B20J12K5 [OHMITE]
RES 12.5K OHM 20W 5% AXIAL;型号: | B20J12K5 |
厂家: | OHMITE MFG. CO. |
描述: | RES 12.5K OHM 20W 5% AXIAL |
文件: | 总2页 (文件大小:269K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
200 Series
Brown Devil® Vitreous Enamel Power
Ohmite’s Brown Devil® is a small, exceptionally
durable power resistor. It features all-welded con-
struction and rugged, flame resistant conformal lead
free vitreous enamel coating to ensure successful
performance under high temperatures.
The wirewound 200 Series has a hollow-core con-
struction, which accommodates rigid mounting with
brackets or thru bolts.
F ꢁ at u ꢀ ꢁ S
Mounting brackets not included with resistors.
•ꢀRuggedꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating
•ꢀAll-weldedꢀconstruction.
•ꢀSelfꢀsupportingꢀterminalꢀmountingꢀoption.
•ꢀHigherꢀpowerꢀratings.
•ꢀFlame-resistantꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating.
•ꢀRoHSꢀcompliantꢀproductꢀavailable.ꢀAddꢀ“E”ꢀsuffixꢀtoꢀ
part number to specify.
SꢁꢀꢂꢁS SPꢁcꢂFꢂcatꢂONS
Series Wattage
Ohms
Lead Gauge Max. Voltage*
B5
B8
B12
B20
5.25
8.0
12.0
20.0
0.1-20K
0.03-25K
0.08-51K
0.1-100K
20
18
18
18
187
250
625
750
Non-Inductive versions available. Insert “N” before tolerance code.
Example: B5NJ10RE
Also available in low cost Centohm or Silicone coating. Consult Ohmite.
* Maximum Voltage is based on Ohm’s Law [V=√P*R] as limited by the resis-
tance value of specified product
chaꢀactꢁꢀꢂStꢂcS
lead-free vitreous enamel
Ceramic
Coating
Core
Tinned axial; RoHS solder composition is 96% Sn, 3.5%
Ag, 0.5% Cu
Terminals
Linearly from 100% @ +25°C to 0% @ +350°C
Derating
1Ω+: ±5%
Tolerance
under 1Ω: ±10%
Based on 25°C free air rating
Power rating
Overload
10 times rated wattage for 5 seconds
5Ω and under: ±400 ppm/°C
Above 5Ω: ±260 ppm/°C
Temperature coefficient
To calculate, use the formula √P/R
Max. amps
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
82
200 Series
Brown Devil® Vitreous Enamel Power
dꢂmꢁNSꢂONS
(in. / mm)
1.50 in. -0/+0.25
Series Wattage
L
D
C
Lead Gauge
38.10 mm -0/+6.35
B5
5.25
8.0
0.625 / 15.88
1.000 / 25.40
1.750 / 44.45
2.000 / 50.80
0.250 / 6.35
0.313 / 7.94
0.313 / 7.94
0.438 / 11.11
0.135 / 3.43
0.188 / 4.76
0.188 / 4.76
0.250 / 6.35
20
18
18
18
B8
B12
B20
12.0
20.0
D
C
L
OꢀdꢁꢀꢂNg ꢂNFOꢀmatꢂON
Standard Values
Wattage
Wattage
Wattage
Wattage
Wattage
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
0.5 –––R50Eꢀ
ꢀ
ꢀ
20 –––20REꢀ
22 –––22REꢀ
24 –––24REꢀ
270 –––270Eꢀ
2,250 –––2K25Eꢀ ꢀ
16,000 –––16KEꢀ
ꢀ
ꢀ
1
–––1R0Eꢀ
300 –––300Eꢀ
ꢀ
2,400 –––2K4Eꢀ
2,500 –––2K5Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
17,500 –––17K5Eꢀ ꢀ
18,000 –––18KEꢀ
20,000 –––20KEꢀ
22,500 –––22K5Eꢀ ꢀ
1.1 –––1R1Eꢀ
1.2 –––1R2Eꢀ
1.3 –––1R3Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
330 –––330Eꢀ
ꢀ
ꢀ
25 –––25REꢀ
ꢀ
350 –––350Eꢀ
360 –––360Eꢀ
ꢀ
ꢀ
2,700 –––2K7Eꢀ
2,750 –––2K75Eꢀ ꢀ
27 –––27REꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
1.5 –––1R5Eꢀ
1.6 –––1R6Eꢀ
1.8 –––1R8Eꢀ
30 –––30REꢀ
33 –––33REꢀ
390 –––390Eꢀ
3,000 –––3K0Eꢀ
3,300 –––3K3Eꢀ
25,000 –––25KEꢀ
30,000 –––30KEꢀ
35,000 –––35KEꢀ
40,000 –––40KEꢀ
45,000 –––45KEꢀ
50,000 –––50KEꢀ
55,000 –––55KEꢀ
60,000 –––60KEꢀ
65,000 –––65KEꢀ
