Precision Thermistor PTC Electronics for RS232 RS485 protection-MZ9,MZ6 type

Reliable Circuit Protection with Precision Thermistor PTC for RS232 and RS485 Interfaces

The Precision Thermistor PTC Electronics, including the MZ31 series (MZ9 and MZ6 types), offer superior protection for RS485 and RS232 interfaces.This ptc device evolved from program-controlled security units used in SPC exchanges and offer robust protection for communication interfaces. By integrating a Precision Thermistor in tandem with the RS485 or RS232 communication interface, these ptc electronics components effectively prevent damage caused by accidental 220V power supply surges or lightning-induced voltages. With features such as small steady resistance, low rated current, high voltage endurance, and fast response, these Thermistor PTC devices are an economical choice for safeguarding of RS485 and RS232 communication interfaces.

• Precision Thermistor Solutions for RS232 and RS485 Protection

  The Precision Thermistor PTC device from the MZ31 series provide reliable protection for:

  • RS485 protection
  • RS232 protection
  • Other communication interfaces

  These PTC Electronics components are engineered for safeguarding sensitive communication systems. The Precision Thermistor PTC ensures fast response, preventing potential damage from voltage surges. Each PTC Device is designed to offer long-lasting and efficient circuit protection, maintaining optimal performance of RS485 and RS232 interfaces.

  

• Key Advantages of Precision Thermistor in RS485 and RS232 Protection

  The Precision Thermistor PTC offers several key benefits for circuit protection:

  • Small Steady Resistance: Minimizes impact on regular circuit operations.
  • Low Rated Current: Enhances energy efficiency within the circuit.
  • High Voltage Endurance: Withstands voltage surges, ensuring protection.
  • Fast Response: Reacts quickly to abnormal conditions, increasing safety.
  • Cost-Effective: Provides an economical solution for RS485 and RS232 protection.

  These PTC Electronics components are an ideal choice for safeguarding communication systems. The Precision Thermistor design ensures optimal performance and long-lasting protection.

• Key Features of Precision Thermistor for RS232 and RS485 Interfaces

Working Principle of Precision Thermistor for Circuit Protection

Automatic meter reading technology is increasingly popular in electronic power meters, utilizing a communication port that allows remote reading. RS485 is a reliable, cost-effective specification for such applications. The PTC Electronics provide crucial overvoltage protection in the circuit. For instance, if an RS485 wire is shorted to the main power line (e.g., 220/380V), the MZ31 Thermistor PTC is designed to protect the RS485 interface by quickly increasing resistance and effectively "turning off" the circuit to prevent damage. Once the fault is cleared, the Precision Thermistor automatically resets to their  low resistance state, allowing the circuit to resume normal operation.DXM's PTC Device is specially designed for RS-485 interface protection.

Dimensions and Marking of Part Numbers(Unit: mm)

Understanding the Precision Thermistor PTC Part Number Marking

The Precision Thermistor PTC part number for the MZ31 series provides critical information, ensuring easy identification and application. The key details are:

1. 1.Series: PTC Electronics for circuit, overvoltage, and overload protection.
2. 2.Type: 1: Disc,2: Encased,3: Pin form-coating,4: Pin form non-coating,5: SMD.
3. 3.Material:A: General, B: Compound, C: Module.
4. 4.Chip Size: 8: Φ8mm, 9: Φ9mm, 11: Φ11mm.
5. 5.Curie Temperature: F: 50℃, H: 75℃, N: 100℃, P: 120℃, K: 125℃.
6. 6.R25 Resistance: 6R0: 6Ω, 6R5: 6.5Ω, 70R: 70Ω, 121: 120Ω,
7. 7.Resistance Tolerance: K: +/-10%, M: +/-20%, H: +/-25%, N: +/-30%.
8. 8.Voltage Rating: 250: 250V, 265: 265V,
9. 9.Wire Shape: S: Straight, A: Axis formed, U: In-formed.

This detailed part number format ensures precise selection of the correct Precision Thermistor component, tailored for specific Thermistor PTC applications. Each PTC Device in the MZ31 series is optimized for RS485 and RS232 interface protection.

Specifications and Part Numbers for Precision Thermistor PTC in Circuit Protection

The Precision Thermistor PTC Electronics provide reliable circuit protection for a range of applications. Explore the key specifications at the bottom of this page.