POLYMER PTC
RESETTABLE FUSE
Part Number:TLC-LSMD300D/16
1、Physical Dimensions(size of 2920)
Part Number
TLC-LSMD300D/16
电路保护元器件专业制造商
Web:
http://www.tlcet.com.cn
Product: Resettable Fuse
Revision: B
Date: 2018-4-13
Page No.: 1 OF 1
Unit:mm
B
C
Max
5.44
Min
1.10
Max
1.50
D
Min
0.30
T
trip
Current(A)
8.0
(Max time to trip)
Top and Bottom View
A
Side View
C
A
Min
6.73
Max
7.98
Min
4.80
Marking
T300
Marking
B
2、Electrical Characteristics
Part Number
TLC-LSMD300D/16
D
I
H
(A)
3.00
I
T
(A)
6.00
V
max
(V)
16
I
max
(A)
40
I
H
: Holding Current: maximum current at which the device will not trip in 25℃ still air.
I
T
: Tripping Current minimum current at which the device will trip in 25℃ still air.
V
max
: 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.
Time(S)
20
Pd
typ
（W）
1.5
R
min
(Ω)
0.010
R1
max
(Ω)
0.055
3、Thermal Derating
TLC-LSMD300D/16
Maximum ambient operating temperature
-40℃
4.53
9.06
-20℃
4.02
8.04
0℃
3.51
7.02
25℃
3.00
6.00
40℃
2.52
5.04
50℃
2.26
4.52
60℃
1.99
3.98
70℃
1.75
3.50
85℃
1.34
2.68
Hold Current(A)
Trip Current(A)
4、Solder Reflow Recommendations
260℃
Ramp-up
20-40s
Critlcal Zone
Recommended Pad Layout(mm)
2.0±0.5
2.0±0.5
217℃
Temperature
60-150s
200℃
Preheat
Ramp-down
5.3±0.1
150℃
60-180s
4.6±0.1
25℃
8 minutes max
Average Ramp-Up Rate:3
℃
/second max
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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