Effective Date April 5 TOCOS POTENTIOMETERS 4mm Surface Mount, Single-Turn, Sealed Cermet Trimmers RoHS Compliant IMPROVED DESIGN Pb-Free and Cd-Free Features 4mm 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, side or bottom cross-slot adjustment High setting accuracy, zero backlash Tape and reel packaging Specifications Electrical Standard Resistance Range.............. Ω to 2MΩ (standard 1, 2 & 5 sequence) Resistance Tolerance................. % 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....... 0.25 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 VDC Dielectric Strength.................. VAC, 1 minute Adjustment Travel......................... 2 Mechanical Mechanical Travel......................... 240 Shaft Torque............... 1 gf cm (2.08 oz in) max. Stop Strength.............. 300 gf cm (4.16 oz in) min. Flammability of Plastic Materials....... Meets UL 94V-0 Nominal Weight..................... 0.14g (A, B, D, E) 0.16g (BF); 0.24g (SA) Marking................... Resistance code, date code For through-hole models of the G43 series, refer to the G43C Series. Environmental Temperature Range................. 55 C to 125 C Low Temperature Exposure.......... 55 C, 0.25 watt, 45 minutes T/R ) 2%, S.S. ) 2% High Temperature Exposure......... 125 C, 2 hours T/R ) 2%, S.S. ) 2% Load Life................ 70 C, 0.25 watt, 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................ -Hz, 1.5mm amplitude, G, 12 hours T/R ) 1%, S.S. ) 1% Humidity........................ 40 C, 90-95%RH, 0.25 watt, hours T/R ) 3%, S.S. ) 2% Moisture Resistance...... C to 65 C, 80-98%RH, 0.25 watt, cycles, 240 hours T/R ) 3% Soldering Heat Resistance.......... 260 C, 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) 1/8
All A, B, D & E Models Position of Rotor Inside Standard and Reverse Markings Standard Markings Outside Positions Reverse Markings Outside Positions Effective Date April 5 Position of the rotor inside is the same for both types of markings. G43A & G43B G43D & G43E The D and E models are the same construction as the A and B models. The only difference is the reversed outside markings. Dimensions G43A J-Hook, Top Adjust All G43 models: Cross-Slot accepts both Philips and single blade adjustment tools. 5.0 0.6 (0.35) 2.7 2.3, 0 (0.35) G43D Reverse Markings, J-Hook, Top Adjust 5.0 0.6 (0.35) 2.7 2.3, 0 (0.35) G43SA J-Hook, Side Adjust 5.0 3.4, 2.45 5.5 3.0 (0.8) (1.5) (1.1) (1.85) (1.95) (2) 0.6 (0.55) 3.18 (0.05) (0.22) 0.8 0.77, 2/8
