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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)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：9µs, 9µs
- Rise / Fall Time (Typ)：5µs, 9µs
- 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
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Overview
The TLP185(GB-TPR,E) is a single-channel transistor output optocoupler manufactured by Toshiba. It integrates an aluminum gallium arsenide infrared emitting diode and a phototransistor within a compact SO-6 surface-mount package. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a collector-emitter breakdown voltage (VCEO) of 80 V, a maximum forward current (IF) of 50 mA, and a maximum collector current (IC) of 50 mA. The current transfer ratio (CTR) ranges from 100% to 400%. Switching characteristics feature a typical rise time of 2 µs and a fall time of 3 µs. The component operates within a temperature range of -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using optical coupling technology.
- Features a compact SO-6 surface-mount package designed for automated PCB assembly processes.
- Delivers fast switching performance suitable for digital signal transmission applications.
Applications
- Input/output interface isolation in programmable logic controllers
- Signal isolation in AC/DC input modules
- Communication equipment interface protection
Procurement Notes
Verify the specific suffix 'TPR' indicates tape-and-reel packaging configuration distinct from tube variants. Confirm RoHS compliance status through official documentation. Check for Not Recommended for New Design (NRND) status which may impact long-term supply availability. Validate pinout compatibility during integration planning.
Selection Notes
Select this component when high isolation voltage and moderate speed are required in a small footprint. Ensure the CTR range meets the drive requirements of the connected load circuit. Verify that the operating temperature range aligns with the environmental conditions of the final application.
Part Context
This part belongs to the TLP185 series of small form-factor optocouplers. The series offers various CTR grades and packaging options to suit different design constraints. The GB grade specifies the minimum current transfer ratio performance level for this specific variant.
Replacement Considerations
Consult official substitution lists for equivalent parts with matching isolation ratings and package dimensions. Verify functional compatibility before replacing existing designs.
