tocos america, inc. 1177 east tower road, schaumburg, il 60173 tel: 847-884-6664 fax: 847-884-6665 e-mail: sales @ tocos.com www.tocos.com environmental temperature range . . . . . . . . . . . . . . . . . 55 cto 100 c load life . . . . . . . . . . . . . . 70 c, 250 hours with rated load ? a ) 0.5db, ? i ) 5% moisture and load life . . . . . . . . . . . . . 40 c, 90-95%rh 90 minutes on, 30 minutes off, 0.2 watt, 120 cycles ? a ) 0.5db, ? i ) 5% thermal shock . . . . . . . . . . . . . . . . . . . . . . 55 c, 100 c, 30 minutes each, 5 cycles without load ? a ) 0.5db, ? i ) 5% shock . . . . . . . . . . . . . 50g, 11ms, 6 directions, 3 times each ? a ) 0.5db, ? i ) 5% vibration . . . . . . . . . . . . . . . . . .10-55hz, 1.5mm amplitude, 3 directions, 2 hours each ? a ) 0.5db, ? i ) 5% soldering heat resistance . . . . . . . . . . . 350 c, 3 seconds ? a ) 0.1db, ? i ) 1% seal test . . . . . . . . . . . . . . . . . 85 c, hot water for 1 minute rotational life . . . . . . . . . . . . . . . . . . 50 cycles without load ? a ) 1db, ? i ) 10% ? a = attenuation change at dc; ? i = impedance change ratio AT10 series 10mm square, single-turn, through-hole sealed cermet attenuators tocos attenuators features 10mm square, single-turn, through-hole, sealed attenuators cermet element top and side adjust styles available flush single-slot rotor adjustment optional 20mm or 30mm plastic shaft with knurled, slotted end style 50 ? ,75 ? or 600 ? nominal impedance 6.5db, 12db or 20db nominal attenuation 3-pin triangular pcb patterns meets ul 94v-0 flammability requirements sealed to withstand immersion cleaning specifications electrical nominal impedance . . . . . . . . . . . . . . . . . . 50 ? ,75 ? , 600 ? attenuation range at dc power rating . . . . . . . . 0.2 watt at 70 c, 0 watt at 100 c insulation resistance . . . . . 100m ? minimum at 1,000vdc dielectric strength . . . . . . . . . . . . . . . . 1,000vac, 1 minute adjustment travel . . . . . . . . . . . . . . . . . . . . . . . . . 140 10 mechanical mechanical travel . . . . . . . . . . . . . . . . . . . . . . . . . 150 10 shaft torque . . . . . . . . 25 to 200 gf cm (0.35 to 2.77 oz in) stop strength . . . . . . . . . . . . . 800 gf cm (11.09 oz in) max. flammability of plastic materials . . . . . . . meets ul 94v-0 nominal weight . . . . . . . . . . . . . . . . . . . . . 1.4g (p); 1.7g (s) 1.7g (pk 20mm shaft length) 2.0g (pk 30mm shaft length) marking . . . . . . . . . . . impedance, attenuation, dial locators, terminal identification, date code nominal attenuation attenuation tolerance minimum attenuation 6.5db 0.7db 0.4db max. 12 db 1.1db 0.6db max. 20db 1.5 db 1.2db max. AT10p AT10s AT10pk 102
