参数资料
| 型号： | 2920L300DR |
| 厂商： | Littelfuse Inc |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | FUSE PTC RESETTABLE 6V 3A SMD |
| 产品目录绘图： | 2920L Series Footprint |
| 标准包装： | 1 |
| 系列： | POLYFUSE® 2920L |
| 电流 - 维持(Ih)： | 3A |
| 电流 - 跳闸(It)： | 5A |
| 电流 - 最大： | 40A |
| 电压 - 最大： | 6V |
| R最小/最大： | 0.015 ~ 0.048 欧姆 |
| 跳闸时间： | 20s |
| 封装/外壳： | 2920（7351 公制），凹陷 |
| 包装： | 标准包装 |
| 其它名称： | F5710DKR |
POLYFUSE ? Resettable PTCs
Surface Mount > 2920L Series
2920L Series
Description
The 2920L Series PTC provides surface mount overcurrent
protection for medium voltage (≤60V) applications where
resettable protection is desired.
Features
and halogen-free
currents
Agency Approvals
Applications
AGENCY
AGENCY FILE NUMBER
E183209
protection (IEEE 802.3 af)
equipment protection
R50119118
control module protection
Electrical Characteristics
Part Number
Marking
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
P d
typ.
(W)
Maximum Time
To Trip
Current Time
(A) (Sec.)
R min
( Ω )
Resistance
R typ
( Ω )
R 1max
( Ω )
Agency
Approvals
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
LF030
LF050
LF075
LF075-60
LF100
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF300
LF300-15
0.30
0.50
0.75
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
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
60
33
15
33
33
15
24
15
6
6
15
10
10
40
10
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
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
8.00
3.00
4.00
0.30
0.30
0.50
2.00
2.00
2.50
5.00
5.00
10.00
10.00
20.00
20.00
1.200
0.350
0.350
0.300
0.120
0.070
0.080
0.065
0.050
0.050
0.035
0.025
0.015
0.015
3.000
0.870
0.670
0.60
0.270
0.160
0.150
0.110
0.090
0.090
0.060
0.050
0.033
0.033
4.800
1.400
1.000
0.950
0.410
0.250
0.230
0.150
0.125
0.125
0.085
0.075
0.048
0.048
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
X
X
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 re?ow soldering of 260°C for 20 sec.
Caution: Operation beyond the speci?ed rating may result in damage and possible arcing and ?ame.
Effective September 15, 2009 onward, all 2920L PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 2920L PTC products will continue to be sold until
supplies are depleted. Effective January 1, 2010, all 2920L PTC product will be manufactured and sold as Halogen Free by default, and the “HF” part number suf?x code will be discontinued
-- Refer to Part Ordering Number System and Packaging Options sections for additional information.
? 2010 Littelfuse, Inc
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
51
Revised: July 12, 2010
2920L Series
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