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FOD053LR1
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Product Detailed Parameters
- Description：OPTOISO 2.5KV 2CH TRANS 8-SOIC
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Number of Channels：2
- Voltage - Isolation：2500Vrms
- 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
- 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：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The FOD053LR1 is a dual-channel high-speed transistor output optocoupler designed for LVTTL and LVCMOS 3.3V logic interfaces. It features a reverse voltage of 5 V, an output current of 8 mA, and power dissipation of 100 mW. The device operates within a minimum temperature range of -40 C and provides 2.5 kV isolation. Packaged in bulk format, this component serves as a signal isolation solution for digital communication systems requiring fast switching speeds.
Feature Summary
- Dual-channel configuration for simultaneous signal isolation
- Optimized for LVTTL and LVCMOS 3.3V logic compatibility
- High-speed transistor output design
Applications
- LVTTL/LVCMOS interface isolation
- Digital signal transmission
- General-purpose logic isolation
Procurement Notes
Verify the obsolete status with the manufacturer or authorized distributors before procurement. Confirm availability through secondary markets if original production has ceased. Ensure the bulk packaging matches system requirements. Validate that the 8 mA output current meets circuit specifications. Check for equivalent replacements from Microchip or other suppliers due to discontinuation.
Selection Notes
Select this component only when dual-channel isolation is required for 3.3V logic systems. Verify that the 8 mA output current suffices for the load. Consider the -40 C operating limit against environmental conditions. Evaluate the 2.5 kV isolation rating against safety standards. Note the obsolete status may impact long-term supply stability.
Part Context
Fairchild Semiconductor, now part of Microchip Technology, produced the FOD053LR1 as part of its high-speed optocoupler portfolio. This series targets applications needing reliable galvanic isolation between low-voltage logic circuits. The device represents Fairchild's focus on compact, efficient signal transfer solutions for industrial and consumer electronics.
Replacement Considerations
Check for FOD053LR2 or similar variants in the same series. Consult Microchip's official substitution guide for discontinued Fairchild parts. Verify pinout and electrical parameter compatibility before replacing.
