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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：6µs, 5µs
- Rise / Fall Time (Typ)：3µs, 4.7µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.25V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.300", 7.62mm)
- Supplier Device Package：4-DIP
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Overview
The TCET1203 is a single-channel optoisolator manufactured by Vishay Semiconductor Opto Division, featuring a transistor output configuration. It provides robust electrical isolation with a voltage rating of 5000Vrms between input and output circuits. The device is housed in a standard 6-DIP package suitable for through-hole mounting. Key electrical characteristics include a maximum collector-emitter voltage of 70V and a peak forward current capability of 60mA. The unit supports a continuous DC forward current of up to 50mA per channel. Operating temperatures range from -55°C to 110°C, ensuring reliability in demanding environments.
Feature Summary
- Provides high-voltage galvanic isolation for signal transmission
- Utilizes a transistor output stage for digital switching applications
- Designed for through-hole integration on printed circuit boards
Applications
- Industrial control system signal interfacing
- Microcontroller input isolation
- Power supply feedback loops
Procurement Notes
Verify the specific suffix code against the manufacturer's latest documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly. Cross-reference the pinout diagram with the target PCB footprint to prevent installation errors during production.
Selection Notes
Select this component when a transistor output is required for low-speed digital isolation rather than logic or phototriac outputs. Ensure the application voltage does not exceed the 70V collector-emitter limit. Consider the 6-DIP package dimensions for mechanical clearance constraints within the final enclosure design.
Part Context
This part belongs to the TCET series of optocouplers from Vishay, which are designed for general-purpose isolation tasks. The series offers various output types including transistors and logic gates. The TCET1203 specifically addresses applications needing moderate speed and high isolation voltage in a compact DIP format.
Replacement Considerations
Direct substitutes may include other Vishay TCET series variants with matching pinouts. Verify that any alternative maintains the same 5000Vrms isolation rating and transistor output type to ensure functional compatibility.
