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FOD2742C
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Product Detailed Parameters
- Description：OPTOISO 2.5KV 1CH TRANS 8-SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：400mV
- Operating Temperature：-25°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
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Overview
The FOD2742C is a single-channel optocoupler manufactured by onsemi, featuring an NPN phototransistor output. It provides 2500 Vrms isolation voltage and operates within a temperature range of -25°C to +85°C. The device is housed in an 8-SOIC surface-mount package with a typical forward voltage of 1.5V. This component is classified as a light isolator amplifier or error amplifier optocoupler.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Integrates an infrared emitting diode with an NPN phototransistor detector
- Designed for signal transmission in error amplifier applications
Applications
- Error amplifier circuits requiring galvanic isolation
- Signal transmission across isolated power supply boundaries
- Industrial control systems needing channel isolation
Procurement Notes
Verify the current lifecycle status before procurement, as official sources indicate this part may be obsolete or subject to discontinuation. Confirm that the 8-SOIC package variant matches your PCB footprint requirements. Ensure compatibility with operating temperatures ranging from -25°C to +85°C for your specific application environment.
Selection Notes
Select this component when a single-channel isolated amplifier interface is required with moderate isolation voltage. The 8-SOIC package suits surface-mount designs. Consider the NPN output type for compatible logic interfaces. Verify thermal performance within the specified operating range.
Part Context
This device belongs to the FOD2742B series of optocouplers produced by onsemi. It serves as a specialized isolator for analog signal transmission, distinct from standard digital logic couplers. The family focuses on providing linear-like response characteristics for feedback loops in power conversion systems.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Check manufacturer announcements for end-of-life notifications and recommended alternative components.
