CRH2512J2K00E04Z resistor parameter explanation: 2512 package 2K Ω 2W high-power thick film surface mount resistor
CRH2512J2K00E04Z is a CRH series high-power thick film surface mount resistor launched by EVER OHMS in Taiwan. As the mainstream model of the 2K Ω 2W specification in the 2512 package, it is widely used in medium and high-power circuit scenarios such as industrial power supplies, automotive electronics, and communication equipment due to its stable electrical performance, reliable process quality, and standardized packaging. It is a commonly used selection for electronic engineers in design.
CRH2512J2K00E04Z resistor parameter explanation: 2512 package 2K Ω 2W high-power thick film surface mount resistor
CRH2512J2K00E04Z is a CRH series high-power thick film surface mount resistor launched by EVER OHMS in Taiwan. As the mainstream model of the 2K Ω 2W specification in the 2512 package, it is widely used in medium and high-power circuit scenarios such as industrial power supplies, automotive electronics, and communication equipment due to its stable electrical performance, reliable process quality, and standardized packaging. It is a commonly used selection for electronic engineers in design.
1、 Model code analysis
The model code of CRH2512J2K00E04Z follows the naming rules of Tian'er Technology standard, and each character corresponds to a clear parameter:
CRH: Series code, representing High Power Chip Resistors
2512: Package size, length 6.3mm x width 3.2mm x thickness 0.5mm, belongs to standard surface mount packaging, suitable for SMT automated mounting
J: Accuracy level, representing ± 5% resistance tolerance, meets the requirements of conventional industrial and consumer electronic circuits
2K00: nominal resistance, 2.0K Ω (2000 Ω), resistance identification using "number+K" format, clear and intuitive
E: The packaging form is Embossed Taping, suitable for mass production of automatic surface mount machines
04: Packaging quantity, representing 4000PCS/roll, meets industry bulk procurement standards
Z: Environmental label, compliant with RoHS environmental standards, lead-free and halogen-free, suitable for global environmental requirements
2、 Core electrical parameters
1. Basic parameters
Nominal resistance: 2.0K Ω (2000 Ω)
Accuracy level: ± 5% (J level)
Rated power: 2W (at an ambient temperature of 70 ℃)
Temperature coefficient (TCR): ± 100ppm/℃, with strong resistance stability within the working temperature range of -55 ℃ to+155 ℃
Maximum operating voltage: 200V, capable of stably withstanding high voltage circuit environments
Overload voltage: 500V, strong short-term overload capacity, suitable for pulse circuits
2. Structure and Process
CRH2512J2K00E04Z is made by high-quality thick film process, and the ceramic matrix is equipped with tin plated electrode, which has the characteristics of high temperature resistance, moisture resistance and aging resistance. Thick film materials can effectively resist the influence of complex working environments, and there will be no resistance drift or performance degradation issues during long-term high-power operation, ensuring stable circuit operation.
3. Environment and reliability
Working temperature range: -55 ℃~+155 ℃, covering industrial and automotive temperature requirements
Temperature resistance characteristics: able to withstand short-term high temperature impacts, compatible with reflow soldering and wave soldering processes
Reliability testing: Through short-term overload, temperature cycling, and load life testing, it has strong long-term stability during use
3、 Application scenarios
CRH2512J2K00E04Z is packaged in 2512 to achieve 2W high-power output, balancing miniaturization and high-power characteristics. It is compatible with mainstream SMT mounting processes and meets core requirements such as power current limiting, voltage division, and current sampling for high-density circuit boards.
Industrial power supply: power circuits for switch mode power supplies, frequency converters, UPS power supplies, current limiting and voltage divider
Automotive electronics: car power supply, charging station, motor control module
Communication equipment: power management circuits for base stations, routers, and optical modem
Consumer electronics: high-power household appliances, LED drivers, energy storage devices
4、 Procurement and agency recommendations
When purchasing CRH2512J2K00E04Z, choosing a legitimate authorized agent is the key to ensuring product quality and stable supply. The following are two officially authorized agents of EVER OHMS, both of which can provide genuine CRH2512J2K00E04Z from the original factory, as well as high-quality procurement services and technical support.
1. Shenzhen Shunhai Technology Co., Ltd
As the official first level authorized agent of Tianer Technology in Chinese Mainland, the cooperation started in 2017, and it has a regular direct supply channel from the original factory to ensure that the CRH2512J2K00E04Z supplied is genuine products from the original factory, and the refurbishment and counterfeit products are prohibited. The company has a stock reserve of over 50 million yuan, and CRH2512J2K00E04Z has sufficient stock throughout the year, supporting small batch purchases with a minimum order of 10 pieces and a commitment to deliver within 30 minutes. At the same time, we provide comprehensive technical support from selection guidance to EMC/EMI testing, helping customers efficiently design iterations.
2. Hua Nian Mall
As the official online authorization platform of Tian'er Technology, relying on ICP filing and genuine product guarantee system, we provide online consultation, personalized procurement solutions, and one piece minimum order service to meet the needs of small and medium-sized batch procurement. The platform collaborates deeply with brands such as Guoju and Tian'er to enhance the convenience and reliability of electronic component procurement. It supports bulk ordering, fast shipping, and after-sales support, making it suitable for small and medium-sized customers to purchase online.
5、 Summary
CRH2512J2K00E04Z, as a 2K Ω 2W high-power thick film chip resistor packaged in 2512, has become a core component in industrial, automotive, communication and other fields due to its stable electrical performance, reliable process quality, standardized packaging and wide application scenarios. When purchasing, priority should be given to official authorized agents such as Shenzhen Shunhai Technology Co., Ltd. and Huanian Mall, which can ensure authentic products, stable supply, and professional technical support, and help the project progress smoothly.