SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) ST-2 INTERNAL STRUCTURE RoHS compliant 8 2 3 6 4 7 1 1 9 5 0 Part name Material FEATURES Housing Epoxy RoHS compliant Polyphenylenesulphide Rotor Compact and low-profile 2 mm single turn type Wiper Stainless steel (SUS 304) Sealed constructio Resin materials are UL Recognized 94V-0 or 94V-1 equivalent Terminal 2 Copper alloy, Sn-Cu-plated Terminal 1, 3 Cover Stainless steel (SUS 304) substrate Ceramic Pin Blass, Sn-plated O ring Silicone rubber Terminations Ag-Pd cermet Resistive element RuO2 cermet PART NUMBER DESIGNATION S T - 2 T A 1 0 0 ( 1 0 1 ) Series name Resistance code Form of packaging Resistance value TTaping (Reel) BlankBulk in plastic bag Product shape (Shape of terminal) AJ-hook (Top adjustment) Please refer to the LIST OF PART NUMBERS when placing orders.ST-2 SURFACE MOUNT TRIMMERS LIST OF PART NUMBERS Nominal resistance values 100 200 500 1 k 2 k 5 k 10 k Form of packaging Adjustment Shape of 20 k 50 k 100 k 200 k 500 k 1 M position terminal Taping (reel) Plastic bag Fig.1 Top adjustment J-hook ST-2TA ST-2A A ( ) The part numbers on the left are all available with the respective combination of <Nominal resistance values> (Fig. 1). Pieces in package 500 pcs./reel 100 pcs./pack Verify the above part numbers when placing orders. Taping version is not sold separately and must be purchased in reel units. ELECTRICAL CHARACTERISTICS MECHANICAL CHARACTERISTICS Nominal resistance range Mechanical angle 270 (1 turn) 100 ~ 1 M Resistance tolerance 20 % Operating torque 5 mNm 51 gfcm maximum Power ratings 0.1 W (70 C) 0 W (125 C) Stop strength 8 mNm 78.4 gfcm minimum Resistance law Linear law Rotational life 50 cycles R/R (2 + 5 %) Maximum input voltage DC50 V or power rating, whichever is smaller Thrust to rotor 3 N 0.31 kgf minimum I = P/R A Maximum wiper current Solderability 245 3 C, 2 ~ 3 s Within power ratings Effective electrical angle 240 (1 turn) Shear (Adhesion) 5 N 0.51 kgf 10 s End resistance 1 % or 2 , whichever is greater Substrate bending Width 90 mm, bend 3 mm, 5 s, 1 time C.R.V. 2 % or 3 , whichever is greater Pull-off strength 5 N 0.51 kgf 10 s Operating temp. range 55 ~ 125 C Reference only -6 Temp. coefficient 150 10 /C Insulation resistance 1000 M minimum (DC500 V) Dielectric strength AC500 V, 60 s Net weight Approx. 0.032 g