AHF1 ECO-FRIENDLY SWITCHES TIP (AHF1) SWITCHES FEATURES An eco-friendly switch-replacing a mercury switch with steel ball inside High corrosive gas resistance-sealed construction by O ring assures high contact reliability TYPICAL APPLICATIONS * For detection of tip Gas heaters Electric air conditioners Electric fans * For criminal detection Vending machines Public phones Ammusement equipments ORDERING INFORMATION Vertical mounting type Part number Horizontal mounting type AHF11 Part number AHF12 PC board Steel ball SPECIFICATIONS 1. Contact rating 0.1A 30VDC Applicable range: 1mA 5VDC to 0.1A 30VDC 2. Characteristics Expected electrical life (Min. operations) 0.1A 30VDC resistive 1mA 5VDC resistive Insulation resistance Dielectric strength Vibration resistance Shock resistance Ambient temperature Ambient humidity Initial contact resistance Min. 5 x 103 Min. 106 Min. 100 m at 500 VDC 100 Vrms for 1 min. 2.9 m/s2 {0.3G} 40 to 400 Hz for 7 days 5 to 10 Hz at double amplitude of 10 mm, 5x105 cycles 588 mm/s2 {60G}, 6 directions, 3 times/each direction -25C to +85C, -13F to +185F (not freezing below 0C 32F) Max. 85%RH Max. 100 m (by voltage drop, 0.1A 6 to 8 VDC) 3. Operating characteristics Operating angle (angle of turning off the circuit) Release angle (angle of turning on the circuit) 126 Goes off at more than 25 and less than 60 degrees in relation to the reference line (with an operation angle of 6 degrees/second in the X and Y directions) Goes on at 20 degrees or more (in the X and Y directions) AHF1 mm inch General tolerance 0.25 .010 DIMENSIONS VERTICAL MOUNTING TYPE 11.3 .445 PC board pattern 11.3 .445 13.2 50.1 .520 5.004 Terminal #1 13.2 50.15 12.2 50.15 .520 5.004 .480 5.004 Schematic 4-1.350.1 Dia. hole 4-.0515.004 Dia. hole 1 Terminal #3 Terminal width 0.9 .035 0.5 .197 3 14.2 50.1 .559 5.004 2-C1.0 12.2 50.1 .480 5.004 Support terminal of P.C board 14.2 50.3 .559 5.012 Datum line 3.6 .142 HORIZONTAL MOUNTING TYPE PC board pattern Schematic 21.6 .850 22.6 50.1 .890 5.004 4-1.350.1 Dia. hole 4-.0515.004 Dia. hole 1 2 3 4 18.5 .728 12.2 50.1 .480 5.004 Datum line 5.0 .197 12.2 50.15 .480 5.006 22.6 50.15 .890 5.006 3 4 1 2 NOTES 1. Soldering operations 1) for manual soldering Soldering should be accomplished in less than 8 seconds with a 60 watt iron max. (iron tip temperature: Max. 350C 662F) 2) For automatic soldering Soldering should be done less than 10 seconds in 260C 500F solder bath or less than 3 seconds in 350C 662F solder bath. 2. Environment Avoid using and keeping switches in the following conditions. * In corrosive gases * In a dusty environment * Where silicon atmosphere prevails 3. Quality check under actual loading conditions To assure reliability, check the switch under actual loading conditions. 4. Recommended circuit for tip Contact chattering may happen when vibration or shock is applied to the switch because of a leaf spring and steel ball inside. Please detect a signal by following procedure. 1) Read access by a microcomputer should be done every 30 msec. at 1mA 5VDC. 2) Two reading 'open' in succession should be judged as 'open' condition. 3) After the judgement, if the 'open' condition continues for more than 0.5 sec., the condition should be confirmed lastly. <Example> Microcomputer read access 30ms Judge as "open" More than 0.5 sec. confirm as "open" close Tip SW open 5. Others * Switch cover is set to the body through O-ring for sealing purpose. Do not disassemble the switch or the characfteristics may change. * For switching of inductive loads (relay, solenoids, buzzars, etc.), in order to prevent damage to contacts due to the occurrence of arcing, an arc absorbing circuit should be applied. 127