Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com13
When you need the highest
quality wirewound axial lead
resistors available, choose
Ohmite's 90 Series resistors.
They are manufactured by
a unique process that molds
the vitreous enamel over the
resistive element, helping to
ensure consistent dimensions.
This uniformity permits 90
Series resistors to be mounted
in clips, creating a heat-sinking
benefit (see next page).
The durable vitreous enam-
el coating, which is totally lead
free, permits the 90 Series
resistors to maintain a hard
coating while operating at high
temperatures. Mechanical
integrity is enhanced by the
all-welded construction.
FEATURES
• Molded Construction provides
consistent shape and size
(Permits mounting in clips which
extends power rating).
• Meets MIL-R-26 requirements for
insulated resistors.
• All-welded construction.
• Flame resistant lead free vitre-
ous enamel coating.
• Higher ratings in smaller sizes.
• Heat sink mounting clips avail-
able.
90 Series
Lead Free Vitreous Enamel Molded
Axial Lead Wirewound Resistors
5% Tolerance Standard
SPECIFICATIONS
Material
Coating: Molded lead free vitre-
ous enamel.
Core: Ceramic.
Terminals: Solder-coated copper
clad axial lead.
Derating: Linearly from
100% @ +25°C to
0% @ +350°C.
Electrical
Tolerance: ±5%
(other tolerances available).
Power rating: Based on 25°C free
air rating. (other wattages avail-
able*).
Maximum ohmic values:
See chart.
Overload:
Under 11 watts: 5 times rated
wattage for 5 seconds.
11 watts: 10 times rated wattage
for 5 seconds.
Temperature coefficient:
1 to 9.99Ω: ±100 ppm/°C
10Ωand over: ±30 ppm/°C
Dielectric withstanding voltage:
500 VAC: 1 watt rating
1000 VAC: 2, 3, 5 and 11 watt
rating.
Dimensions (in. / mm)
Series Wattage* Ohms Length Diam. Voltage Lead ga.
91 1.5 0.1Ω-3.6K 0.437 / 11.1 0.150 / 3.6 150 24
92 2.25 0.1Ω-3.5K 0.390 / 9.9 0.219 / 5.6 85 20
93 3.25 0.1Ω-10.5K 0.562 / 14.3 0.234 / 5.9 200 20
95 5.0 0.1Ω-25K 0.953 / 24.2 0.234 / 5.9 495 20
90 11.0 0.1Ω-91K 1.796 / 45.6 0.343 / 8.7 1080 20
15 watt available on special order
Non-inductive types available on special order
* 2x power ratings by using heat-sink mounting clips shown on following page.
