COPAL ELECTRONICS 18 TURNS CERMET TRIMMERS RoHS compliant CT-94 INTERNAL STRUCTURE !0 2 1 3 9 4 5 6 7 Material Flammability PBT(Polybutyleneterephthalate) UL-94V-0 Part name FEATURES RoHS compliant Thin body design (4.8 mm thick) 18 turn, sealed, precision type 8 1 Housing 2 Base element 3 Wiper 4 Resistive element RuO2 cermet 5 Electrode Ag-Pd cermet 6 Adhesive Epoxy UL-94V-0 7 Terminal pin Copper, Tin-plated -- 8 Rotor gear Polyamide UL-94HB 9 Rubber cushion !0 Shaft Ceramic Multi metal alloy -- Silicone rubber -- Brass, Nickel-plated PART NUMBER DESIGNATION C T - 9 4 E W 1 k ( 1 0 2 ) Series name Terminal pin ESn (Lead-free) Resistance code Resistance value Product shape W, Y Top adjustment X, P, Z Side 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 CT-94 CERMET TRIMMERS LIST OF PART NUMBERS Adjustment position Shape of terminal (Top view) Top adjustment 3 1 Form of packaging Plastic bag Nominal resistance values A 10 A 20 Pieces in package A 25 k 50 100 200 500 1 k 2 k 50 k 100 k 200 k A 250 k 500 k 1 M 2 M 5 k The above part numbers are all available with the respective combination of <Nominal resistance values> (Fig. 1). Verify the above part numbers when placing orders. CT-94EW The products indicated by A mark are manufactured upon receipt of order basis. CT-94EY 3 20 k Fig.1 2 2 10 k 1 3 1 CT-94EX 50 pcs./pack 2 Side adjustment ( Adjustment direction) 3 1 CP-94EP 2 3 1 CT-94EZ MECHANICAL CHARACTERISTICS Mechanical turn 18 turns Operating torque 35 mN*m {357 gf*cm} maximum Mechanical stop Clutch action 2 200 cycles [R/R (2 + 3 %)] Rotational life ELECTRICAL CHARACTERISTICS Nominal resistance range Resistance tolerance 10 ~ 2 M 10 % Power ratings 0.5 W (70 C) 0 W (125 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 15 turns 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 ~ 125 C 10 , 20 : 250 10-6/C maximum 50 ~ 2 M : 100 10-6/C maximum 1000 M minimum (DC500 V) AC900 V, 60 s Approx. 0.88 g (CT-94EP) Approx. 0.92 g (CT-94EW, EX, EY, EZ) 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 { }Reference only ENVIRONMENTAL CHARACTERISTICS Test item Test conditions Specifications Thermal shock - 65 ~ 125 C (0.5 h), 5 cycles [R/R 1 %] [S.S. 1 %] Humidity -10 ~ 65 C (80 ~ 98 %), 10 cycles, 240 h [R/R 2 %] Shock 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 Low temp. operation - 55 C, 2 h High temp. exposure 125 C, 250 h Immersion seal 85 C, 60 s Flow soldering 260 3 C, 5 ~ 6 s, two times maximum Soldering heat Manual soldering [R/R 1 %] [S.S. 1 %] [R/R 3 %] [S.S. 1 %] [R/R 2 %] [S.S. 2 %] [R/R 3 %] [S.S. 2 %] No leaks (No continuous bubbles) [R/R 1 %] 380 10 C, 3 ~ 4 s 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 CT-94 CERMET TRIMMERS MAXIMUM INPUT RATINGS Nominal resistance values () A A A A Resistance code Maximum input voltage (V) Maximum wiper current (mA) 10 20 50 100 200 500 100 200 500 101 201 501 1.00 2.00 5.00 7.07 10.0 15.8 100 100 100 70.7 50.0 31.6 1k 2k 5k 10 k 20 k 25 k 50 k 102 202 502 103 203 253 503 22.4 31.6 50.0 70.7 100 112 158 22.4 15.8 10.0 7.07 5.00 4.48 3.16 100 k 200 k 250 k 500 k 1M 2M 104 204 254 504 105 205 224 300 300 300 300 300 2.24 1.50 1.20 0.60 0.30 0.15 The products indicated by A mark are manufactured upon receipt of order basis. OUTLINE DIMENSIONS CT-94EW Top adjustment Unless otherwise specified, tolerance: 0.3 (Unit: mm) 2.3, Slot 0.6 W x 0.8 D 9.6 1 CW rotation 3 2 2 9.6 1.4 3 5 min. 2.5 4.8 1.1 1.3 3 - 0.5 0.05 2.5 1 2.3 Resistace/Date code and Lead-free Identification mark CT-94EX Side adjustment 2.3, Slot 0.6 W x 0.8 D 1.4 1.3 3 - 0.5 0.05 2.5 2 1.1 9.6 3 4.8 9.6 5 min. 2.5 1 2.3 Resistace/Date code and Lead-free Identification mark 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 CT-94 CERMET TRIMMERS OUTLINE DIMENSIONS Unless otherwise specified, tolerance: 0.3 (Unit: mm) 1 2.3, Slot 0.6 W x 0.8 D 3 3 - 0.5 0.05 2 2 2.5 1.3 4.8 9.6 72 1 2.5 1.4 9.6 3 CW rotation 2.5 CT-94EP Side adjustment 1.1 Resistace/Date code and Lead-free Identification mark 2.3, Slot 0.6 W x 0.8 D 4.8 3 - 0.5 0.05 9.6 2 1 2.5 9.6 1.4 3 2.5 CT-94EY Top adjustment 1.1 1.3 72 1.1 2.5 Resistace/Date code and Lead-free Identification mark CT-94EZ Side adjustment 2.3, Slot 0.6 W x 0.8 D 1.4 3 - 0.5 0.05 2.5 1.3 1.1 9.6 3 2 2.5 1 Lead-free Identification mark 4.8 Resistace/ Date code 9.6 72 1.1 2.5 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 100 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.