ERSA selective soldering Nozzle 118615 (8/12, H47,B14.1)

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모델 번호: 118615
상품 이름: Soldering nozzle ERSA
크기: 8/12, H47,B14.1
재료: Titanium alloy+oxide layer
Use for: ERSA selective soldering
원래 장소: 중국 선전
소요 시간: 주식
ERSA selective soldering Nozzle 118615 (8/12, H47,B14.1)

How to extend ERSA selective soldering nozzle’s lifespan?

Recommended Temperature Range for Soldering Nozzle

1. 무연 솔더 (e.g., SAC305, SAC307)
Best: 250–265°C (ideal: 260°씨)
Reason: Melts at ~217–220°C; needs higher temp for flow.
Above 270°C: Faster oxidation, more spatter and dross.

2. Leaded Solder (e.g., Sn63/Pb37, Sn60/Pb40)
Best: 230–245°C (ideal: 240°씨)
Reason: Melts at 183°C; too hot may cause alloy separation and dross.

3. High-Temp Lead-Free (e.g., BiSn alloy)
Special range: 270–280°C
메모: Closely monitor nozzle condition.

Before working with nozzle, Preheating Temperature Matching

Preheat PCB to 100–130°C to reduce thermal stress on nozzle and pads.
Low preheat causes large temp gradients, requiring hotter nozzle compensation.

Nitrogen Protection (N₂)
N₂ lowers soldering temp by 5–10°C.
Also reduces dross and extends nozzle cleaning cycle.
Recommended N₂ flow: 15–25 L/min (adjust per ERSA model).

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