777 Series OTCSP Pinch Socket Open Top Chip Scale Package  Accommodates pitch sizes of 0.75mm and 0.80mm Compact size and Low Actuation Force 4-Point pinch design for enhanced electrical contact Unique mechanism to eliminate solder ball sticking Field replaceable package location plate 777 Series – 0.75mm Pitch OTCSP Pinch Socket 
 
Pitch e(mm) | 
Ball Count | 
Package Size | 
Contact Matrix. | 
Ball Dia.(mm) | 
Ball Height(mm) | 
Contact Plating | 
Socket P/N | 
Socket Outline(mm) | 
MFR. |  
| 0.75 | 
28 | 
6X8 | 
6X8 | 
0.37 | 
0.23 | 
Au | 
777D2028-201 | 
16.8X22 | 
WELLS-CTI |  
| 29 | 
6X8 | 
6X9 | 
0.37 | 
0.23 | 
Au | 
777D2029-201 | 
16.8X22 | 
WELLS-CTI |  
| 36 | 
7.01X8.54 | 
6X8 | 
0.476 | 
0.42 | 
Au | 
777D2036-202 | 
16.8X22 | 
WELLS-CTI |  
| 44 | 
7X7 | 
7X7 | 
0.33 | 
0.20min. | 
Au | 
777D2044-201 | 
16.8X22 | 
WELLS-CTI |  
| 46 | 
6.5X7 | 
6X8 | 
0.33 | 
0.40max. | 
NiPd | 
777D2046-101 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
6.5X6.5 | 
6X8 | 
0.35 | 
0.25 | 
NiPd | 
777C2048-101 | 
20X26 | 
WELLS-CTI |  
| 48 | 
6.5X9.8 | 
6X8 | 
0.35 | 
0.25 | 
NiPd | 
777C2048-102 | 
20X26 | 
WELLS-CTI |  
| 48 | 
6X9 | 
6X8 | 
0.35 | 
0.25 | 
NiPd | 
777D2048-103 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
6X8 | 
6X8 | 
0.40 | 
0.26 | 
NiPd | 
777D2048-104 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
6X8 | 
6X8 | 
0.37 | 
0.23 | 
Au | 
777D2048-204 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
7X8 | 
6X8 | 
0.40 | 
0.26 | 
NiPd | 
777D2048-105 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
8X10 | 
6X8 | 
0.40 | 
0.30 | 
NiPd | 
777D2048-106 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
9X7.7 | 
6X8 | 
0.375 | 
0.27 | 
NiPd | 
777D2048-107 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
9X11 | 
6X8 | 
0.36 | 
0.27 | 
NiPd | 
777D2048-108 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
6.5X10 | 
6X8 | 
0.40 | 
0.35 | 
NiPd | 
777D2048-109 | 
16.8X22 | 
WELLS-CTI |  
| 48 | 
6X7 | 
6X8 | 
0.40 | 
0.32 | 
NiPd | 
777D2048-110 | 
16.8X22 | 
WELLS-CTI |  
| 54 | 
6X8 | 
6×9 | 
0.37 | 
0.23 | 
NiPd | 
777D2054-101 | 
16.8X22 | 
WELLS-CTI |  
| 54 | 
6X8 | 
6X9 | 
0.37 | 
0.23 | 
Au | 
777D2054-201 | 