Note: Due to space restrictions, parts are stamped with wattage ratings reduced to the
nearest whole number. The actual wattage ratings are as published in this catalog.
LD
1.5 / 38.1
1–––1R0 ✙✙✙✙✔
1.1 –––1R1 ✔✜✜✔✜
1.2 –––1R2 ✔✔✔✔✜
1.3 –––1R3 ✜✔✔✜✔
1.5 –––1R5 ✔✔✔✔✔
1.6 –––1R6 ✜✜✜✜✜
1.8 –––1R8 ✔✜✜✔✔
2–––2R0 ✔✔✙✔✔
2.2 –––2R2 ✔✔✔✔✔
2.4 –––2R4 ✙✜✔✔✔
2.7 –––2R7 ✔✔✔✔✔
3–––3R0 ✔✔✔✔✔
3.3 –––3R3 ✔✔✔✔✔
3.6 –––3R6 ✜✜✜✔✜
3.9 –––3R9 ✔✔✔✔✔
4–––4R0 ✔✔✔✔✔
4.3 –––4R3 ✜✔✜✔✔
4.7 –––4R7 ✔✔✙✔✔
5–––5R0 ✔✔✔✙✙
5.1 –––5R1 ✜✔✔✜✜
5.6 –––5R6 ✔✔✔✔✔
6.2 –––6R2 ✜✔✔✔✔
6.8 –––6R8 ✔✜✔✙✔
7.5 –––7R5 ✜✔✔✔✔
8.2 –––8R2 ✜✔✔✔✔
9.1 –––9R1 ✜✜✔✔✜
10 –––10R ✔✔✔✙✔
11 –––11R ✜✜✜✔✔
12 –––12R ✔✔✔✔✔
13 –––13R ✜✜✔✔✜
15 –––15R ✔✔✔✔✔
16 –––16R ✔✜✔✔✔
18 –––18R ✔✔✔✔✔
20 –––20R ✔✔✔✔✔
22 –––22R ✔✔✔✔✔
24 –––24R ✜✜✔✔✔
25 –––25R ✜✔✔✔✔
27 –––27R ✔✔✔✔✔
30 –––30R ✔✔✔✔✔
33 –––33R ✔✜✔✙✙
35 –––35R ✔✜✔✔✔
36 –––36R ✔✜✜✔✜
39 –––39R ✔✔✔✔✔
40 –––40R ✜✔✔✔✔
43 –––43R ✜✔✔✔✔
47 –––47R ✔✔✔✔✔
50 –––50R ✔✔✙✙✔
51 –––51R ✜✜✔✔✜
56 –––56R ✔✔✔✔✔
62 –––62R ✔✔ ✔✙
68 –––68R ✔✔✔✔✔
75 –––75R ✔✔✔✔✔
82 –––82R ✔✔✔✔✔
91 –––91R ✔✜✔✔✔
100 –––100 ✙✔✙✙✙
110 –––110 ✔✔✔✔✔
120 –––120 ✔✔✔✔✔
130 –––130 ✜✔✔✔✔
150 –––150 ✔✔✔✔✔
160 –––160 ✔✜✔✔✔
180 –––180 ✔✔✔✔✔
200 –––200 ✔✔✔✔✔
220 –––220 ✔✔✙✔✔
240 –––240 ✜✜✔✔✔
250 –––250 ✔✔✔✔✔
270 –––270 ✔✔✔✔✔
300 –––300 ✔✔✔✔✔
330 –––330 ✔✔✔✔✙
350 –––350 ✔✔✔✔✜
360 –––360 ✔✔✔✔✜
390 –––390 ✔✔✔✔✔
400 –––400 ✔✔✔✔✔
430 –––430 ✔✔✔✔✜
450 –––450 ✜✔✔✜✜
470 –––470 ✔✙✔✔✔
500 –––500 ✔✔✔✔✔
510 –––510 ✜✔✔✔✜
560 –––560 ✔✔✔✔✔
600 –––600 ✔✜✔✔✔
620 –––620 ✔✜✔✜✜
680 –––680 ✔✔✔✔✔
700 –––700 ✜✔✔✔✜
750 –––750 ✔✔✔✔✔
800 –––800 ✔✜✔✔✔
820 –––820 ✔✔✔✔✔
900 –––900 ✜✜✔✔✜
910 –––910 ✜✜✔✜✜
1,000 –––1K0 ✙✔✙✙✔
1,100 –––1K1 ✜✔✔✜✜
1,200 –––1K2 ✔✙✔✔✔
1,300 –––1K3 ✔✔✔✔✔
1,400 –––1K4 ✜✔✜✜✔
1,500 –––1K5 ✔✔✔✔✔
1,600 –––1K6 ✜✜✔✔✔
1,800 –––1K8 ✔✙✔✔✔
2,000 –––2K0 ✔✔✔✔✔
2,200 –––2K2 ✔✔✔✔✔
2,400 –––2K4 ✔✔✙✔✜
2,500 –––2K5 ✔✔✔✙✙
2,700 –––2K7 ✜✔✔✔✔
3,000 –––3K0 ✔✔✔✔✔
3,300 –––3K3 ✔✔✔
STOCK PART NUMBERS FOR STANDARD RESISTANCE VALUES
3,500 –––3K5 ✔✔✔
3,600 –––3K6 ✔✔✔
3,900 –––3K9 ✔✔✔
4,000 –––4K0 ✔✔✔
4,300 –––4K3 ✜✔✔
4,500 –––4K5 ✔✔✔
4,700 –––4K7 ✔✔✔
5,000 –––5K0 ✔✙✔
5,100 –––5K1 ✜✔✔
5,600 –––5K6 ✙✙✔
6,000 –––6K0 ✔✔✔
6,200 –––6K2 ✔✔✜
6,800 –––6K8 ✙✔✔
7,000 –––7K0 ✔✔✔
7,500 –––7K5 ✔✔✔
8,000 –––8K0 ✔✔✔
