200 Series Brown Devil® Vitreous Enamel Power Ohmite’s Brown Devil® is a small, exceptionally durable power resistor. It features all-welded con- struction and rugged, flame resistant conformal lead free vitreous enamel coating to ensure successful performance under high temperatures. The wirewound 200 Series has a hollow-core con- struction, which accommodates rigid mounting with brackets or thru bolts. FeatureS Mounting brackets not included with resistors. • Rugged lead free vitreous enamel coating • All-welded construction. • Self supporting terminal mounting option. • Higher power ratings. • Flame-resistant lead free vitreous enamel coating. • RoHS compliant product available. Add “E” suffix to part number to specify. SerieS SPeciFicatiONS Series Wattage Ohms Lead Gauge Max. Voltage* B5 5.25 0.1-20K 20 187 B8 8.0 0.03-25K 18 250 B12 12.0 0.08-51K 18 625 B20 20.0 0.1-100K 18 750 Non-Inductive versions available. Insert “N” before tolerance code. Example: B5NJ10RE Also available in low cost Centohm or Silicone coating. Consult Ohmite. * Maximum Voltage is based on Ohm’s Law [V=√P*R] as limited by the resis- tance value of specified product characteriSticS Coating lead-free vitreous enamel Core Ceramic Terminals Tinned axial; RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu Derating Linearly from 100% @ +25°C to 0% @ +350°C Tolerance 1Ω+: ±5% under 1Ω: ±10% Power rating Based on 25°C free air rating Overload 10 times rated wattage for 5 seconds Temperature coefficient 5Ω and under: ±400 ppm/°C Above 5Ω: ±260 ppm/°C Max. amps To calculate, use the formula √P/R (continued) 82 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

200 Series Brown Devil® Vitreous Enamel Power dimeNSiONS (in. / mm) 1.50 in. -0/+0.25 Series Wattage L D C Lead Gauge 38.10 mm -0/+6.35 B5 5.25 0.625 / 15.88 0.250 / 6.35 0.135 / 3.43 20 B8 8.0 1.000 / 25.40 0.313 / 7.94 0.188 / 4.76 18 D C B12 12.0 1.750 / 44.45 0.313 / 7.94 0.188 / 4.76 18 B20 20.0 2.000 / 50.80 0.438 / 11.11 0.250 / 6.35 18 L OrderiNg iNFOrmatiON Standard Values Wattage Wattage Wattage Wattage Wattage Ohmic value PPSaruerffftii xxN o. B5J ––– 5.25 B8J ––– 8 B12J –––12 B20J––– 20 Ohmic value PPSaruerffftii xxN o. B5J ––– 5.25 B8J ––– 8 B12J –––12 B20J –––20 Ohmic value PPSaruerffftii xxN o. B5J ––– 5.25 B8J ––– 8 B12J –––12 B20J –––20 Ohmic value PPSaruerffftii xxN o. B5J ––– 5.25 B8J ––– 8 B12J ––– 12 B20J ––– 20 Ohmic value PPSaruerffftii xxN o. B5J ––– 5.25 B8J ––– 8 B12J –––12 B20J––– 20 0.5 –––R50E   20 –––20RE    270 –––270E  2,250 –––2K25E   16,000 –––16KE  1 –––1R0E     22 –––22RE  300 –––300E    2,400 –––2K4E 17,500 –––17K5E   1.1 –––1R1E 24 –––24RE  330 –––330E  2,500 –––2K5E    18,000 –––18KE  1.2 –––1R2E 25 –––25RE    350 –––350E    2,700 –––2K7E  20,000 –––20KE     1.3 –––1R3E 27 –––27RE  360 –––360E 2,750 –––2K75E  22,500 –––22K5E  