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21JR10E Datasheet(PDF) 1 Page - Ohmite Mfg. Co.

Part No. 21JR10E
Description  Vitreous Enamel Conformal Axial Terminal Wirewound, 5% Tolerance Standard
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Manufacturer  OHMITE [Ohmite Mfg. Co.]
Direct Link  http://www.ohmite.com
Logo OHMITE - Ohmite Mfg. Co.

21JR10E Datasheet(HTML) 1 Page - Ohmite Mfg. Co.

  21JR10E Datasheet HTML 1Page - Ohmite Mfg. Co.  
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20
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
Ordering i nf O rma ti O n
St andard p ar t number S f O r 20 S erie S
Wattage
Part No.
Prefix 
Suffix
Wattage
Part No.
Prefix 
Suffix
Wattage
Part No.
Prefix 
Suffix
20 Series
Vitreous Enamel Conformal Axial Terminal
Wirewound, 5% Tolerance Standard
= 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
0.10 ––– R10
0.13 ––– R13
0.15 ––– R15
0.20 ––– R20
0.25 ––– R25
0.30 ––– R30
0.33 ––– R33
0.50 ––– R50
0.75 ––– R75
1
––– 1R0
1.5 –––1R5
2
–––2R0
2.2 –––2R2
3
–––3R0
4
–––4R0
5
–––5R0
7.5 –––7R5
10
–––10R
12
–––12R
15
–––15R
18
–––18R
20
–––20R
22
–––22R
25
–––25R
27
–––27R
30
–––30R
33
–––33R
35
–––35R
39
–––39R
40
–––40R
47
–––47R
50
–––50R
56
–––56R
62
–––62R
68
–––68R
75
–––75R
82
–––82R
100
–––100
120
–––120
125
–––125
150
–––150
180
–––180
200
–––200
220
–––220
225
–––225
250
–––250
270
–––270
300
–––300
330
–––330
350
–––350
390
–––390
400
–––400
450
–––450
470
–––470
500
–––500
560
–––560
600
–––600
680
–––680
750
–––750
800
–––800
820
–––820
900
–––900
1,000
–––1K0
1,100
–––1K1
1,200
–––1K2
1,500
–––1K5
1,800
–––1K8
2,000
–––2K0
2,200
–––2K2
2,500
–––2K5
2,700
–––2K7
3,000
–––3K0
3,300
–––3K3
3,500
–––3K5
3,900
–––3K9
4,000
–––4K0
4,500
–––4K5
4,700
–––4K7
5,000
–––5K0
6,000
–––6K0
6,800
–––6K8
7,000
–––7K0
7,500
–––7K5
8,000
–––8K0
9,000
–––9K0
10,000
–––10K
12,000
–––12K
13,000
–––13K
15,000
–––15K
17,000
–––17K
20,000
–––20K
22,000
–––22K
25,000
–––25K
30,000
–––30K
33,000
–––33K
35,000
–––35K
40,000
–––40K
50,000
–––50K
F EA T ur ES
• Rugged vitreous enamel coating
withstands high humidity and
temperature cycling.
• Durable construction, recom-
mended for industrial applica-
tions where reliability is para-
mount.
• All-welded construction.
• Flame resistant lead free vitre-
ous enamel coating.
• RoHS compliant; Add “E” suffix
to part number to specify.
S PEC i F i CA T i ONS
Material
Coating: Conformal
lead free vitreous enamel.
Core: Ceramic.
Terminals: Solder-coated axial.
RoHS solder composition is 96%
Sn, 3.5% Ag, 0.5% Cu
Derating
Linearly from
100% @ +25°C to
0% @ +350°C.
Electrical
Tolerance: ±5% standard.
Other tolerances available.
Power rating: Based on 25°C
free air rating (other wattages
available).
Overload:
Under 7 watts: 5 times rated
wattage for 5 seconds.
7 watts and over: 10 times rated
wattage for 5 seconds.
Temperature coefficient:
1 to 9.99 ohms: ±50 ppm/°C
10 ohms and over: ±30 ppm/°C
21JR10E
20 Series
Vitreous Enamel
Axial Lead
Wirewound
Resistance Value
R10 = 0.10
1R0 = 1.0
10R = 10.0
250 =
250
1K0 = 1,000
4K5 = 4,500
50K = 50,000
Tolerance
J = 5%
RoHS Compliant
Wattage
1= 1W
2
3
5
7
0= 10W
The 20 Series axial terminal resistors are both durable and
economical. They have all the electrical attributes of the more
expensive 90 Series resistors, including all-welded construction.
They offer the durability of a lead free conformal vitreous
enamel coating and are ideal for computer, communications and
industrial applications in which cost, quality, and reliability are
key considerations.
Dimensions (in. / mm)
Max.
Series Wattage Ohms
Length*
Diam.*
Volt.** Lead ga.
21
1
1.0-3.0K 0.406 / 10.3
0.156 / 4.0
75
24
22
2
1.0-3.0K 0.406 / 10.3
0.219 / 5.6
65
20
23
3
0.1-10K 0.500 / 12.7
0.220 / 5.6
135
20
25
5
0.1-28K 1.000 / 25.4
0.276 / 7.0
330
20
27
7
0.1-25K 1.250 / 31.8
0.394 / 10.0
450
20
20
10
0.1-100K 1.844 / 46.8
0.394 / 10.0
720
20
12.5 watt size available on special order
*For units below 1
Ω, add 15% to body diameter, 10% to body length.
**Maximum Voltage is based on Ohm’s Law [V=
√P*R] as limited by the resistance value
of specified product
Check product
availability at
ohmite.com


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