■ NT *R oH S CO M PL IA Features ■ ■ ■ Available sharp click feel with a positive tactile feedback Ultra-miniature and lightweight structure suitable for high density mounting Economical with high reliability RoHS compliant* The SDT Series is currently available, although not recommended for new designs. ■ Insert molding in the contact with special treatment prevents flux buildup during soldering and permits autodipping SDT Series Tact Switch Electrical Characteristics Electrical Life ..................500,000 cycles min. for 260 g 1,000,000 cycles min. for 100 g, 160 g Rating ..................................DC 12 V 50 mA Contact Resistance ......100 milliohms max. Insulation Resistance ..................100 megohms, DC 500 V min. Dielectric Strength ....250 V AC for 1 minute Contact Arrangement ........1 pole 1 position Environmental Characteristics Operation Force ......................260 g ±50 g, 160 g ±50 g, 100 g ±50 g Stop Strength............Place the switch such that vertical, a static load of 3 kg shall be applied in the direction of actuator operation for a period of 15 sec. Stroke 6mm type ..................0.25 + 0.2/- 0.1 mm 12mm type ........................0.35 ± 0.1 mm Temperature Range ..........-20 °C to +70 °C Vibration Test........................Mil-STD-202F, Method 201A Frequency ..............10-55-10 Hz/1 minute Directions ................X,Y,Z, three mutually perpendicular directions Time......................2 hours each direction. High reliability Shock Test ..........................MIL-STD-202F, Method 213B, Condition A Gravity ..........50 G (peak value), 11 msec Direction & Times....................6 sides and 3 times in each direction. High reliability Physical Characteristics Cover Materials ..........................................................Steel Base Materials ......UL94V-0 PBT plus glass fiber reinforced Cover/Base Color................................Black Actuator Materials ................Dulacon POM plus glass fiber reinforced Actuator Color ................Black, brown, red Contact Disc Materials ....Phosphor bronze with silver cladding Terminal Materials ..........................Brass with silver cladding Hand Soldering Process ..............350 °C ±10 °C / 5 seconds max. Wave Soldering Process ....................Preheat 100 °C / 60 seconds 260 °C ±5 °C / 5 seconds Packaging ..................1,000 pieces per bag Product Dimensions SDTX-610/620/630/650/660 4.30 (.169) CL T1 4.50 ± 0.20 (.177 ± .008) T3 T4 CL 6.50 ± 0.50 (.256 ± .020) 7.90 ± 0.50 (.311 ± .020) T2 T1 T5 0.40 MAX. (.016) CL 3.60 (.142) 0.30 (.012) 0.70 (.028) 1.80 (.071) A B MM/(IN) 2.4 +.1/-0 (.094 + .004/-0) 1.6 + .1/-0 (.063 + .004/-0) SDTX-648 DIM. A B SDTG-644/648 SDTG-644 A B DIM. CL A 4.10 (.161) B MM/(IN) 2.8 +.1/-0 (.110 + .004/-0) 2.0 + .1/-0 (.079 + .004/-0) A B 0.70 (.028) RECOMMENDED PCB LAYOUT 4.5 ± 0.1 (.177 ± .004) MM/(IN) 2.8 +.1/-0 (.110 + .004/-0) 2.0 + .1/-0 (.079 + .004/-0) 15° CIRCUIT DIAGRAM T4 T3 T2 1.0 ± 0.05 DIA (.039 ± .002) 4 PLCS. T1 T5 CIRCUIT DIAGRAM RECOMMENDED PCB LAYOUT T1 T2 T3 6.5 ± 0.1 (.256 ± .004) 4.5 ± 0.1 (.177 ± .004) T4 DIMENSIONS: *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MM/(IN) 2.4 +.1/-0 (.094 + .004/-0) 1.6 + .1/-0 (.063 + .004/-0) SDTG-648 DIM. 15° 6.5 ± 0.1 (.256 ± .004) 3.50 ± 0.50 (.138 ± .020) 6.50 ± 0.50 (.256 ± .020) 7.90 ± 0.50 SDTX-644 DIM. 0.70 (.028) 1.50 (.059) 3.50 DIA. (.138) H ± 0.20 (H ± .008) 3.50 ± 0.50 (.138 ± .020) SDTX-644/648 CL 4.50 ± 0.20 (.177 ± .008) 3.50 (.138) 0.30 (.012) A B T3 CL 3.50 DIA. (.138) H ± 0.20 (H ± .008) 1.80 (.071) 6.0 (.236) 4.30 (.169) CL T4 T2 CL 0.50 MAX. (.020) SDTG-610/620/630/650/660 6.0 (.236) MM (IN) 4.1 ± 