FPR 2-T218 • • • • • • Extremly Low-Ohm High Stability Low Temperature Coefficient Low Electrical Noise Low Inductance TO-Standard-Housing SPECIFICATIONS ELECTRICAL FPR2-T218 Resistance Range : R002...50R Serie E12 Power Rating : 2 W (70°C) 30 W with heatsink Thermal Resistance Rthj-c : 2.5 K/W Tolerances from R002 from R010 from R020 from 1R0 : : : : : 1%, 2%, 5% 0.5%, 1%, 2%, 5% 0.25%, 0.5%, 1%, 2%, 5% 0.1%, 0.25%, 0.5%, 1%, 2%, 5% Stability : 0.1%, 0.2%, 0.5% (depends on stress) Temperature Coefficient : R > 0R2 ±15 ppm/K (20...60)°C R ≤ 0R2 TCR see table next page Voltage Proof : 300 VDC Thermal EMF : < 1 µV/K ENVIRONMENTAL Operating Temperature Range : MECHANICAL Resistor Material Substrate Housing Connector Material Max. torque backplate : : : : : -40°C...130°C Metalfoil CuNiMn (DIN 17471) anodized aluminium PPS Cu tinned, 2-pin 1 Nm Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk FPR 2-T218 TEMPERATURE COEFFICIENT 250 2000 + 15 ppm/K 1000 200 TCR - Shift (ppm/K) dR/R (ppm ) 0 -1000 - 15 ppm/K -2000 -3000 Limit 2 (3σ) -4000 -5000 150 100 50 Nom inal dR/R -6000 Limit 1 (3σ) 120 140 Resistance Value (mOhm) Tem perature (°C) DERATING CURVE Power ( % from nominal power) 120 100 0,5% 80 0,2% % 0,1% 60 40 20 0 DIMENSIONS 25 50 85 100 115 130 Tem perature of the backplate (°C) measuring point measuring point lead A lead B Standardlead for T-218 : Lead B Dimensions in mm HOW TO ORDER FPR 2-T218 10R B 0.25% FPR 2-T218 R068 B 0.5% 200 100 100 80 60 50 40 20 20 10 0 5 -20 0 2 -7000 -40 FPR 2-T218 10R0 B 1.0% FPR 2-T218 R068 A 0.5% Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk