Recommended parameters for resistor 2512 1.18R model

Based on the model information you provided, the following is a detailed comparison and selection analysis of two metal film resistors with a 2512 package and a resistance of 1.18 Ω:

1. EGM25FU1R18DDS (anti surge metal film resistor)
Key parameters:
Package: 2512
Resistance: 1.18 Ω± 1%
Power: 3.5W (high-power design)
Temperature coefficient: ± 50ppm/℃ (high stability)
Features: Surge resistance, suitable for power protection, industrial equipment and other scenarios that are susceptible to current surges.
Environmental certification: Compliant with RoHS and REACH standards.
Procurement information:
Minimum order quantity: 5000 pieces
Current inventory: 0 (requires booking, long lead time).

2. EAM25FS1R18DDS (anti sulfurized metal film resistor)
Key parameters:
Package: 2512
Resistance: 1.18 Ω± 1%
Power: 2W
Temperature coefficient: ± 50ppm/℃
Features: Anti sulfurization design, suitable for sulfur-containing environments (such as chemical and oil and gas equipment), preventing sulfide corrosion and failure.
Environmental certification: Compliant with RoHS and REACH standards.
Procurement information:
Minimum order quantity: 4000 pieces
Current inventory: 0 (pre order required).

3. Advantages and Selection Comparison of Metal Film Technology
|Features | EGM25FU1R18DDS | EAM25FS1R18DDS|
|Power Capacity | 3.5W (Higher Load Capacity) | 2W|
|Core protection | Surge resistance (instantaneous current surge) | Sulfurization resistance (chemical corrosion protection)|
|Applicable scenarios | Power modules, motor drives | Chemical sensors, sulfur-containing environments|
|Temperature drift coefficient | ± 50ppm/℃ (both consistent) | ± 50ppm/℃|
|Minimum order quantity | 5000 | 4000|

The particularity of metal film technology:
Low resistance resistors (such as 1.18 Ω) typically use thick film or alloy technology, and these two use metal films that combine high precision (± 1%) and low temperature drift (± 50ppm), which are superior to conventional thick film resistors in terms of reliability and stability.

4. Reference for alternative models
If in stock or lower minimum order quantity is required, the following alternative solutions can be considered:
Vishay WSLT2512R1800FEA：  
Resistance 0.18 Ω (not 1.18 Ω), but accuracy ± 1%, automotive grade certification (AECQ200), supports small batch procurement.
Guoju RC2512JK7W1R8L:
Resistance value of 1.8 Ω (close to), power of 2W, low cost (starting from ¥ 0.83/piece), suitable for general scenarios.

Selection suggestions
High power demand (such as power circuit): Choose EGM25FU1R18DDS (3.5W);   
Adverse chemical environment: Choose EAM25FS1R18DDS (sulfur resistant);   
Urgent need for stock/small batch: Consider alternative models from Vishay or Guoju.   

Both of them are special metal film technologies, but the delivery time is long and they need to be purchased as a whole. It is recommended to plan and prepare materials in advance. For more detailed parameters, please refer to the product page of Huanian Mall（ https://m.hnstshop.com/productdetails/R2625121R18F1U001JEGMT.html ）And [Description of Anti Sulfurization Resistance]（ https://m.hnstshop.com/productdetails/R2825121R18F1S001JEAM.html ）.