0.1 (.161 ± .004) 1.0 ± 0.05 DIA (.039 ± .002) 5 PLCS. SDT Series Tact Switch Product Dimensions SDTA-610/620/630/650/660 4.30 (.169) CL SDTA-644/648 6.20 (.244) 4.30 (.169) CL T2 T4 0.70 (.028) 4.50 ± 0.20 (.177 ± .008) 3.50 ± 0.50 (.138 ± 0.20) T2 3.50 ± 0.50 (.138 ± 0.20) 7.00 ± 0.50 (.276 ± 0.20) 8.40 ± 0.50 (.331 ± 0.20) A B T4 7.10 DIA. (.280) 0.50 MAX. (.020) 1.80 (.071) MM/(IN) 2.4 +.1/-0 (.094 + .004/-0) 1.6 + .1/-0 (.063 + .004/-0) H ± 0.20 (H ± .008) CL 0.30 (.012) 12.50 ± 0.50 (.492 ± .020) 3.50 DIA. (.138) SDTA-644 DIM. 5.0 ± 0.20 (.197 ± .008) T4 0.70 (.028) 4.50 ± 0.20 (.177 ± .008) 7.00 ± 0.50 (.276 ± 0.20) 8.40 ± 0.50 (.331 ± 0.20) 0.30 MAX. (.012) T2 T3 T1 T3 12.0 (.472) CL 0.40 (.016) 0.40 (.016) T1 T1 1.80 (.071) 1.80 4.00 (.157) (.071) T3 8.0 (.315) CL 4.00 (.157) 7.20 (.283) CL 7.20 (.283) CL SDTX-210 6.20 (.244) 3.50 (.138) 3.50 ± 0.50 (.138 ± .020) 13.90 ± 0.50 (.547 ± .020) CL 0.30 (.012) MAX. SDTA-648 7.40 (.291) DIM. 6.55 (.258) A B MM/(IN) 2.8 +.1/-0 (.110 + .004/-0) 2.0 + .1/-0 (.079 + .004/-0) 7.40 (.291) 1.0 (.039) 6.55 (.258) RECOMMENDED PCB LAYOUT 12.50 ± 0.10 (.492 ± .004) 3.50 DIA. (.138) 0.70 (.028) 2.55 (.100) H ± 0.20 (H ± .008) 2.50 (.098) 4.00 (.157) 1.70 (.067) 7.00 ± 0.10 (.276 ± .004) 2.50 ± 0.10 (.098 ± .004) 1.0 ± 0.05 (.039 ± .002) DIA. 4 PLCS. 4.50 ± 0.10 (.177 ± .004) 1.20 ± 0.05 DIA 4 PLCS. (.047 ± .002) 0.30 (.012) 2.55 (.100) RECOMMENDED PCB LAYOUT 0.70 (.028) 3.15 (.124) 6.15 ± 0.20 (.242 ± .008) RECOMMENDED PCB LAYOUT 4.00 (.157) 7.00 ± 0.10 (.276 ± .004) T1 T2 T3 T4 2.50 (.098) 2.50 ± 0.10 (.098 ± .004) CIRCUIT DIAGRAM T4 T2 CIRCUIT DIAGRAM 1.0 ± 0.05 DIA (.039 ± .002) 4 PLCS. 4.50 ± 0.10 (.177 ± .004) CIRCUIT DIAGRAM T1 5.0 ± 0.10 (.197 ± .004) A B 0.30 (.012) T3 15 ° GROUND TERMINAL T3 T4 T1 T2 GROUND TERMINAL Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. SDT Series Tact Switch Packaging Specifications Product Dimensions SDTX-244 How to Order SDTX-610/620/630/644/648/650 Ammo Pack 12.0 (.472) 8.0 (.315) CL T1 6.35 ± 1.00 (.250 ± .004) 6.0 (.236) T2 5.0 ± 0.20 (.197 ± .008) CL T3 T4 7.10 DIA. (.280) H ± 0.2 (H ± 0.08) 18.0 (.709) 4.0 ± 0.3 DIA. (.157 ± .012) 7.30 (.287) 0.30 (.012) 12.50 ± 0.50 (.492 ± .020) 13.90 ± 0.50 (.547 ± .020) 1.80 (.071) 3.0 (.118) 3.50 (.138) 3.50 ± 0.50 (.138 ± .020) 3.8 + .1/-0 (.150 + .004/-0) 5.0 ± 0.2 (.197 ± .008) 12.7 ± 0.3 (.500 ± .012) CARRIER TAPE 3.85 ± 0.5 (.159 ± .020) 2.0 MAX. (.079) 47.0 (1.85) CL 291.0 (11.46) 1.0 (.039) 331.0 (13.03) RECOMMENDED PCB LAYOUT 700 pieces per box 5.0 ± 0.10 (.197 ± .004) RECOMMENDED PCB LAYOUT 5.0 ± 0.1 (.197 ± .004) 1.20 ± 0.05 DIA 4 PLCS. (.047 ± .002) CIRCUIT DIAGRAM T1 T2 T3 T4 Body Size • 6 = 6 mm • 2 = 12 mm * Distance From First Pin to Top of Head (Right Angle Type) • 10 = 3.15 mm • 20 = 3.85 mm • 30 = 5.85 mm • 44 = 6.15 mm (square head) • 48 = 6.15 mm (square head) • 50 = 8.35 mm • 60 = 11.85 mm Height (Standard Type) • 10 = 4.3 mm • 20 = 5.0 mm • 30 = 7.0 mm • 44 = 7.3 mm x 2.4 mm (square head) • 48 = 7.3 mm x 2.8 mm (square head) • 50 = 9.5 mm • 60 = 13 mm Actuating Force • K = 100 g (black head - 6 mm only) • N = 160 g (brown head) • R = 260 g (red head) • S = 320 g (salmon head - 6 mm only) • Y = 520 g (yellow head - 6 mm only) Packaging Option (SDTX only) • AP = Ammo Pack 15 ° 12.50 ± 0.10 (.492 ± .004) Product Series • X = Standard • G = Ground Terminal • A = Right Angle Type 4.30 (.169) 0.50 MAX. (.020) SDT G - 6 10 - K AP Model 9.0 (.354) 18.0 (.709) SUPPORT TAPE 1.70 (.067) CL 12.7 ± 1.00 (.508 ± .004) 3.5 DIA. (.138) 3.5 (.138) 1.0 +0.1/-0 (.040 + .004/-0) CIRCUIT DIAGRAM T1 REV. 02/06 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. T2 * Options available: • SDTX-210 • SDTX-244