TOCOS ® Open Frame Models Trimmer Selection Guide POTENTIOMETERS Specifications for Surface Mount Single-Turn Trimmers VG026 Series VG039N Series 2mm Surface Mount, Single-Turn, Cermet Trimmers Low Profile, 0.8mm in Height 3mm Surface Mount, Single-Turn, Cermet Trimmers Low Profile, 1.2mm in Height First in Industry: Resin Sealed Insulation Area on Mounting Surface to Eliminate Rerouting Traces Stable Performance in Adverse Ambient Conditions First in Industry: Resin Sealed Insulation Area on Mounting Surface to Eliminate Rerouting Traces Stable Performance in Adverse Ambient Conditions 8mm Embossed Tape for Automatic Insertion Recommended for Reflow Soldering 8mm Embossed Tape for Automatic Insertion Recommended for Reflow Soldering RoHS Compliant: Pb-Free and Cd-Free RoHS Compliant: Pb-Free and Cd-Free Nominal Size and Construction 2.2mm x 2.6mm x 0.8mm in height Open Frame, Surface Mount 3mm x 3.8mm x 1.2mm in height Open Frame, Surface Mount Series Model Examples Features Resistive Element Cermet Cermet Adjustment Travel Single-Turn: 24020 Single-Turn: 27020 Adjustment Type Top Adjust Flush Cross-Slot Top Adjust Flush Cross-Slot with Rotational Stops Terminal Style Surface Mount Triangular Footprint Surface Mount Triangular Footprint Resistance Range 100Ω to 1MΩ (1, 2, 3, 5 Sequence) 100Ω to 1MΩ (1, 2, 3, 5 Sequence) Resistance Tolerance 25% 25% Power Rating 0.1 W at 70C 0 W at 100C 0.15 W at 70C 0 W at 100C Maximum Working Voltage 50V 50V or √ PR = V, whichever is smaller Temperature Range 40C to 100C 40C to 100C Temperature Coefficient 250ppm /C 250ppm /C Operating Torque 0.49 – 7.84 mN•m (5 – 80 gf• cm) 0.98 – 11.76 mN•m (10 – 120 gf• cm) Standard Nominal Resistance Values with Ordering Codes Standard Nominal Resistances and Ordering Codes Resistance (Ω) Code Resistance (Ω) Code Resistance (Ω) Code Resistance (Ω) Code 100 101 1,000 102 10,000 103 100,000 104 200 201 2,000 202 20,000 203 200,000 204 300 301 3,000 302 30,000 303 300,000 304 500 501 5,000 502 50,000 503 500,000 504 — — — — — — 1,000,000 105 TOCOS AMERICA, INC. 2 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: [email protected] www.tocos.com TOCOS ® Open Frame Models Trimmer Selection Guide POTENTIOMETERS Dimensions for Surface Mount Single-Turn Trimmers VG026 Unit: mm 2mm Surface Mount, Cross-Slot, Single-Turn Recommended Land Pattern Resin Sealed 0.80.1 2.2 1.0 1.0 0.6 1.3 1.15 1.8 1.5 1.0 1 2.8 1.3 (0.6) 1.1 0.45 0.3t 0.45 0.7 1.3 0.7 1.9 1.9 Packaging Solder Pads 8mm Embossed Tape; 3,000 Pieces Per Ø180 mm Reel VG039N 3mm Surface Mount, Cross-Slot, Single-Turn Recommended Land Pattern Ø3.6 Wiper Rotating Area 3 1.5 1.2 2.1 1.6 0.95 1.2 2 1.2 3.8 0.7 (1.0) 0.5 1.75 1.5 Resin Sealed 0.75 0.8 0.65 1.2 0.8 1.2 2.7 Packaging Solder Pads 8mm Embossed Tape; 2,500 Pieces Per Ø180 mm Reel Part Numbering System for Surface Mount VG026 and VG039N VG 026 CH XT B 102 Resistance 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., 100 = 10Ω; 101 = 100Ω; 102 = 1,000Ω; 105 = 1,000,000Ω ). Resistance Taper: B = Linear. Packaging: XT = Tape; Blank = Bulk. Design Type: Surface Mount Chip. Size: 026 = 2mm; 039N = 3mm (See Dimensions). TOCOS Series: VG = Cermet. TOCOS AMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 3 E-mail: [email protected] www.tocos.com