16.8X22 | 
WELLS-CTI |  
| 56 | 
7.7X9.3 | 
8X7 | 
0.35 | 
0.25 | 
Au | 
777D2056-101 | 
16.8X22 | 
WELLS-CTI |  
| 56 | 
9X11 | 
7X8 | 
0.35 | 
0.25 | 
Au | 
777D2056-102 | 
16.8X22 | 
WELLS-CTI |  
| 56 | 
8.5X10 | 
8X7 | 
0.35 | 
0.27 | 
NiPd | 
777D2056-103 | 
16.8X22 | 
WELLS-CTI |  
| 56 | 
7.7X9 | 
8X7 | 
0.375 | 
0.23 | 
Au | 
777D2056H105C | 
16.8X22 | 
WELLS-CTI |   
777 Series – 0.8mm Pitch OTCSP Pinch  Socket 
 
| Pitch | 
Ball | 
Package | 
Contact | 
 | 
 | 
Contact | 
 | 
Socket | 
 |  
| e(mm) | 
Count | 
Size | 
Matrix. | 
Ball Dia. (mm) | 
Ball Height (mm) | 
Plating | 
Socket P/N | 
Outline(mm) | 
MFR. |  
| 0.8 | 
25 | 
5X5 | 
5X5 | 
0.5 | 
0.25min. | 
NiPd | 
777A1025-101 | 
18.5X21 | 
WELLS-CTI |  
| 30 | 
5X5 | 
6X6 | 
0.4 | 
0.20min. | 
NiPd | 
777A1030-101 | 
18.5X21 | 
WELLS-CTI |  
| 48 | 
6X11 | 
6X8 | 
0.4 | 
0.35 | 
NiPd | 
777A1048-101 | 
18.5X21 | 
WELLS-CTI |  
| 48 | 
6X8 | 
6X8 | 
0.4 | 
0.3 | 
NiPd | 
777A1048-102 | 
18.5X21 | 
WELLS-CTI |  
| 48 | 
6X9 | 
6X8 | 
0.45 | 
0.32 | 
NiPd | 
777A1048-103 | 
18.5X21 | 
WELLS-CTI |  
| 48 | 
6.15X8.15 | 
6X8 | 
0.38 | 
0.23 | 
Au | 
777A1048H111C | 
18.5X21 | 
WELLS-CTI |  
| 48 | 
10.95X11.95 | 
6X8 | 
0.45 | 
0.4 | 
Au | 
777B1048-101 | 
26X26 | 
WELLS-CTI |  
| 48 | 
11X12 | 
6X8 | 
0.3 | 
0.20min. | 
NiPd | 
777B1048-102 | 
26X26 | 
WELLS-CTI |  
| 48 | 
10.95X11.95 | 
6X8 | 
0.35 | 
0.3 | 
Au | 
777B1048-103 | 
26X26 | 
WELLS-CTI |  
| 48 | 
11X12 | 
6X8 | 
0.3 | 
0.20min. | 
Au | 
777B1048-104 | 
26X26 | 
WELLS-CTI |  
| 48 | 
8.5X15 | 
6X8 | 
0.35 | 
0.27 | 
Au | 
777E1048-202 | 
19.5X26 | 
WELLS-CTI |  
| 48 | 
8.5X15 | 
6X8 | 
0.35 | 
0.27 | 
Au | 
777E1048H202 | 
19.5X26 | 
WELLS-CTI |  
| 48 | 
8X10 | 
6X8 | 
0.45 | 
0.25min. | 
Au | 
777E1048H203 | 
19.5X26 | 
WELLS-CTI |  
| 48 | 
9.5X12 | 
6X8 | 
0.45 | 
0.25min. | 
Au | 
777E1048H204 | 
19.5X26 | 
WELLS-CTI |  
| 48 | 
9X11 | 
6X8 | 
0.45 | 
0.25min. | 
Au | 
777E1048H204 | 
19.5X26 | 
WELLS-CTI |  
| 54 | 
8X8 | 
9X9 | 
0.45 | 
0.35 | 
Au | 
777E1054-101 | 
19.5X26 | 
WELLS-CTI |  
| 56 | 
7X9 | 
8X8 | 
0.4 | 
0.22 | 
Au | 
777A1056H102C | 
18.5X21 | 
WELLS-CTI |  
| 56 | 
8X11.6 | 
8X8 | 
0.35 | 
0.3 | 
Au | 
