Twinax and Quadrax Connectors 257-455 Box Mount Quadrax Connector With PC Tails * MIL-DTL-38999 Series III Type Contact Style P - Pin, PC Tail Quadrax (100 Ohm) S - Socket, PC Tail Quadrax (100 Ohm) C - Pin, PC Tail Quadrax (150 Ohm) D - Socket, PC Tail Quadrax (150 Ohm) Basic Number Shell Size 09 21 23 25 Finish M - Electroless Nickel NF - O.D. Cadmium over Nickel 257 - 455 M 21 Alternate Key Position A, B, C, D, E (N = Normal) G 75 P N Insert Arrangement (See Opposite Page) G = Ground Plane Option (use "-" for none) .235 Max .843 Max. A Thread E 2x C BSC 4x M3X0.5-6G .005 M Clinch Nut 4 Places D A C B 2X D .102 .075 4x Chamfered or Rounded B SQ. .175 .125 Typ. Clinch Nut Ref. Potting Compound Pin contact Shown for Reference Only See Detail A On Adjacent Pg. .189 Typ PCB Standoff 4x M3X0.5-6G Holes .156 Deep @ 90 Apart .520 Max Fully Mated Indicator Band - Red PCB Flex Print also Available. Consult Factory. Mates With o .219 / .217 .219 o .217 .111 Typ 4x o .026 .024 Pin Mates With o .026 / .024 Socket APPLICATION NOTES 1. Assembly identified with Glenair's, part number and date code 2. Insert arrangements IAW MIL-STD-1560 and Figure I 3. Glenair 257-455 receptacle connector is designed to mate with any QPL manufacturers MIL-C-38999 series III plug connector having the same insert arrangement, polarization and the same quadrax interface dimensions shown. 4. PC contacts supplied with connector (installed) and are not sold seperately. (c) 2010 Glenair, Inc. 5. Material/finish: Shell assembly, jam nut, lock ring--Al alloy/see Table II Contacts--copper alloy/gold plate Bayonet pins--CRES/passivate 0-rings, interfacial & peripheral seals--silicone/N.A. Insulators--high grade rigid dielectric/ N.A. 6. Metric Dimensions (mm) are indicated in parentheses CAGE CODE 06324 Printed in U.S.A. GLENAIR, INC. * 1211 AIR WAY * GLENDALE, CA 91201-2497 * 818-247-6000 * FAX 818-500-9912 www.glenair.com E-12 E-Mail: sales@glenair.com Twinax and Quadrax Connectors 257-455 Box Mount Quadrax Connector With PC Tails * MIL-DTL-38999 Series III Type Orientation Key / Keyway 45 Orientation Key / Keyway .250 (CL of Ground Legs) o .039 Min. 4x Equally Spaced 1 2 4 3 45 .021 x .025 o .030 Min 4x .111 Typ C BSC 4x .130 Min. o .250 BC 1 4 C BSC 2 3 .111 Typ o E Min. Rear View of Differential Quadrax Recommended PCB Layout Back Panel Mounting A A D G A B B E F H C F D C Arrangement 09-5 C E D B Arrangement 21-75 Arrangement 23-06 E Arrangement 25-08 See Quadrax Contact Information on D-24 TABLE I CA DA NA AA BA Figure 1 Master Keyway Position Face View Shown Insert Arrangement Does Not Rotate With Master Keyway (c) 2010 Glenair, Inc. Shell Size A Thread B Sq. C Bsc. D Bsc. oE Min. 09 .6250-.1P-.3L-TS-2A 1.031 1.007 .719 .594 .656 21 1.3750 -.1P-.3L-TS-2A 1.575 1.545 1.250 1.221 1.421 23 1.5000 -.1P-.3L-TS-2A 1.701 1.677 1.375 1.360 1.546 25 1.6250 -.1P-.3L-TS-2A 1.823 1.799 1.500 1.475 1.672 CAGE CODE 06324 Printed in U.S.A. GLENAIR, INC. * 1211 AIR WAY * GLENDALE, CA 91201-2497 * 818-247-6000 * FAX 818-500-9912 www.glenair.com E-13 E-Mail: sales@glenair.com