation voltage and can withstand a maximum collector-emitter voltage of 80 V. The unit operates within a temperature range of -55°C to +110°C, with power dissipation rated at 200 mW.
Feature Summary
- Dual-channel configuration for independent signal isolation
- High isolation voltage capability between input and output circuits
- Wide operating temperature range suitable for industrial environments
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission in microprocessor-based circuits
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific suffix designation against the manufacturer's official datasheet to confirm pinout compatibility and packaging type. Ensure that the required current transfer ratio specifications align with the design constraints. Confirm RoHS compliance status and relevant safety certifications such as UL or VDE approval for the intended application region before finalizing procurement.
Selection Notes
Select this component when dual-channel isolation is required within a standard DIP-8 footprint. Consider the 5000 Vrms isolation rating for high-voltage separation needs. Evaluate the CTR range to ensure sufficient gain for the load requirements. Verify thermal management capabilities given the 200 mW power dissipation limit and the specified operating temperature extremes.
Part Context
The EL827M belongs to the EL827 series of photocouplers from Everlight Electronics. This series is designed for general-purpose isolation applications. The device utilizes a phototransistor output structure to transmit digital signals across an insulating barrier. It serves as a compact solution for noise immunity in electronic circuits.
Replacement Considerations
Cross-reference with other dual-channel transistor output optocouplers offering similar 5000 Vrms isolation and DIP-8 packaging. Verify pin compatibility and electrical parameter overlaps before substitution.