777E1056H101C | 
19.5X26 | 
WELLS-CTI |  
| 56 | 
8X13 | 
8X8 | 
0.35 | 
0.3 | 
Au | 
777E1056-102 | 
19.5X26 | 
WELLS-CTI |  
| 56 | 
8X10 | 
8X8 | 
0.38 | 
0.25 | 
Au | 
777E1056-103 | 
19.5X26 | 
WELLS-CTI |  
| 56 | 
8X11.6 | 
8X8 | 
0.38 | 
0.25 | 
Au | 
777E1056-105 | 
19.5X26 | 
WELLS-CTI |  
| 59 | 
8X11.6 | 
8X8 | 
0.38 | 
0.25 | 
Au | 
777E1059-101 | 
19.5X26 | 
WELLS-CTI |  
| 60 | 
8X16/11×13 | 
8X15 | 
0.45 | 
0.35 | 
NiPd | 
777E1060-101 | 
19.5X26 | 
WELLS-CTI |  
| 60 | 
8X11.6 | 
8X8 | 
0.35 | 
0.3 | 
Au | 
777E1060-103 | 
19.5X26 | 
WELLS-CTI |  
| 60 | 
9X12 | 
8X10 | 
0.4 | 
0.15 | 
Au | 
777E1060-106 | 
19.5X26 | 
WELLS-CTI |  
| 60 | 
8X11.6 | 
8X10 | 
0.38/0.40 | 
0.22/0.23/0.25 | 
Au | 
777E1060H107C | 
19.5X26 | 
WELLS-CTI |  
| 63 | 
7X11 | 
8X12 | 
0.4 | 
0.3 | 
NiPd | 
777A1063-101 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
8X11 | 
8X8 | 
0.45 | 
0.35 | 
NiPd | 
777A1064-101 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
8.1X11.1 | 
8X8 | 
0.45 | 
0.35 | 
NiPd | 
777A1064-102 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
7X7 | 
8X8 | 
0.4 | 
0.32 | 
Au | 
777A1064-203 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
7.95X8.95 | 
8X8 | 
0.35 | 
0.25 | 
Au | 
777A1064-105 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
7X7 | 
8X8 | 
0.5 | 
0.25min. | 
NiPd | 
777A1064-106 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
7X7 | 
8X8 | 
0.5 | 
0.25min. | 
Au | 
777A1064-206 | 
18.5X21 | 
WELLS-CTI |  
| 64 | 
9X9 | 
8X8 | 
0.45 | 
0.39 | 
NiPd | 
777B1064-101 | 
26X26 | 
WELLS-CTI |  
| 64 | 
10.95X11.95 | 
8X8 | 
0.3 | 
0.20min. | 
Au | 
777B1064-102 | 
26X26 | 
WELLS-CTI |  
| 64 | 
9X11.5 | 
8X8 | 
0.35 | 
0.25 | 
Au | 
777B1064-103 | 
26X26 | 
WELLS-CTI |  
| 64 | 
9X13 | 
10X10 | 
0.35 | 
0.3 | 
Au | 
777E1064-104 | 
19.5X26 | 
WELLS-CTI |  
| 64 | 
7.95X8.95 | 
8X8 | 
0.38 | 
0.23 | 
Au | 
777E1064-106 | 
19.5X26 | 
WELLS-CTI |  
| 66 | 
7.47X11.02 | 
7X10 | 
0.46 | 
0.42 | 
Au | 
777A1066-201 | 
18.5X21 | 
WELLS-CTI |  
| 80 | 
8X8 | 
9X9 | 
0.4 | 
0.21min. | 
NiPd | 
777A1080-101 | 
18.5X21 | 
WELLS-CTI |  
| 80 | 
8X11 | 
8X10 | 
0.38 | 
0.25 | 
Au | 
777A1080-104 | 
18.5X21 | 
WELLS-CTI |  
| 80 | 
