TOCOS POTENTIOMETERS 3mm Surface Mount, Single-Turn, Sealed Cermet Trimmers RoHS Compliant IMPROVED DESIGN Pb-Free and Cd-Free Features 3mm square SMD, single-turn, sealed cermet trimmers Available in J-hook and gull-wing terminal configurations Meets EIA, EIAJ, IPC, VECI standard SMD trimmer designs Pb-free and Cd-free construction RoHS compliant Gold-plated leads provide high conductivity, low contact resistance, high corrosion resistance and good solderability Top cross-slot adjustment (top single-slot models available as special order) Tape and reel packaging Specifications Electrical Standard Resistance Range.............. Ω to 2MΩ (standard 1, 2 & 5 sequence) Resistance Tolerance................. 20% standard End Resistance.......... 1% or 3Ω, whichever is greater Resistance Taper......................... B = Linear Peak Noise (C.R.V.)....... 2% or 3Ω, whichever is greater Power Rating...... 0.125 watt at 70 C; 0 watt at 125 C Maximum Input Voltage........ VDC or power rating, whichever is smaller Temperature Coefficient.... ppm/ C, Ω to 1MΩ 2ppm/ C, other values Insulation Resistance....... MΩ minimum at 0VDC Dielectric Strength.................. 0VAC, 1 minute Adjustment Travel......................... 220 10 Mechanical Mechanical Travel......................... 2 10 Shaft Torque............... gf cm (0.69 oz in) max. Stop Strength.............. gf cm (2.77 oz in) min. Flammability of Plastic Materials....... Meets UL 94V-0 Nominal Weight............................. 0.068g Marking............ Resistance value or code, date code Environmental Temperature Range................. 55 C to 125 C Low Temperature Operation... 55 C, 0.125 watt, 1 hour T/R ) 2%, S.S. ) 2% High Temperature Exposure......... 125 C, 2 hours T/R ) 2%, S.S. ) 2% Load Life............... 70 C, 0.125 watt, 1,000 hours T/R ) 3%, S.S. ) 2% Thermal Shock...................... 55 C, 125 C, 30 minutes each, 5 cycles T/R ) 2%, S.S. ) 1% Shock.............G, 6ms, 6 directions, 3 times each T/R ) 1%, S.S. ) 1% Vibration................ 10-2,000Hz, 1.5mm amplitude, 20G, 12 hours T/R ) 1%, S.S. ) 1% Humidity........................ 40 C, 90-95%RH, 0.125 watt, 0 hours T/R ) 3%, S.S. ) 2% Moisture Resistance...... 10 C to 65 C, 80-98%RH, 0.125 watt, 10 cycles, 240 hours T/R ) 3% Soldering Heat Resistance.......... 240 C, 10 seconds T/R ) 1% Seal Test................. 85 C, hot water for 1 minute Rotational Life.... cycles without discontinuity, no load T/R ) 5% T/R = Total Resistance Change; S.S. = Setting Stability (voltage ratio) 1/5 11
Dimensions J-Hook, Cross-Slot, Top Adjust 1 3.4 0 (t=0.15) 0.7 5 3.5 3 52 1.95, 0 5 2.0 (2) 0.8 5 Gull-Wing, Cross-Slot, Top Adjust 3.4 (t=0.15) 0.7 () 5 1 0 3.5 4.4 3 52 1.95, 0 (2) 0.8 5 5 2.0 Cross-Slot Dimensions Electrical Schematic All G32 Models 1.5 0.6 clockwise ccw cw 1.31 0.1 0.5 wiper Cross-Slot accepts both Philips and single blade adjustment tools. 2/5
Recommended Land Patterns Flow Soldering Method Soldering Guidelines 1.8 1.8 2.3 R 1.4 2.1 5.7 R 1.4 6.6 2.3 0.8 0.8 Reflow Soldering Method 1.5 0.9 4.6 0.9 6.0 0.8 1.9 0.8 Recommended Soldering Profiles Flow Soldering Profile Reflow Soldering Profile 2 TP 260 C Max. Peak Temp. TM 230 C Solder Melting Temp. 2 TP 260 C Max. Peak Temp. TM 230 C Solder Melting Temp. Temperature ( C) 1 (180 C) (140 C) ts.* 5 sec. Solder Melting Time Temperature ( C) 1 (190 C) (170 C) Pre-Heat Zone 2 min. ts.*40 sec. Solder Melting Time 1 2 3 4 Time (min.) 1 2 3 4 Time (min.) 3/5
Tape & Reel Specifications Embossed Tape Dimensions Conforms to EIA-481, JIS-C-0806 and EIAJ-RC-9B T, T 8.0 2.0 0.05 4.0 Ø1.5, 0 1.75 0.3 0.05 5.5 0.05 12.0 0.2 5.2 3.65 4.9 Direction of Feed Ø 2.6 3.9 1.3 3.6 Reel Dimensions Conforms to EIA-481, JIS-C-0806 and EIAJ-RC-9B T, T 13.0 Ø2 0.8 2.0 0.5 Ø13.0 0.5 Ø60.0, 0 Ø178.0 2.0 15.4 0 Pieces Per 7 Reel 4/5
G32 A T B 105 M Part Numbering System Resistance Tolerance: M = 20% 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., = 10Ω; 101 = Ω; 102 = 1,000Ω; 105 = 1,000,000Ω). Resistance Taper: B = Linear. Packaging: T = Tape & Reel; Blank = Bulk. Terminal Style: A = J-Hook; B = Gull-Wing. TOCOS Series Name. Part Numbers Value (Ω) Nominal Resistance Code Resistance Tolerance 20% Catalog No. Tape & Reel Catalog No. Bulk Potentiometer Styles J-Hook, Cross-Slot, Top Adjust 0 1,000 2,000 5,000 10,000 20,000,000,000,000 0,000 1,000,000 2,000,000 0 101 201 1 102 202 2 103 203 3 104 204 4 105 205 T B 0 M T B 101 M T B 201 M T B 1 M TB102M T B 202 M T B 2 M TB103M T B 203 M T B 3 M TB104M T B 204 M T B 4 M TB105M T B 205 M B 0 M B 101 M B 201 M B 1 M B 102 M B 202 M B 2 M B 103 M B 203 M B 3 M B 104 M B 204 M B 4 M B 105 M B 205 M Gull-Wing, Cross-Slot, Top Adjust 0 1,000 2,000 5,000 10,000 20,000,000,000,000 0,000 1,000,000 2,000,000 0 101 201 1 102 202 2 103 203 3 104 204 4 T B 0 M T B 101 M T B 201 M T B 1 M TB102M T B 202 M T B 2 M TB103M T B 203 M T B 3 M TB104M T B 204 M T B 4 M B 0 M B 101 M B 201 M B 1 M B 102 M B 202 M B 2 M B 103 M B 203 M B 3 M B 104 M B 204 M B 4 M 105 TB105M B 105 M 205 T B 205 M B 205 M Packaging Standard: Tape & Reel Packaging Bulk Packaging 0 pieces per 7 reel. pieces per vinyl bag. 1,000 pieces per box. Cleaning Guidelines For cleaning and other information, refer to Guidelines and Precautions for Using Potentiometers. 5/5