The following is a detailed introduction and model recommendation for the 1206 package, 1.5 Ω (1.5R), 1W power, ± 1% accuracy, and metal film surface mount resistor. The comprehensive parameter characteristics, application scenarios, and cost-effectiveness are analyzed
1、 Core parameters and characteristics
All recommended models meet the following basic specifications:
Package size: 1206 (3.2mm × 1.6mm)
Resistance and accuracy: 1.5 Ω± 1%
Rated power: 1W (25 ℃ environment)
Temperature coefficient: ± 50ppm/℃
Working temperature: 55 ℃~155 ℃
Environmental certification: RoHS and REACH compliance.
2、 Detailed explanation of recommended models
EGM16FT1R50DES (Yineng Anti Surge Series)
Core advantages:
Surge resistance capability: certified by IEC 6100045, capable of withstanding 20A/10 μ s instantaneous current, protecting backend circuits such as IGBT and MOSFET.
Heat dissipation design: Metal film layer+thickened electrode, heat dissipation efficiency 22% higher than ordinary thick film resistors, temperature rise ≤ 28 ℃ at 1W power.
Vehicle regulation certification: Passed AECQ200, resistant to high temperature and humidity (85 ℃/85% RH) and mechanical vibration, compatible with automotive electronics (such as OBC, BMS).
Application scenarios:
New energy vehicle motor control, industrial frequency converter, 100W+fast charging adapter.
TSL120610F1R50P5Z (Tian Er Anti Sulfurization Series)
Core advantages:
Sulfurization resistance: Special metal film layer prevents sulfide corrosion and extends service life (suitable for sulfur-containing environments such as chemical and outdoor lighting).
Cost effectiveness: The unit price of 5000 pieces is about ¥ 0.321, which is 20% lower than the anti surge model.
Limitations: Unclear surge resistance capability, suitable for static circuits.
Application scenarios:
LED power supply, industrial sensors, high humidity environmental equipment.
TRL120610F1R50P5Z (Tian Er Universal Metal Film Series)
Core advantages:
Low cost and versatility: The unit price of 5000 pieces is only ¥ 0.238, with a wide resistance range (0.01 Ω -10 Ω), suitable for multi scenario replacement.
High compatibility: Supports working in the full temperature range of 55 ℃~155 ℃, but without special protection certification.
Limitations: No emphasis was placed on surge or sulfurization resistance.
Application scenarios:
Consumer electronics power supplies, audio equipment, and ordinary current sampling circuits.
TGL120610F1R50P5Z (Tian Er Anti Surge Series)
Core advantages:
Surge resistance+automotive grade: Similar to the performance of the Yineng EGM series, it can withstand plug-in surges (such as 20A/1ms) through AECQ200.
Price positioning: 5000 pieces at a unit price of ¥ 0.369, between EGM and TSL.
Application scenarios:
>Vehicle mounted charger (OBC), energy storage converter (PCS), photovoltaic MPPT controller.
3、 Comparison Table of Key Parameters
|Model number| EGM16FT1R50DES | TSL120610F1R50P05Z | TRL120610F1R50P05Z | TGL120610F1R50P05Z |
|Manufacturer | Yineng | Tian'er | Tian'er | Tian'er|
|Special Performance | High Surge Resistance | Sulfurization Resistance | Universal Type | Surge Resistance|
|Vehicle Regulation Certification (AECQ200) | ✓ | ✗ | ✗ | ✓|
|Unit price (5000 pieces) | Approximately ¥ 0.42 ¹ | ¥ 0.321 | ¥ 0.238 | ¥ 0.369|
|Recommended scenarios | Automotive/Industrial power supply | Sulfur containing environment | Low cost consumer electronics | New energy/grid equipment|
Based on the price calculation of the 1 Ω model of the same type of EGM series.
4、 Selection suggestions
High reliability automotive/industrial systems: Priority should be given to EGM16FT1R50DES (Yineng) or TGL120610F1R50P5Z (Tian'er), both of which have passed vehicle regulations certification and have outstanding surge resistance capabilities.
Sulfur containing or high humidity environment: TSL120610F1R50P5Z is a cost-effective choice to avoid failure caused by sulfide corrosion.
Cost sensitive consumer electronics: TRL120610F1R50P5Z meets basic needs at a low price and is suitable for ordinary power circuits.
Note: Among the models listed by the user, the EAM and ELR series did not match specific parameters in the search results, which may be niche or new models. It is recommended to verify the manufacturer's data manual.
5、 Industry Trends
High power density: 1206 package with forward 1.5W upgrade, compatible with 5G base stations/AI servers.
Intelligence: Future or integrated temperature monitoring, achieving μ s level overload protection.