8X11 | 
8X11 | 
0.38 | 
0.23 | 
Au | 
777A1080H105C | 
18.5X21 | 
WELLS-CTI |  
| 80 | 
7X9 | 
8X10 | 
0.4 | 
0.22 | 
Au | 
777A1080H106C | 
18.5X21 | 
WELLS-CTI |  
| 80 | 
8X14 | 
8X14 | 
0.4 | 
0.30min. | 
NiPd | 
777B1080-101 | 
26X26 | 
WELLS-CTI |  
| 80 | 
9.65X11.95 | 
8×10 | 
0.35 | 
0.25 | 
Au | 
777B1080-102 | 
26×26 | 
WELLS-CTI |  
| 80 | 
9X11.5 | 
8X10 | 
0.35 | 
0.20min. | 
Au | 
777B1080-103 | 
26X26 | 
WELLS-CTI |  
| 80 | 
9.65X11.95 | 
8X10 | 
0.38 | 
0.23 | 
Au | 
777B1080H105 | 
26X26 | 
WELLS-CTI |  
| 80 | 
8X11.6 | 
8X10 | 
0.35 | 
0.3 | 
Au | 
777E1080-101 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
10X10 | 
8X10 | 
0.35 | 
0.25/0.30 | 
Au | 
777E1080-103 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
8×11.6 | 
10×12 | 
0.35 | 
0.3 | 
Au | 
777E1080-104 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
10.5X10.5 | 
8X10 | 
0.34 | 
0.23 | 
Au | 
777E1080-105 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
9X13 | 
8X10 | 
0.34 | 
0.23 | 
Au | 
777E1080-106 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
10X13 | 
8X10 | 
0.35 | 
0.3 | 
Au | 
777E1080-107 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
8X10 | 
8X10 | 
0.38 | 
0.25 | 
Au | 
777E1080-108 | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
8X11.6 | 
8X10 | 
0.4 | 
0.22/0.23 | 
Au | 
777E1080H112C | 
19.5X26 | 
WELLS-CTI |  
| 80 | 
9.65X11.95 | 
8X10 | 
0.38 | 
0.23 | 
Au | 
777E1080H115C | 
19.5X26 | 
WELLS-CTI |   
| 0.8 | 
80 | 
9X12 | 
8X10 | 
0.4 | 
0.22 | 
Au | 
777E1080-113 | 
19.5X26 | 
WELLS-CTI |  
| 81 | 
8X8 | 
9X9 | 
0.4 | 
0.35 | 
NiPd | 
777A1081-101 | 
18.5X21 | 
WELLS-CTI |  
| 81 | 
10.4X10.8 | 
12X12 | 
0.45 | 
0.33 | 
NiPd | 
777B1081-101 | 
26X26 | 
WELLS-CTI |  
| 81 | 
9X9 | 
9X9 | 
0.33 | 
0.23 | 
Au | 
777E1081-101 | 
19.5X26 | 
WELLS-CTI |  
| 84 | 
9.5X14.5 | 
9X10 | 
0.45 | 
0.36 | 
Au | 
777E1084-101 | 
19.5X26 | 
WELLS-CTI |  
| 84 | 
8X11 | 
9X10 | 
0.45 | 
0.36 | 
Au | 
777E1084-102 | 
19.5X26 | 
WELLS-CTI |  
| 84 | 
8X11.6 | 
10X12 | 
0.38 | 
0.23 | 
Au | 
777E1084H103C | 
19.5X26 | 
WELLS-CTI |  
| 88 | 
8X11 | 
8X12 | 
0.35 | 
0.25 | 
Au | 
777E1088-101 | 
19.5X26 | 
WELLS-CTI |  
| 88 | 
9.6X12 | 
