Series VP & VK 29, 50, 100, 160-175, 200-225 Watt Fixed Power, Wirewound Resistors eel ltl eae elle Description The VP and VK series are for applications requiring high power resistors. These resistors have lug terminals, which are solderable, and they can be bracket mounted. Made in accordance to Mil-R-26 standards, the VP and VK series are suitable for rugged applications. Features *Rugged vitreous coating *High wattage applications eAll-welded construction eMeets or exceeds MIL-R-26 *Non-inductive winding available NGC tM EL CLEP Ts) tea LEC CSS Coating Vitreous enamel Core Tubular ceramic Terminals Tinned, lug terminals, solderable to MIL-R-26 standards Weight VP25K VP50K VK100N VK160W VK200W 25 watt 50 watt 100 watt 160 watt 200 watt 816 02. 1.312 oz. 3.2 02. 7.12 02. 11,84 oz. 22.8 gms. 36.7 gms. 89.6 gms. 199.4 gms. 331.5 gms. Series VP & VK Electrical Specifications Resistance Tolerance +5% standard Closer tolerances available. Power Rating Based on 25C free air rating Minimum Maximum Series Wattage Wattage VP25K 25 N/A VP50K 50 N/A VK100N 100 N/A VK160W 160 175 VK200W 200 225 N/A = Not Applicable Figure 1 Series VP & VK Derating 2 LON ee. S PN re ~ AMBIENT TEMPERATURE IN DEGREES CENTIGRADE Electrical Specifications continued, next page 157Electrical Specifications continued Overload 10 times rated wattage 5 seconds Temperature Coefficient +100 ppm/C (Closer TC available) Dielectric Withstanding Voltage 1000 Vac when dual wattage shown: Lower wattages have max hotspot 275 Higher wattages have max hotspot 350 Figure 2 Series VP & VK Dimensions A__f. a A* B* c* VP25K .562 .313 2.000 VP50K 562 .313 4.000 VK100N 750 500 6.500 VKI60W DISCONTINUED --- VK200W 1.125 750 10.500 ** Dimensional Tolerance: +.0313" * Maximum Dimensions ' Series Bracket Number VP25K K-100 WPSO0K K-100 VK100N N-100- VE160W W-100 VE200W W-100 4150 Series VP & VK Standard Resistance Values Stock Values 25 WATT VP25K FIXED l 25 500 3K 15K 60K 2 50 750 3.5K 20K 70K 3 75 800 4K 25K 80K 4 100 IK 5K 30K 100K 5 150 1500 6K 35K 10 200 2K 7.5K 40K 15 250 2.5K 10K 50K 50 WATT VPS50K FIXED 1 75 750 4K 20K 150K 2 100 800 5K 25K 175K 3 150 IK 6K 30K 200K 4 200 L.25K 75K 35K 225K 5 250 1.5K 8k 50K 250K 10 300 2K 10K T5K 25 400 2.5K 12K 100K 50 500 3K 15K 125K 100 WATT VK100N FIXED l 25 200 13K TOK 40K 2 50 250 2K 10K 50K 3 75 300 2.5K ISK 60K 4 100 500 3K 20K 75K 5 125 750 4K 25K 100K 10 150 IK 5K. 30K 200K 175 WATT VEKI60W FIXED ] 25 250 : 3K 20K 75K 2 50 500 5K 25K 100K 3 75 IK 7.5K 30K 4 100 L.5K 10K 40K 5 125 2K 12K 50K 10 150 2.5K 15K 60K 225 WATT VK200W FIXED 1 25 250 2.5K 15K LOOK 2 50 500 3K 20K 3 75 750 5K 25K 4 100 1K 7.5K 30K. 5 150 LSK 10K S0K 10 200 2K 12K 75K Note: Special resistance values available; consult factory. Mounting brackets sold separately. Series VP & VK How To Order Series/Wattage + Resistance Value = Part Number Example: 25 watts at 1 ohm = VP25K-1