POLYMER PTC
RESETTABLE FUSE
Part Number:TRM055Z-3
1、Physical Dimensions
Part Number
TRM055Z-3
A
Max
14.0
B
Max
18.0
V
max
V
dc
240
OP
电路保护元器件专业制造商
Web:
http://www.tlcet.com.cn
Product: Resettable Fuse
Revision: A
Date: 2019-09-25
Page No.: 1 OF 1
Unit:mm
C
TYP
5.1
D
Nor
18±1
A
E
E
Max
4.5
Lead
Φ
0.80
M055
XX
Logo
B
M 055
XX
Holding Current
Max.Interrupt voltage
Lot No.
D
C
2、Electrical Characteristics
Part
Number
TRM055Z-3
I
H
(A)
0.55
I
T
(A)
1.25
I
max
(A)
7.0
V
max
Interrupt
V
rms
T
trip
Current(A)
2.75
(Max time to trip)
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℃.
R
max
: Maximum resistance of device prior to trip at 25℃.
R1
max
: Maximum resistance of device is measured one hours post reflow at 25℃.
265
Time(S)
26.0
Pd
typ
（W）
3.4
R
min
(Ω)
1.15
R
max
(Ω)
1.35
R1
max
(Ω)
2.70
3、Thermal Derating
Part Number
TRM055Z-3
Ambient Operating Temperature
-40℃
0.87
-20℃
0.76
0℃
0.65
25℃
0.55
40℃
0.44
50℃
0.39
60℃
0.33
70℃
0.28
85℃
0.21
Condition
4ºC/second max.
100ºC
125ºC
60-180 seconds
265ºC
5 seconds
6 ºC /second max.
5 minutes max.
0ºC ~35ºC,
≦70%RH,
2 Years
4、Wave Soldering Parameters
Profile Feature
Average Ramp-Up Rate (Tsmax to TP)
Preheat
-Temperature Min (Tsmin)
-Temperature Max (Tsmax)
-Time (Tsmin to Tsmax)
Peak Temperature (TP)
Max Time at Peak Temperature (tP)
Ramp-Down Rate
Time 25ºC to Peak Temperature
Storage Condition
5、Package Information
Packing quantity:200pcs/bag
6、Agency Recognition：TUV
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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