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EL3H7(F)(EA)-G
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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)：150% @ 5mA
- Current Transfer Ratio (Max)：300% @ 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(F)(EA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an infrared emitting diode optically coupled to an NPN phototransistor detector, encapsulated in green compound within a 4-SSOP package. The device provides an isolation voltage of 3750 Vrms and operates across a temperature range of -55°C to +110°C. This component is designed for applications requiring electrical isolation between input and output circuits.
Feature Summary
- Provides high-voltage electrical isolation via optical coupling between input and output circuits
- Integrates an infrared LED emitter with an NPN phototransistor detector for signal transmission
- Encapsulated in green compound for enhanced durability and environmental resistance
Applications
- Industrial control systems requiring signal isolation
- Consumer electronics with safety isolation requirements
- Power supply feedback loops
Procurement Notes
Verify the specific CTR binning associated with the (F)(EA) suffix against project requirements, as this designation indicates current transfer ratio specifications distinct from other variants in the EL3H7 series. Confirm package integrity and lead condition upon receipt. Ensure compliance with RoHS directives if required by the target application environment. Cross-reference datasheet revision dates to confirm parameter consistency.
Selection Notes
Select this variant when specific current transfer ratio ranges defined by the (F)(EA) suffix are necessary for circuit performance. Compare isolation voltage ratings and operating temperature limits against system constraints. Evaluate the 4-SSOP footprint compatibility with existing PCB layouts. Consider thermal management requirements given the wide operating temperature range specified for this component family.
Part Context
This component belongs to the EL3H7-G series of transistor output optocouplers from Everlight. The series typically includes various packages and CTR bins. The EL3H7(F)(EA)-G specifically denotes a surface-mount version in a 4-SSOP package with defined electrical characteristics. It shares the core architecture of infrared emission and phototransistor detection common to the broader product line.
Replacement Considerations
Direct substitutes may include other EL3H7 variants with matching CTR bins or compatible pinouts such as EL3H7(A)-G or EL3H7(EA)-G, provided the specific electrical parameters align with design needs. Verify package dimensions and isolation ratings before substitution.
