1206 4.02R 1W resistor model, application market and advantage analysis

1206 4.02R 1W resistor model, application market and advantage analysis
1、 Model analysis
1. ELR16FT4R02DES (Ellon brand, metal film resistor)
Specification: 1206 package, 4.02 Ω, 1W power, 1% accuracy, 50ppm temperature coefficient.
Application Market:
Consumer electronics: power management modules (such as DC-DC converters), home appliance control boards (temperature sensing voltage divider networks).
General industry: precision current sampling, voltage divider circuits, and other scenarios that require high resistance stability.
Advantages:
High precision (1%): Ensure the accuracy of precision circuits, such as current detection and signal conditioning.
Low temperature coefficient (50ppm/℃): Low resistance fluctuation in a wide temperature environment, improving circuit stability.
Metal film process: low noise, high reliability, suitable for scenarios with high signal quality requirements.
2. EAM16FT4R02DES (Ellon brand, sulfur resistant metal film resistor)
Specification: 1206 package, 4.02 Ω, 1W power, 1% accuracy, 50ppm temperature coefficient, sulfur resistant design.
Application Market:
Automotive electronics: ECU control unit, battery management system (BMS), on-board charger (OBC).
Industrial control: PLC modules, frequency converters, photovoltaic inverters.
Sulfur containing environment: chemical equipment, coal mines, outdoor facilities (resistant to hydrogen sulfide corrosion).
Advantages:
Sulfur resistance: The special metal film layer prevents corrosion by sulfides, avoiding resistance drift or failure.
Vehicle specification certification (AEC-Q200): can withstand a wide temperature range of -55 ℃~155 ℃, 85% high humidity, and vibration environment.
High surge resistance: The nickel chromium alloy film layer can withstand 20A/10 μ s pulse current, protecting the backend devices.
3. TSL120610F2R00P05Z (Tian Er brand, anti sulfide metal film resistor)
Specification: 1206 package, 4.02 Ω, 1W power, 1% accuracy, 50ppm temperature coefficient, sulfur resistant design.
Application Market:
New energy vehicles: motor controller, BMS system.
Industrial equipment: industrial frequency converter current detection, photovoltaic MPPT controller.
Adverse environment: outdoor equipment, chemical production lines (resistant to sulfide corrosion).
Advantages:
Resistance to sulfide corrosion: By using special processes to resist sulfides, the service life is extended.
Vehicle grade reliability: certified by AEC-Q200, suitable for high vibration and high humidity environments.
Heat dissipation optimization: Thickened electrode copper layer (50 μ m), temperature rise ≤ 30 ℃ at 1W power, supports high-density PCB layout.
2、 Overview of Application Market
1. Consumer electronics
Scenario: Mobile phone/tablet charger, home appliance control board, LED driver power supply.
Requirements: Low cost, small size, high precision (such as ± 1%).
Applicable model: ELR16FT4R02DES (Universal Metal Film Resistors).
2. Automotive Electronics
Scenario: ECU, BMS, on-board charger (OBC), motor controller.
Requirements: sulfur resistance, vehicle certification, high reliability.
Applicable models: EAM16FT4R02DES (sulfur resistant+vehicle specification), TSL120610F2R00P05Z (sulfur resistant+vehicle specification).
3. Industrial control
Scenario: PLC modules, frequency converters, photovoltaic inverters, industrial sensors.
Requirements: sulfur resistance, high-power processing, wide temperature stability.
Applicable models: TSL120610F2R00P05Z (sulfur resistant+high heat dissipation), EAM16FT4R02DES (surge resistant).
4. Sulfur containing environment
Scenario: Chemical equipment, coal mine monitoring, outdoor communication base station.
Requirement: Resistance to sulfide corrosion and long-term stability.
Applicable models: EAM16FT4R02DES (sulfur resistant), TSL120610F2R00P05Z (sulfur resistant).
3、 Summary of Core Advantages
Features ELR16FT4R02DES EAM16FT4R02DES/TSL120610F2R00P05Z
Accuracy ± 1% ± 1%
Temperature coefficient ± 50ppm/℃ ± 50ppm/℃
Whether it is sulfur resistant or not (special metal film layer)
Vehicle regulation certification Yes/No (AEC-Q200)
High surge withstand basic performance (20A/10 μ s pulse)
Optimization of heat dissipation performance standards (thickened electrode copper layer, temperature rise ≤ 30 ℃)
Applicable to consumer electronics, general industrial automotive electronics, industrial control, and sulfur-containing environments
4、 Selection suggestions
Cost sensitive projects: prioritize ELR16FT4R02DES (Universal Metal Film Resistors) for lower unit prices.
High reliability requirements (such as automotive and industrial): EAM16FT4R02DES or TSL120610F2R00P05Z are recommended, with sulfur resistance and vehicle specification certification.
Sulfur containing environment: It is necessary to choose sulfur resistant models (EAM/TSL series) to avoid resistance drift and faults.
High power scenario: Confirm PCB layout and derating curve, reduce power usage for 1W resistors above 70 ℃.