The 337/387 Series Card Edge Connectors offer reliable and versatile solutions for connecting printed circuit boards. They feature a 0.156" (3.96mm) contact spacing and are designed to accept standard P.C. boards of 0.062" (1.57mm) nominal thickness. These connectors boast high profile insulator bodies and a significant card slot depth, accommodating various board insertions. They provide a wide range of contact termination options, including P.C. tail, wire hole, wire wrap, and specialized bends for extender boards and 90-degree applications. Available in single or dual row configurations, they offer numerous mounting options such as flush or offset lugs, threaded inserts, and card guides for flexible integration into different system designs. The series is RoHS Compliant and UL certified, ensuring adherence to industry standards for safety and environmental responsibility.
| Series | Total Number of Contacts | Contact Rows | Insulator Style | Mounting Options | Contact Code | Tail Description | Tail Size | Tail Length "G" | Dimension "A" (Inch) | Dimension "A" (mm) | Dimension "B" (Inch) | Dimension "B" (mm) | Dimension "C" (Inch) | Dimension "C" (mm) | Dimension "D" (Inch) | Dimension "D" (mm) | Dimension "E" (Inch) | Dimension "E" (mm) | |
| 337/387 | 6 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 1.842 | 46.79 | 1.532 | 38.91 | 1.246 | 31.65 | 1.100 | 27.94 | 0.780 | 19.81 | |
| 337/387 | 10 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 2.466 | 62.64 | 2.156 | 54.76 | 1.870 | 47.50 | 1.724 | 43.79 | 1.404 | 35.66 | |
| 337/387 | 12 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 2.778 | 70.56 | 2.468 | 62.69 | 2.182 | 55.42 | 2.036 | 51.71 | 1.716 | 43.59 | |
| 337/387 | 15 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 3.246 | 82.45 | 2.936 | 74.57 | 2.650 | 67.31 | 2.504 | 63.60 | 2.184 | 55.47 | |
| 337/387 | 18 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 3.714 | 94.34 | 3.404 | 86.46 | 3.118 | 79.20 | 2.972 | 75.49 | 2.652 | 67.36 | |
| 337/387 | 22 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 4.338 | 110.19 | 4.028 | 102.31 | 3.742 | 95.05 | 3.596 | 91.34 | 3.276 | 83.21 | |
| 337/387 | 25 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 4.806 | 122.07 | 4.496 | 114.20 | 4.210 | 106.93 | 4.064 | 103.23 | 3.744 | 95.10 | |
| 337/387 | 26 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 4.962 | 126.03 | 4.652 | 118.16 | 4.366 | 110.90 | 4.220 | 107.19 | 3.900 | 99.06 | |
| 337/387 | 28 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 5.278 | 134.06 | 4.964 | 126.09 | 4.678 | 118.82 | 4.532 | 115.11 | 4.212 | 106.98 | |
| 337/387 | 31 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 5.742 | 145.85 | 5.432 | 137.97 | 5.146 | 130.71 | 5.000 | 127.00 | 4.680 | 118.87 | |
| 337/387 | 33 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 6.054 | 153.77 | 5.744 | 145.90 | 5.458 | 138.63 | 5.312 | 134.92 | 4.992 | 126.80 | |
| 337/387 | 36 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 6.522 | 165.66 | 6.212 | 157.78 | 5.926 | 150.52 | 5.780 | 146.81 | 5.460 | 138.68 | |
| 337/387 | 43 | Single | Green (337) / Black (387) | Single Row, Flush Mounting Lugs (1) | - | - | - | - | 7.614 | 193.40 | 7.304 | 185.52 | 7.018 | 178.26 | 6.872 | 174.55 | 6.552 | 166.42 | |
| 337/387 | 12 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 1.842 | 46.79 | 1.532 | 38.91 | 1.246 | 31.65 | 1.100 | 27.94 | 0.780 | 19.81 | |
| 337/387 | 20 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 2.466 | 62.64 | 2.156 | 54.76 | 1.870 | 47.50 | 1.724 | 43.79 | 1.404 | 35.66 | |
| 337/387 | 24 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 2.778 | 70.56 | 2.468 | 62.69 | 2.182 | 55.42 | 2.036 | 51.71 | 1.716 | 43.59 | |
| 337/387 | 30 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 3.246 | 82.45 | 2.936 | 74.57 | 2.650 | 67.31 | 2.504 | 63.60 | 2.184 | 55.47 | |
| 337/387 | 36 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 3.714 | 94.34 | 3.404 | 86.46 | 3.118 | 79.20 | 2.972 | 75.49 | 2.652 | 67.36 | |
| 337/387 | 44 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 4.338 | 110.19 | 4.028 | 102.31 | 3.742 | 95.05 | 3.596 | 91.34 | 3.276 | 83.21 | |
| 337/387 | 50 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 4.806 | 122.07 | 4.496 | 114.20 | 4.210 | 106.93 | 4.064 | 103.23 | 3.744 | 95.10 | |
| 337/387 | 52 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 4.962 | 126.03 | 4.652 | 118.16 | 4.366 | 110.90 | 4.220 | 107.19 | 3.900 | 99.06 | |
| 337/387 | 56 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 5.278 | 134.06 | 4.964 | 126.09 | 4.678 | 118.82 | 4.532 | 115.11 | 4.212 | 106.98 | |
| 337/387 | 62 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 5.742 | 145.85 | 5.432 | 137.97 | 5.146 | 130.71 | 5.000 | 127.00 | 4.680 | 118.87 | |
