POLYMER PTC
RESETTABLE FUSE
Product: Resettable Fuse
Revision: B
Date: 2018-4-13
Page No.: 1 OF 1
电路保护元器件专业制造商
Web: http://www.tlcet.com.cn
Part Number:TLC-LSMD300D/16
1、Physical Dimensions(size of 2920)
Unit:mm
A
Part Number
TLC-LSMD300D/16
B
C
D
Min
Max
Min
Max
Min
Max
Min
6.73
7.98
4.80
5.44
1.10
1.50
0.30
Top and Bottom View
Marking
Marking
T300
IH
(A)
IT
(A)
Vmax
(V)
I max
(A)
TLC-LSMD300D/16
3.00
6.00
16
40
Ttrip
(Max time to trip)
Current(A)
8.0
Time(S)
20
IH: Holding Current: maximum current at which the device will not trip in 25℃ still air.
IT: Tripping Current minimum current at which the device will trip in 25℃ still air.
Vmax: Maximum voltage device can withstand without damage at rated current.
I max: Maximum fault current device can withstand without damage at rated voltage.
T trip: Maximum time to trip(s) at assigned current.
Pd typ: Rated working power.
R min: Minimum resistance of device prior to trip at 25℃.
R1 max: Maximum resistance of device is measured one hours post reflow at 25℃.
Noted: All electrical function test is conducted after PCB mounted.
C
B
D
2、Electrical Characteristics
Part Number
Side View
A
Pd typ
(W)
R min
(Ω)
R1max
(Ω)
1.5
0.010
0.055
3、Thermal Derating
TLC-LSMD300D/16
Hold Current(A)
Trip Current(A)
Maximum ambient operating temperature
-40℃
-20℃
0℃
25℃
40℃
50℃
60℃
70℃
85℃
4.53
4.02
3.51
3.00
2.52
2.26
1.99
1.75
1.34
9.06
8.04
7.02
6.00
5.04
4.52
3.98
3.50
2.68
4、Solder Reflow Recommendations
20-40s
260℃
Critlcal Zone
Ramp-up
Temperature
217℃
Recommended Pad Layout(mm)
2.0±0.5
2.0±0.5
60-150s
200℃
5.3±0.1
Ramp-down
Preheat
150℃
25℃
60-180s
8 minutes max
Average Ramp-Up Rate:3 ℃ /second max
4.6±0.1
Time
Ramp-Down Rate:6 ℃ /second max
Notes:If reflow temperatures exceed the recommended
profile,devices may not meet the performance requirements.
5、Package Information
Packing quantity:1000PCS/Reel
Note:Reel packaging per EIA-481-1 standard
6、Agency Recognition:
Caution:Operation beyond the rated voltage or current may result in rupture electrical arcing or flame.Specifications are
subject to change without notice.
TEL: 86-0769-3892 0554
FAX: 86-0769-8793 2077
E-mail:sales@tlcet.com.cn
Address:No.18,5th GaoLi Road,TangXia Town,DongGuan,GuangDong,P.R China 523710
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