参数资料
| 型号： | FWX-2A14F |
| 厂商： | Cooper Bussmann |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | FUSE 2A 250V HI SPEED FERRULE |
| 标准包装： | 10 |
| 系列： | FWX |
| 保险丝类型： | 管筒，陶瓷 |
| 额定电流： | 2A |
| 额定电压 - AC： | 250V |
| 额定电压 - DC： | 250V |
| 响应时间： | 快速 |
| 封装/外壳： | 盒，非标准 |
| 安装类型： | 支座 |
| 尺寸/尺寸： | 0.563" 直径 x 2.000" L（14.30mm x 50.80mm） |
| 额定电压时的断路容量： | 200000A AC，50000A DC |
| 批准： | CE，UL |
| 包装： | 散装 |
| 其它名称： | 283-2454 |
Bussmann
?
Ferrule
FWX 250V (U.L.)
1-30A
?
Electrical Characteristics
I 2 t (A 2 S)
Rated
Ordering Information
Carton
Dimensions
Curves
Current Clearing
Watts
Part
Carton
Weight
Figure
Size
RMS-Amps Pre-arc at 250V
Loss
Number
Qty.
(kg)
Number
BIF #
1 — — — FWX-1A14F
2 — — — FWX-2A14F
3 — — — FWX-3A14F
4 — — — FWX-4A14F
14 ≈ 51mm 5 1.6 13 1.3 FWX-5A14F 10 0.225 Fig. 1
(·??§∑) 10 3.6 24 3.4 FWX-10A14F
15 14 83 3.8 FWX-15A14F
20 33 200 4.6 FWX-20A14F
25 58 300 5.3 FWX-25A14F
30 100 500 5.9 FWX-30A14F
50 200 1800 5.7 FWX-50A14F
35785302
Interrupting rating 200kA RMS Symmetrical.
1 kg = 2.2 lbs. 1 lb = 0.45 kg
Watts loss provided at rated current.
(250 Vdc/Interrupting rating 50kA) U.L. Recognition on 5 through 30 amperes only. Consult Bussmann for additional ratings.
See accessories on page 90.
Dimensions
Fig. 1: 1-30 Amp Range
50.8
(2.000")
Dimension in mm.
1mm = 0.0394∑ 1∑ = 25.4mm
15.5
(0.610")
14.3
(0.563")
Electrical Characteristics
Total Clearing I 2 t
The total clearing I 2 t at rated voltage and
at power factor of 15% are given in the
electrical characteristics. For other volt-
ages, the clearing I 2 t is found by multi-
plying by correction factor, K , given as
a function of applied working voltage,
E g , (RMS).
Arc Voltage
This curve gives the peak arc voltage,
U L , which may appear across the fuse
during its operation as a function of the
applied working voltage, E g , (RMS) at a
power factor of 15%.
Power Losses
Watts loss at rated current is given in
the electrical characteristics. The curve
allows the calculation of the power
losses at load currents lower than the
rated current . The correction factor, K p ,
is given as a function of the RMS load
current, I b , in % of the rated current .
1.5
K
1.4
1.2
U L
1.0
0.8
K p
1.0
0.5
0.3
0.2
10 3
800
600
500
400
300
0.6
0.5
0.4
0.3
0.2
0.15
75
125
200
250
E g
300
200
50
100
150
200
E g
250V RMS
0.1
30 40 50
60
70
I b
80 90 100%
The only controlled copy of this BIF document is the electronic read-only version located on the
Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin
is intended to clearly present comprehensive product data and provide technical information that will
help the end user with design applications. Bussmann reserves the right, without notice, to change
7-18-01
SB01191
design or construction of any products and to discontinue or limit distribution of any products.
Bussmann also reserves the right to change or update, without notice, any technical information con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible
applications.
Form No.
Page 1 of 1
BIF Doc #720006
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FWX-300A | 功能描述:保险丝 250V 300Arms Semiconductor RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| FWX-30A14F | 功能描述:保险丝 250V 30Arms Semiconductor RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| FWX-350A | 功能描述:保险丝 250V 350Arms Semiconductor RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| FWX-35A | 功能描述:保险丝 250V 35Arms Semiconductor RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| FWX-3A14F | 功能描述:保险丝 250V 3Arms Semiconductor RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
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