FHR 2/4-8065 80110 80216 80320 80370 Precision Power Shunt Resistors • • • • • • Resistances from 0.001Ohm to 500Ohms Power Rating to 2500Watt Resistance Tolerances to ±0.1% TCR to ±15ppm/K Load Stability to 0.1% Very Low Inductance (<50nH) SPECIFICATIONS Type 8065 Resistance Range 80110 80216 0.001 to 400Ohms Power rating free air 25°C with heatsink Thermal Resistance Rthj-c 80320 80370 0.001 to 500Ohms 24 W 350 W 32 W 600 W 60 W 1200 W 80 W 2000 W 90 W 2500 W 0.16 K/W 0.09 K/W 0.04 K/W 0.026 K/W 0.022 K/W Tolerances (4 terminal version) from 0.001 Ohms from 0.01 Ohms from 0.02 Ohms 0.5% / 1% / 2% / 5% 0.25% / 0.5% / 1% / 2% / 5% 0.1% / 0.25% / 0.5% / 1% / 2% / 5% Tolerances (2 terminal version) 0.5% / 1% / 2% / 5% Stability 0.1% / 0.2% / 0.5% (depends on stress) Temperature Coefficient (4 terminal version) ±15ppm/K (20 to 60°C) from R ≤ 0.02 Ohms ±20ppm/K (20 to 60°C) from R ≤ 0.01 Ohms ±30ppm/K (20 to 60°C) Temperature Coefficient (2 terminal version) ±15ppm/K (20 to 60°C) ±50ppm/K (-40 to 130°C) R ≤ 0.2 Ohms TCR see table A next page Max. Current 60 A upon request special cable up to 250 A Inductivity < 50 nH Capacity against housing 500 pF Insulation Strenght 850 pF 1.7 nF 2.5 nF 2.9 nF 1.5 kVDV (higher upon request) Thermal EMF < 0.1µV/K Operating Temperature Range -40 to 130°C Resistor Material CuNiMn-Foil Substrate anodized aluminium Housing anodized aluminium Connector Material Cu-Cable / 4mm² / 500mm lenght (other upon request / AWG possible) Terminals 2 or 4 Ordering Information Part Number - Resistance - Contact - Tolerance FHR 4-80216 1.0 Ohms D 1% Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 22 rev. 03/2006A FHR 2/4-8065 80110 80216 80320 80370 Precision Power Shunt Resistors SPECIFICATIONS (continued) Temperature Coefficient 4000 2000 +15ppm/K 200 TCR - Shift (ppm/K) ∆R/R (ppm) table A 250 0 150 -15ppm/K -2000 Nominal ∆R/R -6000 -8000 100 Limit 2 (3σ) -4000 50 Limit 1 (3σ) -40 -20 0 20 40 60 80 100 120 0 140 Temperature (°C) Derating Power ( % from nominal power) 120 100 0.5% 80 0.2% 60 0.1% 75 85 100 115 130 Temperature of the backplate (°C) Dimensions 50 100 200 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 ) Dimension mm tol. (±mm) inches tol. (±inches) B 80.00 0.3 3.15 0.012 C 60.00 0.3 2.36 0.012 D Ø4.75 0.2 Ø0.19 0.008 E 15.00 0.2 0.59 0.008 F 67.00 0.3 2.64 0.012 G 2.00 0.1 0.08 0.004 Dimension 8065 mm 80110 mm 80216 mm 80320 mm 80370 mm tol. (±mm) 8065 inches 80110 inches 80216 inches 80320 inches 80370 inches tol. (±inches) A 65.00 110.00 216.00 320.00 370.00 0.3 2.56 4.33 8.50 12.60 14.57 0.012 L1 6.00 6.00 6.00 6.00 6.00 0.3 0.24 0.24 0.24 0.24 0.24 0.012 L2 59.00 104.00 108.00 108.50 125.50 0.3 2.32 4.09 4.25 4.27 4.94 0.012 210.00 211.50 244.50 0.3 8.27 8.33 9.63 0.012 314.00 364.00 0.3 12.36 14.33 0.012 L3 20 Power Rating Notes - Where: 0 L4 Riedon Inc. 10 RqH = TMAX - ( P x RqR ) - TA P 20 50 5 Resistance Value (mOhm) The FHR Series Resistors must be attached to a suitable heatsink. The maximum internal resistor temperature is 130°C. To specify an appropriate heatsink use the following formula : 40 25 2 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 23 rev. 03/2006A FHR 2/4-8065 80110 80216 80320 80370 Precision Power Shunt Resistors SPECIFICATIONS (continued) Stability against Impulses Reference values without heatsink Resistance value R001 to R002 Impuls Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 0 10 50 20 10 5 2 1 0, 5 0, 2 0, 1 05 0, 02 0, 01 0, 5 00 0, 2 00 0, 0, 00 1 100 Impulse Time (s) Resistance value R002 to R005 Impuls Energy 100000 80370 80320 80216 80110 8065 10000 1000 10 0 50 20 10 5 2 1 0, 5 0, 2 0, 1 0, 05 0, 02 0, 01 0, 00 5 0, 00 2 0, 00 1 100 Impulse Time (s) Resistance value R005 to R01 Impulse Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 10 0 50 20 10 5 2 1 5 0, 2 0, 1 0, 05 0, 02 0, 01 0, 5 00 0, 2 00 0, 0, 00 1 100 Impulse Time (s) Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 24 rev. 03/2006A FHR 2/4-8065 80110 80216 80320 80370 Precision Power Shunt Resistors SPECIFICATIONS (continued) Stability against Impulses Reference values without heatsink Resistance value R01 to R1 Impulse Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 0 10 50 20 10 5 2 1 0, 5 0, 2 0, 1 05 0, 02 0, 01 0, 5 00 0, 2 00 0, 0, 00 1 100 Impulse Time (s) Resistance value R1 to 1R Impulse Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 100 10 0 50 20 10 5 2 1 5 0, 2 0, 1 0, 0, 05 0, 02 0, 01 0, 00 5 0, 00 2 0, 00 1 10 Im pulse Tim e (s) Resistance value 1R to 10R Impulse Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 100 0 10 50 20 10 5 2 1 0, 5 0, 2 0, 1 5 0, 0 2 0, 0 1 0, 0 0, 00 5 0, 00 2 0, 00 1 10 Impulse Time (s) Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 25 rev. 03/2006A FHR 2/4-8065 80110 80216 80320 80370 Precision Power Shunt Resistors SPECIFICATIONS (continued) Stability against Impulses Reference values without heatsink Resistance value 10R to 100R Impulse Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 100 0 10 50 20 10 5 2 5 0, 1 2 0, 1 0, 0, 05 0, 02 0, 01 5 00 0, 2 00 0, 0, 00 1 10 Impulse Time (s) Resistance value 100R to 500R Impulse Energy (J) 100000 80370 80320 80216 80110 8065 10000 1000 100 0 10 50 20 10 5 2 1 0, 5 0, 2 0, 1 5 0, 0 2 0, 0 1 0, 0 00 5 0, 00 2 0, 0, 00 1 10 Impulse Time (s) Lead Variations Standard: optional: Riedon Inc. Lead D from to 60 A isolated round cable (Cu / tinned) Lead H1 Lead H2 Lead H3 Lead H4 Lead H5 Lead H6 from to 70 A from to 85 A from to 100 A from to 120 A from to 150 A from to 250 A isolated Cu - flat cable isolated Cu - flat cable isolated Cu - flat cable isolated Cu - flat cable isolated Cu - flat cable isolated Cu - flat cable 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 26 rev. 03/2006A