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MFR5-4K7GC 参数 Datasheet PDF下载

MFR5-4K7GC图片预览
型号: MFR5-4K7GC
PDF下载: 下载PDF文件 查看货源
内容描述: 金属膜电阻器 [Metal Film Resistors]
分类和应用: 电阻器膜电阻器金属膜电阻器
文件页数/大小: 4 页 / 1364 K
品牌: WELWYN [ WELWYN COMPONENTS LIMITED ]
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Metal Film Resistors
Welwyn Components
MFR Series
Professional grade approved to
BSCECC 40101-803 and 019
Tolerances down to 0.5%
Temperature coefficient down to 50ppm/°C
Electrical Data
Power rating at 70°C
Resistance range
Limiting element voltage
TCR
Resistance tolerance
watts
ohms
volts
ppm/°C
%
MFR3
0.4
10R - 1M
200
50
1
MFR4
0.5
1R0 - 10M
350
50
0.5, 1,2
MFR5
0.75
1R0 - 1M
350
≤10:150
>10:100*
0.5, 1,2
* Note:- Tighter TCR’S are available on professional grade, consult factory for details.
Approved CECC 40101 - 019 Style
Power rating at 70°C
watts
Resistance range.
ohms
Limiting element voltage
volts
TCR
ppm/°C
Resistance tolerance
%
FZ
FX
0.25
0.25
1 to 1M
1 to 1M
250
250
100
250
5.1 to 9.1 : 200 5.1 to 9.1 : 500
1,2
1,2
BC
0.125
10 to 1M
200
50
0.5, 1, 2
BK
0.125
10 to 1M
200
100
0.5, 1, 2
EZ
0.5
10 to 1M0
350
100
1,2
CC
0.25
10 to 1M
250
50
0.5, 1, 2
EX
0.5
10 to 1M
350
250
1,2
CK
0.25
10 to 1M
250
100
0.5, 1, 2
Approved CECC 40101 - 803 Style
Power rating at 70°C
watts
Resistance range.
ohms
Limiting element voltage
volts
TCR
ppm/°C
Resistance tolerance
%
Standard values
Thermal impedance
Ambient temperature range
Product grades available
E24, E96 preferred
°C/watt
°C
commercial
150
140
-55 to 155
commercial, professional
112
Physical Data
Dimensions (mm) & Weight (g)
Type
MFR3
MFR4
MFR5
Professional
Commercial
Professional
Commercial
Professional
Commercial
L max
3.5
3.7
6.2
6.8
9.0
10.0
D max
1.8
2.0
2.5
3.0
3.6
3.7
F min
22.4
22.4
21.0
21.0
19.6
19.6
d nom
0.5
0.45
0.6
0.55
0.8
0.6
PCB
mount
centres
Min
bend
radius
Wt.
nom
7.6
7.6
10.2
10.2
12.7
12.7
0.5
0.5
0.6
0.6
1.2
0.6
0.1
0.1
0.3
0.3
0.5
0.5
d
D
L
f
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
Issue D · 05.07
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
135