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CommerCial Grade part numbers
80 Series
Commercial Grade Acrasil®‚ Silicone-Ceramic
Conformal Axial Terminal Wirewound
1% Tol. (5% avail.)
RW Series
Military Grade 80 Series MIL-R-26 Qualified
Comm. Military Dimensions (in./mm max.) Lead
Grade Grade Watts Ohms Length Diam. Voltage ga.
81F RW70U 1 0.1-6K 0.437 / 11.1 0.125 / 3.2 150 24
82 2 0.1-8K 0.406 / 10.3 0.219 / 5.6 100 20
83F RW79U 3 0.1-20K 0.593 / 15.1 0.218 / 5.5 200 20
83J RW69V
85F RW74U 5 0.1-75K 0.937 / 23.8 0.343 / 8.7 460 18
85J RW67V
80F RW78U 10 0.1-150K 1.842 / 46.8 0.406 /10.3 1000 18
80J RW68V
Non-Inductive versions available. Insert “N” before tolerance code. Example: 83NF2K21
FEATURES
• Designed for precision power
applications
• All-welded construction
• RW Series “Mil” value resistors
marked with “Mil” in accordance
with MIL-R-26 specifications
SPECIFICATIONS
Material
Coating: Silicone-ceramic.
Core: Ceramic.
Terminals: Solder-coated copper
clad axial.
Derating: Linearly from
100% @ +25°C to
0% @ +275°C.
Electrical
Tolerance: ±5% (J type),
±1% (F type)
(other tolerances available).
Power rating: Based on 25°C free
air rating.
Maximum ohmic values:
See chart.
Overload: Under 5 watts: 5 times
rated wattage for 5 seconds. 5
watts and over: 10 times rated
wattage for 5 seconds.
Temperature coefficient:
Under 1Ω: ±90 ppm/°C
1 to 9.99Ω: ±50 ppm/°C
10Ω and over: ±20 ppm/°C
Dielectric withstanding voltage:
500 VAC: 1 watt rating
1000 VAC: 2, 3, 5, 7 and
10 watt rating
0.1 –––R10
0.11 –––R11
0.121 –––R121
0.133 –––R133
0.15 –––R15
0.162 –––R162
0.182 –––R182
0.2 –––R20
0.221 –––R221
0.249 –––R249
0.274 –––R274
0.301 –––R301
0.332 –––R332
0.374 –––R374
0.392 –––R392
0.402 –––R402
0.453 –––R453
0.499 –––R499
0.511 –––R511
0.562 –––R562
0.619 –––R619
0.681 –––R681
0.75 –––R75
0.825 –––R825
0.909 –––R909
1 –––1R0
1.1 –––1R1
1.21 –––1R21
1.330 –––1R33
1.5 –––1R5
1.62 –––1R62
1.82 –––1R82
2 –––2R0
2.21 –––2R21
2.49 –––2R49
2.74 –––2R74
3.01 –––3R01
3.32 –––3R32
3.74 –––3R74
4.02 –––4R02
4.53 –––4R53
4.99 –––4R99
5.11 –––5R11
5.62 –––5R62
6.19 –––6R19
6.81 –––6R81
7.5 –––7R5
8.25 –––8R25
9.09 –––9R09
10 –––10R
11 –––11R
12.1 –––12R1
13.3 –––13R3
15 –––15R
16.2 –––16R2
18.2 –––18R2
20 –––20R
22.1 –––22R1
24.9 –––24R9
27.4 –––27R4
30.1 –––30R1
33.2 –––33R2
37.4 –––37R4
40.2 –––40R2
45.3 –––45R3
49.9 –––49R9
51.1 –––51R1
56.2 –––56R2
61.9 –––61R9
68.1 –––68R1
75 –––75R
82.5 –––82R5
90.9 –––90R9
100 –––100
110 –––110
121 –––121
133 –––133
150 –––150
162 –––162
182 –––182
200 –––200
221 –––221
249 –––249
274 –––274
301 –––301
332 –––332
374 –––374
402 –––402
453 –––453
499 –––499
511 –––511
562 –––562
619 –––619
681 –––681
750 –––750
825 –––825
909 –––909
1,000 –––1K0
1,100 –––1K1
1,210 –––1K21
1,330 –––1K33
1,500 –––1K5
1,620 –––1K62
1,820 –––1K82
2,000 –––2K0
2,210 –––2K21
2,490 –––2K49
2,740 –––2K74
3,010 –––3K01
3,320 –––3K32
3,740 –––3K74
4,020 –––4K02
4,530 –––4K53
4,990 –––4K99
5,110 –––5K11
5,620 –––5K62
6,190 –––6K19
6,810 –––6K81
7,500 –––7K5
8,250 –––8K25
9,090 –––9K09
10,000 –––10K
10,500 –––10K5
11,000 –––11K
12,100 –––12K1
13,300 –––13K3
15,000 –––15K
16,200 –––16K2
18,200 –––18K2
20,000 –––20K
22,100 –––22K1
24,900 –––24K9
27,400 –––27K4
30,100 –––30K1
33,200 –––33K2
37,400 –––37K4
38,300 –––38K3
40,200 –––40K2
45,300 –––45K3
49,900 –––49K9
51,100 –––51K1
56,200 –––56K2
61,900 –––61K9
68,100 –––68K1
75,000 –––75K
82,500 –––82K5
90,900 –––90K9
100,000 –––100K
150,000 –––150K
200,000 –––200K
= 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.
LD
1.5 in. / 38.1mm
Ohmic value
81F––– 1
83F––– 3
85F––– 5
80F––– 10
Wattage
Part No.
Prefix
Suffix
Ohmic value
81F––– 1
83F––– 3
85F––– 5
80F––– 10
Wattage
Part No.
Prefix
Suffix
Ohmic value
81F––– 1
83F––– 3
85F––– 5
80F––– 10
Wattage
Part No.
Prefix
Suffix
Ohmic value
81F––– 1
83F––– 3
85F––– 5
80F––– 10
Wattage
Part No.
Prefix
Suffix
Ohmic value
85F––– 5
80F––– 10
Wattage
Part No.
Prefix
Suffix
orderinG information
81NJR10
80 Series
Acrasil®
Silicone Ceramic
Conformal Axial
Term. Wirewound
Resistance Value
R10 =0.10Ω
1R0 =1.0Ω
10R =10.0Ω
250 =250Ω
1K0 =1,000Ω
4K5 =4,500Ω
50K =50,000Ω
Tolerance
F= 1%
J= 5%
Wattage
1= 1W
2
3
5
0=10W
Non-Inductive Winding
Optional (blank = std. winding)
Ohmite’s highest quality conformal axial terminal silicone-ceram-
ic coated resistors for applications requiring high precision and
stability. These resistors have a low temperature coefficient and
maintain a high degree of stability under demanding conditions.
This product will
not be made avail-
able as RoHS
Compliant.
For RoHS
Compliant equiva-
lent, see 40 Series.
RW Series
Military grade
Resistance Value
R100 = 0.1�
1R00 = 1.0�
10R0 = 10.0�
1000 = 100�
1001 = 1000�
Tolerance
F= 1%
J= 5%
1002 = 10K�
1503 = 150K�
Commercial Grade
Military Grade
Check product availability at
www.ohmite.com
