When you need the highest RoHS compliant; add E suffix
to part number to specify.
quality wirewound axial termi-
90 Series
nal resistors available, choose
s peci F ications
Ohmites 90 Series resistors.
Lead Free Vitreous enamel Molded
They are manufactured by
Material
a unique process that molds axial t erm. Wirewound, 5% t olerance standard
Coating: Molded lead free vitre-
the vitreous enamel over the
ous enamel.
resistive element, helping to 1.5 in. / 38.1mm
L D
Core: Ceramic.
ensure consistent dimensions.
Terminals: Solder-coated copper
This uniformity permits 90
clad axial. RoHS solder com-
Series resistors to be mounted
position is 96% Sn, 3.5% Ag,
in clips, creating a heat-sinking
0.5% Cu
benefit (see next page).
Derating: Linearly from
D imensions (in./mm max.)
The durable vitreous enam-
series Wattage* ohms Length Diam. Voltage Lead ga.
100% @ +25C to
el coating, which is totally lead
0% @ +350C. 91 1.5 0.1-3.6K 0.452 / 11.5 0.140 / 3.6 150 24
free, permits the 90 Series
Electrical
92 2.25 0.1-3.5K 0.405 / 10.3 0.219 / 5.6 85 20
resistors to maintain a hard
Tolerance: 5%
93 3.25 0.1-10.5K 0.577 / 14.7 0.234 / 5.9 200 20
coating while operating at high
(other tolerances available).
95 5.0 0.1-25K 0.968 / 24.6 0.265 / 6.7 495 20
temperatures. Mechanical
Power rating: Based on 25C
96 6.5 0.1-50K 0.952 / 24.2 0.343 / 8.7 625 20
integrity is enhanced by the
free air rating. (other wattages
90 11.0 0.1-91K 1.811 / 46.0 0.343 / 8.7 1080 20
all-welded construction.
available*).
* 2x power ratings by using heat-sink mounting clips shown on following page.
Maximum ohmic values:
Features
See chart.
note: Due to space restrictions, parts are stamped with wattage ratings reduced to the
Molded Construction provides
Overload:
nearest whole number. The actual wattage ratings are as published in this catalog.
consistent shape and size
Under 11 watts: 5 times rated
(Permits mounting in clips which
wattage for 5 seconds. Ordering infOrmatiOn
extends power rating).
11 watts: 10 times rated wattage Non-Inductive Winding RoHS
Optional (blank = std. winding) Compliant
Meets MIL-R-26 requirements
for 5 seconds.
for insulated resistors.
Temperature coefficient: 91NJR10E
All-welded construction.
1 to 9.99: 100 ppm/C
90 Series Wattage Tolerance Resistance Value
Flame resistant lead free vitre-
10 and over: 30 ppm/C Series-Lead 1= 1.5W J= 5% 1R0 = 1.0
Free Vitreous 2= 2.25W 10R = 10.0
ous enamel coating.
Dielectric withstanding voltage:
Enamel Molded 3= 3.25W 250 = 250
Axial Term. 5= 5W 1K0 = 1,000
Higher ratings in smaller sizes.
500 VAC: 1W rating
Wirewound 0= 11W 4K5 = 4,500
Heat sink mounting clips avail- 1000 VAC: 2, 3, 5 and 11W 51K = 51,000
able.
