What are the models and manufacturer brands of 2512 1.2R 2W high-power resistors?

2512 1.2R 2W High Power Resistance Model and Manufacturer Brand Comprehensive Report
1、 Core manufacturer and model
1. National Giant (YAGEO)
model:
RC2512FK-7W1R2L: ± 1% accuracy, 2W power, thick film resistor
RC2512JK-7W1R2L: ± 5% accuracy, 2W power, thick film resistor
Parameters:
Resistance: 1.2 Ω
Package: 2512 (6432 metric)
Temperature coefficient: 200 ppm/° C
Working voltage: 200V
Application scenarios: High reliability power supply, industrial equipment, current detection
2. Burns
Model: CRM2512
Parameters:
Resistance range: 0.047 Ω -1M Ω (including 1.2 Ω)
Power: 2W (at 70 ° C)
Accuracy: ± 1%, ± 5%
Temperature coefficient: ± 100 ppm/° C (some models ± 200 ppm/° C)
Package: 2512
Application scenarios: current detection, power management, stepper motor drive
2、 Parameter comparison and selection suggestions
1. Comparison of key parameters
Manufacturer model, resistance, power accuracy, temperature coefficient, application scenarios
YAGEO RC2512FK-7W1R2L 1.2 Ω 2W ± 1% 200 ppm/° C high reliability power supply, industrial equipment
YAGEO RC2512JK-7W1R2L 1.2 Ω 2W ± 5% 200 ppm/° C Cost Sensitive Industrial Application
Bourns CRM2512 1.2 Ω 2W ± 1% ± 100 ppm/° C current detection, precision power management
2. Selection suggestions
High precision requirements: Bourns CRM2512 (± 1%, temperature coefficient ± 100 ppm/° C) is preferred, suitable for precision scenarios such as current detection.
Cost sensitive application: Choose YAGEO RC2512JK-7W1R2L (± 5% accuracy) to balance performance and cost.
Ultra low resistance scenario: If a resistance level of 1.2m Ω is required, TAI RLP25FEER0012 can be considered, but the specific resistance specifications need to be confirmed.
3、 Technical features and advantages
1. National Giant (YAGEO)
Thick film technology: using thick film technology to ensure stability at 2W power.
Metal electrode structure: improves terminal strength and welding reliability, suitable for high vibration environments.
RoHS compliance: Compliant with EU environmental standards and suitable for export products.
2. Burns
Wide resistance range: The CRM2512 series covers 0.047 Ω to 1M Ω, flexibly adapting to multiple scenarios.
Low temperature float design: ± 100 ppm/° C temperature coefficient, suitable for environments with large temperature changes.
Overload protection: Supports triple power overload for more than 5 seconds, enhancing reliability.
3. Other suppliers
Da Yi (TAI): Focusing on low resistance alloy resistors, suitable for high current sampling.
Shenzhen Haoou Electronics: Provides customized sampling resistors, supporting a power range of 1-3W.
4、 Application scenario examples
Power management:
Bourns CRM2512: Used for current detection in switching power supplies to ensure overcurrent protection.
Industrial equipment:
YAGEO RC2512FK-7W1R2L: Power allocation and current limiting in motor drive.
New energy vehicles:
TAI RLP25FEER0012: Current Sampling in Battery Management System (BMS).
5、 Summary
Mainstream choices: YAGEO RC2512 series and Bourns CRM2512 are preferred, covering high-precision and cost sensitive requirements.
Special scenarios: For low resistance or customized needs, please contact TAI or Shenzhen Haoou Electronics.
Verification suggestion: During actual selection, it is necessary to confirm the package size (2512 metric corresponds to 6.4 × 3.2mm), temperature range, and RoHS compliance.