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FOD250LT
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Product Detailed Parameters
- Description：OPTOISO 5KV TRANS W/BASE 8-DIP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：15% @ 16mA
- Current Transfer Ratio (Max)：50% @ 16mA
- Turn On / Turn Off Time (Typ)：1µs, 1µs (Max)
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：7V
- Current - Output / Channel：8mA
- Voltage - Forward (Vf) (Typ)：1.45V
- Current - DC Forward (If) (Max)：25 mA
- Vce Saturation (Max)：-
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.400", 10.16mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
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Overview
The FOD250LT is a high-speed transistor output optocoupler manufactured by Fairchild Semiconductor. It features an 8-DIP package and provides electrical isolation with a rated voltage of 5000Vrms. The device is designed for LVTTL and LVCMOS 3.3V applications, offering fast switching capabilities suitable for digital signal transmission across isolated boundaries.
Feature Summary
- High-speed transistor output configuration for rapid signal transfer
- Compatible with LVTTL and LVCMOS 3.3V logic families
- Provides robust electrical isolation between input and output circuits
Applications
- LVTTL/LVCMOS 3.3V interface isolation
- Digital signal transmission in isolated systems
- High-speed data handling applications
Procurement Notes
Verify the specific datasheet version and manufacturer documentation to confirm pinout compatibility and electrical ratings before integration. Ensure that the 8-DIP package dimensions match the target PCB footprint. Confirm that the 5000Vrms isolation rating meets the safety requirements of the intended application environment.
Selection Notes
Select this component when high-speed digital isolation is required for 3.3V logic systems. The transistor output type is suitable for interfacing with TTL-compatible inputs. Consider the 8-DIP package size for through-hole mounting constraints and verify thermal management needs based on the specific circuit load conditions.
Part Context
This part belongs to the FOD25 series of high-speed transistor optocouplers from Fairchild Semiconductor. These devices are engineered for applications requiring fast response times and reliable galvanic isolation. The LT suffix typically denotes a tape and reel packaging option within this product line.
Replacement Considerations
Check for direct equivalents within the FOD25 series or other high-speed transistor optocouplers with compatible 8-DIP packages and similar isolation voltages. Verify pin-to-pin compatibility and ensure that the replacement device meets the same LVTTL/LVCMOS 3.3V interface requirements.
