83FR499 Ohmite, 83FR499 Datasheet
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83FR499
Manufacturer Part Number
83FR499
Description
3W 0.499 OHMS SILICONE 1%
Manufacturer
Ohmite
Series
83r
Type
Wirewound Resistorr
Datasheet
1.80F100K.pdf
(1 pages)
Specifications of 83FR499
Brand/series
Acrasil®? 80 Series
Diameter, Lead Wire
20 AWG
Dielectric Strength
1000 VAC
Dimensions
0.593 in. Body Length x 0.218 in. Body Dia.
Length, Lead
1.5 in.
Material, Element
Wirewound
Package Type
Silicone-Ceramic
Power, Rating
3 W
Resistance
0.499 Ohms
Temperature Coefficient
±90 ppm⁄°C
Termination
Axial
Tolerance
±1 %
Voltage, Rating
200 VDC
Power Rating
3 Watts
Termination Style
Axial
Product
Power Resistors Wire Wound Silicon Coated
Lead Free Status / Rohs Status
No
80 Series
Commercial Grade Acrasil
Conformal Axial Terminal Wirewound
RW Series
Military Grade 80 Series MIL-R-26 Qualified
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.
22
0.1
0.11
0.121 –––R121
0.133 –––R133
0.15
0.162 –––R162
0.182 –––R182
0.2
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
0.825 –––R825
0.909 –––R909
1
1.1
1.21
1.330 –––1R33
1.5
1.62
1.82
2
1% Tol. (5% avail.)
Non-Inductive versions available. Insert “N” before tolerance code. Example: 83NF2K21
Comm. Military
Grade
81F
82
83F
83J
85F
85J
80F
80J
–––R10
–––R11
–––R15
–––R20
–––R75
–––1R0
–––1R1
–––1R21
–––1R5
–––1R62
–––1R82
–––2R0
Ohmite Mfg. Co.
Part No.
Prefix
Suffix
RW70U
RW79U
RW74U
RW78U
RW69V
RW67V
RW68V
Grade
1.5 / 38.1
Wattage
Watts Ohms
10 0.1-150K 1.842 / 46.8 0.406 /10.3
1
2
3
5
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
0.1-20K
0.1-75K
0.1-6K
0.1-8K
10
11
12.1
13.3
15
16.2
18.2
20
22.1
24.9
27.4
30.1
33.2
37.4
40.2
45.3
49.9
2.21
2.49
2.74
3.01
3.32
3.74
4.02
4.53
4.99
5.11
5.62
6.19
6.81
7.5
8.25
9.09
0.437 / 11.1 0.125 / 3.2
0.406 / 10.3 0.219 / 5.6
0.593 / 15.1 0.218 / 5.5
0.937 / 23.8 0.343 / 8.7
L
Dimensions (in. / mm)
Length
–––2R21
–––2R49
–––2R74
–––3R01
–––3R32
–––3R74
–––4R02
–––4R53
–––4R99
–––5R11
–––5R62
–––6R19
–––6R81
–––7R5
–––8R25
–––9R09
–––10R
–––11R
–––12R1
–––13R3
–––15R
–––16R2
–––18R2
–––20R
–––22R1
–––24R9
–––27R4
–––30R1
–––33R2
–––37R4
–––40R2
–––45R3
–––49R9
Part No.
Prefix
Suffix
®
‚ Silicone-Ceramic
C O M M E R C I A L G R A D E P A R T N U M B E R S
Wattage
Diam.
D
Voltage ga.
1000
150
100
200
460
1,000
1,100
100
110
121
133
150
162
182
200
221
249
274
301
332
374
402
453
499
511
562
619
681
750
825
909
51.1 –––51R1
56.2 –––56R2
61.9 –––61R9
68.1 –––68R1
75
82.5 –––82R5
90.9 –––90R9
Lead
24
20
20
18
18
Part No.
