resistors PCF ceramic resistors for anti pulse surge EU features • • • • • • KOA original bulk ceramic resistors Coated with UL94V0 flameproof material Excellent in anti-pulse characteristics Non-inductive resistors Marking: Light green body color with color-coded bands Products with lead-free terminations meet EU RoHS requirements • Higher reliability against disconnection compared to wirewound resistors and film resistors dimensions and construction Type C PCF1/2 Inner Electrode Resistive Body d PCF1 Coating Marking L ℓ PCF Type PCF 1 Power Rating 1/2: 0.5W 1: 1W 2: 2W .354±.039 (9.0±1.0) Dimensions inches (mm) C (max.) D d (nom.) .437 (11.1) .138±.02 (3.5±0.5) 0.65±.039 (16.5±1.0) .748 (19.0) .217±.039 (5.5±1.0) .748±.039 (19.0±1.0) .886 (22.5) .276±.039 (7.0±1.0) l .028 (0.7) 1.18±.118 (30.0±3.0) .031 (0.8) 1.50±.118 (38.0±3.0) D ℓ ordering information Part # PCF2 Lead Electrode Wire Cap L C Termination Material C: SnCu T631 Taping 1/2: T52 1: T631 2: T631 R Packaging R: Reel 103 Nominal Resistance 2 significant figures + 1 multiplier K Tolerance K: ±10% M: ±20% For further information on packaging, please refer to Appendix C. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 138 2/10/15 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com ceramic resistors for anti pulse surge applications and ratings Power Rating @ 70°C Part Designation PCF1/2 0.5W PCF1 1.0W PCF2 2.0W Resistance Minimum Absolute Absolute Absolute Range Dielectric Maximum Maximum Maximum Resistance T.C.R. Withstanding E-12 (±10%) Tolerance (ppm/°C) Working Overload Pulse E-6 (±20%) Voltage Voltage Voltage Voltage* -900±300: 4.7Ω - 100KΩ 200V 400V 10kV 500V R<100Ω K: ±10% 300V 600V 14kV 3.3Ω - 390KΩ M: ±20% -1300±300: 700V 400V 800V 20kV R≥100Ω Rated Ambient Temp. Operating Temp. Range +70°C -40°C to +200°C * Resistance to pulse: change shall be ±5% of the pre-test values. 1 sec. ON, 1 second OFF, 10,000 cycles. The voltage is applied with maximum pulse voltage. environmental applications Derating Curve 100 % Rated Power 80 60 For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the derating curve. 40 20 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 70 Ambient Temperature (°C) Performance Characteristics Parameter Resistance T.C.R Requirement ∆ R ±(% + 0.05Ω) Limit Typical Within regulated to tolerance — -900±300x10-6/K: R<100Ω -1300±300x10-6/K: R≥100Ω — Test Method Resistance 3.3Ω~8.2Ω 10Ω~82Ω 100Ω~390kΩ Measurement voltage 0.3V 1.0V 3.0V 25°C +25°C/-40°C, +25°C/+75°C and +25°C/+125°C Voltage Coefficient (Apply for over 1kΩ) 0~-0.2%/V — Rated voltage and rated voltage x 10% Overload 2% 0.4% Rated voltage x 2.5 or maximum overload voltage for 5s, whichever less Resistance to pulse 5% — The resistor mounted to the test circuit as below. 1 sec. ON and 1 sec. OFF. 10,000 cycles. The voltage is applied with maximum pulse voltage. 1 sec ON Protection resistor SW 1 sec OFF DC (Max. pulse voltage) C=1.000pF Rx (HPC: In insulation oil) Resistance to soldering heat 2% 0.8% 350°C±10°C, 3.5s±0.5s Rapid change of temperature 2% 0.4% -40°C(30min.)/+85°C(30min.), 5 cycles Moisture resistance 5% 0.6% 40°C±2°C, 90%~95%RH, 1000 hours, 1.5h ON/0, 5h OFF cycles Load life 5% 0.4% 70°C±3°C, 1000h, 1.5h ON/0, 5h OFF cycles Resistance to Solvent No abnormality in appearance. Marking shall be easily legible. — Dipping in IPA or Xylene for 3 minutes and leaving for 10 minutes after removing drops, then brushing 10 times. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 2/11/15 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 139 resistors PCF