Dimensions Effective Date April 5 G43B Gull-Wing, Top Adjust 5.0 0.6 (1.0) 4.3 6.5 2.3, 0 (1.0) G43E Reverse Markings, Gull-Wing, Top Adjust 5.0 0.6 (1.0) 4.3 6.5 2.3, 0 (1.0) G43BF Gull-Wing, Bottom Adjust 5.0 (0.6) (1.1) 6.7 0.5 2-(0.5) (2) (1.1) 3.1 0.5 0.2, 0 Cross-Slot Dimensions Electrical Schematic All G43 Models clockwise 0.55 Ø 1.9 ccw cw Ø 2.3 0.55 0.72 0.55 wiper Cross-Slot accepts both Philips and single blade adjustment tools. 3/8
Recommended Land Patterns Soldering Dimensions Guidelines Effective Date April 5 Flow or Reflow Soldering Methods G43A, G43D G43B, G43E G43BF 2.0 2.0 1.6 1.9 1.4 2.2 2.1 2.6 6.8 8.0 8.0 2.2 2.1 Ø 2.8 2.6 1.9 1.4 1.5 1.0 1.5 4.0 1.5 1.0 1.5 4.0 1.1 3.5 Flow Soldering Method G43SA Reflow Soldering Method G43SA 2.0 1.4 0.35 2.65 6.0 0.35 2.25 0.65 2.35 0.65 1.95 1.5 1.0 1.5 4.0 1.3 3.7 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.) 4/8
Tape & Reel Specifications Effective Date April 5 Embossed Tape Dimensions Conforms to EIA-481, JIS-C-0806 and EIAJ-RC-9B G43AT, G43DT, G43BT, G43ET 8.0 2.0 0.05 4.0 Ø1.5, 0 1.75 0.3 0.05 05 05 5.5 0.05 12.0 0.2 7.2 4.9 3.75 5.4 Ø1.6 Direction of Feed 3.1 3.3 G43SAT1 8.0 2.0 0.05 4.0 Ø1.5, 0 1.75 0.4 0.05 5.5 0.05 12.0 0.2 7.0 Ø1.6 3.6 05 6.1 6.3 Direction of Feed Reel Dimensions Conforms to EIA-481, JIS-C-0806 and EIAJ-RC-9B G43AT, G43DT, G43BT, G43ET G43SAT1 13.5 0.5 13.0 Ø21.0 0.8 2.0 0.5 Ø13.0 0.5 Ø21.0 0.8 2.0 0.5 Ø13.0 0.5 Ø60.0 1.0, 0 Ø80.0 1.0 Ø178.0 2.0 15.4 1.0 Pieces Per 7 Reel Ø254.0 1.0 17.5 1.0 7 Pieces Per Reel 5/8
G43 A T B 2 M Part Numbering System Effective Date April 5 Resistance Tolerance: M = % standard. 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., = Ω; 1 = Ω; 2 = Ω; 5 =,000Ω). Resistance Taper: B = Linear. Packaging: T (T1 for SA) = Tape & Reel; Blank = Bulk. Terminal Style: A, D, SA = J-Hook; B, BF, E = Gull-Wing. TOCOS Series Name. Part Numbers Value (Ω) Nominal Resistance Code Resistance Tolerance % Tape & Reel Bulk Potentiometer Styles G43A J-Hook, Top Adjust,000,000,000,000,000,000 1 1 1 2 2 2 3 3 3 4 4 4 G43ATBM G43AT B M G43AT B M G43AT B 1 M G43AT B 1 M G43AT B 1 M G43ATB2M G43AT B 2 M G43AT B 2 M G43ATB3M G43AT B 3 M G43AT B 3 M G43ATB4M G43AT B 4 M G43AT B 4 M G43A B M G43A B M G43A B M G43A B 1 M G43A B 1 M G43A B 1 M G43A B 2 M G43A B 2 M G43A B 2 M G43A B 3 M G43A B 3 M G43A B 3 M G43A B 4 M G43A B 4 M G43A B 4 M 5 G43ATB5M G43A B 5 M 5 G43AT B 5 M G43A B 5 M G43A G43D Reverse Markings, J-Hook, Top Adjust,000,000,000,000,000,000 1 1 1 2 2 2 3 3 3 4 4 4 5 5 G43DT B M G43DT B M G43DT B M G43DT B 1 M G43DT B 1 M G43DT B 1 M G43DT B 2 M G43DT B 2 M G43DT B 2 M G43DT B 3 M G43DT B 3 M G43DT B 3 M G43DT B 4 M G43DT B 4 M G43DT B 4 M G43DT B 5 M G43DT B 5 M G43D B M G43D B M G43D B M G43D B 1 M G43D B 1 M G43D B 1 M G43D B 2 M G43D B 2 M G43D B 2 M G43D B 3 M G43D B 3 M G43D B 3 M G43D B 4 M G43D B 4 M G43D B 4 M G43D B 5 M G43D B 5 M G43D 6/8