1.5 –––1R5E    30 –––30RE    390 –––390E  3,000 –––3K0E     25,000 –––25KE    1.6 –––1R6E  33 –––33RE  400 –––400E    3,300 –––3K3E  30,000 –––30KE   1.8 –––1R8E  35 –––35RE   430 –––430E 3,500 –––3K5E    35,000 –––35KE   2 –––2R0E     36 –––36RE 450 –––450E   3,600 –––3K6E 40,000 –––40KE   2.2 –––2R2E 39 –––39RE  470 –––470E  3,900 –––3K9E  45,000 –––45KE  2.4 –––2R4E  40 –––40RE    500 –––500E    4,000 –––4K0E    50,000 –––50KE   2.7 –––2R7E  43 –––43RE  510 –––510E  4,300 –––4K3E 55,000 –––55KE 3 –––3R0E     47 –––47RE  560 –––560E  4,500 –––4K5E    60,000 –––60KE 3.3 –––3R3E  50 –––50RE    600 –––600E   4,700 –––4K7E  65,000 –––65KE 3.6 –––3R6E  51 –––51RE  620 –––620E  5,000 –––5K0E    70,000 –––70KE 3.9 –––3R9E  56 –––56RE  650 –––650E  5,100 –––5K1E  75,000 –––75KE 4 –––4R0E    62 –––62RE  680 –––680E  5,600 –––5K6E  80,000 –––80KE  4.3 –––4R3E  68 –––68RE  700 –––700E   6,000 –––6K0E    85,000 –––85KE 4.7 –––4R7E  75 –––75RE     750 –––750E     6,200 –––6K2E  90,000 –––90KE 5 –––5R0E    82 –––82RE  800 –––800E    6,800 –––6K8E  95,000 –––95KE 5.1 –––5R1E  91 –––91RE  820 –––820E  7,000 –––7K0E    100,000 –––100KE 5.6 –––5R6E  100 –––100E     900 –––900E   7,500 –––7K5E      = Standard values; check 6.2 –––6R2E  110 –––110E 910 –––910E 8,000 –––8K0E    availability at www.ohmite.com 6.8 –––6R8E  120 –––120E  1,000 –––1K0E     8,200 –––8K2E  These values involve very fine 7.5 –––7R5E    125 –––125E    1,100 –––1K1E   8,500 –––8K5E resistance wire and should not be used in critical applications 8.2 –––8R2E  130 –––130E  1,200 –––1K2E    9,000 –––9K0E   without burn-in and/or thermal 9.1 –––9R1E  150 –––150E    1,250 –––1K25E    9,100 –––9K1E cycling: 10 –––10RE     160 –––160E  1,300 –––1K3E  10,000 –––10KE     B5: 6.8K-20KΩ 11 –––11RE 180 –––180E  1,500 –––1K5E     11,000 –––11KE  B8: 12.5K-25KΩ 12 –––12RE    200 –––200E     1,600 –––1K6E 12,000 –––12KE   B12: 30K-51KΩ B20: 22.5K-100KΩ 13 –––13RE 220 –––220E  1,750 –––1K75E    12,500 –––12K5E    15 –––15RE    225 –––225E  1,800 –––1K8E 13,000 –––13KE  16 –––16RE 240 –––240E  2,000 –––2K0E     13,500 –––13K5E  18 –––18RE 250 –––250E    2,200 –––2K2E  15,000 –––15KE     Coating Non-Inductive Made-to-order Parts Blank=Vitreous Winding C=Centohm Optional (blank RoHS Non-Inductive Winding Core Diameter S=Silicone Wattage = std. winding) Compliant Optional (blank See “Core and RoHS = std. winding) Terminal Selection” Compliant 2 0 0 N 8 D 5 R 0 0 0 J E Series Tolerance Ohms See web- site for F= 1% 1R0 = 1Ω H= 3% 250 = 250Ω Coating Wattage Ohms Tolerance custom J = 5% 1K0 = 1,000Ω 200 = Vitreous 3 R500 = 0.500Ω F= 1% core info K= 10% 25K = 25,000Ω 400 = Silicone 5.25 1R00 = 1 Ω H= 3% 25K5 = 25,500Ω Ceramic 8 250R = 250 Ω J = 5% 12 1K00 = 1,000Ω K= 10% 20 25K0 = 25,000Ω 25K5 = 25,500Ω 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 83