Standard part numberS fOr 90 SerieS
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
1 1R0 22 22R 350 350 3,500 3K5 13,000 13K
1.1 1R1 24 24R 360 360 3,600 3K6 14,000 14K
1.2 1R2 25 25R 390 390 3,900 3K9 15,000 15K
1.3 1R3 27 27R 400 400 4,000 4K0 16,000 16K
1.5 1R5 30 30R 430 430 4,300 4K3 17,000 17K
1.6 1R6 33 33R 450 450 4,500 4K5 18,000 18K
1.8 1R8 35 35R 470 470 4,700 4K7 20,000 20K
2 2R0 36 36R 500 500 5,000 5K0 22,000 22K
2.2 2R2 39 39R 510 510 5,100 5K1 24,000 24K
2.4 2R4 40 40R 560 560 5,600 5K6 25,000 25K
2.7 2R7 43 43R 600 600 6,000 6K0 27,000 27K
3 3R0 47 47R 620 620 6,200 6K2 30,000 30K
3.3 3R3 50 50R 680 680 6,800 6K8 33,000 33K
3.6 3R6 51 51R 700 700 7,000 7K0 35,000 35K
3.9 3R9 56 56R 750 750 7,500 7K5 36,000 36K
4 4R0 62 62R 800 800 8,000 8K0 39,000 39K
4.3 4R3 68 68R 820 820 8,200 8K2 40,000 40K
4.7 4R7 75 75R 900 900 9,000 9K0 43,000 43K
5 5R0 82 82R 910 910 9,100 9K1 45,000 45K
5.1 5R1 91 91R 1,000 1K0 10,000 10K 47,000 47K
5.6 5R6 100 100 1,100 1K1 11,000 11K 50,000 50K
6.2 6R2 110 110 1,200 1K2 12,000 12K 51,000 51K
6.8 6R8 120 120 1,300 1K3
= Standard values
7.5 7R5 130 130 1,400 1K4
8.2 8R2 150 150 1,500 1K5 = Non-standard values subject to minimum handling
charge per item
9.1 9R1 160 160 1,600 1K6
10 10R 180 180 1,800 1K8
11 11R 200 200 2,000 2K0
Shaded values involve very fine resistance wire and
12 12R 220 220 2,200 2K2
should not be used in critical applications without burn-
13 13R 240 240 2,400 2K4
in and/or thermal cycling.
15 15R 250 250 2,500 2K5
16 16R 270 270 2,700 2K7
18 18R 300 300 3,000 3K0
Check product availability at www.ohmite.com
20 20R 330 330 3,300 3K3
1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com [email protected]
Ohmite Mfg. Co. 29
ohmic value
91J 1.5
92J 2.25
93J 3.25
95J 5
90J 11
ohmic value
91J 1.5
92J 2.25
93J 3.25
95J 5
90J 11
ohmic value
91J 1.5
92J 2.25
93J 3.25
95J 5
90J 11
ohmic value
93J 3.25
95J 5
90J 11
ohmic value
95J 5
90J 11 Features
Prevents severe vibration or mechanical shock
Mounting Clip
to resistor
Increases resistor wattage up to 100% when
For 90 series
mounted on metal surface (1.5 sq. in. by 0.040
in. thick min. per watt dissipated)
Holes in clip base permit fastening to chassis
surface with machine screws, eyelets or rivets
Sold in bags of ten (10)
Standard part numberS fOr 90 SerieS mOunting clip
resistor clip clip clip Hole Hole
rating length width height no. of centers diameter
part no. (watts) (in./mm) (in./mm) (in./mm) holes (in./mm) (in./mm)
= Most popular standard values
5900 1.5 0.40 / 10.319 0.150 / 3.810 0.250 / 6.350 1 0.71 / 1.803
= Standard values
5902 2.25 0.35 / 8.890 0.217 / 5.500 0.275 / 6.980 2 0.156 / 3.969 0.71 / 1.803
= Non-standard values subject to
5904 3.25 0.50 / 12.700 0.257 / 6.500 0.319 / 8.103 2 0.250 / 6.350 0.093 / 2.362
minimum handling charge per
5906 5.0 0.90 / 22.860 0.237 / 6.019 0.284 / 7.214 2 0.400 / 10.160 0.103 / 2.616
item
5908 11.0 1.75 / 44.450 0.333 / 8.458 0.377 / 9.576 2 0.800 / 20.320 0.103 / 2.616
1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com [email protected]
30 Ohmite Mfg. Co.