COPAL ELECTRONICS 3 TURNS CERMET TRIMMERS RoHS compliant TM-7 INTERNAL STRUCTURE !0 1 9 2 8 3 4 5 Part name FEATURES RoHS compliant Fine setting is possible Extremely small backlash (In house comparison) 6 7 Material Flammability 1 Shaft 2 Rubber cushion Silicone rubber 3 Wiper Multi metal alloy 4 Base element 5 Adhesive 6 Terminal pin 7 Resistive element RuO2 cermet 8 Electrode Ag-Pd cermet 9 Rotor gear Polyamide UL-94HB !0 Housing PBT(Polybutyleneterephthalate) UL-94V-0 Zinc alloy, Nickel-plated -- Ceramic UL-94V-0 Epoxy Copper, Tin-plated -- PART NUMBER DESIGNATION T M - 7 E P 5 0 k ( 5 0 3 ) Series name Resistance code Terminal pin Resistance value ESn (Lead-free) Product shape PTop adjustment WTop adjustment S Side adjustment XSide adjustment Please refer to the LIST OF PART NUMBERS when placing orders. Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. COPAL ELECTRONICS TM-7 CERMET TRIMMERS LIST OF PART NUMBERS <Nominal resistance values> Form of packaging Adjustment position Pieces in package Shape of terminal (Top view) Plastic bag Top adjustment 3 TM-7EP 3 TM-7EW 3 TM-7ES 100 200 500 1 k 2 k 5 k 50 k 100 k 200 k 500 k 1 M 2 M 10 k Fig. 1 The above part numbers are all available as the standard item respectively with the combination of <Nominal resistance values> (Fig. 1). Verify the above part numbers when placing orders. 2 1 50 20 k 2 1 50 pcs./pack 2 Side adjustment (Adjustment direction) 1 1 3 2 TM-7EX ELECTRICAL CHARACTERISTICS Nominal resistance range Resistance tolerance 50 ~ 2 M 10 % Power ratings 0.5 W (70 C) 0 W (120 C) Resistance law Linear law Maximum input voltage DC300 V or power rating, whichever is smaller Maximum wiper current 100 mA or power rating, whichever is smaller Effective electrical turn 2.5 turns MECHANICAL CHARACTERISTICS Mechanical turn 3 turns Operating torque 20 mN*m {204 gf*cm} maximum Mechanical stop Clutch action Rotational life 200 cycles R/R (2 +3 %) Terminal strength 10 N {1.02 kgf} minimum Tensile strength Thrust to shaft 10 N {1.02 kgf} minimum 245 3 C, 2 ~ 3 s Solderability End resistance 1 % or 2 , whichever is greater C.R.V. 1 % or 3 , whichever is greater Operating temp. range Temp. coefficient Insulation resistance Dielectric strength Net weight - 55 ~ 120 C 100 10-6/C maximum { }Reference only ENVIRONMENTAL CHARACTERISTICS Test item Thermal shock Humidity Shock Specifications -65 ~ 125 C (0.5 h), 5 cycles [R/R 1 %] [S.S. 1 %] -10 ~ 65 C (80 ~ 98 %), 10 cycles, 240 h 981 m/s2, 6 ms 6 directions for 3 times each Vibration Amplitude 1.52 mm or Acceleration 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each Load life 70 C, 0.5 W, 1000 h 1000 M minimum (DC500 V) AC900 V, 60 s Approx. 0.50 g (TM-7EP, EW) Approx. 0.69 g (TM-7ES, EX) Test conditions [R/R 2 %] [R/R 1 %] [S.S. 1 %] [R/R 3 %] [S.S. 1 %] [R/R 2 %] [S.S. 2 %] [R/R 3 %] [S.S. 2 %] Low temp. operation -55 C, 2 h High temp. exposure 120 C, 250 h Immersion seal 85 C, 60 s No leaks (No continuous bubbles) Soldering heat Flow soldering 260 3 C, 5 ~ 6 s, two times maximum Manual soldering 380 10 C, 3 ~ 4 s [R/R 1 %] R/RChange in total resistance S.S. Setting stability Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. COPAL ELECTRONICS TM-7 CERMET TRIMMERS MAXIMUM INPUT RATINGS Nominal resistance values () Resistance code Maximum input voltage (V) Maximum wiper current (mA) 50 100 200 500 500 101 201 501 5.00 7.07 10.0 15.8 100 70.7 50.0 31.6 1k 2k 5k 10 k 20 k 50 k 102 202 502 103 203 503 22.4 31.6 50.0 70.7 100 158 22.4 15.8 10.0 7.07 5.00 3.16 100 k 200 k 500 k 1M 2M 104 204 504 105 205 224 300 300 300 300 2.24 1.50 0.60 0.30 0.15 OUTLINE DIMENSIONS Unless otherwise specified, tolerance: 0.3 (Unit: mm) TM-7EP Top adjustment 6.9 2.5, Slot 0.6 W x 0.7 D 1 2.5 2.5 0.3 CW rotation 2 2 2.5 7.2+0.4 -0.1 3 1 3 - 0.45 Resistance code & Production date code TM-7EW Top adjustment 6.9 2.5, Slot 0.6 W x 0.7 D 72 1.8 1.8 0.3 2 0.6 7.2+0.4 -0.1 1.3 1.5 Lead-free Identification mark 3 Resistance code & Production date code Pin pitch in W type is different from P type. 1 3 - 0.45 2.5, Slot 0.6 W x 0.7 D 7.2 +0.4 -0.1 Resistance code & Production date code 8.2 +0.4 -0.1 0.3 TM-7ES Side adjustment 3 1.5 Lead-free Identification mark 72 6.52 2.5 0.8 2.5 6.2 8.4 1 Lead-free Identification mark 2.5 2 3 - 0.45 3 Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. COPAL ELECTRONICS TM-7 CERMET TRIMMERS OUTLINE DIMENSIONS TM-7EX Side adjustment Unless otherwise specified, tolerance: 0.3 (Unit: mm) Resistance code & Production date code 1 7.2+0.4 -0.1 2.5, Slot 0.6 W x 0.7 D 3 0.3 CW rotation 8.2+0.4 -0.1 2 2.5 92 Lead-free Identification mark 0.8 3.2 2.5 8.4 2 2.5 3 3 - 0.45 1 Pin position & shaft position of X type are different from S type. PACKAGING SPECIFICATIONS <Bulk pack specifications> Unit of bulk in a plastic bag is 50 pcs. per pack. Boxing of bulk in a plastic bag is performed with 200 pcs. per box. Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.