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ELD217(TB)
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 2CH TRANS 8-SOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：2
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：5µs, 4µs
- Rise / Fall Time (Typ)：1.6µs, 2.2µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOP
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Overview
The ELD217(TB) is a dual-channel transistor output optocoupler manufactured by Everlight Electronics. It features an 8-pin SOP package and provides electrical isolation with a rated insulation voltage of 3750 Vrms. The device utilizes NPN phototransistors for signal transmission, offering a maximum collector-emitter breakdown voltage of 80V and a peak forward current capability of 60mA. Designed for surface mount applications, it supports high-speed switching with a rise time of 1.6 microseconds.
Feature Summary
- Dual-channel configuration for independent signal isolation within a compact footprint
- High-voltage insulation capability ensuring safe separation between input and output circuits
- NPN phototransistor output structure providing reliable digital signal transfer
Applications
- Industrial control systems requiring galvanic isolation
- Signal interface modules in communication equipment
- Power supply feedback loops for safety compliance
Procurement Notes
Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status and moisture sensitivity level prior to storage and assembly. Ensure packaging integrity matches required reel or cut-tape specifications for automated placement processes.
Selection Notes
Select this component when dual-channel isolation is required in space-constrained designs. Evaluate the 3750 Vrms insulation rating against system safety standards. Consider the 80V collector-emitter voltage limit for load compatibility. Verify that the 1.6us rise time meets the application's switching speed requirements.
Part Context
This part belongs to Everlight's transistor output optocoupler family, designed for general-purpose isolation tasks. The ELD217 series offers variations in channel count and packaging. The TB suffix typically denotes specific binning or tape-and-reel configuration details within the manufacturer's catalog structure.
Replacement Considerations
Check for direct substitutes such as ELD217(TA) or ELD217(TB)-V which share similar pinouts and electrical characteristics. Verify functional equivalence regarding isolation voltage and channel count before substitution.
