• RoHS compliant; add “E” suffix
to part number to specify.
When you need the highest
quality wirewound axial termi-
nal 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.
90 Series
axiꢁl tꢀꢂm. Wiꢂꢀwoꢄnd, 5% tolꢀꢂꢁncꢀ sꢃꢁndꢁꢂd
s p e ꢆ ꢇ F ꢇ ꢆ a t ꢇ ꢈ ꢉ s
Material
Coating: Molded lead free vitre-
ous enamel.
Core: Ceramic.
Terminals: Solder-coated copper
clad axial. RoHS solder com-
position is 96% Sn, 3.5% Ag,
0.5% Cu
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
available*).
Lꢀꢁd Fꢂꢀꢀ Viꢃꢂꢀoꢄꢅ enꢁmꢀl Moldꢀd
1.5 in. / 38.1mm
L
D
Dimꢀnꢅionꢅ (in. / mm)
sꢀꢂiꢀꢅ Wꢁꢃꢃꢁgꢀ* ꢈhmꢅ
Lꢀngꢃh
Diꢁm. Volꢃꢁgꢀ Lꢀꢁd gꢁ.
91
92
93
95
90
1.5
0.1Ω-3.6K
0.452 / 11.5 0.140 / 3.6
0.405 / 10.3 0.219 / 5.6
150
85
200
495
24
20
20
20
20
2.25 0.1Ω-3.5K
3.25 0.1Ω-10.5K 0.577 / 14.7 0.234 / 5.9
5.0
11.0
0.1Ω-25K
0.1Ω-91K
0.968 / 24.6 0.234 / 5.9
1.796 / 45.6 0.343 / 8.7 1080
* 2x power ratings by using heat-sink mounting clips shown on following page.
Maximum ohmic values:
See chart.
Overload:
ꢉoꢃꢀ: 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.
F e a t u r e s
• 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.
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
10Ω and over: ±30 ppm/°C
Dielectric withstanding voltage:
500 VAC: 1W rating
O r d e r i n g i n f O r m at i O n
Non-Inductive Winding
Optional (blank = std. winding)
RoHS
Compliant
9 1 N J R 1 0 E
90 Series
Series-Lead
Free Vitreous
Wattage
Tolerance Resistance Value
1 = 1.5W J = 5%
1R0 = 1.0Ω
10R =10.0Ω
250 =
2 = 2.25W
Enamel Molded 3 = 3.25W
250Ω
Axial Term.
Wirewound
5 = 5W
1K0 = 1,000Ω
4K5 = 4,500Ω
51K = 51,000Ω
0 = 11W
1000 VAC: 2, 3, 5 and 11W
S ta n d a r d p a r t n u m b e r S f O r 9 0 S e r i e S
Wꢁꢃꢃꢁgꢀ
Wꢁꢃꢃꢁgꢀ
Wꢁꢃꢃꢁgꢀ
Wꢁꢃꢃꢁgꢀ
Wꢁꢃꢃꢁgꢀ
pꢁꢂꢃ ꢉo.
Prefix
Suffix
pꢁꢂꢃ ꢉo.
Prefix
Suffix
pꢁꢂꢃ ꢉo.
Prefix
Suffix
pꢁꢂꢃ ꢉo.
Prefix
Suffix
pꢁꢂꢃ ꢉo.
Prefix
Suffix
1
–––1R0
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
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
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
= Standard values
= Non-standard 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.
Check product availability at www.ohmiꢃꢀ.com
24
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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