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參數資料
| 型號： | WW4TC90 |
| 廠商： | Willow Technologies Limited |
| 英文描述： | FLAMEPROOF WIREWOUND RESISTORS |
| 中文描述： | 隔爆型繞線電阻 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 119K |
| 代理商： | WW4TC90 |
WW-SERIES
PRODUCT BULLETIN
DEDICATION TO EXCELLENCE
FLAMEPROOF WIREWOUND RESISTORS
L
D
d
Temperature
TC20 = ±20PPM/°C, 10 ohm and above.
TC50 = ±50PPM/°C, 1 ohm - 9.9 ohm.
TC90 = ±90PPM/°C, below 1 ohm.
Resistance Tolerance
Resistance Value
Temperature Coefficient
Type
TC20
±1%
WW1
Sample Part Number
How to Order
7.5K
S
Options
Wattage
U
Resistance
Range
Voltage
U
V
Style
PRP
WW1/2
WW2
WW3
WW4
WW5
.75
1.0
1.0
1.5
2.0
3.0
2.6
3.6
4.0
5.0
5.0
6.5
0.1
32
44
65
130
210
360
WW1
Style
PRP
L
.266 ± .015
DIMENSIONS Inches
D
Lead Dia. (d)
.025 *
.025 *
.400 ± .030
.460 ± .030
.490 ± .030
.550 ± .030
.910 ± .030
.095 ± .015
.100 ± .030
.175 ± .030
.220 ± .030
.295 ± .030
.210 ± .030
.032
.032
.032
.032
1.375" Min.
S = Standard
N = Non-Inductive
Subject to change without notice
Continued on reverse side
1 TO 10 WATT
0.1% THRU 10% TOLERANCE
SILICONE COATED
HIGH PURITY CERAMIC CORE
STAINLESS STEEL END CAPS
TINNED COPPER-CLAD STEEL LEADS
WELDED CONSTRUCTION
PACKAGED TAPE & REEL OR BULK
AVAILABLE IN NON-INDUCTIVE STYLE
MEETS REQUIREMENTS FOR MIL-R-26
Dimensions
Specifications
in.
.015
mm
0.38
.025
.030
.032
.060
.095
.100
.175
.210
.220
.266
.295
.400
.460
.490
.550
.910
1.25
1.75
0.64
0.76
0.81
1.52
2.41
2.54
4.45
5.33
5.59
6.76
7.49
10.2
11.7
12.4
14.0
23.1
31.8
44.5
.020
0.5
Dimensional
Correlation
WW7
WW10
7.0
8.0
10.0
11.0
490
632
V
44
54
77
147
250
410
530
700
to 5.23K
0.1
to 5.0K
.02
to 7.2K
.01
to 9.5K
0.1
to 14.0K
.01
to 42.0K
0.1
to 63.0K
0.1
to 92.0K
1.250 ± .060
1.750 ± .060
.295 ± .030
.295 ± .030
.032
.032
WW1/2
WW2
WW3
WW4
WW5
WW1
WW7
WW10
* ALSO AVAILABLE IN .020
WILLOW TECHNOLOGIES LTD.
SHAWLANDS COURT, NEWCHAPEL ROAD
LINGFIELD, SURREY, RH7 6BL, ENGLAND
Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306
E-mail
rob@willow.co.uk
Website
http://www.willow.co.uk
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