PFS35-43KF1

PFS35 Power SMD Film Resistors • • • • • • • • • • TO-263 Housing (D-Pak) Resistances from 0.01Ohm to 51kOhms Power Rating to 35Watt Resistance Tolerances to ±1% TCR to ±50ppm/°C Load Stability to 1% Low Ohm Values for Current Sense Applications Exceptional Pulse Performance Solder Reflow Secure at 260°C / 20s Isolated Back Plate SPECIFICATIONS Type PFS35 Terminals 2 Terminal Finish Tin Plated Copper Power Rating (with heatsink) 35 W ( 2W on Simple Solder Pad ) Thermal Resistance Rthj-c Resistance Range Tolerances (others upon request) Temperature Coefficient 3.3 K/W 0.01 to 0.099Ohms 0.1 to 9.9Ohms 10 to 51KOhms 5% 1% / 5% 1% ±250 ppm/°C ±100 ppm/°C ±50 ppm/°C Operating Temperature -55°C to 175°C Max Operating Voltage 500V Inductance 8.4 nH Voltage Proof 2.0kV DC Insulation Resistance Over 1,000 Megohm Resistor Material Thin Film Load Life ±1% 90 min ON, 30 min OFF, 1000 hrs @ 25C Humidity ±1% 90-95% RH, 0.1W, 1000 hrs @ 40C Temperature Cycle ±0.25% -55C for 30 min, +155C for 30 min, 5 cycles Solder Heat ±0.1% 350C ±5C for 3 seconds Vibration ±0.25% IEC60068-2-6 Flammability UL94V-0 Reflow soldering lead-free soldering 260°C / 20s (2 reflow cycles maximum) Moisture Sensitivity Level MSL-1 Mass 1.5g Ordering Information Part Description: Part Type - Resistance - Tolerance PFS35 10 Ohms 1% Riedon Inc. © Riedon, Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 www.riedon.com sales@riedon.com (626) 284-1704 Revised: 201908_004 PFS35 Power SMD Film Resistors Power Derating Power Rating Notes - % Power The PFS35 Series Resistors must be attached to a suitable heatsink. The maximum internal resistor temperature is 175°C. To specify an appropriate heatsink use the following formula : +25 °C 100 80 RHH = 60 40 20 +175 °C 0 -50 0 50 100 150 Flange Temperature (C) 200 TMAX - (P * RHR) - TA P Where: RqH = Thermal Resistance of Heatsink ( K/W ) RqR = Thermal Resistance of Resistor ( K/W ) TMAX = Maximum Temperature of Resistor TA = Ambient Temperature of Heatsink ( °C ) P = Power Through Resistor ( W ) DIMENSIONS Back plate is isolated from both pins. Dimension mm tol. (±mm) inches tol. (±inches) A 10.3 0.2 0.405 0.008 B 10.1 0.2 0.400 0.008 C 15.3 1.2 0.602 0.047 D 5.08 0.1 0.200 0.004 E 1.5 0.05 0.060 0.002 F 0.75 0.05 0.030 0.002 G 2.2 0.2 0.087 0.008 H 4.5 0.2 0.177 0.008 J 0.5 0.05 0.020 0.002 K 2.5 0.5 0.10 0.02 L 5.0 1.0 0.20 0.04 Riedon Inc. © Riedon, Inc. Pulse peak power (W) 100k 10k 1k 400W 100 35W 10 10n 100n 1u 10u 100u 1m 10m 100m Pulse width (seconds) 1 10 100 Tenative continuous-pulse allowance at duty 0.01. Load life test will be necessary in actual equipment, because curve may be changed by resistance, repetition, duty and perating temperature. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 www.riedon.com sales@riedon.com (626) 284-1704 Revised: 201908_004