DQS Electronic Co., Limited
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| MOQ: | 1 |
| 지불 조건: | t/t |
| 공급 능력: | 침입 후 70 만 포인트/일 |
A 4-layer PCB is a printed circuit board that contains four conductive copper layers separated by insulating material (typically fiberglass and epoxy resin, like FR4). These layers are laminated together under heat and pressure to form a single, solid board.
The typical stack-up is:
This configuration helps:
| PCB Assembly Capability | Normal | Special |
|---|---|---|
| SMT Assembly | PCB(used for SMT) specification | |
| Length and Width( L* W) | Minimum: L≥3mm, W≥3mm Maximum: L≤800mm, W≤460mm |
L＜2mm L＞1200mm, W＞500mm |
| Thickness( T) | Thinnest: 0.2mm Thickest: 4 mm |
T＜0.1mm T＞4.5mm |
| SMT components specification | Outline Dimension Min size: 0201(0.6mm*0.3mm) Max size: 200 * 125 |
01005(0.3mm*0.2mm) 200 * 125 |
| component thickness | T≤15mm | 6.5mm＜T≤15mm |
| QFP,SOP,SOJ (multi pins) | Min pin space: 0.4mm | 0.3mm≤Pitch＜0.4mm |
| CSP/ BGA | Min ball space: 0.5mm | 0.3mm≤Pitch＜0.5mm |
| DIP Assembly | PCB specification | |
| Length and Width( L* W) | Minimum: L≥50mm, W≥30mm Maximum: L≤1200mm, W≤450mm |
L＜50mm L≥1200mm, W≥500mm |
| Thickness( T) | Thinnest: 0.8mm Thickest: 3.5mm |
T＜0.8mm T＞2mm |
