CRH2512F22K0E04Z 2512 22K 2W Ever Ohms Resistor Introduction
CRH2512F22K0E04Z is a high-power thick film chip resistor from Taiwan Ever Ohms Technology's CRH series. Each segment of the part number corresponds to a clear technical specification:
CRH2512F22K0E04Z 2512 22K 2W Ever Ohms Resistor Introduction
1. Model Code Decoding
CRH2512F22K0E04Z is a high-power thick film chip resistor from Taiwan Ever Ohms Technology's CRH series. Each segment of the part number corresponds to a clear technical specification:
CRH: Product line identifier for Ever Ohms high-power thick film resistors. Different from the standard CR series (1W rating), it boosts the power rating to 2W in the same 2512 package, delivering leading power density in this form factor.
2512: EIA standard imperial package code, with physical dimensions of 6.35mm × 3.175mm. The wide alumina ceramic substrate provides sufficient heat dissipation support for 2W power dissipation.
F: Tolerance grade, representing ±1% precision, suitable for industrial circuits that require strict resistance deviation control.
22K0: Nominal resistance code, corresponding to 22kΩ (22 kiloohms). The 3-significant-digit marking ensures accurate transmission of resistance information.
E04: Termination process code, adopting nickel barrier + tin plating structure with excellent solderability and thermal shock resistance during soldering, also corresponding to the standard 4000PCS tape-and-reel packaging.
Z: Environmental protection mark, indicating lead-free and halogen-free process, fully compliant with RoHS directive requirements to meet global electronic product compliance standards.
2. Core Parameter List
表格
Parameter Item Specification
Rated Power 2W (full power operation at 70℃ ambient temperature)
Nominal Resistance 22kΩ
Resistance Tolerance ±1%
Temperature Coefficient (TCR) ±100ppm/℃
Operating Temperature Range -55℃ ~ +155℃
Power Derating Characteristic Linear derating above 70℃, power drops to 0 at 155℃
Maximum Resistance Drift Over Full Temperature Range ±2.2%, total deviation ≤±3.2% including initial tolerance
Termination Structure Nickel barrier layer + tin plating
Packaging Specification 4000PCS per reel
Environmental Compliance Lead-free, halogen-free, RoHS compliant
Reliability Test 1000-hour load life test, 1000-hour humidity load test, resistance change ≤±1%
3. Core Product Advantages
High Power Density: Delivers 2W rated power in the standard 2512 package, doubling the power handling capacity compared to conventional 1W thick film resistors of the same footprint. It meets high power consumption requirements without occupying extra PCB space.
Wide Temperature Range Stability: The ±100ppm/℃ TCR maintains stable performance across -55℃ to +155℃. Resistance drift is well controlled under large temperature fluctuations in industrial sites, ensuring long-term consistency of signal sampling and voltage division accuracy.
High Reliability: Passes two strict 1000-hour tests (load life and humidity load). It has strong short-term overload tolerance and is not easily damaged under surge impact, suitable for industrial equipment that runs continuously for long periods.
High Cost Performance: Positioned as a mid-to-high end industrial grade power resistor, priced between ordinary Taiwanese general-purpose resistors and high-end Japanese alloy resistors. It is the optimal balance of performance and cost in the 2512 22K 2W resistor segment.
Complete Compliance: The full series meets RoHS lead-free and halogen-free requirements, satisfying the access standards of mainstream global electronic markets without additional environmental compliance verification.
4. Main Application Scenarios
Power Management and Power Conversion: Used in output voltage divider networks and start-up circuit discharge loops of AC-DC switching power supplies and DC-DC converters. The 2W rated power can withstand peak power consumption at power-on, and 22kΩ resistance fits the typical voltage division range of conventional feedback loops.
Industrial Control and Automation: Applied in signal conditioning and voltage sampling circuits of PLC analog input modules, inverter drive boards and servo controllers. The excellent TCR index ensures stable signal collection accuracy under large temperature differences in industrial sites.
Communication Equipment: Used for surge suppression and bias circuits in base station power boards, optical module drive circuits and switch POE power supply modules. The 2512 2W specification provides higher power margin than 1206 and 2010 packages in limited PCB space, improving overall equipment reliability.
Non-automotive-qualified Automotive Electronics Scenarios: Used in voltage detection loops of on-board charger auxiliary circuits, DC-DC modules and BMS battery management systems. Its wide temperature range characteristics and environmental compliance meet the basic access requirements of on-board electronics.
Consumer Electronics and Home Appliances: Serves as bias resistors and feedback resistors in high-power LED drivers, smart home appliance main control boards and audio power amplifiers, balancing performance and mass production cost advantages.
5. Procurement Channel Recommendation
If you need to purchase CRH2512F22K0E04Z 2512 22K 2W Ever Ohms resistor, Shenzhen Shunhai Technology Co., Ltd. is the 2026 official authorized distributor of Ever Ohms Technology. It keeps full-range stock of the CRH series for a long time, provides original factory genuine sources, complete datasheets and quality certificates, and supports full-cycle delivery services from small-batch R&D prototyping to mass production. For online procurement, you can check the real-time inventory and quotation of this model on Huanian Mall. The platform supports fast model search, online order placement and technical parameter comparison, which is suitable for urgent material replenishment and scattered procurement scenarios. Both channels guarantee genuine products with parameters fully consistent with the original manufacturer datasheet.