Dilson Enterprises

• Chip Resistor Smd

• Stable electrical capability
• Suit for automatic SMT equipment
• Low distortion

SMD (Surface Mount Device) chip resistors are passive electronic components used to limit or control the flow of electric current in a circuit. They are small, surface-mountable resistors that are widely used in electronic devices and PCB (Printed Circuit Board) assemblies. Here's an overview of SMD chip resistors:

1. Construction: SMD chip resistors are typically made of a resistive material, such as a ceramic or metal film, that is deposited onto a ceramic substrate or printed onto a thin film. The resistive material determines the resistance value of the chip resistor.

2. Surface Mount Technology: SMD chip resistors are designed for surface mount technology, which involves directly soldering the components onto the surface of a PCB. They come in a variety of package sizes and shapes, such as rectangular, square, or cylindrical, with standardized dimensions for easy integration into PCB layouts.

3. Size and Footprint: SMD chip resistors are available in different sizes, ranging from the smaller 0402 (0.04 x 0.02 inches) to larger sizes such as 1206 (0.12 x 0.06 inches) or even bigger. The size is indicated by a four-digit code, where the first two digits represent the width and the last two digits represent the length of the resistor package.

4. Resistance Value: SMD chip resistors have specific resistance values, typically indicated by a three-digit or four-digit numerical code. The resistance value is measured in ohms (Ω) and represents the amount of opposition to current flow. For example, a resistor labeled "100" has a resistance value of 100 ohms.

5. Tolerance: SMD chip resistors have a specified tolerance that indicates the range within which the actual resistance value can deviate from the stated nominal value. Common tolerance values include 1%, 5%, and 10%. For example, a resistor with a nominal value of 100 ohms and a 5% tolerance can have an actual resistance value between 95 ohms and 105 ohms.

6. Power Rating: SMD chip resistors have a maximum power rating that specifies the amount of power the resistor can dissipate without exceeding its temperature limits. The power rating is usually given in watts (W). It is important to select a resistor with a power rating that can handle the expected power dissipation in the circuit to avoid overheating and potential failure.

7. Temperature Coefficient: SMD chip resistors have a temperature coefficient of resistance (TCR) that indicates how their resistance value changes with temperature. The TCR is expressed in parts per million per degree Celsius (ppm/°C) and helps determine the stability of the resistance value over a wide temperature range.

8. Markings: SMD chip resistors often have markings or color codes on their surface that provide information about their resistance value, tolerance, and other specifications. These markings can vary depending on the manufacturer, but datasheets and documentation are available to decipher the codes.

SMD chip resistors are widely used in electronic circuits for various applications, including voltage division, current limiting, biasing, and signal conditioning. Their small size, ease of installation, and compatibility with surface mount technology make them a preferred choice for modern electronics manufacturing and PCB assembly processes.

• Remarkable durability
• Low maintenance
• Rugged

• High functionality
• Innovative design
• Low maintenance

• 1210 Smd Chip Resistor