F40K25K Просмотр технического описания (PDF) - Ohmite Mfg. Co.
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F40K25K Datasheet PDF : 4 Pages
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250 Series
‘Thin’ Stackohm®
Vitreous Enamel Power
Co r e a n d T e r m i n a l S e l e c t i on
For Made to Order Type 250 Stackohm Resistors
Code
Free Air
Wattage
Core Dimensions†
Max.
for
Min. Practical Core Fig.
Rating*
Length L
Width W
Thickness T Ohms Ohms Dia. No.
Dimension A
Miniature
10 0.750” (19.050mm)
15 1.000” (25.400mm)
20 2.000” (50.800mm)
12 0.688” (17.463mm)
Intermediate
21 1.000” (25.400mm)
25 1.500” (38.100mm)
Standard
30 1.250” (31.750mm)
0.375” (9.525mm)
0.375” (9.525mm)
0.375” (9.525mm)
0.594” (15.081mm)
0.813” (20.638mm)
0.813” (20.638mm)
1.000” (25.400mm)
0.125” (3.175mm)
0.125” (3.175mm)
0.125” (3.175mm)
0.234” (5.953mm)
0.250” (6.350mm)
0.250” (6.350mm)
0.250” (6.350mm)
40 2.000” (50.800mm) 1.000” (25.400mm) 0.250” (6.350mm)
55 3.500” (88.900mm) 1.000” (25.400mm) 0.250” (6.350mm)
70 4.750” (120.650mm) 1.000” (25.400mm) 0.250” (6.350mm)
95 6.000” (152.400mm) 1.000” (25.400mm) 0.250” (6.350mm)
1 15,000 TA
1
1 25,000 TA
1
1 50,000 TA
1
1 20,000 TB
**
1
8,000 TD
2
1 15,000 TD
2
1
10,000
TE
5
3, 4
1
25,000
TE
5
3, 4
1
30,000
TE
5
3, 4
1 120,000‡ TE
5
3, 4
1 150,000‡ TE
5
3, 4
1.000” (25.400mm)
1.250” (31.750mm)
2.313” (58.750mm)
1.313” (33.350mm)
1.813” (46.050mm)
1.750” (44.450mm)
2.000” (50.800mm)
2.500” (63.500mm)
2.750” (69.850mm)
4.000” (1.1.600mm)
4.250” (107.950mm)
5.250” (133.350mm)
5.500” (139.700mm)
6.500” (165.100mm)
6.750” (171,450mm)
Standard
Dimension B Terminal
0.375” (9.525mm)
51
0.375” (9.525mm)
51
0.375” (9.525mm)
51
51
0.594” (15.081mm)
51
0.594” (15.081mm)
51
0.938” (23.813mm) 57
0.938” (23.813mm) 57
0.938” (23.813mm) 57
0.938” (23.813mm)
57
0.938” (23.813mm)
57
*Based on mounting on steeel panel 10” (254mm) x 10” x 0.040” (1.016mm).
†Inside dimensions of core are: 0.250” (6.350mm) x 0.047” (1.191mm) for TA; 0.406”
(10.319mm) x 0.047” (1.191mm) for TB; 0.438” (11.113mm) x 0.063” (1.588mm) for TD;
0.672” (17.069mm) x 0.063” (1.588mm) for TE.
‡These sizes are Ohmicone (silicone-ceramic) coated–type 450-460.
**User supplies brackets.
o r d e r i n g i nfo r m a t i on
Series
RoHS Compliant Made-to-order Parts
Coating Wattage
Blank = Vitreous
C = Centohm
S = Silicone
Tolerance
F = 1%
H = 3%
J = 5%
K = 10%
Ohms
1R0 = 1Ω
250 = 250Ω
1K0 = 1,000Ω
25K = 25,000Ω
25K5 = 25,500Ω
Standard Values
Wattage
See web-
site for
custom
core info
Terminal Type
See “Resistor Terminals for Tubular Cores”
Tolerance RoHS
J = 5% Compliant
Series
Wattage &
Mounting Brackets
Ohms
Vitreous enamel: Core Code
(user supplies bracket for core TB) Example:
25 = 250 Fixed
See “Core and
B = Stacking box
1R00 = 1Ω
26 = 260 Adjustable Terminal Selection” S = Stacking stud, std. height
250R = 250Ω
Silicone ceramic:
45 = 450 Fixed
46 = 460 Adjustable
H = Stacking stud high
U = Unit type
1K00 = 1,000Ω
25K0 = 25,000Ω
25K5 = 25,500Ω
Wattage
Wattage
Part No.
Prefix
Suffix
1 –––1R0E
1.5 –––1R5E
2 –––2R0E
3 –––3R0E
4 –––4R0E
5 –––5R0E
7.5 –––7R5E
10 –––10RE
15 –––15RE
20 –––20RE
25 –––25RE
30 –––30RE
40 –––40RE
Part No.
Prefix
Suffix
50 –––50RE
75 –––75RE
100 –––100E
150 –––150E
200 –––200E
250 –––250E
300 –––300E
400 –––400E
500 –––500E
750 –––750E
800 –––800E
1,000 –––1K0E
1,250 –––1K25E
Part No.
Prefix
Suffix
1,500 –––1K5E
2,000 –––2K0E
2,500 –––2K5E
3,000 –––3K0E
4,000 –––4K0E
5,000 –––5K0E
6,000 –––6K0E
7,500 –––7K5E
10,000 –––10KE
15,000 –––15KE
20,000 –––20KE
25,000 –––25KE
40,000 –––40KE
112
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
= Standard values;
check availability at
www.ohmite.com
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