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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 6-MFSOP
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR)
- 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)：1.15V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD (4 Leads), Gull Wing
- Supplier Device Package：6-MFSOP, 4 Lead
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Overview
The TLP121(GR-TPR,F) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a plastic DIP-4 package with tin/lead (Sn/Pb) terminals. The device provides a minimum collector-emitter breakdown voltage of 80 V and supports a maximum forward current of 50 mA. It offers a nominal current transfer ratio of 100% and a maximum dark current of 100 nA. The unit is rated for an insulation voltage of 3750 V and operates within a temperature range of -25 °C to 85 °C.
Feature Summary
- Provides electrical isolation between input and output circuits using a single transistor output configuration.
- Features UL recognition for safety compliance in end-use equipment.
- Utilizes a compact plastic DIP-4 package suitable for standard mounting applications.
Applications
- General-purpose signal isolation
- Microprocessor interface circuits
- Solid-state relay driver stages
Procurement Notes
Verify the specific suffix requirements when ordering, as variations such as GR, TPR, and F denote distinct packaging and compliance attributes. Confirm that the leaded terminal finish aligns with project specifications, as this variant contains lead. Ensure the selected part number matches the exact datasheet parameters required for the design, particularly regarding the 80 V breakdown voltage and 3750 V insulation rating.
Selection Notes
Select this component for applications requiring basic transistor output isolation with a high breakdown voltage capability. The 80 V collector-emitter rating distinguishes it from lower-voltage variants like the TLP721 series. Consider the DIP-4 form factor for through-hole implementations where space constraints allow. Verify thermal management needs against the 85 °C maximum operating temperature limit.
Part Context
This part belongs to the TLP121 family of transistor output optocouplers from Toshiba. The base model TLP121 serves as the core functional definition, while the suffixes define specific manufacturing and logistical attributes. This family is designed for general isolation tasks, differing from specialized gate drivers or logic-output isolators found in other Toshiba product lines.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with the official Toshiba datasheet for equivalent devices sharing identical pinouts and electrical characteristics.