| 337/387 | 66 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 6.054 | 153.77 | 5.744 | 145.90 | 5.458 | 138.63 | 5.312 | 134.92 | 4.992 | 126.80 | |
| 337/387 | 72 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 6.522 | 165.66 | 6.212 | 157.78 | 5.926 | 150.52 | 5.780 | 146.81 | 5.460 | 138.68 | |
| 337/387 | 86 | Dual | Green (337) / Black (387) | Dual Row, Flush Mounting Lugs (2) | - | - | - | - | 7.614 | 193.40 | 7.304 | 185.52 | 7.018 | 178.26 | 6.872 | 174.55 | 6.552 | 166.42 | |
| 337/387 | 6 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 10 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 12 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 15 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 18 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 22 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 25 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 26 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 28 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 31 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 33 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 36 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 43 | Single | Green (337) / Black (387) | Single Row, .170 (4.32) Offset Lugs (6) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 12 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 20 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 24 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 30 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 36 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 44 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 50 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 52 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 56 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 62 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 66 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 72 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | 86 | Dual | Green (337) / Black (387) | Dual Row, .170 (4.32) Offset Lugs (8) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 500 | Wire Hole | .050 x .025 (1.27 x 0.64) | .260 (6.60) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 520 | P.C. Tail | .030 x .018 (0.76 x 0.46) | .175 (4.45) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 521 | P.C. Tail | .025 Square (0.64 Square) | .150 (3.81) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 523 | P.C. Tail | .025 Square (0.64 Square) | .390 (9.91) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 524 | P.C. Tail | .018 Square (0.46 Square) | .175 (4.45) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 540 | Wire Wrap | .025 Square (0.64 Square) | .560 (14.22) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 541 | Wire Wrap | .025 Square (0.64 Square) | .750 (19.05) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 542 | Wire Wrap | .025 Square (0.64 Square) | .645 (16.38) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 544 | Wire Wrap | .050 x .025 (1.27 x 0.64) | .750 (19.05) | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 555 | EXTENDER BOARD BEND | (Code 500 Contacts) | - | - | - | - | - | - | - | - | - | - | - | - |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 556 | EXTENDER BOARD BEND | (Code 520 Contacts) | - | - | - | - | - | - | - | - | - | - | - | - |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 558 | 90 DEGREE BEND | (Code 541 Contacts) | - | - | - | - | - | - | - | - | - | - | - | - |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 559 | 90 DEGREE BEND | (Code 541 Contacts) | - | - | - | - | - | - | - | - | - | - | - | - |
| 337/387 | - | - | Green (337) / Black (387) | No Mounting Lug (01) | 560 | EXTENDER BOARD BEND | (Code 523 Contacts) | - | - | - | - | - | - | - | - | - | - | - | - |
| 337/387 | - | - | Green (337) / Black (387) | Mounting Holes .128 (3.25mm) (02) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | Floating Eyelets .116 (2.95mm) I.D. (03) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | Mounting Holes .156 (3.96mm) (04) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | M3-0.5 Metric Threaded Inserts (07) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | #4-40 Unified Threaded Inserts (08) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | Side Mounting Holes .128 (3.25mm) (12) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | Offset Card Guides .468 (11.89mm) (58) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | Offset Card Guides .344 (8.74mm) (68) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 337/387 | - | - | Green (337) / Black (387) | In-Line Card Guides (78) | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
