What are the models and manufacturer brands of 2512 1.2R 2W high-power resistors?
Date：2025-07-23
Viewed：5
2512 Package 1.2 Ω 2W High Power Resistance Model and Manufacturer Summary
Core models and manufacturers
1. Ever Ohms Technology
Model: CRH2512F1R20E04S
Parameters: 1.2 Ω, ± 1% accuracy, 2W power, ± 400ppm/℃ temperature coefficient, operating voltage 200V, -55 ℃~+155 ℃.
Features: Thick film resistor, braided packaging, compliant with RoHS standards, suitable for high power density scenarios.
Applications: power modules, industrial controls, automotive electronics.
Model: TRL2512-1R2-F (Metal Film/Alloy Resistance)
Parameters: 1.2 Ω, ± 1% accuracy, 2W power, ± 50ppm/℃ temperature coefficient.
Features: Low resistance design, high precision, suitable for current sampling and other scenarios.
Application: Precision instruments, medical equipment.
2. National Giant (YAGEO)
Model: RC2512FK-7W1R2L (± 1% accuracy)
Parameters: 1.2 Ω, 2W power, ± 200ppm/℃ temperature coefficient, -55 ℃~+155 ℃.
Features: Thick film resistor, ribbon packaging, certified according to AEC-Q200 automotive standards.
Applications: Automotive electronics, industrial control.
Model: RC2512JK-7W1R2L (± 5% accuracy)
Parameters: 1.2 Ω, 2W power, ± 200ppm/℃ temperature coefficient.
Features: Low cost, suitable for mass markets such as consumer electronics.
Applications: Home appliances, consumer electronics.
3. Thick Sound (UNI-OHM)
Model: 25121WF1R20T4E (± 1% accuracy)
Parameters: 1.2 Ω, 2W power, ± 100ppm/℃ temperature coefficient.
Features: Thick film resistor, ribbon packaging, suitable for industrial control and power modules.
Application: Power module, LED lighting.
Model: Alloy Resistance Series (such as R050)
Parameters: Low resistance design (such as 0.05 Ω), 2W power, ± 1% accuracy.
Features: Suitable for high-precision sampling scenarios such as current detection.
Applications: Battery management system, motor control.
4. Panasonic
Model: ERJ1TRQJ1R2U (± 5% accuracy)
Parameters: 1.2 Ω, 1W power (actual power to be confirmed), ± 100ppm/℃ temperature coefficient.
Features: Car grade thick film resistor, suitable for high temperature environments.
Application: Automotive electronics, industrial equipment.
5. Other brands
TT Electronics/IRC: LRC-LRF2512LF-01-R025F (0.025 Ω, 2W, ± 1% accuracy, discontinued, inventory confirmation required).
Fenghua High tech: Some models are sold through platforms such as 1688, so attention should be paid to parameter matching.
Comparison of key parameters
Brand, Model, Accuracy, Power (W), Temperature Coefficient (ppm/℃), Characteristics
Tian'er Technology CRH2512F1R20E04S ± 1% 2 ± 400 thick film, high voltage, braided packaging
Tian'er Technology TRL2512-1R2-F ± 1% 2 ± 50 metal film, low resistance, high precision
Guoju RC2512FK-7W1R2L ± 1% 2 ± 200 vehicle specification certification, thick film
Guoju RC2512JK-7W1R2L ± 5% 2 ± 200 Low cost, suitable for consumer electronics
Thick sound 25121WF1R20T4E ± 1% 2 ± 100 thick film, suitable for industrial control
Panasonic ERJ1TRQJ1R2U ± 5% 1 ± 100 vehicle specification level, some data needs to confirm power
Selection suggestions
High precision requirements:
Preferred: Tian'er Technology CRH2512F1R20E04S (± 1%, 2W, ± 400ppm/℃) or TRL2512-1R2-F (± 1%, 2W, ± 50ppm/℃).
Alternative: Thick Sound 25121WF1R20T4E (± 1%, 2W, ± 100ppm/℃).
Vehicle regulations application:
Recommendation: Guoju RC2512FK-7W1R2L (± 1%, 2W, AEC-Q200 certified).
Cost sensitive scenarios:
Selection: Guoju RC2512JK-7W1R2L (± 5%, 2W).
Low resistance and high precision:
Applicable: Thick sound alloy resistor series (such as R050, 0.05 Ω, 2W, ± 1% accuracy).
precautions
Power verification: Panasonic ERJ1TRQJ1R2U is labeled with a power of 1W, and it needs to be confirmed whether it meets the requirements.
Discontinued model: TT Electronics LRC-LRF2512LF-01-R025F has been discontinued, it is recommended to prioritize the production model.
If you need further technical support or sample application, please contact the corresponding brand authorized agent (such as Shunhai Technology, Huanian Mall).
