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EL3H7(B)(TB)-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)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 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(B)(TB)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides an insulation voltage of 3750 Vrms. The device operates within a temperature range of -55°C to +110°C. Key electrical parameters include a collector-emitter saturation voltage of 200 mV maximum, a forward current of 50 mA, and a power dissipation of 200 mW. The component is housed in a compact 4-pin SSOP package.
Feature Summary
- Provides high-voltage isolation with a 3750 Vrms insulation rating for safe signal transmission between circuits.
- Utilizes an NPN phototransistor output configuration for reliable switching and logic interfacing applications.
- Designed for surface mount installation in a compact 4-pin SSOP package to optimize board space.
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground planes
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix (B)(TB) against the manufacturer's datasheet to confirm the exact Current Transfer Ratio (CTR) binning and packaging type. Ensure the ordering information matches the required CTR range and reel specifications before finalizing procurement orders.
Selection Notes
Select this component when a low-profile SMD solution is required for high-voltage isolation. Consider the 3750 Vrms rating and the NPN output characteristics. Verify that the operating temperature range and package dimensions meet the design constraints.
Part Context
This part belongs to the EL3H7 series of ultra-small SSOP optocouplers from Everlight. The series offers various CTR bins and packaging options to suit different isolation requirements while maintaining a consistent form factor and electrical performance profile.
Replacement Considerations
Check for direct substitutes within the EL3H7 family or equivalent parts from other manufacturers offering similar 3750 Vrms isolation and SSOP-4 packaging. Verify pinout compatibility and electrical parameter equivalence before substitution.
