— IC芯片 | 连接器 | 传感器 | 被动器件 —
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):160% @ 10mA
- Current Transfer Ratio (Max):320% @ 10mA
- 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:-
Download product information
Overview
The EL3H7(K)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output with a maximum collector-emitter voltage of 80V and a collector current rating of 50mA. The device provides 3750Vrms isolation voltage between input and output circuits. It operates within a temperature range of -55°C to +110°C and is housed in a surface-mount SSOP-4 package. The component complies with RoHS standards.
Feature Summary
- Provides high-voltage electrical isolation for signal transmission
- Utilizes an NPN phototransistor for digital switching applications
- Designed for surface-mount assembly in compact layouts
Applications
- Industrial control systems requiring circuit isolation
- Microcontroller interface circuits
- Power supply feedback loops
Procurement Notes
Verify the specific Current Transfer Ratio (CTR) bin, as the suffix 'K' denotes a particular gain range distinct from other variants like 'A' or 'C'. Confirm the package type matches the design footprint, as datasheets may list SOIC-4 or SSOP-4 interchangeably for this family. Ensure the ordering code includes the correct tape-and-reel designation if automated placement is required.
Selection Notes
Select this component when a wide operating temperature range and robust isolation are required. Compare the CTR specifications against other EL3H7 variants to ensure compatibility with the driving circuit's current requirements. Verify that the 50mA collector current limit meets the load demands of the target application without exceeding thermal dissipation limits.
Part Context
This part belongs to the EL3H7 series of transistor output optocouplers. The series offers various CTR bins and packaging options to suit different manufacturing needs. The K variant specifically targets applications requiring a defined gain range within the broader product line, ensuring consistency in mass production environments.
Replacement Considerations
Direct substitutes include other EL3H7 variants such as EL3H7(A)(TA)-G or EL3H7(C)(TA)-G, provided the CTR specifications align with the circuit design. Cross-reference pinouts and isolation voltages to ensure functional equivalence.
ChipApex | Global Electronic Components Supplier








