Series: BU-178HT SMT Machined Dip Socket v v v v v v Insertion diameter, .40 mm min. - .56 mm max. Insertion depth, 2.4 mm min. - 3.8 mm max. Process temperature, 260C for 10 sec. / 215C for 2 minutes Four finger clip with funnel design entry Side and end stackable Pin 1 polarized O 1.5 2.8 2.54 1. C 5 B OPTIONAL PICK AND PLACE PAD 2.4 C A O1 3.7 n - 1 x 2.54 C 4.3 n - 1 X 2.54 RECOMMENDED PCB LAYOUT Ordering example: BU - 14 0 Z - 178HT Positions A B 04 5.08 10.08 06 7.62 08 C Positions A B C 7.62 24 30.48 17.70 15.24 10.08 7.62 24* 30.48 10.08 7.62 10.16 10.08 7.62 28 35.56 10.08 15.24 10 12.70 10.08 7.62 28* 35.56 10.08 7.62 14 17.78 10.08 7.62 32 40.64 17.70 15.24 16 20.32 10.08 7.62 36 45.75 17.70 15.24 18 22.86 10.08 7.62 40 50.80 17.70 15.24 20 25.40 10.08 7.62 48 60.96 17.70 15.24 22 27.94 10.08 15.24 50 63.50 25.32 22.86 22* 27.94 10.08 7.62 64 81.28 25.32 22.86 *Add 1 for 7.62 spacing on 22(1), 24(1) and 28(1) positions On-Shore Technology v1917 W. Third St.Tempe, AZ 85281 vTelephone: 602-921-3000 vFax: 602-968-4444 Specifications Machined Dip Sockets Series: BU Ratings: Current Voltage Dielectric strength Contact resistance Insulation resistance Air and creepage distance PCB thickness: PCB hole size: 1A max. 10 mV - 60 V > 1000 V (RMS) 7 m 12 > 10 > 0.6 mm 1.6 mm - 2.0 mm .7 mm - .9 mm Material: Plastic Sleeve Clip Temperature range Insertion depth Insertion diameter Mechanical life PBT Glass-filled, UL94V-0 Turned brass, Flash copper plated, Nickel 2-3m, Tin 5m Beryllium-copper, Nickel 2-3m, Gold 0.25m -55C / +125C, 260C for 5 sec. (solder bath resistant) 2.4 mm min. - 3.9 mm max. 0.4 mm min. - 0.56 mm max. 100 cycles ORDERING PROCEDURE 1 - 2 3 4 - 5 1) Series 2) Number of Positions (see chart for available positions) 3) Contact style: O = Solder tail 4) Plating: Z = Gold clip / Tin sleeve G = Gold clip / Gold sleeve 5) Series options: SFD = Ultra low profile 178HT = Surface mount CA = Capacitor Please refer to following pages for ordering examples. On-Shore Technology v1917 W. Third St. Tempe, AZ 85281 vTelephone: 602-921-3000 vFax: 602-968-4444