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參數(shù)資料
| 型號： | W22-4K3JI |
| 英文描述： | RESISTOR 4K3 7W ((NS)) |
| 中文描述： | 電阻4K3 7瓦（（NS）的） |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 106K |
| 代理商： | W22-4K3JI |
A
f
1
f
2
6
6
10
±
0.5
f
1
– f
2
≤
1.4 mm
Performance Data
CECC 40201-002
Requirements
ACTUAL PERFORMANCE
Maximum
5
5
2
0.03
see derating curve
1.0
0.5
Typical
3.5
3.5
1
0.02
Load at commercial rating: 1000 hrs at 25°c
Load at CECC rating: 1000 hours at 25°c
Dry heat: 1000 hours at 200°c
Shelf life: 12 months at room temperature
Derating
Short term overload
Climatic
Climatic category
Long term damp heat
Temperature rapid change
Resistance to solder heat
Vibration and bump
Noise (in decade of frequency)
Robustness
Insulation resistance
Voltage Proof
Pulse handling data
R%
R%
R%
R%
5
5
not specified
R%
R%
R%
R%
R%
R%
R%
μv/v
R%
Ohms
volts
1
5
0.2
0.2
55/200/56
5
1
1
1
not specified
1
not specified
not specified
0.05
0.5
0.25
0.25
zero
0.4
0.02
0.2
0.03
0.05
zero
0.05
>.1G ohm
500 min
>.1G ohm
500 min
available by request
APPLICATION NOTES
The termination should not be bent closer than
1.6mm from the body, and the recommended
minimum bend radius is 1.2mm. The terminations
are solderable to within 4mm from the body.
When cold, vitreous enamel has excellent insulation
resistance. In common with all insulants
the specific resistance of the enamel decreases with
increase in temperature. Therefore, resistors
operated at near maximum temperature cannot be
classed as insulated and should not be used in
contact with any conducting material. Care must be
taken when determining clearance distance between
Vitreous Enamelled
Wirewound Resistors
W20 SERIES
STANDARD QUANTITIES PER PACKAGE
Type
Ammo Pack
Reel
Small Box
W21
1000
1000
N/A
W215
750
750
N/A
W22
500
700
N/A
W23
N/A
N/A
50
W24
N/A
N/A
25
Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, England Tel: 01670 822181 Fax: 01670 829465 Web: http://www.Welwyn-TT.co.uk
Issue A 07/99
25 70 200 315
Ambient temperature
°
C
116
100
54
0
Derating Curve
%
Type
W21
W215
W22
A
63±2
73±2
73±2
PACKAGING
For W21 and W215 the standard method of
packaging is taped in Ammo Packs. For W22 the
standard method of packaging is taped and reeled.
Alternatives available by special request are detailed
in the table below.
W23’s and W24’s are available only as loose packed
in boxes. W series resistors can bbe supplied
preformed. Contact factory for details.
the resistor body and the printed circuit board or
other components to ensure these are not over
heated. Resistance is measured 6mm from body.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W224K7JI | 制造商:TT Electronics / Welwyn 功能描述:Res Wirewound 4.7K Ohm 5% 7W |
| W22-4K7JI | 功能描述:線繞電阻器 - 透孔 7Watt 4.7K ohm 5% RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
| W22-4R70J | 制造商:TT Electronics / IRC 功能描述:RESISTOR WIREWOUND 4.7OHM 7W 5% 制造商:TT Electronics / IRC 功能描述:RESISTOR, WIREWOUND, 4.7OHM, 7W, 5% 制造商:TT Electronics / IRC 功能描述:RESISTOR, WIREWOUND, 4.7 OHM, 7W, 5%; Product Range:INTERNATIONAL RESISTIVE - W22 Series; Resistance:4.7ohm; Power Rating:7W; Resistance Tolerance: 5%; Resistor Case Style:Axial Leaded; Resistor Element Type:Ceramic; No. of Pins:2 ;RoHS Compliant: Yes |
| W224R70JR | 功能描述:線繞電阻器 - 透孔 4.7ohm 7watt 5% RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
| W224R70JRLF | 功能描述:線繞電阻器 - 透孔 4.7ohm 7watt 5% RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
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