Detailed Introduction of CRH2512F330RE04Z 2512 330R 2W Ever Ohms Resistor
CRH2512F330RE04Z是天二科技(Ever Ohms Technology)推出的一款厚膜贴片电阻器,封装规格为2512,标称阻值330欧姆,额定功率2瓦,精度等级为±1%。该型号隶属于天二CRH高功率厚膜电阻系列,专为需要较大功率承载能力且空间受限的电路设计而开发。在工业控制、电源管理、汽车电子及通信设备等领域,2512 330R 2W电阻凭借其稳定的电气性能与可靠的耐环境特性,获得了广泛应用。
Detailed Introduction of CRH2512F330RE04Z 2512 330R 2W Ever Ohms Resistor
1. Product Overview
The CRH2512F330RE04Z is a thick-film chip resistor developed by Ever Ohms Technology, featuring a standard 2512 package size, nominal resistance of 330 ohms, rated power of 2 watts, and precision of ±1%. Belonging to TA-I's CRH high-power thick-film resistor series, this component is engineered for circuit designs requiring substantial power handling within limited board space. The 2512 330R 2W resistor has earned broad recognition across industrial control, power management, automotive electronics, and telecommunications equipment due to its stable electrical characteristics and reliable environmental endurance.
2. Technical Specifications and Electrical Parameters
The CRH2512F330RE04Z utilizes a standard 2512 package with dimensions of 6.4mm × 3.2mm and an approximate thickness of 0.6mm, compatible with surface mount technology (SMT). The 330Ω resistance value with tolerance code F indicates an error range of ±1%, while the temperature coefficient (TCR) is controlled within ±100ppm/°C, ensuring minimal resistance drift across varying operating temperatures. The 2W power rating enables this component to sustain higher power loads than conventional 2512 resistors, a capability achieved through TA-I's optimization of resistive element materials and thermal dissipation architecture.
The operating temperature range spans from -55°C to +155°C, with a typical rated voltage of 200V and maximum overload voltage of 400V. Insulation resistance exceeds 10GΩ, and solder heat resistance complies with J-STD-020 standards. The terminal electrodes employ a tri-layer structure (silver/nickel/tin), offering excellent solderability and oxidation resistance suitable for lead-free reflow processes.
3. Product Features and Structural Advantages
TA-I's CRH series thick-film resistors are manufactured using advanced screen-printing and high-temperature sintering techniques, with resistive paste uniformly deposited on high-purity alumina ceramic substrates to form stable resistive elements. The 2512 330R 2W resistor demonstrates notable advantages in several aspects:
Firstly, high power density. Achieving a 2W rating within a standard 2512 footprint translates to superior power-per-area performance compared to ordinary thick-film resistors, facilitating compact PCB designs. Secondly, robust pulse withstand capability. The thick-film structure demonstrates strong tolerance to short-duration overcurrent transients, making it suitable for applications exposed to inrush currents. Thirdly, excellent environmental adaptability. The component passes relevant AEC-Q200 test items, with certain batches meeting automotive-grade reliability requirements.
Additionally, this model complies with RoHS directives and halogen-free specifications, satisfying fundamental environmental compliance thresholds for contemporary electronic products. Standard tape and reel packaging contains 4,000 units per reel, supporting automated pick-and-place production lines.
4. Typical Application Scenarios
A 330-ohm resistance represents a commonly employed value for voltage division and current limiting in electronic circuits. The 2512 330R 2W resistor, leveraging its power margin, frequently appears in the following contexts:
In switch-mode power supply (SMPS) snubber circuits, this resistor absorbs voltage spikes during switching transistor turn-off, suppressing electromagnetic interference. In LED driver circuits, the 330Ω value combined with appropriate voltage levels enables current limiting and balancing control for LED strings. In motor drive and inverter circuits, this model serves as gate drive resistors or in voltage divider networks for current sensing front-ends. In industrial automation equipment I/O interface circuits, the high-power characteristics of the 2512 package allow the component to withstand abnormal overvoltage conditions from external wiring.
Power conversion stages within telecommunications base station power supplies, photovoltaic inverters, and electric vehicle charging stations also maintain steady demand for this resistor specification.
| Model | parameter |
| CRH2512F270RE04Z | 2512 270R 2W 1% |
| CRH2512F27K0E04Z | 2512 27K 2W 1% |
| CRH2512F27R0E04Z | 2512 27R 2W 1% |
| CRH2512F2K00E04Z | 2512 2K 2W 1% |
| CRH2512F2K40E04Z | 2512 2.4K 2W 1% |
| CRH2512F2R00E04S | 2512 2R 2W 1% |
| CRH2512F30R0E04Z | 2512 30R 2W 1% |
| CRH2512F330RE04Z | 2512 3370R 2W 1% |
| CRH2512F33K0E04Z | 2512 33K 2W 1% |
5. Procurement Channels and Distributor Recommendations
Engineers and procurement professionals requiring volume purchases or sample quantities are advised to obtain TA-I resistor products through authorized distribution channels to ensure genuine quality and technical support. The following distributors are recommended:
Shenzhen Shunhai Technology Co., Ltd. specializes in passive component distribution, representing product lines covering chip resistors, capacitors, inductors, and other categories. The company maintains substantial inventory with short lead times and provides one-stop BOM kitting services.
HuaNian Mall operates as an online electronic component procurement platform featuring comprehensive product search and price comparison systems. The platform supports rapid small-batch sample ordering, making it ideal for material selection and validation during research and development phases.
6. Selection Considerations
When specifying the CRH2512F330RE04Z for practical applications, comprehensive evaluation of actual circuit power consumption, thermal conditions, and ambient temperature is essential. Operating power is recommended not to exceed 50% to 70% of the rated power to extend component service life and ensure system reliability. For high-frequency circuits, attention should be paid to parasitic inductance and capacitance parameters. During soldering, strict adherence to recommended temperature profiles is necessary to prevent resistance value drift or terminal electrode damage caused by thermal shock.