8X12 | 
0.375 | 
0.20min. | 
Au | 
777E1088-202 | 
19.5X26 | 
WELLS-CTI |  
| 88 | 
8X11 | 
8X12 | 
0.375 | 
0.25 | 
Au | 
777E1088H103C | 
19.5X26 | 
WELLS-CTI |  
| 89 | 
8X11.6 | 
10X10 | 
0.38 | 
0.25 | 
Au | 
777E1089-101 | 
19.5X26 | 
WELLS-CTI |  
| 89 | 
8X11.6 | 
10X10 | 
0.35~0.40 | 
0.17min. | 
Au | 
777E1089H102U | 
19.5X26 | 
WELLS-CTI |  
| 90 | 
11X13 | 
9X15 | 
0.4 | 
0.32 | 
NiPd | 
777E1090-102 | 
19.5X26 | 
WELLS-CTI |  
| 90 | 
8.5X15 | 
9X15 | 
0.42 | 
0.3 | 
Au | 
777E1090-201 | 
19.5X26 | 
WELLS-CTI |  
| 90 | 
9X13 | 
9X15 | 
0.45 | 
0.33 | 
NiPd | 
777E1090HX03 | 
19.5X26 | 
WELLS-CTI |  
| 90 | 
8X13 | 
9X15 | 
0.45 | 
0.325 | 
Au | 
777E1090-204 | 
19.5X26 | 
WELLS-CTI |  
| 92 | 
10.5X18 | 
10X18 | 
0.45 | 
0.35 | 
Au | 
777E1092-101 | 
19.5X26 | 
WELLS-CTI |  
| 92 | 
9.3X15.1 | 
10X18 | 
0.45 | 
0.35 | 
Au | 
777E1092-102 | 
19.5X26 | 
WELLS-CTI |  
| 93 | 
11X14 | 
12X17 | 
0.46 | 
0.37 | 
Au | 
777F1093-201 | 
22X26 | 
WELLS-CTI |  
| 100 | 
10X10 | 
10X10 | 
0.4 | 
0.20min. | 
NiPd | 
777B1100-101 | 
26X26 | 
WELLS-CTI |  
| 100 | 
9X9 | 
10X10 | 
0.43 | 
0.33 | 
NiPd | 
777B1100-102 | 
26X26 | 
WELLS-CTI |  
| 100 | 
9X14 | 
10X10 | 
0.45 | 
0.35 | 
Au | 
777E1100-101 | 
19.5X26 | 
WELLS-CTI |  
| 100 | 
9X13 | 
10X10 | 
0.34 | 
0.25 | 
Au | 
777E1100-103 | 
19.5X26 | 
WELLS-CTI |  
| 100 | 
9X14 | 
10X10 | 
0.45 | 
0.35 | 
Au | 
777E1100-104 | 
19.5X26 | 
WELLS-CTI |  
| 100 | 
9X12 | 
10X10 | 
0.34 | 
0.25 | 
Au | 
777E1100-105 | 
19.5X26 | 
WELLS-CTI |  
| 103 | 
14X14 | 
9X12 | 
0.35/0.375 | 
0.19/0.27 | 
Au | 
777B1103-201 | 
26X26 | 
WELLS-CTI |  
| 106 | 
12X12 | 
14X14 | 
0.4 | 
0.3 | 
Au | 
777B1106H201 | 
26X26 | 
WELLS-CTI |  
| 107 | 
11X13 | 
10X14 | 
0.47 | 
0.35 | 
Au | 
777E1107H202C | 
19.5X26 | 
WELLS-CTI |  
| 108 | 
14X14 | 
9X12 | 
0.35/0.375 | 
0.19/0.27 | 
Au | 
777B1108-201 | 
26X26 | 
WELLS-CTI |  
| 108 | 
9X11 | 
9X12 | 
0.38 | 
0.25 | 
Au | 
777E1108-101 | 
19.5X26 | 
WELLS-CTI |  
| 108 | 
9X11 | 
9X12 | 
0.35 | 
0.20min. | 
Au | 
777E1108H202 | 
19.5X26 | 
WELLS-CTI |  
| 115 | 
11.3X10.8 | 
13X13 | 
0.46 | 
0.42 | 
Au | 
777B1115-201 | 
26X26 | 
WELLS-CTI |  
| 115 | 
9X14 | 
10X14 | 
0.45 | 
0.35 | 
