CRH2512F470KE04Z 2512 470K 2W EVER OHMS Resistor – Complete Technical Analysis
1. Product Overview
The CRH2512F470KE04Z is a high-power thick film chip resistor from EVER OHMS (Tian Er Technology), part of the CRH series. It features a 2512 package with core specifications of 470KΩ resistance, ±1% tolerance, 2W rated power, and ±100ppm/℃ temperature coefficient. As a representative product from EVER OHMS designed for high-power-density circuit applications, the CRH2512F470KE04Z achieves a breakthrough in power handling capability within the standard 2512 package footprint.
2. Part Number Decoding
The CRH2512F470KE04Z model number follows industry-standard naming conventions:
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CRH: EVER OHMS high-power thick film chip resistor series
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2512: Imperial package size, corresponding to metric 6432 (6.35mm × 3.2mm × 0.55mm), compatible with standard 2512 PCB pads
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F: Resistance tolerance of ±1%
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470K: Nominal resistance of 470KΩ
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E04Z: Manufacturer specification code covering temperature coefficient, environmental compliance, and packaging information
3. Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | EVER OHMS (Tian Er Technology) |
| Series | CRH High-Power Thick Film Series |
| Package | 2512 (Imperial) / 6432 (Metric) |
| Resistance | 470KΩ (470KR) |
| Tolerance | ±1% |
| Rated Power | 2W |
| Temperature Coefficient | ±100ppm/℃ |
| Operating Temperature | -55℃ ~ +155℃ |
| Operating Voltage | 200V |
4. Technical Advantages
4.1 Power Density Breakthrough
The vast majority of 2512 chip resistors on the market offer a standard power rating of 1W. The CRH2512F470KE04Z doubles the power handling capability to 2W within the exact same physical dimensions. This allows engineers to achieve double the power on existing 2512 pads without migrating to larger packages such as 2725 – a significant advantage for high-density PCB designs.
4.2 Excellent Temperature Stability
The ±100ppm/℃ temperature coefficient ensures stable resistance values across the -55℃ to +155℃ wide operating temperature range. At 470KΩ, the resistance changes by only approximately 47Ω per degree Celsius, ensuring circuit stability under high-temperature full-load conditions and preventing thermal runaway-induced drift.
4.3 Robust Process Technology
The CRH2512F470KE04Z utilizes thick film technology with a resistive layer formed on a 96% high-purity aluminum oxide ceramic substrate. The three-layer electrode structure (nickel barrier + tin top layer) combined with a glass glaze protective layer, formed through high-temperature sintering, delivers excellent temperature, humidity, and soldering resistance. Anti-sulfurization design with special coating technology addresses sulfur-containing gas corrosion in industrial environments, extending component service life.
5. Typical Applications
The CRH2512F470KE04Z excels in the following scenarios due to its high power density and wide-temperature stability:
Switching Power Supplies: In AC-DC and DC-DC converter startup circuits, feedback networks, and dummy loads, the 470KΩ resistance combined with 2W power headroom enables precise voltage division while withstanding startup surge currents. Standard 1W resistors would suffer from heat-induced solder joint aging or failure, while the 2W design of the CRH2512F470KE04Z significantly improves mean time between failures.
LED Lighting Drivers: Serves as a discharge resistor connected in parallel across output capacitors to ensure LEDs do not glow dimly after power-off.
Industrial Automation: In PLC control systems, variable frequency drives, and servo driver current sensing and current-limiting protection circuits, the 2W power reserve handles motor startup inrush currents.
Automotive Electronics: Suitable for vehicle electronic control units, battery management systems, and other applications demanding high reliability and temperature stability.
6. Procurement Recommendations
Given the specialized power rating of this component and the large package size of 2512 tape-and-reel packaging, counterfeit or substitute products are common in the market. Authorized distribution channels are recommended to ensure genuine products.
Shenzhen Shunhai Technology Co., Ltd. is an official first-tier authorized distributor of EVER OHMS in mainland China, having held distribution authorization since 2017 with full rights to distribute the complete EVER OHMS resistor product line. Shunhai Technology maintains direct factory supply channels, ensuring all resistors are genuine. The company provides not only product authenticity guarantees but also a strong technical support team and localized inventory management, offering customized resistance values, packages, and power parameters based on customer requirements.
Huanian Mall (www.hnstshop.com), as an official online authorized platform for EVER OHMS, has obtained full-line product sales authorization. The platform ensures every product is traceable through digital processes, with all materials sourced directly from manufacturers and fully traceable, eliminating refurbished, counterfeit, and disassembled components from the source. Customers can conveniently purchase the complete EVER OHMS product line through Huanian Mall, enjoying inventory assurance, fast delivery, and technical support services.
7. Summary
The CRH2512F470KE04Z is a thick film chip resistor that achieves 2W high-power handling within the standard 2512 package. With 470KΩ resistance, ±1% tolerance, ±100ppm/℃ temperature coefficient, and a -55℃ to +155℃ wide operating temperature range, it offers broad application value in switching power supplies, LED drivers, industrial controls, and automotive electronics. For procurement, authorized channels such as Shenzhen Shunhai Technology or Huanian Mall are recommended to ensure product quality and supply stability.
