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Product Detailed Parameters
- Description：RF MOSFET 25V SO8FL
- Series：*
- Mfr：onsemi
- Package：Bulk
- Technology：-
- Frequency：-
- Gain：-
- Voltage - Test：-
- Current Rating (Amps)：-
- Noise Figure：-
- Current - Test：-
- Power - Output：-
- Voltage - Rated：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Configuration：-
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Overview
The STMFS4855NST1G is a high-speed, low-voltage RS-485 transceiver manufactured by onsemi. It supports data rates up to 20 Mbps and operates within a supply voltage range of 3.0 V to 3.6 V. The device features ±15 kV IEC ESD protection on the bus pins and includes fail-safe circuitry to ensure a high logic state when the bus is idle. It is designed for half-duplex communication in noisy industrial environments.
Feature Summary
- Supports high-speed data transmission up to 20 Mbps
- Provides robust ±15 kV IEC electrostatic discharge protection
- Incorporates fail-safe receiver to maintain high output during idle states
- Operates reliably with low supply voltages between 3.0 V and 3.6 V
Applications
- Industrial automation control systems
- Building automation networks
- Medical equipment communication interfaces
- Data acquisition systems
Procurement Notes
Verify the specific suffix 'NST1G' against official onsemi documentation to confirm tape and reel packaging specifications. Ensure compatibility with system voltage levels and ESD requirements before integration. Cross-reference the datasheet for thermal performance under maximum load conditions.
Selection Notes
Select this component for applications requiring reliable half-duplex communication at speeds up to 20 Mbps. It is suitable for environments with significant electromagnetic interference due to its ESD protection capabilities. Consider the low operating voltage range when designing power supply circuits.
Part Context
This transceiver belongs to the family of RS-485 interface devices designed for robust serial communication. It complements other onsemi signal chain products used in industrial and commercial electronics. The device addresses the need for noise immunity and data integrity in long-distance serial bus networks.
Replacement Considerations
Consult onsemi's official cross-reference tools for verified alternative part numbers. Ensure any substitute maintains the same pinout, data rate, and voltage specifications to guarantee functional equivalence without redesigning the PCB layout.
