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| 型号： | IT1-252S-SV |
| 厂商： | Hirose Electric Co Ltd |
| 文件页数： | 10/17页 |
| 文件大小： | 0K |
| 描述： | CONN RCPT 252POS HISPEED STR SMD |
| 标准包装： | 1 |
| 系列： | IT1 |
| 连接器类型： | 插座，外罩触点 |
| 位置数： | 252 |
| 间距： | 0.020"（0.50mm） |
| 行数： | 2 |
| 安装类型： | 表面贴装 |
| 特点： | 板导轨，固定焊尾 |
| 触点表面涂层： | 金 |
| 包装： | 托盘 |
| 板上方高度： | 0.236"（6.00mm） |
| 配套产品： | IT1-252P/44-30H(03)-ND - CONN HEADER 252POS STR 30MM GOLD IT1-252P/44-23H-ND - CONN HEADER 252POS STR 23MM GOLD |
| 其它名称： | IT1-25S-SV IT1-25S-SV-ND Q1618255 |
The product information in this catalog is for reference only. Please request the Engineering Drawing for the most current and accurate design information.
IT1 Series q High Speed, Matched-Impedance, Parallel Board-to-board Connector System
2. Recommended Design Guidelines
2-1 Solder Land Pattern
When placing the receptacles on the Printed Circuit Boards using automatic mounting equipment or manually, assure that the
correct diameters of the holes (Fig. 1) are through the entire thickness of the board.
S Locating post hole diameter S
The contacts of receptacle assembly are exposed on the bottom surfaces. The exposed areas of the contacts are a distance
of 0.25 mm minimum from the surface of the Printed Circuit Board, on which the receptacle assembly is placed (Fig.2).
Consideration should be taken not to place or assure insulation of conductive traces under the receptacle assemblies.
Refer to the separate drawings for recommended solder land pattern dimensions of the receptacle, and signals and ground
connection diagram of the transmission module.
(mm)
Automatic placement / (Locating post hole diameter) C dimension: 1.7 mm
Manual placement
/ (Locating post hole diameter) C dimension: 1.6 mm
/ A position accuracy of +- 0.03 should be exercised from the
center of the hole to contact Number 84.
Fig. 1 IT1-168S-SV Recommended Solder Land Pattern
Contact_A
Contact_B
Fig. 2 Cross section of IT1 receptacle
2-2 Board-to-Board Spacer heights
The two parallel boards connected by the IT1 connectors should be fastened to additional spacers between them.
Fig. 3 indicates the connector height tolerance and the spacer’s height.
When designing the spacer’s height, consideration should be given to the solder paste thickness and any other features,
which may affect the full mating of the connector.
Fig. 3 indicates design dimensions for the 19 mm board-to-board distance.
(mm)
Fig. 3
A303
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| IT1-252S-SV(03) | 功能描述:板对板与夹层连接器 252P STR RCP SCK SMT LOCATE BOSS RoHS:否 制造商:JAE Electronics 系列:WP3 产品类型:Receptacles 节距:0.4 mm 叠放高度:1 mm 安装角: 位置/触点数量:50 排数:2 外壳材料:Plastic 触点材料:Copper Alloy 触点电镀:Gold 电压额定值:50 V 电流额定值:0.4 A |
| IT1-252S-SV(25) | 功能描述:板对板与夹层连接器 252P STR RCP SCK SMT LOC BOS HEAT RES TPE RoHS:否 制造商:JAE Electronics 系列:WP3 产品类型:Receptacles 节距:0.4 mm 叠放高度:1 mm 安装角: 位置/触点数量:50 排数:2 外壳材料:Plastic 触点材料:Copper Alloy 触点电镀:Gold 电压额定值:50 V 电流额定值:0.4 A |
| IT1-252S-SV(26) | 功能描述:板对板与夹层连接器 252P STR RCP SCK SMT LOC BOS HEAT RES TPE RoHS:否 制造商:JAE Electronics 系列:WP3 产品类型:Receptacles 节距:0.4 mm 叠放高度:1 mm 安装角: 位置/触点数量:50 排数:2 外壳材料:Plastic 触点材料:Copper Alloy 触点电镀:Gold 电压额定值:50 V 电流额定值:0.4 A |
| IT125CCL-C | 制造商:Ideal Industries Inc 功能描述:CABLE CLAMP,1/8INX3/8IN,#10 NAT |
| IT126 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:N-CHANNEL JFET |
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