SDTM-610-KTR BOURNS | Alldatasheet

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Technical content

Features

■ Available sharp click feel with a positive tactile feedback ■ Ultra-miniature and lightweight structure suitable for high density mounting ■ Very economical with high reliability ■ RoHS compliant* ■ Insert molding in the contact with special treatment prevents flux buildup during soldering and permits autodipping SDTM-610/620/630/650/660 4.30 (.169) 6.20 (.244) 3.50 (.138) DIA. 3.50 (.138) 0.50 (.020) MAX. 0°-4° 0.70 (.028) 0.200 ± 0.10 (.008 ± .004) 9.0 ± 0.2 (.354 ± .008) CL CL CL H ± 0.20 (H ± .008) 4.50 ± 0.20 (.177 ± .008) T1 T2 T4T3 Product Dimensions DIMENSIONS: MM (IN) TOLERANCES: EXCEPT WHERE NOTED. 0.2 (.008) SDTM-644/648 4.30 (.169) 6.20 (.244) SDTM-644: 0.70 (.028) CL CL 2.4 (.095) DIA. 3.50 (.138) 0.50 (.020) MAX. 0°-4° 0.200 ± 0.10 (.008 ± .004) 9.0 ± 0.2 (.354 ± .008) CL 7.30 (.287) 4.50 ± 0.20 (.177 ± .008) SDTM-648: 2.8 (.110) DIA. T1 T2 T4T3 9.50 (.374) 4.50 (.177) 1.30 (.051) RECOMMENDED PCB LAYOUT 6.40 (.252) T1 T2 T4T3 *RoHS COMPLIANT How To Order SDT M - 6 10 - K TR Model Product Code M = SMD Size 6 = 6 mm Height 10 = 4.3 mm 20 = 5.0 mm 30 = 7.0 mm 44 = 7.3 mm (square head) 48 = 7.3 mm (square head) 50 = 9.5 mm 60 = 13 mm Actuating Force K = 100 g (black head) N = 160 g (brown head) R = 260 g (red head) S = 320 g (salmon head) Y = 520 g (yellow head) Packaging Option TR = Embossed tape* 610 = 1000 pcs. 620 = 900 pcs. 630 = 700 pcs. 644, 648 = 500 pcs. 650 = 380 pcs. __ = Tube All models = 77 pcs. *not applicable to Model 660. T1 T2 T4T3 CIRCUIT DIAGRAM The SDTM S eries is currently available, although not recommended for new designs.

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. SDTM Series SMD Tact Switch SDTM-610/620/630/644/648/650(TR) 16.00 +0.30/-0.10 12.00 ± 0.10 (.472 ± .004) 2.0 ± 0.10 (.079 ± .004) 4.00 ± 0.10 (.157 ± .004) 1.50 +0.25/-0.00 (.059 +.010/-0.00) 1.50 + 0.10/-0.00 DIA. DIA. Packaging Specifications DIMENSIONS: MM (IN) TOLERANCES: EXCEPT WHERE NOTED. 0.2 (.008) 6.5 (.256) 1.8 (.071) 1.8 (.071) 2.6 (.102) 0.5 (.020)R 1.0 (.039)R A 9.4 (.370) 7.5 (.295) 6.0 ± 0.5 (.236 ± .020) 10.6 ± 0.1 (.417 ± .004) SDTM-610/620/630/644/648/650/660(TUBE) MODEL NO. DIM. A SDTM-630, 644, 648 10.40 (.409) SDTM-650, 660 15.9 ± 0.1 (.626 ± .004) SDTM-610, 620 5.5 (.217) REV. 08/06 Reflow Soldering Profile Temperature (°C) Time (Seconds) MAX. 260 °C 255 °C 230 °C 150 °C 120~150 Seconds Room Temperature

60 Seconds

5~10 Seconds