Au | 
777E1115-101 | 
19.5X26 | 
WELLS-CTI |  
| 115 | 
9X12 | 
10X14 | 
0.4 | 
0.15 | 
Au | 
777E1115H102C | 
19.5X26 | 
WELLS-CTI |  
| 119 | 
15.09X11.13 | 
15X11 | 
0.46 | 
0.42 | 
Au | 
777B1119-201 | 
26X26 | 
WELLS-CTI |  
| 120 | 
9X14 | 
10X12 | 
0.45 | 
0.35 | 
Au | 
777E1120-102 | 
19.5X26 | 
WELLS-CTI |  
| 128 | 
11X11 | 
12X12 | 
0.45 | 
0.35 | 
NiPd | 
777B1128-101 | 
26X26 | 
WELLS-CTI |  
| 136 | 
11X14 | 
12X17 | 
0.46 | 
0.37 | 
Au | 
777F1136-201 | 
22X26 | 
WELLS-CTI |  
| 139 | 
8X11.6 | 
10X14 | 
0.35 | 
0.20min. | 
Au | 
777E1139-201 | 
19.5X26 | 
WELLS-CTI |  
| 140 | 
9X12 | 
10X14 | 
0.4 | 
0.22 | 
Au | 
777E1140H101C | 
19.5X26 | 
WELLS-CTI |  
| 144 | 
11X11 | 
12X12 | 
0.45 | 
0.35 | 
NiPd | 
777B1144-101 | 
26X26 | 
WELLS-CTI |  
| 144 | 
10X10 | 
12X12 | 
0.4 | 
0.20min. | 
NiPd | 
777B1144-102 | 
26X26 | 
WELLS-CTI |  
| 144 | 
12X12 | 
12X12 | 
0.45 | 
0.35 | 
NiPd | 
777B1144-103 | 
26X26 | 
WELLS-CTI |  
| 144 | 
12X12 | 
12X12 | 
0.45 | 
0.35 | 
NiPd | 
777B1144H103 | 
26X26 | 
WELLS-CTI |  
| 150 | 
10.6X16.1 | 
10X17 | 
0.4 | 
0.3 | 
Au | 
777E1150-201 | 
19.5X26 | 
WELLS-CTI |  
| 151 | 
9X13 | 
10X14 | 
0.4 | 
0.22 | 
Au | 
777E1151-101 | 
19.5X26 | 
WELLS-CTI |  
| 175 | 
13X13 | 
15X15 | 
0.45 | 
0.35 | 
NiPd | 
777B1175-101 | 
26X26 | 
WELLS-CTI |  
| 176 | 
13X13 | 
15X15 | 
0.46 | 
0.36 | 
NiPd | 
777B1176-101 | 
26X26 | 
WELLS-CTI |  
| 196 | 
12X12 | 
14X14 | 
0.5 | 
0.27min. | 
Au | 
777B1196-201 | 
26X26 | 
WELLS-CTI |  
| 225 | 
13X13 | 
15X15 | 
0.4 | 
0.20min. | 
NiPd | 
777B1225-102 | 
26X26 | 
WELLS-CTI |  
| 225 | 
13X13 | 
15X15 | 
0.4 | 
0.20min. | 
Au | 
777B1225-202 | 
26X26 | 
WELLS-CTI |  
| 225 | 
13X13 | 
15X15 | 
0.4 | 
0.20min. | 
Ni-B | 
777B1225-302 | 
26X26 | 
WELLS-CTI |  
| 0.8X1.0 | 
55 | 
11X18.5 | 
12X18 | 
0.35 | 
0.24 | 
Au | 
778A1055-101 | 
19.5X26 | 
WELLS-CTI |  
| 55 | 
11X18.5 | 
12X18 | 
0.51 | 
0.39 | 
Au | 
778A1055-102 | 
19.5X26 | 
WELLS-CTI |  
| 144 | 
11X18.5 | 
12X18 | 
0.35 | 
0.24 | 
Au | 
778A1144-101 | 
19.5X26 | 
WELLS-CTI |  
| 144 | 
11X18.5 | 
12X18 | 
0.51 | 
0.39 | 
Au | 
778A1144-102 | 
19.5X26 | 
WELLS-CTI |   
  
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