Amphenol® BNC 50 ohm PCB Receptacles Standard Height 50 ohm BNC Printed Circuit Board Right Angle Bulkhead Receptacles ✩ Fig. 1 P .468(11.9) Metal Housing Isolated from Panel Isolated from Panel 31-5640▲ (Round Pins) Black Valox Housing White Valox Housing 31-5640-1010 (Fork Pins) 31-5538 (Round Pins) 31-5431▲ (Round Pins) 31-5431-1010 (Fork Pins) 31-5538-1010 (Fork Pins) 31-5538-10RFX 31-5431-10RFX Fig. 2 Low Profile 50 ohm BNC Printed Circuit Board Bulkhead Receptacles ✩ P .468(11.9) Isolated from Panel Isolated from Panel Black Valox Housing White Valox Housing 31-5540 (Round Pins) 31-5486▲ (Round Pins) 31-5486-1010 (Fork Pins) 31-5540-1010 (Fork Pins) 31-5540-10RFX 31-5486-10RFX Fig. 3 Metal Housing 31-5637 (Round Pins) Vertical 50 ohm BNC Printed Circuit Board Bulkhead Receptacles ✩ .468(11.9) P Metal Housing Isolated from Panel Isolated from Panel 31-5633 (Round Pins) Black Valox Housing White Valox Housing 31-5633-1010 (Fork Pins) 31-5539 (Round Pins) 31-5493▲ (Round Pins) 31-5493-1010 (Fork Pins) 31-5539-1010▲ (Fork Pins) 31-5539-10RFX ▲ distributor stocked ✩ Jam nuts and lockwashers sold separately. Amphenol Corporation Tel: 800-627-7100 www.amphenolrf.com 116 BNC Amphenol® BNC 50 ohm PCB Receptacles and Accessories Fig. 5 Fig. 4 Fork Pin holds connectors rigidly to P.C. Board for high temperature and mass production assembly Pkg. of 100, Hex Nut for BNC Bulkhead PCB Receptacles 31-5652▲ Nickel Plated Round Pin (Standard) Pkg. of 100, Lockwasher for BNC PCB Bulkhead Receptacles 31-5653▲ Nickel Plated BNC BNC PRINTED CIRCUIT BOARD BULKHEAD RECEPTACLES AND ACCESSORIES Description Dimensions, inches (millimeters) Terminal Type a b e Standard Height Printed Circuit Angle Bulkhead Receptacle (J)✩ Blunt Posts for Signal 1.40(35.6) .810(20.6) .250(6.4) & Ground Low Profile Printed Circuit Angle Bulkhead Receptacle (J)✩ Blunt Posts for Signal 1.40(35.6) .810(20.6) .250(6.4) & Ground Vertical Printed Circuit Blunt Posts for Signal Notes Plt. Ins. P26 D17 P26 D17 P26 D20 P26 D20 P25 D20 P26 D22 P26 D22 P25 D17 P26 D17 P26 D17 P26 D20 P26 D20 P26 D22 P26 D17 P26 D17 Mtg. Hole R/P Iso. Black Housing R/P R/P R/P R/P Metal Housing V/P Iso. White Housing V/P Iso. Black Housing P26 D22 P26 D22 P25 D13 P25 D20 Hex Nut for BNC Bulkhead PCB Receptacles, Package of 100 ea. P3 — — Lockwasher for BNC Bulkhead PCB Receptacles, Package of 100 ea. P3 — — Receptacle (J)✩ & Ground Iso. White Housing R/P D20 .250(6.4) Iso. White Housing Iso. Black Housing D20 .810(20.6) Metal Housing R/P P26 1.40(35.6) Iso. White Housing R/P P26 Bulkhead Notes V/P Metal Housing MTG. Pin Type Imp Amphenol Number Round 50Ω 31-5431 Fork 50Ω 31-5431-1010 Round 50Ω 31-5538 Fork 50Ω 31-5538-1010 Stamp 50Ω 31-5538-10RFX Round 50Ω 31-5640 Fork 50Ω 31-5640-1010 Fork 50Ω 31-5431-10RFX Round 50Ω 31-5486 Fork 50Ω 31-5486-1010 Round 50Ω 31-5540 Fork 50Ω 31-5540-1010 Round 50Ω 31-5637 Round 50Ω 31-5493 Fork 50Ω 31-5493-1010 Round 50Ω 31-5539 Fork 50Ω 31-5539-1010 Round 50Ω 31-5633 Fig. ▲ 1 1 ▲ 1 2 ▲ 3 ▲ Fork 50Ω 31-5633-1010 Iso. White Housing Fork 50Ω 31-5486-10RFX R/P Iso. Black Housing Fork 50Ω 31-5540-10RFX 2 Nickel Plated — — 31-5652 4 Nickel Plated — — 31-5653 5 R/P 2 ✩ Jam nuts and lockwashers sold separately. See Figs. 4 & 5 ▲ distributor stocked Amphenol Corporation Tel: 800-627-7100 www.amphenolrf.com 117 ▲ ▲ ▲