The 307/357 Series Card Edge Connectors offer a 0.156" (3.96mm) pitch and are designed to accept P.C. boards with a nominal thickness of 0.062" (1.57mm). These connectors feature a low-profile insulator body and come with various contact termination options, including P.C. tail, wire hole, wire wrap, 90, and extender board bends. Available in single or dual row configurations with a wide range of mounting options, they are suitable for applications requiring reliable board-to-board connections. The connectors can accommodate polarizing keys and pre-assembled card guides, enhancing ease of use and mating accuracy. They are RoHS Compliant and UL Certified.
| Specification | Value |
|---|---|
| Contact Spacing | 0.156" (3.96mm) |
| Row Spacing | 0.200" (5.08mm) |
| P.C. Board Thickness | 0.062" (1.57mm) nominal |
| Insulator Body Height | 0.473" (12.01mm) |
| Current Rating | 5 amps |
| Contact Resistance | 10 milliohms maximum |
| Dielectric Withstanding Voltage | 1800 V AC rms at sea level between adjacent contacts |
| Insulation Resistance | 5000 megaohms minimum |
| Operating Temperature | -40C to +105C |
| Insertion Force | 16 oz (4.45 N) maximum per contact pair (tested with .070" (1.78mm) thick gauge) |
| Withdrawal Force | 1 oz (0.28 N) minimum per contact pair (tested with .054" (1.37mm) thick gauge) |
Example Part Number: 307-044-520-202
Series: 307 (Thermoplastic Polyester, Green) / 357 (Thermoplastic Polyester, Black)
Total Number of Contacts: e.g., 006, 007, ... 044 (Single Row); 012, 014, ... 088 (Dual Row)
Contact Rows: 1 (Single Row), 2 (Dual Row)
Mounting Options: 01 (No Mounting Lug), 02 (.128" Mounting Holes), 03 (.116" I.D. Floating Eyelets), 04 (.156" Mounting Holes), 07 (M3-0.5 Threaded Inserts), 08 (#4-40 Unified Threaded Inserts), 12 (.128" Side Mounting Holes), 58 (.468" Offset Card Guides), 68 (.344" Offset Card Guides), 78 (In-Line Card Guides)
Contact Code: (See detailed table in source for specific tail descriptions and dimensions)
| Contact Code | Tail Description | Tail Size (mm) | Tail Length "G" (mm) |
|---|---|---|---|
| 505 | Wire Hole | 2.21 x 0.33 | 7.16 |
| 525 | P.C. Tail | 1.17 x 0.33 | 5.41 |
| 527 | P.C. Tail | 1.17 x 0.33 | 9.09 |
| 531 | P.C. Tail | 0.58 x 0.33 | 5.41 |
| 545 | Wire Wrap | 1.17 x 0.33 | 17.98 |
| 547 | Wire Wrap | 1.17 x 0.33 | 13.21 |
| 558 | 90 DEGREE BEND (CODE 545 CONTACTS) | - | - |
| 559 | 90 DEGREE BEND (CODE 527 CONTACTS) | - | - |
| 501 | Wire Hole (Dual Readout) | 2.29 x 0.36 | 5.41 |
| 521 | P.C. Tail (Dual Readout) | 1.17 x 0.36 | 5.41 |
| 541 | Wire Wrap (Dual Readout) | 1.17 x 0.36 | 12.57 |
| 553 | 90 DEGREE BEND (CODE 521 CONTACTS) | - | - |
| 554 | 90 DEGREE BEND (CODE 501 CONTACTS) | - | - |
| 557 | 90 DEGREE BEND (CODE 541 CONTACTS) | - | - |
| 500 | Wire Hole (Dual Row) | 2.21 x 0.33 | 7.16 |
| 520 | P.C. Tail (Dual Row) | 1.17 x 0.33 | 5.41 |
| 522 | P.C. Tail (Dual Row) | 1.17 x 0.33 | 9.09 |
| 524 | P.C. Tail (Dual Row) | 0.58 x 0.33 | 5.41 |
| 540 | Wire Wrap (Dual Row) | 1.17 x 0.33 | 17.98 |
| 542 | Wire Wrap (Dual Row) | 1.17 x 0.33 | 13.21 |
| 555 | .062 EXTENDER BOARD BEND (CODE 500 CONTACTS) | - | - |
| 556 | .062 EXTENDER BOARD BEND (CODE 520 CONTACTS) | - | - |
| 558 | 90 DEGREE BEND (CODE 522 AND 540 CONTACTS) | - | - |
| 559 | 90 DEGREE BEND (CODE 522 AND 540 CONTACTS) | - | - |
| 560 | .062 EXTENDER BOARD BEND (CODE 522 CONTACTS) | - | - |
