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Aviation History
1954
1954 - 0099.PDF
8 JANUARY 1954 FLIGHT 21 PAINTON *U IT J&y J¥ffiom£mcnt tb tA# ^Mo/ed^^nal Onameete 300 200 100 ( OPERATING TEMPERATURE/WATTAGE 3 0 111 a \ a. Id Z U S o CO i i i m - i i t \- \,.\i, m r w <$ J w <F AMBIENT TEM 1 1 | 1 WATTS JBISSiPATED '.•'..j.. • " & P_3£ 11 2 3 4 5 6 7 8' A MIDGET WIREWOUND VITREOUS RESISTORS MINIATURE EQUIPMENTS DEMAND MIDGET RESISTORS Dimensionally Painton MIDGET resistors offer the MAXIMUM WATTAGE DISSIPATION MAXIMUM OHMIC RANGE MAXIMUM SAFETY FACTOR In the Heavy Duty MIDGET Range, the extremely high wattage dissipation is achieved by : (a) the use of a sintered alumina ceramic former, with thermal conductivity approximating steel (Patent 626128), in conjunction with a Painton glaze developed to match the thermal and mechanical properties of sintered alumina, (b) the exceptional strength and conductivity of the Painton " Intermediate Wire Process " of resistance termination (Patent 575297). Range Standard Heavy Duty Heavy Duty Type MVI 5101 5306 Resistance Range Ohms Min. 1 10 1 10 10 Max. 9.99 4.700 9.99 4700 15,000 Tol. 10$ 5i w 5i Rating Watts Normal 20 °C. 4 . 5.5 8.5 Tropical 70 t. 3 4 7 Max. Working Temp. 300 C. 350 °C. 350 °C. Temperature Coefficient BELOW 100"— NEGLIGIBLE ABOVE 100"— 0.01 %/C. BELOW 100*— NEGLIGIBLE ABOVE 100"— 0.01%/C. BELOW 200*— NEGLIGIBLE ABOVE 200"— 0.01%/C. DIMENSIONS Length is" 32 ii" 32 is" Diam. ii 13 64 13" 64 9" 32 Lead Length li" \t li" Material 20 S.W.G. Silver Clad Copper Wire J*A|NT9N ATTENUATORS AND FADERS • STUD SWITCHES • FIXED AND ADJUSTABLE WIREWOUND RESISTORS WIREWOUND POTENTIOMETERS • MIDGET R.F. CHOKES • HIGH STABILITY CARBON RESISTORS • TERMINALS PLUGS AND SOCKETS • KNOBS, DIALS AND POINTERS • TOGGLE SWITCHES • PUSH BUTTON SWITCHES
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