503SP500KG2

500 Series Non-inductive Bulk Ceramic Slab Resistors 500 Series Non-Inductive Bulk Ceramic Slab Resistors provide high power and energy dissipation in a compact size. The 500 Series design enables the designer to minimize resistor package size and cost while providing unequaled performance and reliability. The slim, compact resistors offer a number of termination options allowing easy configuration for specific requirements. Ohmite 500 Series non-inductive bulk ceramic slab resistors provide excellent performance where high peak power or high-energy pulses must be handled in a small size. The advantage of the bulk construction is that it produces an inherently non-inductive resistor; and it allows energy and power to be uniformly distributed through the entire ceramic resistor body – there is no film or wire to fail. We offer a full line of rugged, reliable ceramic resistors – including custom designs. Standard terminal mounting tabs are tin plated steel which are soldered to the resistor body. Consult factory for other materials. F e at u r e s • Inherently non-inductive, high reliability due to bulk ceramic construction • 15 watts per inch of length power dissipation (type SP) • Excellent pulse/overload capability • Slim profile for excellent volumetric power efficiency • Resistance range from 0.2 to 870K (resistance range dependent on material type) • Resistance tolerances 5, 10, 20% standard on individual components, available to ±2% on assemblies M at e r i a l T y p e s Type SP Material composition type SP is formulated to provide lower resistance values and higher derating temperatures.The higher derating temperatures translates to a higher wattage per inch than other material types. Appplications • Motor Drive Controls • Power Supplies • Power Conditioning Equipment • Soft Start/Current Limit Circuits • Dynamic Braking • Snubber Circuits • RF Dummy Load Circuits • Capacitor Dump Circuits 138 Type AS Material composition type AS is formulated to provide high voltage and high energy absorption in a singular package. Appplications • High voltage power supplies • Capacitor charge/discharge • Pulse test equipment • Radar/broadcast transmitters • Laser/imaging equipment Type BA Material composition type BA is formulated to withstand high energy and high voltage applications where the required resistance value is above the resistance values available in Type SP and Type AS resistors. Maximum continuous operating temperature is specified at 230°C. Appplications • DC Coupling and Filter Cap Discharge • Voltage Balancing • Pre-charge / Inrush Limit • Voltage Divider • Filter • Snubber • Crowbar • Measuring • EMI / EFI Test Circuits • Test Loads 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 500 Series Non-inductive Bulk Ceramic Slab Resistors S p e c i f i c at i o n s Type 502SP 503SP 504SP 506SP 508SP 510SP 502AS 503AS 504AS 505AS 506AS 507AS 508AS 509AS 510AS 502BA 503BA 504BA 506BA 508BA 510BA Resistance Avg. Power @ Range (Ω) 40°C Amb. (W) 0.2-110 30 0.3-190 45 0.4-280 60 0.8-450 90 1.0-630 120 1.3-800 150 5–1,200 12 9–2,200 18 13–3,200 24 17–4,200 30 21–5,200 36 25–6,200 42 29–7,200 48 33–8,200 54 37–9,200 60 1.2K-110K 10 2.2K-210K 14 3.2K-300K 20 5.2K-490K 30 7.2K-680K 38 9.2K-870K 48 Peak* Energy @ 40°C Amb. (J) 150 290 480 800 1100 1400 1,500 2,700 4,000 5,200 6,400 7,700 8,900 10,100 11,400 700 1,200 1,800 2,900 4,100 5,200 Peak* Voltage 900 1900 2800 4700 6700 8500 8,500 16,000 23,000 30,000 36,000 43,000 50,000 57,000 65,000 3,000 5,400 8,000 13,000 18,000 22,000 Packaged assemblies Weight (Grams) 15 22.5 30 45 60 75 16 24 32 40 48 56 64 72 80 Individual standard components can be packaged in series, parallel, or series/parallel arrays to optimize energy and power dissipation in available space. Custom