Nominal Resistance Value (Ω) Code Part Numbers Resistance Tolerance % Tape & Reel Bulk Effective Date April 5 Potentiometer Styles G43B Gull-Wing, Top Adjust,000,000,000,000,000,000 1 1 1 2 2 2 3 3 3 4 4 4 G43BT B M G43BT B M G43BT B M G43BT B 1 M G43BT B 1 M G43BT B 1 M G43BT B 2 M G43BT B 2 M G43BT B 2 M G43BT B 3 M G43BT B 3 M G43BT B 3 M G43BT B 4 M G43BT B 4 M G43BT B 4 M G43B B M G43B B M G43B B M G43B B 1 M G43B B 1 M G43B B 1 M G43B B 2 M G43B B 2 M G43B B 2 M G43B B 3 M G43B B 3 M G43B B 3 M G43B B 4 M G43B B 4 M G43B B 4 M 5 G43BT B 5 M G43B B 5 M 5 G43BT B 5 M G43B B 5 M G43B G43E Reverse Markings, Gull-Wing, Top Adjust,000,000,000,000,000,000 1 1 1 2 2 2 3 3 3 4 4 4 G43ET B M G43ET B M G43ET B M G43ET B 1 M G43ET B 1 M G43ET B 1 M G43ET B 2 M G43ET B 2 M G43ET B 2 M G43ET B 3 M G43ET B 3 M G43ET B 3 M G43ET B 4 M G43ET B 4 M G43ET B 4 M G43E B M G43E B M G43E B M G43E B 1 M G43E B 1 M G43E B 1 M G43E B 2 M G43E B 2 M G43E B 2 M G43E B 3 M G43E B 3 M G43E B 3 M G43E B 4 M G43E B 4 M G43E B 4 M 5 G43ET B 5 M G43E B 5 M 5 G43ET B 5 M G43E B 5 M G43E G43SA J-Hook, Side Adjust,000,000,000,000,000,000 1 1 1 2 2 2 3 3 3 4 4 4 G43SAT1 B M G43SAT1 B M G43SAT1 B M G43SAT1 B 1 M G43SAT1 B 1 M G43SAT1 B 1 M G43SAT1 B 2 M G43SAT1 B 2 M G43SAT1 B 2 M G43SAT1 B 3 M G43SAT1 B 3 M G43SAT1 B 3 M G43SAT1 B 4 M G43SAT1 B 4 M G43SAT1 B 4 M G43SA B M G43SA B M G43SA B M G43SA B 1 M G43SA B 1 M G43SA B 1 M G43SA B 2 M G43SA B 2 M G43SA B 2 M G43SA B 3 M G43SA B 3 M G43SA B 3 M G43SA B 4 M G43SA B 4 M G43SA B 4 M 5 G43SAT1 B 5 M G43SA B 5 M 5 G43SAT1 B 5 M G43SA B 5 M G43SA 7/8
Nominal Resistance Value (Ω) Code Part Numbers Resistance Tolerance % Tape & Reel Bulk Effective Date April 5 Potentiometer Styles G43BF Gull-Wing, Bottom Adjust,000,000,000,000,000,000 1 1 1 2 2 2 3 3 3 4 4 4 5 5 G43BF B M G43BF B M G43BF B M G43BF B 1 M G43BF B 1 M G43BF B 1 M G43BF B 2 M G43BF B 2 M G43BF B 2 M G43BF B 3 M G43BF B 3 M G43BF B 3 M G43BF B 4 M G43BF B 4 M G43BF B 4 M G43BF B 5 M G43BF B 5 M G43BF Packaging Standard: Tape & Reel Packaging Bulk Packaging G43AT, G43DT, G43BT, G43ET All G43 Models pieces per 7 reel. pieces per vinyl bag. G43SAT1 7 pieces per reel. pieces per box. Cleaning Guidelines For cleaning and other information, refer to Guidelines and Precautions for Using Potentiometers. 8/8