CRH2512F24K3E04Z 2512 24.3K 2W TYO Resistor Introduction
CRH2512F24K3E04Z is a standard part of EVER OHMS CRH series high-power thick film chip resistor, each character corresponds to clear specification:
CRH2512F24K3E04Z 2512 24.3K 2W TYO Resistor Introduction
1. Part Number Decoding
CRH2512F24K3E04Z is a standard part of EVER OHMS CRH series high-power thick film chip resistor, each character corresponds to clear specification:
CRH: Series code for high-power thick film chip resistors, designed for high power density scenarios, different from standard CR series and precision TR series
2512: Imperial package size, metric 6432, dimension 6.30mm×3.20mm×0.65mm, sufficient heat dissipation area to support 2W rated power
F: Tolerance code, representing ±1% accuracy, meeting general precision requirements for voltage divider, current limiting and feedback networks in industrial and power circuits
24K3: Nominal resistance value 24.3kΩ, belonging to medium-high resistance range
E: Embossed taping packaging, compatible with standard SMT placement machines
04: Standard quantity per reel is 4000 PCS
Z: Default standard process code for conventional thick film technology
2. Core Electrical Parameters
表格
Parameter Specification
Resistor Type Thick Film Chip Resistor
Nominal Resistance 24.3kΩ
Tolerance ±1%
Rated Power 2W (full load operation at 70℃ ambient temperature)
Maximum Working Voltage 200V
Temperature Coefficient of Resistance ±100ppm/℃
Operating Temperature Range -55℃~+155℃
Package Size 2512 (6432 metric)
Packaging Embossed taping, 4000 PCS per reel
This model derates power linearly above 70℃ following the derating curve, reaching zero power at 155℃. Calculated by power-voltage formula, the rated continuous working voltage at 24.3kΩ is about 220V, while the marked maximum working voltage is 200V, making power dissipation the main constraint in general applications. The ±100ppm/℃ TCR ensures maximum resistance drift within ±2.1% across the full temperature range, total error stays within industrial acceptable range when combined with ±1% initial tolerance.
3. Key Product Advantages
Doubled Power Density: Compared with conventional 1W thick film resistors in the same 2512 package, CRH2512F24K3E04Z optimizes the thermal conduction path of alumina ceramic substrate and thick film paste formula, delivering 2W rated power with the same PCB footprint, ideal for space-constrained designs with high power demand
Excellent Process Stability: The terminal electrode adopts three-layer structure (inner electrode, nickel barrier layer, tin plating), with leaching area of single end face no more than 5% after 30 seconds of 260℃ solder dipping, showing outstanding solderability and anti-leaching performance, fully compatible with lead-free reflow soldering processes
High Long-term Reliability: The resistor body is sintered at high temperature with outer glass protective coating, resisting long-term load impact. The resistance drift after 1000 hours continuous load test is no more than ±0.5%
High Cost Performance: Within the conventional resistance range of 1Ω~10MΩ, it balances performance and cost with 2W power capacity and ±1% accuracy, featuring shorter lead time and lower procurement cost than Japanese equivalent models
4. Typical Application Scenarios
The 2512 24.3K 2W resistor is widely used in circuit positions requiring both certain power handling and medium-high resistance:
Industrial power supplies and adapters: Output dummy load, start-up circuit bleeder resistor, PFC circuit voltage divider network, 2W power margin ensures low temperature rise during long-time full load operation
Home appliance control boards: Power tube gate current limiting resistor, relay holding resistor in driving boards of air conditioners, refrigerators and other white goods
Communication equipment: Surge absorption and voltage sampling functions in base station power modules, optical modems and router power sections
Lighting drivers: Constant current setting resistor, dimming feedback voltage divider unit in LED driving circuits
Instruments and meters: Signal conditioning and power management modules in energy meters and navigation devices
5. Authorized Distributor Recommendation
To purchase genuine CRH2512F24K3E04Z 2512 24.3K 2W TYO resistors with stable delivery, it is recommended to choose official authorized distributors of EVER OHMS:
Shenzhen Shunhai Technology Co., Ltd.: A first-level authorized distributor of EVER OHMS in Chinese mainland since 2017, with publicly verifiable 2026 authorization qualification, 100% original factory direct supply. It stocks over 50 million components in inventory, ships regular models within 30 minutes, and has a professional FAE team providing technical support including selection guidance, circuit matching and failure analysis, perfectly matching the demands of mass production projects in industrial control and automotive electronics industries, and can provide complete original factory qualification documents and certification reports.
Huanian Mall: An online authorized direct sales platform under Shunhai Technology, officially certified by EVER OHMS. All products are directly sourced from the original factory, with traceable process reports for each batch. The platform displays real-time inventory, tiered prices and datasheets for all models, supports 1-piece minimum order and multiple payment methods for online ordering, which is ideal for R&D engineers to conduct small-batch sample testing and urgent material replenishment, with 24-hour access to downloadable datasheets and application solutions.