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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 6-MFSOP
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：3µs, 3µs
- Rise / Fall Time (Typ)：2µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD (4 Leads), Gull Wing
- Supplier Device Package：6-MFSOP, 4 Lead
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Overview
The TLP121(V4-GR-TPL,F) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a gallium arsenide infrared emitting diode with a phototransistor in a compact DIP-4 plastic package. The device provides an isolation voltage of 3750 Vrms and a minimum collector-emitter breakdown voltage of 80 V. It features a nominal current transfer ratio of 100% and a maximum forward current of 50 mA. The component operates within a temperature range of -25 °C to 85 °C and includes UL recognition under file number E67349.
Feature Summary
- Integrates a GaAs infrared LED with a phototransistor for optical signal transmission
- Provides high electrical isolation with a 3750 Vrms insulation voltage rating
- Features a compact surface-mount compatible DIP-4 plastic package design
- Includes official UL recognition for safety compliance in industrial applications
Applications
- Office machines such as copiers and laser beam printers
- Programmable controllers for industrial automation systems
- AC and DC input modules for data acquisition systems
- Telecommunication equipment interface circuits
Procurement Notes
Verify the specific suffix (V4-GR-TPL,F) against the manufacturer's latest datasheet to confirm pinout compatibility and packaging type. Ensure that the required current transfer ratio rank meets the system design specifications. Confirm RoHS status and lead composition details prior to integration into final assemblies.
Selection Notes
Select this component for applications requiring galvanic isolation between low-voltage control circuits and higher-voltage loads. The transistor output configuration is suitable for switching signals where moderate speed is acceptable. Consider the thermal operating limits and ensure adequate heat dissipation if driving currents approach maximum ratings.
Part Context
This part belongs to the TLP121 series of mini flat couplers designed for space-constrained environments. The series is widely used in consumer electronics and industrial control panels. Toshiba utilizes advanced semiconductor processes to ensure consistent performance across the product line while maintaining strict safety standards for user protection.
Replacement Considerations
Consult the official Toshiba replacement guide for direct equivalents. Verify that any substitute maintains the same isolation voltage, pin configuration, and current transfer characteristics to ensure circuit functionality without redesign.
