CRH2512F180RE04Z 2512 180R 2W Ever Ohms Resistor Technical Analysis

1. Product Overview

CRH2512F180RE04Z is a high-power thick film chip resistor from EVER OHMS TECHNOLOGY CO., LTD., belonging to the CRH series. EVER OHMS, established in 1988 and headquartered in Kaohsiung, Taiwan, is an established manufacturer specializing in the R&D and production of chip resistors and resistor networks, certified under ISO-9001 and ISO-TS16949.

This model adopts the standard 2512 package (metric dimensions 6.35mm × 3.20mm), with a nominal resistance of 180Ω (180R), tolerance of ±1%, rated power of 2W, and temperature coefficient of ±100ppm/℃. As a representative model of the CRH series high-power products, this 2512 180R 2W resistor achieves double the power handling capability compared to conventional products in the same package size.

2. Part Number Decoding

The CRH2512F180RE04Z part number contains clear character meanings:

• CRH: EVER OHMS high-power thick film chip resistor series identifier, distinguishing from the standard-power CR series

• 2512: Package size, imperial 2512 (metric 6432)

• F: Tolerance grade, representing ±1% (J for ±5%, B for ±0.1%)

• 180R: Resistance value, 180Ω

• E04Z: Corresponds to 2W power rating and packaging code

3. Key Electrical Parameters

This 2512 180R 2W resistor operates across a temperature range of -55℃ to +155℃ with a maximum working voltage of 200V, suitable for diverse temperature environments and voltage conditions.

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4. Technical Characteristics

4.1 High Power Density Design

CRH2512F180RE04Z achieves 2W rated power within the standard 2512 package—this is its core technical advantage. Conventional 2512 thick film resistors typically support only 1W power. The CRH series doubles the power density through optimized thick film paste formulation, improved ceramic substrate thermal conductivity, and enhanced electrode processes. Specifically, the CRH series employs 96% high thermal conductivity alumina ceramic substrates with ruthenium-based thick film resistor paste via high-temperature sintering, achieving 40%-100% power improvement over standard CR series in the same package.

This characteristic is particularly critical for power supplies, industrial control, and communication equipment where space and thermal management are constrained.

4.2 Temperature Stability

The ±100ppm/℃ temperature coefficient ensures stable resistance values across a wide temperature range. Combined with the -55℃ to +155℃ operating temperature range, this 2512 180R 2W resistor is suitable for applications ranging from low-temperature environments to high-temperature industrial scenarios. The thick film porous structure provides excellent thermal shock resistance and is not easily damaged under short-term overload conditions.

4.3 Reliability and Miniaturization

CRH2512F180RE04Z features small size, light weight, and high reliability. The 2512 package delivers 2W power while maintaining a compact PCB footprint, balancing power requirements with layout flexibility.

4.4 Thermal Management Performance

Under 2W full-power operation, this resistor, combined with PCB copper foil heat dissipation area and via design, ensures junction temperature remains within safe limits over the long term. Conventional 1W resistors provide only 20% derating headroom, while the CRH series offers 60% derating headroom, resulting in lower operating temperatures and significantly improved long-term reliability.

5. Application Scenarios

As a 2512 180R 2W high-power thick film chip resistor, CRH2512F180RE04Z is widely used in the following fields:

• Power Equipment: Switching power supplies, lighting equipment, power modules, DC-DC converters

• Industrial Control: Servo drives, PLC current sensing and voltage divider protection

• Automotive Electronics: BMS battery management systems, OBC on-board charging modules

• Communication Equipment: 5G base stations, mobile phones, fax machines, and other communication infrastructure

• Consumer Electronics: Stereo systems, TV tuners, tape recorders

• Home Appliances: Air conditioners, refrigerators, rice cooker sensors

• Measurement Instruments: Electric meters, navigation equipment

• New Energy: Solar panels, energy storage equipment

In LED drivers, motor control, and other circuits requiring current limiting and voltage division, the 2512 180R 2W resistor, with its 2W power capacity and ±1% tolerance, is a reliable choice for power circuit design.

6. Procurement and Technical Support

For procurement and technical consultation regarding CRH2512F180RE04Z and the full range of EVER OHMS resistor products, the following authorized channels are recommended:

Shenzhen Shunhai Technology Co., Ltd. is an official first-tier authorized distributor of EVER OHMS in mainland China, with a partnership established since 2017. Shunhai Technology holds the 2026 EVER OHMS official authorization certificate (Certificate No.: TW0202601E0000122), valid throughout 2026. As a first-tier distributor, Shunhai Technology distributes the full range of EVER OHMS resistor products, including thick film chip resistors, precision thin film resistors, alloy resistors, high-power resistors, and automotive-grade resistors, with package sizes covering 0402 to 2512. The company maintains over 50 million pieces in stock, offering direct factory supply, ample inventory, and a professional technical support team covering circuit design and sample testing services.

Hua Nian Mall, as a professional electronic component supply chain service platform, has officially obtained sales authorization for the full line of EVER OHMS products, featuring the complete range of EVER OHMS resistors. CRH2512F180RE04Z has clear pricing tiers and inventory information available on Hua Nian Mall. The platform provides one-stop procurement solutions from selection to delivery, focusing on industrial control, automotive electronics, new energy, and AI hardware sectors. The platform holds authorized distribution credentials for major domestic and international brands including EVER OHMS, Walter, Samsung, Murata, and others, covering alloy resistors, precision resistors, capacitors, inductors, fuses, diodes, transistors, power devices, and integrated circuits. All materials are directly sourced from original manufacturers with full traceability, and each batch can be accompanied by complete compliance reports including ROHS and AEC-Q200.