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參數(shù)資料
| 型號： | 2920L30015 |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | POLYFUSE㈢ Resettable PTCs Surface Mount |
| 中文描述： | POLYFUSE㈢復(fù)式膽道鏡表面貼裝 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 353K |
| 代理商： | 2920L30015 |
www.littelfuse.com
2006 Littelfuse
POLYFUSE
Resettable PTCs
Surface Mount
2920L Series
Specifications are subject to change without notice.
Electronics Designers Guide
2920L Series
The 2920L series device provides surface mount
overcurrent protection for medium voltage (
≤
60V)
applications where resettable protection is desired.
Electrical Characteristics
Part Number
Marking
I
(A)
I
(A)
V
(Vdc)
I
(A)
P
max.
(W)
Maximum Time
To Trip
Resistance
Agency
Approvals
Current
(A)
Time
(Sec.)
R
min
(
Ω
)
1.200
0.350
0.350
0.120
0.070
0.080
0.065
0.050
0.050
0.035
0.025
0.015
0.015
R
typ
(
Ω
)
3.000
0.870
0.670
0.270
0.160
0.150
0.110
0.090
0.090
0.060
0.050
0.033
0.033
R
1max
(
Ω
)
4.800
1.400
1.000
0.410
0.250
0.230
0.150
0.125
0.125
0.085
0.075
0.048
0.048
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
LF030
LF050
LF075
LF100
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF300
LF300-15
0.30
0.50
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
0.60
1.00
1.50
2.20
2.50
3.00
3.70
4.00
4.00
5.00
5.00
5.00
5.00
60
60
30
33
15
33
33
15
24
15
6
6
15
10
10
40
40
40
40
40
40
40
40
40
40
40
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
2.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
3.00
4.00
0.30
0.50
2.00
2.00
2.50
5.00
5.00
10.00
10.00
20.00
20.00
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
Description
I
hold
= Hold current: maximum current device will pass without tripping in 20°C still air.
I
trip
= Trip current: minimum current at which the device will trip in 20°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
)
P
d
= Power dissipated from device when in the tripped state at 20°C still air.
R
min
= Minimum resistance of device in initial (un-soldered) state.
R
typ
= Typical resistance of device in initial (un-soldered) state.
R
1max
= Maximum resistance of device at 20°C measured one hour after tripping or reflow
soldering of 260°C for 20 sec.
Caution:
Operation beyond the specified rating may result in damage and possible arcing
and flame.
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50082521
Features
Applications
RoHS compliant and
lead-free
Fast response to fault
currents
High voltage
Low-profile
EE1394 port protection
Powered ethernet port
protection (IEEE 802.3 af)
Automotive electronic
control module protection
Low voltage telecom
equipment protection
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