Prefix
Suffix
–––75R
–––100
–––110
–––121
–––133
–––150
–––162
–––182
–––200
–––221
–––249
–––274
–––301
–––332
–––374
–––402
–––453
–––499
–––511
–––562
–––619
–––681
–––750
–––825
–––909
–––1K0
–––1K1
F E A T U R E S
• Designed for precision power
• All-welded construction
• RW Series “Mil” value resistors
S P E C I F I C A T I O N S
Material
Coating: Silicone-ceramic.
Core: Ceramic.
Terminals: Solder-coated copper
Derating: Linearly from
applications
marked with “Mil” in accordance
with MIL-R-26 specifications
clad axial.
100% @ +25°C to
Commercial Grade
Military Grade
RW Series
Military grade
80 Series
Acrasil
Silicone Ceramic
Conformal Axial
Term. Wirewound
� � � � � � � � � �
Wattage
0% @ +275°C.
O R D E R I N G I N F O R M A T I O N
®
8 1
10,000
10,500
11,000
12,100
13,300
15,000
16,200
18,200
20,000
22,100
24,900
Wattage
1 = 1W
2
3
5
0 = 10W
1,210
1,330
1,500
1,620
1,820
2,000
2,210
2,490
2,740
3,010
3,320
3,740
4,020
4,530
4,990
5,110
5,620
6,190
6,810
7,500
8,250
9,090
N
Non-Inductive Winding
Optional (blank = std. winding)
Resistance Value
R100 = 0.1�
1R00 = 1.0�
10R0 = 10.0�
1000 = 100�
1001 = 1000�
J R 1 0
Tolerance
F= 1%
J = 5%
Part No.
Prefix
Suffix
–––1K21
–––1K33
–––1K5
–––1K62
–––1K82
–––2K0
–––2K21
–––2K49
–––2K74
–––3K01
–––3K32
–––3K74
–––4K02
–––4K53
–––4K99
–––5K11
–––5K62
–––6K19
–––6K81
–––7K5
–––8K25
–––9K09
–––10K
–––10K5
–––11K
–––12K1
–––13K3
–––15K
–––16K2
–––18K2
–––20K
–––22K1
–––24K9
Resistance Value
R10 = 0.10Ω
1R0 = 1.0Ω
10R = 10.0Ω
250 =
1K0 = 1,000Ω
4K5 = 4,500Ω
50K = 50,000Ω
1002 = 10K�
1503 = 150K�
Wattage
Tolerance
F = 1%
J = 5%
Electrical
Tolerance: ±5% (J type),
Power rating: Based on 25°C free
Maximum ohmic values:
Overload: Under 5 watts: 5 times
Temperature coefficient:
Dielectric withstanding voltage:
250Ω
±1% (F type)
(other tolerances available).
air rating.
See chart.
rated wattage for 5 seconds. 5
watts and over: 10 times rated
wattage for 5 seconds.
Under 1Ω: ±90 ppm/°C
1 to 9.99Ω: ±50 ppm/°C
10Ω and over: ±20 ppm/°C
500 VAC: 1 watt rating
1000 VAC: 2, 3, 5, 7 and
Check product availability at
100,000
150,000
200,000
= Standard values
= Non-standard values
10 watt rating
27,400
30,100
33,200
37,400
38,300
40,200
45,300
49,900
51,100
56,200
61,900
68,100
75,000
82,500
90,900
Shaded values involve
very fine resistance wire
and should not be used
in critical applications
without burn-in and/or
thermal cycling.
www.ohmite.com
This product will
not be made avail-
able as RoHS
Compliant.
For RoHS
Compliant equiva-
lent, see 40 Series.
subject to minimum
handling charge per
item
Part No.
Prefix
Suffix
–––27K4
–––30K1
–––33K2
–––37K4
–––38K3
–––40K2
–––45K3
–––49K9
–––51K1
–––56K2
–––61K9
–––68K1
–––75K
–––82K5
–––90K9
–––100K
–––150K
–––200K
Wattage