参数资料
| 型号： | 30R900UMR |
| 厂商： | Littelfuse Inc |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | PTC RESETTABLE 9.00A 30V KINK |
| 产品目录绘图： | 30R Series Side 30R900 Series Front |
| 标准包装： | 1 |
| 系列： | POLYFUSE® 30R |
| 电流 - 维持(Ih)： | 9A |
| 电流 - 跳闸(It)： | 18A |
| 电流 - 最大： | 40A |
| 电压 - 最大： | 30V |
| R最小/最大： | 0.005 ~ 0.020 欧姆 |
| 跳闸时间： | 20s |
| 封装/外壳： | 径向 |
| 包装： | 剪切带 (CT) |
| 其它名称： | F5553CT |
POLYFUSE ? Resettable PTCs
Radial Leaded > 30R Series
30R Series
Description
provide overcurrent protection for low voltage (≤30V)
applications where space is not a concern and resettable
protection is preferred.
Features
epoxy polymer insulating
Agency Approvals
material meets UL 94V-0
requirements
Free and Halogen-Free*
AGENCY
AGENCY FILE NUMBER
Applications
E183209
and peripherals
R50119318
Electrical Characteristics
Part Number
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
P d
typ.
(W)
Maximum Time
To Trip
Current Time
(A) (Sec.)
Resistance
R min R 1max
( Ω ) ( Ω )
Agency
Approvals
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
1.80
2.20
2.70
3.20
3.70
5.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
30
30
30
30
30
30
30
30
30
30
30
30
30
40
40
40
40
40
40
40
40
40
40
40
40
40
0.6
0.7
0.8
0.9
1.0
1.2
2.0
2.5
3.0
3.5
3.8
4.0
4.2
4.50
5.50
6.75
8.00
9.25
12.50
15.00
20.00
25.00
30.00
35.00
40.00
40.00
5.90
6.60
7.30
8.00
8.70
10.30
10.80
12.70
14.50
16.00
17.50
18.80
20.00
0.070
0.050
0.040
0.030
0.030
0.020
0.020
0.010
0.010
0.005
0.005
0.005
0.005
0.220
0.170
0.130
0.110
0.090
0.070
0.080
0.050
0.050
0.040
0.030
0.020
0.020
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
I hold = Hold current: maximum current device will pass without tripping in 23°C still air.
I trip = Trip current: minimum current at which the device will trip in 23°C still air.
V max = Maximum voltage device can withstand without damage at rated current (I max )
I max = Maximum fault current device can withstand without damage at rated voltage (V max )
R min = Minimum resistance of device in initial (un-soldered) state.
R 1max = Maximum resistance of device at 23°C measured one hour after tripping.
Caution: Operation beyond the speci?ed rating may result in damage and possible arcing
and ?ame.
P d = Power dissipated from device when in the tripped state at 23°C still air.
* Effective January 1, 2010, all 30R PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 30R PTC products may continue to be sold, until supplies are depleted.
? 2010 Littelfuse, Inc
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
75
Revised: July 12, 2010
30R Series
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