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参数资料
| 型号： | MCW0406MD4990BP100 |
| 厂商： | Vishay Beyschlag |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | RES 499 OHM 1/4W .1% 0406 WIDE |
| 标准包装： | 1 |
| 系列： | MCW0406 - 汽车, 精密型 |
| 电阻（欧姆）： | 499 |
| 功率（瓦特）： | 0.25W，1/4W |
| 复合体： | 薄膜 |
| 温度系数： | ±25ppm/°C |
| 容差： | ±0.1% |
| 封装/外壳： | 0604（1610 公制）宽（长侧）0406（1016 公制） |
| 尺寸/尺寸： | 0.039" L x 0.063" W（1.00mm x 1.60mm） |
| 高度： | 0.014"（0.35mm） |
| 端子数： | 2 |
| 包装： | 标准包装 |
| 其它名称： | MCW0406-499-MBDKR |
MCW 0406 AT - Precision
www.vishay.com
FUNCTIONAL PERFORMANCE
100
80
60
40
20
0
Standard Mode
Power Mode
Vishay Beyschlag
- 50
0
50
70
100
125
155
175
Ambient Temperature in °C
Derating
Note
? For the permissible resistance change in each operation mode please refer to table MAXIMUM RESISTANCE CHANGE AT RATED
DISSIPATION, above.
TESTS AND REQUIREMENTS
All tests are carried out in accordance with the following
specifications:
EN 60115-1, generic specification
EN 140400, sectional specification
EN 140401-801, detail specification
The testing also covers most of the requirements specified
by EIA/ECA-703 and JIS-C-5201-1.
The tests are carried out under standard atmospheric
conditions in accordance with IEC 60068-1, 5.3. A climate
category is applied, defined by the lower category
temperature (LCT), the upper category temperature (UCT),
and the number of days of the damp heat, steady-state test
(56).
TEST PROCEDURES AND REQUIREMENTS
Unless otherwise specified the following values apply:
Temperature: 15 °C to 35 °C
Relative humidity: 45 % to 75 %
Air pressure: 86 kPa to 106 kPa (860 mbar to 1060 mbar).
The components are mounted for testing on boards in
accordance with EN 140400, 2.3.3 unless otherwise
specified.
The requirements stated in the Test Procedures and
Requirements table are based on the required tests and
permitted limits of EN 140401-801. However, some
additional tests and a number of improvements against
those minimum requirements have been included. ?
EN ?
60115-1 ?
CLAUSE
IEC
60068-2
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
PERMISSIBLE CHANGE ( ? R )
Stability for product types:
MCW 0406 AT
1 ? to 100 k ?
4.5
-
Resistance
± 0.1 % R
4.8.4.2
-
Temperature
coefficient
At (20/-55/20) °C and
(20/155/20) °C
± 15 ppm/K;
± 25 ppm/K
U =
P 70 x R or U = U max. ;
P 70 x R or U = U max. ;
4.25.1
-
Endurance at 70 °C:
Standard operation mode
whichever is the less severe;
1.5 h on; 0.5 h off;
70 °C; 1000 h
70 °C; 8000 h
U =
± (0.1 % R + 0.02 ? )
± (0.2 % R + 0.02 ? )
Revision: 29-Jan-14
Endurance at 70 °C:
Power operation mode
whichever is the less severe;
1.5 h on; 0.5 h off;
70 °C; 1000 h
70 °C; 8000 h
5
± (0.2 % R + 0.02 ? )
± (0.4 % R + 0.05 ? )
Document Number: 28847
For technical questions, contact: thinfilmchip@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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