200 Series
Brown Devil Vitreous Enamel Power
Ohmites 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 Ohms Law [V=P*R] as limited by the resis-
tance value of specified product
characteriSticS
lead-free vitreous enamel
Coating
Core Ceramic
Terminals Tinned axial; RoHS solder composition is 96% Sn, 3.5%
Ag, 0.5% Cu
Derating Linearly from 100% @ +25C to 0% @ +350C
Tolerance 1+: 5%
under 1: 10%
Power rating Based on 25C free air rating
Overload 10 times rated wattage for 5 seconds
5 and under: 400 ppm/C
Temperature coefficient
Above 5: 260 ppm/C
To calculate, use the formula P/R
Max. amps
(continued)
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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
Part No. Part No. Part No. Part No. Part No.
Prefix Prefix Prefix Prefix Prefix
Suffix Suffix Suffix Suffix Suffix
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 330 330E 18,000 18KE
24 24RE 2,500 2K5E
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
35,000 35KE
1.8 1R8E 35 35RE 430 430E 3,500 3K5E
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
60,000 60KE
3 3R0E 47 47RE 560 560E 4,500 4K5E
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
availability at www.ohmite.com
6.2 6R2E 110 110E 910 910E 8,000 8K0E
These values involve very fine
6.8 6R8E 120 120E 1,000 1K0E 8,200 8K2E
resistance wire and should not
7.5 7R5E 125 125E 1,100 1K1E 8,500 8K5E
be used in critical applications
8.2 8R2E 130 130E 1,200 1K2E 9,000 9K0E
without burn-in and/or thermal
cycling:
9.1 9R1E 150 150E 1,250 1K25E 9,100 9K1E
10 10RE 160 160E 1,300 1K3E 10,000 10KE B5: 6.8K-20K
B8: 12.5K-25K
11 11RE 180 180E 1,500 1K5E 11,000 11KE
B12: 30K-51K
12 12RE 200 200E 1,600 1K6E 12,000 12KE
B20: 22.5K-100K
13 13RE 220 220E 1,750 1K75E 12,500 12K5E
15 15RE 225 225E 1,800 1K8E 13,000 13KE
240 240E
16 16RE 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
200 N8D5R000JE
See web-
Series Tolerance Ohms
F = 1% 1R0 = 1 site for
H = 3% 250 = 250 Coating Wattage Ohms Tolerance custom
J = 5% 1K0 = 1,000
200 = Vitreous 3 R500 = 0.500 F = 1%
core info
K = 10% 25K = 25,000
400 = Silicone 5.25 1R00 = 1 H = 3%
25K5 = 25,500
Ceramic 8 250R = 250 J = 5%
12 1K00 = 1,000 K = 10%
20 25K0 = 25,000
25K5 = 25,500
84 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info@ohmite.com
Ohmic value
B5J 5.25
B8J 8
B12J 12
B20J 20
Ohmic value
B5J 5.25
B8J 8
B12J 12
B20J 20
Ohmic value
B5J 5.25
B8J 8
B12J 12
B20J 20
Ohmic value
B5J 5.25
B8J 8
B12J 12
B20J 20
Ohmic value
B5J 5.25
B8J 8
B12J 12
B20J 20