Size specification table for SMT resistor and capacitor packaging - precise selection to improve efficiency!

1、 Introduction

SMT resistors and capacitors are a widely used component in electronic devices. In order to meet the needs of different application scenarios, there are various sizes and specifications of SMT resistor capacitor packaging available on the market. This article will provide you with a detailed size specification table for SMT resistor and capacitor packaging, helping you make more accurate choices and improve work efficiency

2、 Size specification table for SMT resistor packaging

1 Classify by size

The following are common packaging sizes for classifying SMT resistors by size:

-0402 (1.0x0.5mm)

-0603 (1.6x0.8mm)

-0805 (2.0x1.25mm)

-1206 (3.2x1.6mm)

-1210 (3.2x2.5mm)

-1812 (7.5x4.5mm)

-2226 (9.6x6.3mm)

-3236 (12.5x8mm)

-5675 (25.6x12.5mm)

2 Classified by precision

The accuracy of SMT resistors is usually divided into the following types:

-± 0.05% R-0.05/R

-± 0.1% R-1/R

-± 0.2% R-2/R

-± 0.5% R-5/R

-± 1% R-10/R

-± 2% R-20/R

3、 How to choose the appropriate SMT resistor capacitor packaging

When choosing SMT resistor capacitor packaging, the following factors need to be considered:

1 Determine the usage environment: Based on the device's usage environment, such as temperature, humidity, vibration, etc., choose appropriate packaging materials and tolerance performance. For example, when used in high-temperature environments, packaging materials with good heat resistance should be selected

2 Determine electrical performance: Select appropriate resistance accuracy and capacity level based on the electrical performance requirements of the equipment. For example, for high-speed signal transmission lines, high resistance, low noise, and high-precision SMT resistors should be selected

3 Determine cost: While meeting usage needs, try to choose packaging products with reasonable prices and high cost-effectiveness. Multiple supplier inquiries can be compared to ensure optimal procurement costs are obtained

4 Space saving: With the development of electronic products, space has become an increasingly important limiting factor. Therefore, when choosing SMT resistor capacitor packaging, it is advisable to choose products with small size and less space occupation. This helps to improve the integration and performance of the product