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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)：100% @ 5mA
- Current Transfer Ratio (Max)：300% @ 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(GR-TPR,SE) is a single-channel phototransistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a surface-mount SOIC-6 package with a 4.40mm width. The device provides an isolation voltage of 3750Vrms minimum. Key electrical parameters include a collector-emitter voltage of 80V, a maximum forward current of 50mA, and a typical rise/fall time of 2µs/3µs. The Current Transfer Ratio (CTR) ranges from 100% to 300% at 5mA input. Operating temperature spans -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation between input LED and output phototransistor circuits.
- Features a compact thin profile suitable for space-constrained surface mount applications.
- Delivers fast switching response times for digital signal transmission.
- Complies with international safety standards including UL, cUL, and VDE certifications.
Applications
- Programmable logic controller (PLC) I/O interface isolation
- AC/DC input module signal isolation
- Telecommunications equipment interface protection
- Office automation device control circuits
Procurement Notes
Verify the specific suffix 'GR-TPR,SE' against official Toshiba documentation to confirm exact CTR binning and packaging configuration. Ensure the procurement channel sources genuine components with valid traceability records. Cross-reference the datasheet revision date to confirm compliance with current safety certifications such as UL1577 and EN60747-5-2 before finalizing orders.
Selection Notes
Select this component when a single-channel transistor output isolator with moderate speed is required. The GR suffix indicates a specific Current Transfer Ratio range; verify this matches the drive requirements of the downstream circuit. Consider the 3750Vrms isolation rating for primary-side sensing or secondary-side feedback loops in power supplies where galvanic separation is critical for safety.
Part Context
This part belongs to the Toshiba TLP series of small flat couplers designed for surface mounting. The TLP185 family utilizes an AlGaAs infrared LED coupled to a phototransistor. This specific variant integrates the GR grading for current transfer characteristics and TPR designation for tape-and-reel packaging, distinguishing it from tube-packaged or different CTR variants within the same base model line.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with direct replacements only through official Toshiba cross-reference lists or authorized distributor substitution tools.
