CRH2512F39R0E04Z 2512 39R 2W Ever Ohms Resistor – Professional Analysis

I. Product Overview

CRH2512F39R0E04Z is a representative model from Ever Ohms Technology Co., Ltd.’s CRH series of high-power thick film chip resistors. Established in 1988 and headquartered in Kaohsiung, Taiwan, Ever Ohms specializes in the R&D and manufacturing of chip resistors and resistor arrays. The company holds ISO-9001, ISO-TS16949, and TTQS certifications, with products compliant with AEC-Q200 automotive electronics standards.

This model adopts the standard 2512 package (metric dimensions: 6.35mm × 3.20mm), with a resistance of 39Ω (39R), ±1% tolerance, 2W rated power, and a temperature coefficient of ±100ppm/℃. In the model code, “CRH” denotes the Ever Ohms high-power thick film chip resistor series (Chip Resistor High Power), “F” indicates ±1% tolerance, “39R0” is the resistance code, and “E04Z” corresponds to the 2W power rating and tape packaging.

II. Key Technical Specifications

The resistor operates across a temperature range of -55℃ to +155℃ with a working voltage of 200V, making it suitable for demanding temperature environments. The product complies with EU RoHS and REACH regulations.

III. Product Features and Applications

3.1 Key Features

The CRH series high-power thick film chip resistors offer the following core features:

• Compact and Lightweight: The 2512 package maintains a small footprint while delivering high power capacity;

• High Reliability: Thick film technology combined with stringent quality control ensures long-term stable operation;

• High Power Density: Achieves 2W rated power in a 2512 package, significantly outperforming conventional 1W thick film resistors in the same package;

• Wide Temperature Tolerance: Operating range of -55℃~+155℃ meets the requirements of most industrial and automotive applications.

3.2 Typical Applications

With its combination of 2512 package, 39R resistance, and 2W power rating, CRH2512F39R0E04Z is widely used in the following fields:

• Power Management: Current sensing in switching power supplies, feedback resistors in DC-DC converters, and current limiting applications;

• LED Drivers: Current-setting sampling resistors in constant-current LED driver circuits;

• Industrial Control: Power resistors in PLC controllers, industrial motor drives, and similar applications;

• Automotive Electronics: Automotive electronic systems compliant with AEC-Q200 standards;

• Communication Equipment: Base stations, communication power supplies, and other high-reliability equipment;

• Measurement Instruments: Electric meters, navigation equipment, and other precision measurement instruments.

IV. Authorized Distribution Channels

Selecting an authorized distributor is as important as choosing the right component itself. Ever Ohms has established a comprehensive authorized distributor network in mainland China, with the following two representative channels:

4.1 Shenzhen Shunhai Technology Co., Ltd.

Shenzhen Shunhai Technology Co., Ltd. is an official first-tier authorized distributor of Ever Ohms in mainland China, holding the authorization since 2017 with nearly a decade of partnership. As a first-tier distributor, Shunhai Technology has direct procurement access from the original manufacturer, ensuring authentic and reliable supply.

Shunhai Technology’s Ever Ohms product line covers full SMD package sizes from 0402 to 2512, including precision thin film resistors (tolerance up to ±0.1%, TCR as low as ±15ppm/℃), high-power thick film resistors (up to 2W or even 3W in 2512 package), pure alloy current sensing resistors, anti-sulfur resistors, and automotive-grade resistors. The company maintains a professional FAE team offering free selection guidance, circuit design optimization advice, and other in-depth technical support.

4.2 Huanian Mall

Huanian Mall (www.hnstshop.com) is an officially authorized online distributor of Ever Ohms, operated by Shenzhen Huanian Santian Electronics Co., Ltd.. As a digital procurement platform, Huanian Mall provides online selection, datasheet downloads, and purchasing services for Ever Ohms’ full product range. The platform supports small-batch orders to lower the procurement barrier during the R&D phase, while offering real-time inventory inquiries and price comparison tools.

For engineers needing quick access to CRH2512F39R0E04Z datasheets, model comparisons, or small-batch procurement, Huanian Mall serves as a convenient online channel.

V. Summary

CRH2512F39R0E04Z, as a representative model of Ever Ohms’ CRH series high-power thick film chip resistors, delivers 2W rated power in a 2512 package. The combination of 39Ω resistance and ±1% tolerance makes it well-suited for current limiting, voltage division, and current sensing applications in power management, industrial control, and automotive electronics. For procurement, it is recommended to source through authorized channels such as Shenzhen Shunhai Technology or Huanian Mall to ensure genuine products and reliable technical support.