For the mainstream models in the market you have listed, the power options of 1206 packaged 10 Ω resistors and their advantages compared to ordinary 0.25W thick film resistors are as follows:
1、 Power Options
0.5W model
Thick film: EHP16FU10R0EES (100ppm), EHP16JU10R0EES (100ppm)
Metal film: ELR16FU10R0DES (50ppm)
0.75W model
Thick film:` EHP16FQ10R0EEU`（100ppm）、`EHP16FQ10R0FEU`（200ppm）、`EHP16JQ10R0EEU`（100ppm）、`EHP16JQ10R0FEU`（200ppm）
1W model
Metal film: ELR16FT10R0DES (50ppm)
2、 Core advantages compared to ordinary 0.25W thick film resistors
Power density improvement
Ordinary thick film: 0.25W
High power model: 0.5W~1W (increased by 2~4 times), capable of withstanding larger currents or higher operating voltages under the same volume.
Optimization of Temperature Drift Coefficient (TCR)
Ordinary thick film: Typical TCR is ± 200~± 400ppm/℃
High power thick film: ± 100/200ppm/℃ (e.g. EEU=100ppm, FEU=200ppm)
Metal film: ± 50ppm/℃ (such as ELR series), significantly improved temperature stability, suitable for precision circuits.
Additional advantages of metal film models
Lower noise: Metal film resistors (such as ELR series) have lower noise than thick film resistors and are suitable for analog signal processing.
Higher reliability: The metal film structure has stronger resistance to pulses and overloads, and a longer lifespan.
Design flexibility
High power models allow for higher power in compact spaces such as the 1206 package, reducing PCB footprint.
3、 Analysis of key parameters for selection
Accuracy: 1% (e.g. suffix 'F'/'U') is used for precision circuits, and 5% (e.g. suffix 'J') is suitable for general scenarios.
Temperature Drift (TCR):
100ppm (EEU/EES): Suitable for industrial grade applications.
50ppm ('DES'): Used for high stability requirements (such as measuring equipment).
200ppm (FEU): Cost sensitive scenario.
Process differences:
Thick film (EHP series): High cost-effectiveness, covering 0.5W~0.75W.
Metal film (ELR series): 1W power+50ppm TCR, with optimal performance but higher cost.
4、 Typical application scenarios
0.5W thick film: power feedback circuit, LED driver.
0.75W thick film: DC/DC converter, motor control.
1W metal film: high-precision instruments, medical equipment, high-frequency switching power supplies.
>Summary: The high-power 1206 resistor solves the pain points of overheating and large temperature drift in compact designs of ordinary 0.25W resistors by improving power density, optimizing temperature drift, and reliability. The metal film model (such as ELR16FT) further offers a high-performance combination of 1W+50ppm, making it the preferred choice for precision design.