CRH2512F24R9E04Z 2512 24.9R 2W EVER OHMS Resistor – Multi-Dimensional Professional Analysis
I. Model Number Naming Convention
CRH2512F24R9E04Z is the complete part number for EVER OHMS CRH series high-power thick film chip resistor, following the company’s standardized naming rules:
| Field | Meaning | Description |
|---|---|---|
| CRH | Series code | High Power Thick Film Chip Resistor series, distinguishing from standard CR series |
| 2512 | Package size | EIA imperial package, metric size 6.35mm × 3.20mm |
| F | Tolerance | F=±1% (J=±5%, B=±0.1%) |
| 24R9 | Resistance value | 24.9Ω, R denotes decimal point |
| E04Z | Suffix code | Temperature coefficient and packaging specification, TCR ±100ppm/℃ |
Full interpretation: EVER OHMS CRH series, 2512 package, 24.9Ω resistance, ±1% tolerance, 2W power, ±100ppm/℃ TCR high-power thick film chip resistor.
II. Product Parameters
Key electrical and physical parameters of CRH2512F24R9E04Z:
| Parameter | Specification |
|---|---|
| Package Size | 2512 (imperial), 6.35mm × 3.20mm |
| Resistance | 24.9Ω (24.9R) |
| Tolerance | ±1% (Grade F) |
| Rated Power | 2W (continuous at 70℃) |
| TCR | ±100ppm/℃ |
| Max Operating Voltage | 200V |
| Withstand Voltage | 2000V pulse |
| Operating Temperature | -55℃ ~ +155℃ |
| Type | High Power Thick Film Chip Resistor |
| RoHS | Compliant (2011/65/EU), REACH SVHC free |
| Automotive Certification | IATF 16949 & AEC-Q200 compliant |
| Minimum Package Quantity | 4000 pieces/reel |
Key Parameter Analysis:
Power Density Breakthrough is the core feature. Standard 2512 package thick film resistors typically offer only 1W, while CRH series achieves 2W through optimized thick film paste formulation, ceramic substrate thermal paths, and multi-layer electrode design.
Temperature Characteristics: TCR strictly controlled at ±100ppm/℃, operating range -55℃ to +155℃. Compared to standard CR series (TCR typically ±200ppm/℃ to ±400ppm/℃), CRH series maintains superior stability across wide temperature ranges.
III. Applications
CRH2512F24R9E04Z (2512 24.9R 2W) is widely applied across multiple fields:
1. Industrial Control – Servo motor drivers, frequency converter control loops, overcurrent protection circuits
2. Automotive Electronics – New energy vehicle BMS balancing circuits, charging station designs, 400V power battery systems. AEC-Q200 qualified for automotive-grade reliability
3. New Energy & Communications – 5G base station power modules, high-frequency switching power supplies
4. LED Driving Circuits – Direct series connection for high-power LEDs (3W+)
5. Power Management & DC-DC Converters – Power modules and DC-DC converters requiring high power density
IV. Product Advantages
1. Leading Power Density – 2W in 2512 package, 100% power increase over standard 1W thick film resistors
2. Superior Temperature Stability – TCR ±100ppm/℃ across -55℃ to +155℃ full temperature range
3. High Reliability – IATF 16949 and AEC-Q200 certified
4. Environmental Compliance – RoHS and REACH compliant
| Model | Parameter |
| CRH2512F249RE04Z | 2512 249R 2W 1% |
| CRH2512F24K0E04Z | 2512 24K 2W 1% |
| CRH2512F24K3E04Z | 2512 24.3K 2W 1% |
| CRH2512F24R0E04Z | 2512 24R 2W 1% |
| CRH2512F24R9E04Z | 2512 24.9R 2W 1% |
| CRH2512F270RE04Z | 2512 270R 2W 1% |
| CRH2512F27K0E04Z | 2512 27K 2W 1% |
| CRH2512F27R0E04Z | 2512 27R 2W 1% |
| CRH2512F2K00E04Z | 2512 2K 2W 1% |
V. Brand Advantages
EVER OHMS TECHNOLOGY CO., LTD., established in 1988 in Taiwan, has over 30 years of R&D and manufacturing expertise in chip resistors and resistor arrays.
Deep Technical Foundation: Specializes in thick film large-size resistors, high-power resistors, thin film precision resistors, automotive-grade resistors, anti-sulfur resistors, high-voltage resistors, current sensing milli-ohm resistors, and alloy resistors. The 2030 size is a patented product with power up to 5W; thin film precision resistors achieve tolerance as low as ±0.01%.
Comprehensive Certifications: ISO 9001, IATF 16949, TTQS certified; AEC-Q200 compliant.
Complete Product Line: Package sizes from 0402 to 2512 and beyond, serving consumer electronics, industrial, and automotive applications.
VI. Authorized Distributors
Shenzhen Shunhai Technology Co., Ltd. is the official first-tier authorized distributor of EVER OHMS in mainland China. Since 2017, Shunhai Technology has held official first-tier authorization, with合作关系 spanning nearly a decade. The company provides full代理 of EVER OHMS current sensing resistors and chip resistor products, holding the 2026 authorization certificate (No. TW0202601E0000122). A professional FAE team offers circuit optimization and parameter calculation services.
HuaNian Mall (hnstshop.com), as a professional electronic component supply chain service platform, has obtained official sales authorization for EVER OHMS full product line. HuaNian Mall supports small-volume orders, reducing R&D procurement barriers, and provides real-time online inventory updates. CRH2512F24R9E04Z has clear price tiers and inventory information available on HuaNian Mall.
Engineers and procurement professionals can obtain genuine products, technical support, and stable supply through these authorized channels.
