1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 136 PMS 300 neg. Black neg. KVSF resistors trimmer potentiometers EU features • Products with lead-free terminations meet EU RoHS and China RoHS requirements dimensions and construction SF6 Side Adjust Type Dimensions mm RESISTANCE 639A Carbon Film, Standard 6.4±0.5 SF6 Top Adjust Type Dimensions mm RESISTANCE 637A Carbon Film, Standard 7.5±0.5 3.5±0.5 3.0±0.5 3.5 (0.3) 2.5±0.5 6.5 (4.2) (0.8) 5.0+0.8 -0.2 RESISTANCE (1.95) (0.3) (0.4) 2.6 2.5 2.5 2.5 5.7±0.5 6.2 3.1 3.1 (2.2) (1.1) 7.4±0.5 (4.0) 3.0 (0.3) 7.6±0.5 (0.8) (3.8) (3.3) (4.5) 7.8 639T Carbon Film, Radial Taping Type RESISTANCE (1.1) (3.2) (1.1) 5.0±0.5 (0.3) 5.0±0.5 6.4±0.5 637T Carbon Film, Radial Taping (4.5) (3.3) 7.8±0.5 0.3 (0.6) (2.5)(2.5) 0.3 (0.6) 5.0±0.5 5.2±0.5 (0.8) (9.2) 7.3±0.5 (4.0) (1.1) (0.8) 5.0+0.8 -0.2 0.3 Printed Board Framework (Ref.) Dimensions mm øD A Type 637A 637T 639A 639T B 2- ø C A 5.0 3.0 2.5 2.5 B 5.0 5.0 5.0 5.0 C 1.2 1.0 1.0 1.0 D 1.2 1.3 1.0 1.3 ordering information New Part # KVSF 637A Product Code Type SF6: 637A, 639A, 637T, 639T C 103 Termination Material C: SnCu Nominal Resistance 2 significant figures + 1 multiplier Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 138 12/30/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 137 trimmer potentiometers applications and ratings Part Designation Power Rating @ 70°C Resistance Range E-6 & 1,2,3,5x10n Resistance Tolerance Maximum Working Voltage Rated Ambient Temperature Operating Temperature Range 637A, 639A, 637T, 639T 0.1W 200Ω - 1MΩ ±30% 50V +50°C -10°C to +70°C environmental applications Derating Curve 100 637A, 639A, 637T, 639T, % Rated Power 80 60 40 33 20 0 -40 -20 0 -10 20 40 60 80 100 50 85 Ambient Temperature (°C) Performance Characteristics Parameter Requirement ∆ R Limit Typical Test Method Resistance to Solder Heat 3 2 Rapid Change of Temperature 5 4.5 -10°C / +25°C / +70°C (30 minutes), 5 cycles Moisture Resistance 20 12 40°C ± 2°C, 90 - 95% RH, 350 hours, 1.5 hr ON, 0.5 hr OFF cycle Endurance at 70°C +5, -20 -12 70°C ± 2°C, 240 hours, 1.5 hr ON, 0.5 hr OFF cycle High Temperature Exposure +5, -20 -13 70°C ± 3°C, 240 hours 15 11 20 turns Rotational Life 260°C ± 5°C, 5 seconds +1 second Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/30/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 139 resistors KVSF