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參數(shù)資料
| 型號(hào)： | MMA0204 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Professional MELF Resistors |
| 中文描述： | 專業(yè)MELF電阻 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 212K |
| 代理商： | MMA0204 |
www.vishay.com
20
For technical questions contact:
ff3bresistors@vishay.com
Document Number: 28713
Revision: 18-Jul-06
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
Professional MELF Resistors
TEST AND REQUIREMENTS
All tests are carried out in accordance with the following
specifications:
EN 60115-1, generic specification
EN 140400, sectional specification
EN 140401-803, detail specification
The components are approved in accordance with the
IECQ-CECC-system, where applicable. For the full test
schedule refer to the documents listed above. The testing
also covers most of the requirements specified by
EIA/IS-703 and JIS-C-5202.
The tests are carried out in accordance with IEC 60068* and
under standard atmospheric conditions in accordance with
IEC 60068-1, 5.3*. Climatic category LCT/UCT/56 (rated
temperature range: Lower Category Temperature, Upper
Category Temperature; damp heat, long term, 56 days) is valid.
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 1 060 mbar).
The components are mounted for testing on printed-circuit
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 140401-803. However, some
additional tests and a number of improvements against those
minimum requirements have been included. The stated
requirements for long-term tests are typically fulfilled with a
statistical safety of at least + 5 s.
x
TEST PROCEDURES AND REQUIREMENTS
EN
60115-1
CLAUSE
IEC
60068-2*
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
PERMISSIBLE CHANGE (
Δ
R
)
STABILITY
CLASS 0.5
OR BETTER
STABILITY CLASS
0.25
OR BETTER
STABILITY CLASS
1
OR BETTER
STABILITY
CLASS 2
OR BETTER
stability for product
types:
MMU 0102
MMA 0204
MMB 0207
-
at 20/- 55/20 °C and
20/125/20 °C
U
=
≤
U
max
;
1.5 h on; 0.5 h off;
10
Ω
to 221k
Ω
10
Ω
to 332 k
Ω
10
Ω
to 1 M
Ω
± 1 %
R
; ± 0.5 %
R
1
Ω
to < 10
Ω
1
Ω
to < 10
Ω
1
Ω
to < 10
Ω
± 2 %
R
; ± 1 %
R
± 50 ppm/K; ± 25 ppm/K
< 1
Ω
< 1
Ω
< 1
Ω
± 5 %
R
> 221 k
Ω
> 332 k
Ω
> 1 M
Ω
± 1 %
R
4.5
4.8.4.2
-
-
resistance
temperature
coefficient
4.25.1
-
endurance at
70 °C: standard
operation mode
70 °C; 1000 h
± (0.15 %
R
+ 10 m
Ω
)
± (0.5 %
R
+ 10 m
Ω
)
70 °C; 8000 h
± (0.3 %
R
+ 10 m
Ω
)
± (1 %
R
+ 10 m
Ω
)
endurance at
70 °C: power
operation mode
U
=
≤
U
max
;
1.5 h on; 0.5 h off;
70 °C; 1000 h
± (0.25 %
R
+ 10 m
Ω
)
± (0.5 %
R
+ 10 m
Ω
)
± (0.25 %
R
+ 5 m
Ω
)
± (0.5 %
R
+ 5 m
Ω
)
± (0.5 %
R
+ 10 m
Ω
)
± (1 %
R
+ 10 m
Ω
)
+ (1 %
R
+ 5 m
Ω
)
+ (2 %
R
+ 5 m
Ω
)
70 °C; 8000 h
125 °C; 1000 h
4.25.3
-
endurance at
upper category
temperature
damp heat,
steady state
± (0.15 %
R
+ 5 m
Ω
)
± (0.3 %
R
+ 5 m
Ω
)
± (0.5 %
R
+ 5 m
Ω
)
± (1 %
R
+ 5 m
Ω
)
155 °C; 1000 h
4.24
78 (Cab)
(40 ± 2) °C;
56 days;
(93 ± 3) % RH
± (0.15 %
R
+ 10 m
Ω
) ± (0.5 %
R
+ 10 m
Ω
)
± (1 %
R
+ 10 m
Ω
)
± (1 %
R
+ 10 m
Ω
)
P
70
R
×
P
70
R
×
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