8,200 –––8K2 ✔✔✔
9,000 –––9K0 ✔✔✜
9,100 –––9K1 ✔✜
10,000 –––10K ✙✙✙
11,000 –––11K ✔✜
12,000 –––12K ✙✔
13,000 –––13K ✔✜
14,000 –––14K ✔✜
15,000 –––15K ✔✙
16,000 –––16K ✙✜
17,000 –––17K ✜✜
18,000 –––18K ✔✔
20,000 –––20K ✙✔
22,000 –––22K ✔✔
24,000 –––24K ✜✜
25,000 –––25K ✔✔
27,000 –––27K ✙
30,000 –––30K ✔
33,000 –––33K ✔
35,000 –––35K ✜
36,000 –––36K ✔
39,000 –––39K ✔
40,000 –––40K ✔
43,000 –––43K ✔
45,000 –––45K ✜
47,000 –––47K ✔
50,000 –––50K ✙
51,000 –––51K ✜
✙= Most popular stock values
✔= Stock values
✜= Non-stock values subject to minimum handling
charge per item
Shaded values involve very fine resistance wire and
should not be used in critical applications without burn-
in and/or thermal cycling.
Ohmic value
95J––– 5
90J––– 11
Wattage
Part No.
Prefix ➤
Suffix
➤
Ohmic value
93J––– 3.25
95J––– 5
90J––– 11
Wattage
Part No.
Prefix ➤
Suffix
➤
Ohmic value
91J––– 1.5
92J––– 2.25
93J––– 3.25
95J––– 5
90J––– 11
Wattage
Part No.
Prefix ➤
Suffix
➤
Ohmic value
91J––– 1.5
92J––– 2.25
93J––– 3.25
95J––– 5
90J––– 11
Wattage
Part No.
Prefix ➤
Suffix
➤
Ohmic value
91J––– 1.5
92J––– 2.25
93J––– 3.25
95J––– 5
90J––– 11
Wattage
Part No.
Prefix ➤
Suffix
➤
14 Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
• Prevent severe vibration or
mechanical shock to resistor
• Increase resistor wattage up to
100% when mounted on metal
surface (1.5 sq. in. by 0.040 in.
thick min. per watt dissipated)
• Holes in clip base permit fasten-
ing to chassis surface with
machine screws, eyelets or riv-
ets
Mounting Clip
For 90 Series resistor
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)
✔ 5900 1.5 0.40 / 10.319 0.150 / 3.810 0.250 / 6.350 1 0.71 / 1.803
✔ 5902 2.25 0.35 / 8.890 0.217 / 5.500 0.275 / 6.980 2 0.156 / 3.969 0.71 / 1.803
✙ 5904 3.25 0.50 / 12.700 0.257 / 6.500 0.319 / 8.103 2 0.250 / 6.350 0.093 / 2.362
✙ 5906 5.0 0.90 / 22.860 0.237 / 6.019 0.284 / 7.214 2 0.400 / 10.160 0.103 / 2.616
✙ 5908 11.0 1.75 / 44.450 0.333 / 8.458 0.377 / 9.576 2 0.800 / 20.320 0.103 / 2.616
✔ 5905 6.5 0.90 / 22.860 0.333 / 8.458 0.377 / 9.576 2 0.500 / 12.700 0.093 / 2.362
STOCK PART NUMBERS
✙= Most popular stock values
✔= Stock values
✜= Non-stock values subject to mini-
mum handling charge per item
