How to choose 900M soldering iron head?

■ size:

1. The size of the solder joint: According to the size of the solder joint, choose the right soldering iron tip to make the work smoother. The tip of the soldering iron is too small and the temperature is not enough. If it is too large, a large amount of solder will melt, and it is difficult to control the amount of tin;

2. The density of solder joints: Welding on denser circuit boards, using a thinner soldering iron tip can reduce the chance of tin bridge formation.

■ shape:

1. Types of soldering components: different types of electronic components, such as resistors, capacitors, SOJ chips, and SOP chips, require the cooperation of different soldering iron tips to improve work efficiency;

2. The ease of contacting the solder joints: if the solder joints are surrounded by some higher electronic components and are difficult to contact, a long and thin soldering iron tip can be used;

3. Tin quantity requirement: more tin quantity is needed, and soldering iron tip with larger surface area of tin plating layer can be used.


■ Features of 900M Series Soldering Tips:
Type I

Features: The tip of the soldering iron tip is small.

Scope of application: suitable for fine soldering, or the situation where the soldering space is narrow, and can also modify the tin bridge generated when soldering the chip.

Type B / LB (conical)

Features: B-type soldering iron tip is non-directional, and the entire tip of the soldering iron tip can be soldered. Type LB is a type of type B with a slender shape. It can operate flexibly in the welding environment where there are tall parts around the welding spot or in a welding space with narrow welding space.

Scope of application: suitable for general soldering, regardless of the size of the solder joint, you can also use the B-type soldering iron tip.

D type / LD type

Features: Welding with the batch nozzle part.

Scope of application: suitable for welding that requires a large amount of tin, such as a welding environment with large welding area, thick terminals, and large pads

Type C / CF (beveled cylindrical)

Features: Soldering with the inclined surface of the tip of the soldering iron tip, suitable for soldering that requires more tin. Only the beveled part of the CF-type soldering iron tip has a tinned layer. Only the beveled part can be tinned during soldering. Therefore, the amount of tin dipping will be different from that of the C-type soldering iron tip.

Scope of application: The application range of C-type soldering iron tip is similar to that of D-type soldering iron tip, such as large soldering area, thick terminals and large solder pads. 0.5C, 1C / CF, 1.5CF and other soldering iron tips are very fine, suitable for soldering small components, or correcting tin bridges, tin pillars, etc. generated during surface soldering. If soldering only requires a small amount of solder, it is more suitable to use a CF-type soldering iron tip with tin plating only on the slope. 2C / 2CF, 3C / 3CF type soldering iron head, suitable for soldering resistance, diode and other components, SOP and QFP with larger pitch can also use 4C / 4CF, suitable for thick terminals, grounding on the circuit board.

Type K

Features: It can be welded with a knife-shaped part, either upright or pull welding. It is a multi-purpose soldering iron head.

Scope of application: suitable for welding SOJ, PLCC, SOP, QFP, power supply, grounding parts, correction tin bridges, connectors, etc.

H type

Features: The tinned layer is on the bottom of the soldering iron tip.

Scope of application: Suitable for SOP and QFP with large welding pitch.

■ 900M series soldering iron head model:
■ Scope of 900M soldering iron head:
900M series soldering iron head is suitable for 907 (C1151), 907-ESD (C1152) and 933 soldering iron, suitable for 936, 937, 942 and other soldering station.

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