RF SOLUTIONS - WILLOW TECHNOLOGIES LTD Lead Free FLANGED POWER RESISTORS RFRF Features and Applications RF and microwave resistors of 50 to 800ohm have flange cooling, also applicable for terminations in strip-line circuits. Long life and temperature stability are a result of Ni-Cr thin film and super heat conductive ceramic substrates. Industrial RF power sources, RF amplifiers, radio transmitters, fixed transmitter of mobile systems, and measurements. Dimensions (mm) G(2.9) J G(2.9) J G(3.2) J G(3.2) J B(5.1) B(5.7) B(6.35) H C K H C K F E D A(7.1) K H C E D A(13.08) RFRF40 J J H C F D A(20.3) RFRF120 RFRF100 J G(3.2) B(6.35) K H C F D A(20.3) RFRF50 G(3.2) K F D A(20.3) F RFRF10 B(5.7) G(3.2) B(9.53) K H C B(9.53) K F D A(24.8) H C F D A(24.8) RFRF150 RFRF250 All lead length: 6.35mm and lead thickness: 0.1mm. Willow Technologies Ltd. Shawlands Court Newchapel Road Lingfield Surrey RH7 6BL ENGLAND Tel. +44 (0) 1342 835234 Fax. +44 (0) 1342 834306 Web. www.willow.co.uk E-mail. [email protected] RF SOLUTIONS - WILLOW TECHNOLOGIES LTD Lead Free FLANGED POWER RESISTORS RFRF Dimensions (mm) Type RFRF10 RFRF40* RFRF50 RFRF100 RFRF120* RFRF150* RFRF250 A 7.6 13.0 20.3 20.3 20.3 20.3 25.0 B 5.10 6.35 5.70 5.70 6.35 5.70 9.53 C 3.1 3.1 3.1 3.1 3.1 3.1 4.6 D 5.0 9.9 14.2 14.2 14.2 14.2 18.42 E 3.0 - F 3.0 6.8 8.5 6.3 8.9 8.5 9.6 G 2.9 2.9 3.2 3.2 3.2 3.2 3.2 H 1.5 1.5 1.5 1.5 1.5 1.5 3.0 J 0.8 0.8 1.5 1.5 0.8 1.5 3.0 K 2.2 2.2 2.6 2.6 2.2 2.6 4.1 Ordering Information P/N RFRF10C50ohmF000 RFRF40C100ohmF000 RFRF50C50ohmF000 RFRF100C100ohmF000 RFRF120C100ohmF000 RFRF150C50ohmF000 RFRF250C100ohmF000 Type RFRF RFRF RFRF RFRF RFRF RFRF RFRF Rating Power 10W 40W 50W 100W 120W 150W 250W TCR C (50ppm/K) C (50ppm/K) C (50ppm/K) C (50ppm/K) C (50ppm/K) C (50ppm/K) C (50ppm/K) Resistance 50 ohm 100 ohm 50 ohm 100 ohm 100 ohm 50 ohm 100 ohm Tolerance F (+/-1%) F (+/-1%) F (+/-1%) F (+/-1%) F (+/-1%) F (+/-1%) F (+/-1%) Package 000(Tray) 000(Tray) 000(Tray) 000(Tray) 000(Tray) 000(Tray) 000(Tray) Specifications and Performances Type, Note(2) Rating Power Return Loss Capacitance Rating Temp. Max. Voltage Resistance TC Tolerance Frequency Short Time OL Operating Temp. Storage Temp. RFRF10 10W <1.1 <0.8pF RFRF40 40W <1.2 <0.8pF RFRF50 50W <1.2 <1.0pF RFRF100 RFRF120 RFRF150 100W 120W 150W <1.2 <1.2 <1.2 <1.0pF <1.0pF <1.0pF 25C E = P ⋅ R , where P is rating power, R is resistance 50ohm, 100ohm, 150ohm, 200ohm +/-50ppm/K(C) +/-1% (F) standard, +/-2% and +/-5% are available. DC to 3GHz 5 times rating power within 5 seconds -55C to +155C -55C to +155C RFRF250 250W <1.2 <1.0pF Note(1) Other resistance will be available, please call factory. Note(2) Old flange RF resistor, RFC series will be discontinued. Derating Curve Installation % Rating Power 100 80 60 40 20 155 0 -50 –25 0 25 50 75 100 125 150 175 200 Flange Temperature (℃) Willow Technologies Ltd. Shawlands Court Newchapel Road Lingfield Surrey RH7 6BL ENGLAND Tel. +44 (0) 1342 835234 Fax. +44 (0) 1342 834306 Web. www.willow.co.uk E-mail. [email protected] RF SOLUTIONS - WILLOW TECHNOLOGIES LTD Lead Free FLANGED POWER RESISTORS RFRF Thermal and Rf Characteristics (Typical) Temperature Rise, RFRF50C100ohmF S11 Characteristics, RFRF150C100ohmF Temperature Rise (C) 100 75 Resistive Film Surface Temp. 50 Flange Temp. 25 0 0 10 20 30 40 50 Applied Power (W) 60 70 Temperature Rise, RFRF150C100ohmF S21 Characteristics, RFRF150C100ohmF Temperature Rise (C) 200 150 Resistive Film Surface Temp. 100 50 Flange Temp. 0 0 25 50 75 100 125 Applied Power (W) 150 Temperature Rise, RFRF250C100ohmF 175 S22 Characteristics, RFRF150C100ohmF Temperature Rise (C) 200 Resistive Film Surface Temp. 150 100 Flange Temp. 50 0 0 50 100 150 200 250 Applied Power (W) 300 20050212 Willow Technologies Ltd. Shawlands Court Newchapel Road Lingfield Surrey RH7 6BL ENGLAND Tel. +44 (0) 1342 835234 Fax. +44 (0) 1342 834306 Web. www.willow.co.uk E-mail. [email protected]