tocos america, inc. 1177 east tower road, schaumburg, il 60173 tel: 847-884-6664 fax: 847-884-6665 e-mail: sales @ tocos.com www.tocos.com frequency specifications AT10 series * a = attenuation model nominal impedance nominal attenuation frequency range attenuation flatness db max. return loss db min. vswr max. 50 ? 75 ? 50 ? 75 ? 600 ? 0 600 ? 0 0.2 0.3 0.2 0.3 0.2 0.3 0.2 0.3 0.3 0.3 0.3 0.15 0.4 0.15 0.4 0.3 0.3 0.3 0.2 0.2 18 14 17 13 dc ~ 300mhz dc ~ 500mhz dc ~ 300mhz dc ~ 500mhz dc ~ 300mhz dc ~ 500mhz dc ~ 300mhz dc ~ 500mhz dc ~ 100khz dc ~ 100khz dc ~ 100khz 1.29 1.50 1.33 1.58 20 16 dc ~ 300mhz dc ~ 500mhz dc ~ 300mhz dc ~ 500mhz 1.22 1.38 23 17 20 16 1.15 1.33 1.22 1.38 20 16 1.15 1.38 23 20.8 20.8 23 14 21 13 1.15 1.20 1.20 1.15 1.50 1.20 1.58 19 12 1.25 1.67 20 19 1.22 1.25 17 1.33 23 20.8 20.8 1.15 1.20 1.20 dc ~ 300mhz dc ~ 500mhz dc ~ 300mhz dc ~ 500mhz dc ~ 300mhz dc ~ 500mhz dc ~ 250mhz dc ~ 250mhz dc ~ 250mhz dc ~ 100khz dc ~ 100khz dc ~ 100khz 6.5db 12 db 20db 6.5db 12 db 20db 6.5db 12 db 6.5db 12 db 20db 6.5db 12 db 6.5db 12 db 20db 20db 20db AT10p & AT10pk AT10s a*= 0 ~10db: 0.2 a*= 10 ~ 20db: 2.0 a*= 0 ~10db: 0.3 a*= 10 ~ 20db: 4.5 a*= 0 ~10db: 0.2 a*= 10 ~ 20db: 2.0 a*= 0 ~10db: 0.3 a*= 10 ~ 20db: 4.5 a*= 0 ~13db: 0.15 a*=13 ~ 20db: 0.7 a*= 0 ~13db: 0.4 a*=13 ~ 20db: 3.0 a*= 0 ~14db: 0.25 a*=14 ~ 20db: 1.3 103
l shaft housing length a actual shaft length tocos america, inc. 1177 east tower road, schaumburg, il 60173 tel: 847-884-6664 fax: 847-884-6665 e-mail: sales @ tocos.com www.tocos.com dimensions AT10 series AT10s no shaft, flush single-slot, side adjust s terminal style out c in 1.0 max. (3 holes) 2.5 0.3 2.5 0.3 5.0 0.6 5.0 0.6 unit: mm shaft code 20s 30s 20mm 30mm 13mm 23mm AT10pk shaft codes and dimensions out c in 1.0 max. (3 holes) 2.5 0.3 2.5 0.3 2.5 0.3 5.0 0.6 unit: mm recommended pcb layouts electrical schematic p & pk pin-out s pin-out in r s1 r s2 r p c z in z o out AT10p no shaft, flush single-slot, top adjust p terminal style 104 AT10pk 13mm or 23mm plastic shaft with knurled, slotted end style, top adjust, pk terminal style
tocos america, inc. 1177 east tower road, schaumburg, il 60173 tel: 847-884-6664 fax: 847-884-6665 e-mail: sales @ tocos.com www.tocos.com part numbering system at pk 10 500 - 20s 20db nominal impedance code: expressed in ohms. a three digit code where the first two digits are significant figures, and the third digit indicates the number of zeros that follow these figures (i.e., 500 = 50 ? ; 750 = 75 ? ; 601 = 600 ? ). shaft length: 20s = 13mm shaft with knurled, slotted end style. 30s = 23mm shaft with knurled, slotted end style. blank = no shaft. nominal attenuation: 6.5db ( 0.7 attenuation tolerance). 12db ( 1.1 attenuation tolerance). 20db ( 1.5 attenuation tolerance). dash: use a dash, with no space before or after the dash, to separate style and nominal attenuation. example: AT10pk-20db20s500 style: p = pcb mount, no shaft, rotor flush with housing, 3-pin triangular pattern, top adjust. s = pcb mount, no shaft, rotor flush with housing, 3-pin triangular pattern, side adjust. pk = pcb mount, plastic shaft (available in 2 lengths), 3-pin triangular pattern, top adjust only. size: 10 = 10mm square housing. tocos series name: at = attenuator. AT10 series soldering and cleaning guidelines for soldering, cleaning and other information, refer to the guidelines and precautions. packaging standard: bulk packaging quantity 100 pieces per box. 105
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