1206 High Precision Chip Current Sensing Resistor 3mΩ 1W with ±70ppm TCR for Power Management Systems
Price:
0.04~0.06 USD/PC
MOQ:
5000PCS
Delivery Time:
10 workdays
Brand:
AMPFORT
Product Description
1206 High Precision Chip Current Sensing Resistor
Precision current sensing resistors feature extremely low resistance error values, high current capacity, excellent weather resistance, mechanical strength, and elevated operating temperatures. These components maintain stable electrical characteristics with minimal resistance drift across temperature variations.
TCS1206003S1W0 Specifications
Terminal Pad: Tin-plated Nickel-Copper
Compliance: Lead-Free, RoHS Compliant
Solderability: Meets EIA RS186-9E and ANSI/J-STD-002 Category 3
Compliance: Lead-Free, RoHS Compliant
Solderability: Meets EIA RS186-9E and ANSI/J-STD-002 Category 3
| P/N | Marking | L | W | T | A |
|---|---|---|---|---|---|
| TCS1206003S1W0 | R003 | 3.20±0.2 | 1.60±0.2 | 0.40±0.2 | 0.58±0.2 |
| P/N | Marking | Power @70°C (W) | Resistance (mΩ) | Tolerance (±%) | Max Voltage (V) | TCR (ppm) | Insulation (MΩ) | Temp (°C) |
|---|---|---|---|---|---|---|---|---|
| TCS1206003S1W0 | R003 | 1.00 | 3.00 | 1,2,3,5 | (P*R)1/2 | ±70 | >100 | 70.00 |
Order Information & Packaging
| Product Code | Resistance | Packaging |
|---|---|---|
| TCS1206 (3216mm/1206mils SMD) | 3mΩ | 5000 pcs/reel |
Current Sensing Resistor Technologies
Technology Comparison
| Technology | Advantages | Limitations |
|---|---|---|
| Wirewound Precision | ±1ppm/°C TCR, ±0.001% accuracy, up to 50MΩ | High cost, inductive, being phased out |
| Thick Film Precision | High voltage capability, high resistance values | Poor low resistance performance, higher noise |
| Thin Film Precision | ±2ppm/°C TCR, ±0.01% accuracy, good stability | Limited power, poor low resistance, not antistatic |
| Metal Foil Precision | ±0.001% accuracy, near-zero temperature drift, antistatic | High cost, limited to 150KΩ (chip), 2MΩ (pin) |
Key Performance Features
- Resistance Accuracy: Error range from ±0.5% to ±5%
- Temperature Coefficient (TCR): Resistance drift with temperature
- Rated Power: Maximum power handling at room temperature
- Operating Temperature Range: Functional temperature limits
- Thermoelectromotive Force: Error voltage from Seebeck effect
Applications & Industries
- Power Industry: Adapters, converters, inverters, chargers
- Home Appliances: Air conditioners, washing machines, refrigerators
- Battery Systems: Protection boards, control boards for EVs and power tools
- Automotive Electronics: Power conversion systems, motor controls
- Computer & Networking: Servers, routers, switches, modems
- Industrial Electronics: Instrumentation, security systems, motor drives
- Lighting Systems: LED drivers, ballasts, HID lighting
Product Structure & Manufacturing
Manufacturing Process
- Pressing: Alloy and carrier bonding
- Line Formation: Create required circuit patterns
- Electroplating: Copper nickel tin electrode thickening
- Resistance Adjustment: Precision trimming to specifications
- Cutting: Size standardization
- Testing & Packaging: Final verification and carrier tape packaging
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Ampfort Electronics Co., Ltd.
Location
Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person
Annie Fang