70,000 –––70KEꢀ
75,000 –––75KEꢀ
80,000 –––80KEꢀ
85,000 –––85KEꢀ
90,000 –––90KEꢀ
95,000 –––95KEꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
400 –––400Eꢀ
430 –––430Eꢀ
450 –––450Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
35 –––35REꢀ
36 –––36REꢀ
ꢀ
ꢀ
ꢀ
ꢀ
3,500 –––3K5Eꢀ
3,600 –––3K6Eꢀ
ꢀ
ꢀ
2
–––2R0Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
2.2 –––2R2Eꢀ
ꢀ
ꢀ
ꢀ
39 –––39REꢀ
40 –––40REꢀ
470 –––470Eꢀ
500 –––500Eꢀ
3,900 –––3K9Eꢀ
2.4 –––2R4Eꢀ
2.7 –––2R7Eꢀ
ꢀ
ꢀ
4,000 –––4K0Eꢀ
4,300 –––4K3Eꢀ
ꢀ
ꢀ
43 –––43REꢀ
47 –––47REꢀ
510 –––510Eꢀ
560 –––560Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
3
–––3R0Eꢀ
4,500 –––4K5Eꢀ
4,700 –––4K7Eꢀ
3.3 –––3R3Eꢀ
3.6 –––3R6Eꢀ
3.9 –––3R9Eꢀ
50 –––50REꢀ
ꢀ
600 –––600Eꢀ
620 –––620Eꢀ
650 –––650Eꢀ
680 –––680Eꢀ
700 –––700Eꢀ
750 –––750Eꢀ
ꢀ
51 –––51REꢀ
56 –––56REꢀ
62 –––62REꢀ
68 –––68REꢀ
75 –––75REꢀ
82 –––82REꢀ
5,000 –––5K0Eꢀ
5,100 –––5K1Eꢀ
5,600 –––5K6Eꢀ
6,000 –––6K0Eꢀ ꢀ
6,200 –––6K2Eꢀ
6,800 –––6K8Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
4
–––4R0Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
4.3 –––4R3Eꢀ
4.7 –––4R7Eꢀ
5
ꢀ
–––5R0Eꢀ
ꢀ
800 –––800Eꢀ
ꢀ
5.1 –––5R1Eꢀ
5.6 –––5R6Eꢀ
6.2 –––6R2Eꢀ
6.8 –––6R8Eꢀ
7.5 –––7R5Eꢀ
8.2 –––8R2Eꢀ
91 –––91REꢀ
100 –––100Eꢀ
820 –––820Eꢀ
7,000 –––7K0Eꢀ
ꢀ
100,000 –––100KEꢀ ꢀ
= Standard values; check
availability at www.ohmite.com
900 –––900Eꢀ
910 –––910Eꢀ
ꢀ
ꢀ
7,500 –––7K5Eꢀ
8,000 –––8K0Eꢀ
8,200 –––8K2Eꢀ
110 –––110Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
These values involve very fine
resistance wire and should not
be used in critical applications
without burn-in and/or thermal
cycling:
120 –––120Eꢀ
1,000 –––1K0Eꢀ
1,100 –––1K1Eꢀ
1,200 –––1K2Eꢀ
1,250 –––1K25Eꢀ ꢀ
1,300 –––1K3Eꢀ
1,500 –––1K5Eꢀ
125 –––125Eꢀ
130 –––130Eꢀ
ꢀ
ꢀ
8,500 –––8K5Eꢀ
9,000 –––9K0Eꢀ
9,100 –––9K1Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
9.1 –––9R1Eꢀ
10 –––10REꢀ
150 –––150Eꢀ
160 –––160Eꢀ
180 –––180Eꢀ
200 –––200Eꢀ
220 –––220Eꢀ
ꢀ
10,000 –––10KEꢀ
B5: 6.8K-20KΩ
B8: 12.5K-25KΩ
B12: 30K-51KΩ
B20: 22.5K-100KΩ
11 –––11REꢀ
12 –––12REꢀ
13 –––13REꢀ
15 –––15REꢀ
ꢀ
ꢀ
ꢀ
11,000 –––11KEꢀ
ꢀ
ꢀ
1,600 –––1K6Eꢀ
1,750 –––1K75Eꢀ ꢀ
1,800 –––1K8Eꢀ
ꢀ
ꢀ
ꢀ
12,000 –––12KEꢀ
ꢀ
ꢀ
ꢀ
12,500 –––12K5Eꢀ ꢀ
13,000 –––13KEꢀ
225 –––225Eꢀ
240 –––240Eꢀ
250 –––250Eꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
16 –––16REꢀ
18 –––18REꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
2,000 –––2K0Eꢀ
2,200 –––2K2Eꢀ
13,500 –––13K5Eꢀ ꢀ
ꢀ
ꢀ
15,000 –––15KEꢀ
Coating
Blank = Vitreous
C = Centohm
Non-Inductive
Winding
Made-to-order Parts
Optional (blank
RoHS
Compliant
Non-Inductive Winding
Optional (blank
Core Diameter
S = Silicone Wattage = std. winding)
See “Core and
RoHS
Compliant
= std. winding)
Terminal Selection”
2 0 0 N 8 D 5 R 0 0 0 J E
See web-
site for
Series
Tolerance Ohms
F = 1%
H = 3%
1R0 = 1Ω
250 = 250Ω
1K0 = 1,000Ω
Coating
Wattage
Ohms
Tolerance
F = 1%
H = 3%
custom
core info
J
= 5%
200 = Vitreous
400 = Silicone
Ceramic
3
5.25
8
R500 = 0.500Ω
1R00 = 1Ω
250R = 250Ω
1K00 = 1,000Ω
25K0 = 25,000Ω
25K5 = 25,500Ω
K = 10% 25K = 25,000Ω
25K5 = 25,500Ω
J
=
5%
12
20
K = 10%
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
83
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