98-0431PBF Overview
The 98-0431PBF is a versatile optoelectronic component designed for signal isolation and switching applications in industrial and commercial electronics. Featuring a phototransistor output and an integrated optoisolator structure, this device offers reliable electrical isolation between input and output circuits. Its compact DIP-4 package enables straightforward integration into a range of PCB designs. The part is engineered to deliver robust performance in environments where signal integrity and isolation are critical. For sourcing and supply chain needs, trust IC Manufacturer for quality and availability.
98-0431PBF Technical Specifications
| Parameter | Value |
|---|---|
| Isolation Voltage | 5000 Vrms |
| Input Type | LED |
| Output Type | Phototransistor |
| Number of Channels | 1 |
| Package / Case | DIP-4 |
| Mounting Style | Through Hole |
| RoHS Compliance | Lead-Free (Pb-Free), RoHS Compliant |
| Operating Temperature Range | -55??C to +100??C |
98-0431PBF Key Features
- High isolation voltage (5000 Vrms): Ensures robust protection and separation between input and output circuits, reducing the risk of signal interference and enhancing safety in high-voltage environments.
- Phototransistor output: Provides reliable and fast signal transmission, which is crucial for accurate data transfer in sensitive applications.
- Single-channel configuration: Simplifies circuit design for targeted isolation tasks, minimizing board space and design complexity.
- Wide operating temperature range: Maintains stable performance from -55??C to +100??C, supporting use in demanding industrial and commercial environments.
98-0431PBF Advantages vs Typical Alternatives
Compared to standard optocouplers, this device offers a high isolation voltage and a reliable phototransistor output, making it ideal for applications demanding stringent noise immunity and signal fidelity. Its RoHS compliance and lead-free construction further enhance reliability and suitability for modern, eco-conscious designs. These combined benefits position it as a superior choice for robust signal isolation.
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Typical Applications
- Industrial control systems: Provides critical isolation between control logic and high-voltage power sections, improving operational safety and system reliability in factory automation and process control environments.
- Switching power supplies: Ensures safe feedback and regulation by isolating low-voltage control circuits from primary side power, preventing ground loops and electrical noise issues.
- Signal isolation in measurement equipment: Maintains signal integrity when interfacing sensitive analog or digital signals across different system domains.
- Microcontroller input protection: Protects microprocessor and logic circuits from voltage transients or surges originating from external signals or power sources.
98-0431PBF Brand Info
This device is produced by a reputable manufacturer recognized for high-reliability optoelectronic and isolation components. The part??s lead-free, RoHS-compliant construction aligns with global environmental and safety standards. Its design focuses on providing consistent performance and robust isolation in a wide variety of industrial and commercial applications, making it a trusted choice for engineers and OEMs seeking durable and compliant optoisolators.
FAQ
What is the primary function of the 98-0431PBF optoisolator?
The device??s main function is to electrically isolate input and output signals using an LED-phototransistor pair, which helps protect sensitive circuits and prevent unwanted electrical interference between system blocks.
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In what environments can the 98-0431PBF be reliably used?
With its wide operating temperature range from -55??C to +100??C and high isolation voltage, it is well-suited for both industrial and commercial environments where reliability and signal integrity are critical.
How does the lead-free, RoHS-compliant status benefit users?
The RoHS-compliant, lead-free construction ensures that the part meets current environmental regulations, which simplifies global product certification and supports corporate sustainability initiatives.
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Why choose a phototransistor output optoisolator?
Phototransistor output offers efficient signal transfer and fast response, making it ideal for data communication, switching, and real-time signal isolation tasks in control and measurement systems.
What package type does this part use, and what are its integration benefits?
It is supplied in a DIP-4 through-hole package, allowing for easy integration into standard PCBs, simplifying layout, and improving mechanical stability in industrial assemblies.






