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参数资料
| 型号： | RC55Y-1K78BI |
| 英文描述： | WIDERSTAND PRAEZISION METALL 1K78 0.25W |
| 中文描述： | WIDERSTAND精密金属1K78 0.25W |
| 文件页数： | 2/3页 |
| 文件大小： | 145K |
| 代理商： | RC55Y-1K78BI |
Performance Data
CECC 40101-004 CECC 40101-804 *ACTUAL PERFORMANCE
REQUIREMENTS REQUIREMENTS
MAXIMUM
0.3
0.3
**1.0
0.1
TYPICAL
0.1
0.05
0.15
0.03
Load at commercial rating: 1000 hours at 70°C
R%
Load at CECC rating: 1000 hours at 70°C
Dry heat: 1000 hours at 155°C
Shelf life: 12 months at room temperature
Derating from rated power at 70°C
Short term overload
Climatic
Climatic category
Long term damp heat
Temperature rapid change
Resistance to solder heat
Vibration and bump
Noise (in a decade of frequency)
Voltage coefficient of resistance
R%
R%
R%
0.5
0.5
0.5
0.5
Not specified
Zero at 155°C
0.1
0.5
55/155/56
0.5
0.1
0.1
0.1
Not specified
Not specified
Not specified
50% at 125°C
0.1
0.5
55/125/56
0.5
0.1
0.1
0.1
Not specified
Not specified
R%
R%
0.1
0.3
0.02
0.1
55/155/56
0.5
**0.2
0.06
0.06
1.0
R%
R%
R%
R%
μV/V
ppm/V
0.1
0.05
0.03
0.02
0.1
<1
Note: *An 0.01 ohm addition to be added to the performance claims of all resistors <10R.
** All products within the specified approved range meet CECC requirements.
Precision Metal
Film Resistors
RC SERIES
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
CONSTRUCTION
A metal film is deposited onto a high quality ceramic
former. Nickel-plated steel caps are force fitted to the
former and termination wires are welded to the caps.
The resistor is adjusted to value by a helical cut in
the film and the body is protected with a specially
formulated epoxy coating.
TERMINATIONS
Material
Strength
Solder coated copper wire
The terminations meet the
requirements of IEC 68.2.21.
The terminations meet the
requirements of IEC 115-1,
Clause 4.17.3.2.
Solderability
MARKING
Type reference, TCR code, resistance value and
tolerance code.
The resistance values conform to IEC 62.
SOLVENT RESISTANCE
The body protection and marking are resistant to all
normal industrial cleaning solvents suitable for
printed circuits.
Physical Data
Dimensions (mm) & Weight (g)
PCB
Min.
Bend
Radius
0.6
0.6
1.2
mounting
centres
10.2
12.7
18.4
Type
RC55
RC65
RC70
L max
7.2
10.0
15.5
D max
2.5
3.7
5.5
f min
30
30
30
d nom
0.6
0.6
0.8
Wt. nom
0.24
0.40
1.15
L
D
f
d
174
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相关代理商/技术参数 |
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| RC55Y-1K82BI | 功能描述:金属膜电阻器 - 透孔 1.82Kohms 0.1% RoHS:否 制造商:IRC 电阻:63.4 kOhms 容差:1 % 功率额定值:100 mW 电压额定值:200 V 温度系数:100 PPM / C 端接类型:Axial 工作温度范围: 尺寸:2.3 mm Dia. x 6.4 mm L 封装:Bulk |
| RC55Y-1K87BI | 制造商:TT Electronics / Welwyn 功能描述:RC55Y precision resistor, 1k87 0.25W |
| RC55Y-1K8BI | 制造商:TT Electronics / Welwyn 功能描述: 制造商:Welwyn Components 功能描述: |
| RC55Y-1K91BI | 制造商:TT Electronics / Welwyn 功能描述:RC55Y precision resistor, 1k91 0.25W |
| RC55Y-1K96BI | 制造商:TT Electronics / Welwyn 功能描述:RC55Y precision resistor, 1k96 0.25W |
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