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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 6-SOP
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tube
- 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(SE) is a single-channel transistor output optocoupler featuring an infrared LED and phototransistor. It provides 3750Vrms isolation voltage with a minimum current transfer ratio of 50% (up to 600% for GB grade). The device supports a maximum collector-emitter voltage of 80V and a forward current of up to 50mA. Typical switching times are 2µs rise and 3µs fall. Operating temperature ranges from -55°C to +110°C, housed in a compact SO-6 package.
Feature Summary
- High isolation voltage capability of 3750Vrms for safe signal transmission
- Compact surface-mount SO-6 package design suitable for space-constrained applications
- Wide operating temperature range extending to 110°C for industrial environments
Applications
- Office equipment signal isolation
- Programmable logic controller input modules
- AC/DC input interface circuits
- Telecommunications equipment
Procurement Notes
Verify the specific suffix code (e.g., SE, GR, GB) against official Toshiba documentation to confirm exact electrical parameters such as CTR grades and packaging type. Ensure the component matches the required safety certifications like UL1577 or VDE for the target application. Confirm lead times and availability through authorized distributors, as stock levels vary by variant.
Selection Notes
Select this component when high isolation voltage and small form factor are critical. Compare CTR requirements; standard versions offer 50% minimum while GB variants provide higher gain. Check if the 80V collector voltage meets load requirements. Consider thermal management within the -55°C to 110°C range. Verify pinout compatibility with existing PCB layouts for SO-6 packages.
Part Context
Part of the Toshiba TLP series of small outline photocouplers. Designed for general-purpose digital signal isolation. Replaces older through-hole variants with surface-mount equivalents. Commonly used in consumer electronics and industrial control systems requiring reliable galvanic isolation between low-voltage control circuits and higher-voltage loads.
Replacement Considerations
TLP185(GB-TPL,SE(T)
FAQ
What is the typical switching speed of the TLP185(SE)?
The typical rise time is 2µs and the typical fall time is 3µs.
Does the TLP185(SE) support AC input signals directly?
No, it is designed for DC input. AC input requires external rectification or specific AC-input optocoupler variants.