assembly packages are available. *Based on energy absorption in less than 10 milliseconds. Energy rating can be substantially greater for longer pulses. Allowable peak energy/voltage will depend on the resistance value. Characteristics Short Time Overload Max. % change after 5 cycles – 10 times rated power, 5 seconds on, 90 seconds off Load Life Max. % chage after 1000 hrs. rated power 1½ hours on; ½ hour off Temperature SP & AS: +0.0 to -0.08%/°C Coefficient BA: +0.0 to -0.2%/°C Specific Heat SP: 0.24 – 0.26 cal/gm°C AS: 0.22 – 0.24 cal/gm°C BA: 0.22 – 0.28 cal /(gm –°C) Thermal SP: 0.14 - 0.16 cal/(cm-˚C - sec) Conductivity AS: 0.003 – 0.006 cal/cm-°C-sec BA: 0.14 – 0.16 cal /(c m –°C – sec ) Size Standard units are 1" wide by 1/4" thick in variable lengths of 2, 3, 4, 6, 8 and 10 inches. Other lengths to 10" maximum are available. Rated SP: 15 watts per inch of length based on Average 350°C maximum operating temperature with Power 40°C ambient. BA: based on 230°C maximum operating temperature with 40°C ambient. Derate linearly to 0 Watts at 230°C Moisture Resistance Max. % change when tested per MILSTD-202, Method 103 Derating 350 40° 80 60 SP 40 AS 20 0 230° 0 +3% +5% Surface Temperature Rise 100 % Rated Power Density SP & AS: 2.2 – 2.4 gm/cc BA: 2.2 – 2.6 gm / cc +2% +5% Thermal Shock Max. % change after 10 cycles -55°C to +125°C Temperature Rise (°C) Operating SP: -55˚C to +350°C Temperature When required, Type SP material can withstand short periods of use at red-heat conditions, i.e. up to 550 to 600°C AS & BA: -55˚C to +230°C 350° 100 200 300 Ambient Temperature (°C) 400 300 250 200 150 Typical for Resistor Midpoint with Horizontal Orientation in Still Air SP AS 100 50 0 0 20 40 60 80 % Rated Power 100 120 Peak Impulse SP: Max 1000 Amps Current AS: Max 200 Amps For applications requiring higher current ratings contact factory. 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 139 Ceramic Resistor Division 500 Series Non-inductive Bulk Ceramic Slab Resistors Dimensions Fig. 1 Fig. 2 Without Tabs Length (L ± 1/16") [L ± 1.6mm] With Straight Radial Tabs (G1) Length (L ± 1/16") [L ± 1.6mm] 1/4" [6.4mm] 3/8" [9.5mm] 3/8" [9.5mm] 0.030'' [0.8mm] Typical 1" [25.4mm] Both Ends Aluminum Hole Spacing (L-3/8'') ±1/16'' [(L - 9.5mm) ±1.6mm] 20 Gage Steel Riveted Tab, Tin-Plated With Right Angle Radial Tabs – same direction – (G2) Fig. 3 3/8'' [9.5mm] Length (L ± 1/16") [L ± 1.6mm] Fig. 4 0.030'' [0.8mm] Typical Length (L ± 1/16") [L ± 1.6mm] 20 Gage Steel Riveted Tab,Tin-Plated 0.19'' [4.8mm] 3/8" [9.5mm] Length (L ± 1/16") [L ± 1.6mm] 0.35'' [8.9mm] Fig. 6 Round Hole 0.275” Dia [7.0mm] 3/4" [19.1mm] 20 Gage Steel, Tin-Plated 20 Gage Steel Riveted Tab, Tin-Plated 5/16" [7.9mm] Typical 1.5" Max. [38.1mm] 5/16" [7.9mm] Typical With Low Profile Axial Tabs (H1) Fig. 5 0.030'' [0.8mm] Typical 0.22'' [5.6mm] Dia. Hole 1.5" Max. [38.1mm] 1/4'' [6.4mm] Nom.Hole Spacing 0.22" [5.6mm] Dia. Hole With Right Angle Radial Tabs – opposite direction – (G3) 0.22'' [5.6mm] Dia. Hole (L - 3/8") ±1/16" [(L - 9.5mm) ±1.6mm] 13/16" [20.6mm] (L - 3/8") ±1/16" [(L - 9.5mm) ±1.6mm] 1/4'' [6.4mm] Nom. Hole Spacing With Standoff Axial Tabs (H2) Length (L ±1/16") [L ±1.6mm] 3/8" [9.5mm] 0.19'' [4.8mm] 0.19'' [4.8mm] 0.35'' x2 [8.9mm] Slotted Hole 7/32 x 5/16" [5.6 x 7.9mm] 1/4" [6.4mm] 3/4" [19.1mm] Hole Spacing (L + 3/4") ±1/16'' [(L + 19.1mm) ±1.6mm] 1/4" [6.4mm] Hole Spacing (L +7/8") ±1/16'' [(L + 22.2mm) ±1.6mm] 3/4" [19.1mm] 20 Gage Steel, Tin-Plated 3/8" [9.5mm] 3/4" [19.1mm] 5/8" [15.9mm] 5/16" [7.9mm] how to order Coating Options D = Dielectric O = Oil resistant 504SP101KDG1 Construction Resistance (Ω) Tolerance For ≥10Ω: First 2 digits J = ±5% Type are significant, third is K = ±10% number of zeros to L = ±20% follow, e.g. 101 = 100Ω For