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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 6-SOP
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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)：1.25V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：6-SOIC (0.173", 4.40mm Width), 4 Leads
- Supplier Device Package：6-SOP
- Grade：-
- Qualification：-
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Overview
The TLP185(TPL,SE is a single-channel phototransistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an aluminum gallium arsenide infrared emitting diode with a phototransistor in a compact SO-6 surface-mount package. The device provides electrical isolation between input and output circuits with a minimum isolation voltage of 3750 Vrms. Key electrical parameters include a collector-emitter breakdown voltage of 80V, a maximum forward current of 20mA, and a typical rise time of 5µs and fall time of 9µs. It operates within a temperature range of -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using infrared LED and phototransistor technology.
- Features a compact SO-6 surface-mount package designed for automated PCB assembly.
- Offers wide operating temperature range suitable for industrial environments.
Applications
- AC/DC input modules
- Programmable controllers
- Office equipment
Procurement Notes
Verify the specific suffix (TPL,SE) against the official Toshiba datasheet to confirm packaging type and compliance certifications. Ensure the selected variant matches the required Current Transfer Ratio (CTR) grade for the application. Confirm lead times and availability directly with authorized distributors as stock levels fluctuate.
Selection Notes
Select this component when a small form factor is required for signal isolation in low-to-medium speed applications. Consider the CTR specifications and switching speeds relative to the load requirements. Verify that the SO-6 package dimensions fit the board layout constraints and that the thermal performance meets the system's dissipation needs.
Part Context
The TLP185 series belongs to Toshiba's family of small flat couplers designed for surface mounting. These devices are engineered to replace larger through-hole optocouplers in space-constrained designs while maintaining robust isolation characteristics. The series includes various grades differentiated by CTR ranges and packaging options.
Replacement Considerations
Check for direct cross-references from manufacturers like Vishay or Broadcom offering similar SO-6 transistor output optocouplers with comparable isolation voltages and pinouts. Verify functional equivalence regarding switching speeds and CTR before substitution.
