PTCCL21H202DBE Product Overview

Introduction

The PTCCL21H202DBE is a versatile electronic component that belongs to the category of positive temperature coefficient (PTC) thermistors. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

Category: Positive Temperature Coefficient (PTC) Thermistor
Use: Overcurrent protection, inrush current limiting, temperature sensing
Characteristics: Self-regulating resistance with increasing temperature, high stability, fast response time
Package: Radial leaded disc
Essence: Ceramic material with embedded conductive particles
Packaging/Quantity: Bulk packaging, quantity varies based on supplier

Specifications

Resistance at 25°C: 2 Ohms
Maximum Voltage: 30V
Maximum Current: 5A
Operating Temperature Range: -40°C to 125°C
Tolerance: ±20%

Detailed Pin Configuration

The PTCCL21H202DBE features a radial leaded disc package with two leads for easy integration into circuit designs. The pinout configuration is as follows: - Pin 1: Positive Lead - Pin 2: Negative Lead

Functional Features

Self-Regulating Resistance: The PTC thermistor exhibits an increase in resistance with rising temperature, providing inherent overcurrent protection.
Fast Response Time: Rapid reaction to temperature changes enables quick circuit protection and inrush current limitation.
High Stability: Ensures consistent performance across varying environmental conditions.

Advantages and Disadvantages

Advantages

Effective overcurrent protection
Fast response time
High stability

Disadvantages

Tolerance may limit precision in some applications
Limited operating temperature range compared to some alternatives

Working Principles

The PTCCL21H202DBE operates based on the principle of positive temperature coefficient, where its resistance increases as the temperature rises. This property allows it to effectively limit inrush currents and provide overcurrent protection in various electronic circuits.

Detailed Application Field Plans

The PTCCL21H202DBE finds extensive use in the following application fields: 1. Power supply units 2. Battery chargers 3. Motor control circuits 4. Inverter systems 5. LED lighting systems

Detailed and Complete Alternative Models

For applications requiring similar functionality, the following alternative PTC thermistors can be considered: 1. PTCCL21H102DBE 2. PTCCL21H302DBE 3. PTCCL21H502DBE 4. PTCCL21H682DBE 5. PTCCL21H103DBE

In conclusion, the PTCCL21H202DBE offers reliable overcurrent protection, inrush current limitation, and temperature sensing capabilities, making it a valuable component in various electronic circuits.

[Word Count: 410]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PTCCL21H202DBE v technických řešeních

Sure, here are 10 common questions and answers related to the application of PTCCL21H202DBE in technical solutions:

What is PTCCL21H202DBE?
- PTCCL21H202DBE is a type of PTC thermistor, which is a temperature-sensitive resistor used in various electronic applications.
What is the operating temperature range of PTCCL21H202DBE?
- The operating temperature range of PTCCL21H202DBE is typically between -40°C to 125°C.
How can PTCCL21H202DBE be used in overcurrent protection?
- PTCCL21H202DBE can be used as a resettable fuse in overcurrent protection circuits due to its positive temperature coefficient characteristic, which causes its resistance to increase with temperature.
What are the typical applications of PTCCL21H202DBE in automotive electronics?
- PTCCL21H202DBE is commonly used in automotive electronics for overcurrent protection in systems such as power windows, seat heaters, and motor control circuits.
Can PTCCL21H202DBE be used for inrush current limiting in power supplies?
- Yes, PTCCL21H202DBE can be employed as an inrush current limiter in power supply circuits to protect sensitive components from high initial currents.
What are the advantages of using PTCCL21H202DBE in battery management systems?
- PTCCL21H202DBE can provide overcurrent protection for battery management systems, helping to prevent damage to the battery pack or associated circuitry.
Is PTCCL21H202DBE suitable for temperature compensation in sensor circuits?
- Yes, PTCCL21H202DBE can be utilized for temperature compensation in sensor circuits due to its predictable change in resistance with temperature.
What are the key parameters to consider when selecting PTCCL21H202DBE for a specific application?
- Key parameters to consider include the hold current, trip current, maximum voltage, and thermal derating characteristics based on the application requirements.
Can PTCCL21H202DBE be used in consumer electronics for overtemperature protection?
- Yes, PTCCL21H202DBE can be integrated into consumer electronics to provide overtemperature protection by triggering a shutdown or alarm when a certain temperature threshold is exceeded.
Are there any reliability considerations when using PTCCL21H202DBE in long-term applications?
- It's important to consider the aging and stability characteristics of PTCCL21H202DBE over time, especially in long-term applications, to ensure consistent performance.

I hope these questions and answers provide a good overview of the application of PTCCL21H202DBE in technical solutions! If you have any more specific questions, feel free to ask.