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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)：75% @ 5mA
- Current Transfer Ratio (Max)：150% @ 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(YH-TPL,SE) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an aluminum gallium arsenide infrared LED with a phototransistor in a compact surface-mount package. The device provides electrical isolation between input and output circuits with a minimum isolation voltage of 3750Vrms. Key electrical parameters include a collector-emitter breakdown voltage (Vceo) of 80V and a maximum DC forward current (If) of 50mA. The unit 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 light transmission.
- Features a compact surface-mount package designed for automated PCB assembly processes.
- Integrates an AlGaAs LED and phototransistor for efficient signal coupling and noise immunity.
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Interfacing between microcontrollers and high-voltage loads
Procurement Notes
Verify the specific suffix 'YH' against the official Toshiba datasheet to confirm the exact Current Transfer Ratio (CTR) binning, as this variant differs from standard TLP185 models. Ensure the ordering code includes '-TPL,SE' to guarantee tape-and-reel packaging and RoHS compliance. Cross-reference the manufacturer part number with distributor catalogs to avoid confusion with similar pin-compatible devices.
Selection Notes
Select this component when high isolation voltage and compact form factor are required for digital signal isolation. Consider the CTR specifications of the YH suffix to ensure adequate drive capability for the load. Evaluate the operating temperature range and package dimensions against board space constraints. Compare performance metrics with alternative transistors if higher speed or different isolation ratings are needed.
Part Context
The TLP185 series represents Toshiba's line of small-outline phototransistor optocouplers designed for general-purpose isolation applications. This model belongs to a family offering various CTR grades and packaging options. The YH suffix denotes a specific performance grade within the series, typically indicating a defined CTR range distinct from other variants like GB or GR. These components are widely used in industrial and consumer electronics for safety isolation.
Replacement Considerations
Public confirmed substitute part numbers: TLP185(GB-TPL,SE, TLP185(GR-TPL,SE, TLP185(TPL,SE, TLP185(BLL-TL,SE, TLP185(Y-TPL,SE). Verify pinout compatibility and isolation voltage ratings before substitution.
