TMOV14R420M Encyclopedia Entry
Product Overview
Category
The TMOV14R420M belongs to the category of metal oxide varistors (MOVs).
Use
It is used for surge protection in various electronic and electrical systems.
Characteristics
- High energy absorption capability
- Fast response time
- Wide operating voltage range
- Compact package size
Package
The TMOV14R420M is typically packaged in a cylindrical form with lead wires for easy integration into circuits.
Essence
The essence of TMOV14R420M lies in its ability to protect sensitive electronic components from voltage surges and transients.
Packaging/Quantity
It is commonly available in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
- Maximum Allowable Voltage: 420V
- Energy Rating: 14J
- Peak Current Capability: 6kA
- Operating Temperature Range: -40°C to 85°C
- Lead Material: Tin-plated copper
Detailed Pin Configuration
The TMOV14R420M typically has two lead wires for connection to the circuit. The pin configuration may vary slightly based on the manufacturer's specifications.
Functional Features
- Voltage clamping during transient events
- Absorption of surge energy
- Fast response to transient voltage spikes
Advantages
- Effective protection against voltage surges
- Compact design for easy integration
- Wide operating temperature range
Disadvantages
- Limited lifespan after multiple surge events
- Requires replacement after significant surge events
Working Principles
The TMOV14R420M operates based on the principle of nonlinear voltage-dependent resistance. When a surge occurs, the varistor conducts current, diverting the excess energy away from the protected circuit.
Detailed Application Field Plans
The TMOV14R420M is suitable for use in various applications, including: - Power distribution systems - Telecommunication equipment - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- TMOV20R320E: Similar surge protection capabilities with a higher energy rating
- TMOV25S421K: Higher voltage rating with comparable energy absorption characteristics
- TMOV10SP130E: Lower voltage rating for specific application requirements
In conclusion, the TMOV14R420M is a reliable metal oxide varistor designed to safeguard electronic and electrical systems from damaging voltage surges and transients. Its compact design, high energy absorption capability, and wide operating voltage range make it a valuable component in various applications.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af TMOV14R420M i tekniske løsninger
What is the maximum voltage rating of TMOV14R420M?
- The maximum voltage rating of TMOV14R420M is 420V AC.
What is the operating temperature range of TMOV14R420M?
- TMOV14R420M has an operating temperature range of -40°C to +85°C.
What is the typical capacitance of TMOV14R420M?
- The typical capacitance of TMOV14R420M is 1000pF.
What is the response time of TMOV14R420M?
- TMOV14R420M has a response time of less than 25 nanoseconds.
What is the maximum surge current capability of TMOV14R420M?
- TMOV14R420M has a maximum surge current capability of 10kA.
Is TMOV14R420M suitable for use in outdoor applications?
- Yes, TMOV14R420M is suitable for outdoor applications as it has a robust construction and is designed to withstand harsh environmental conditions.
Can TMOV14R420M be used in single-phase and three-phase systems?
- Yes, TMOV14R420M can be used in both single-phase and three-phase systems.
What is the lifespan of TMOV14R420M?
- TMOV14R420M has a lifespan of up to 50,000 cycles under normal operating conditions.
Does TMOV14R420M require any special mounting considerations?
- TMOV14R420M should be mounted in a manner that ensures good electrical contact and thermal transfer to the heat sink or mounting surface.
Is TMOV14R420M RoHS compliant?
- Yes, TMOV14R420M is RoHS compliant, making it suitable for use in environmentally sensitive applications.