TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 15
TR250-145U
Manufacturer Part Number
TR250-145U
Description
POLYSWITCH 0.145A HOLD UNENCAPS
Manufacturer
Tyco Electronics
Series
PolySwitch®r
Datasheet
1.TR250-145.pdf
(28 pages)
Specifications of TR250-145U
R Min/max
3.500 ~ 6.500 Ohm
Voltage - Max
60V
Time To Trip
2s
Current - Hold (ih) (max)
145mA
Current - Trip (it)
290mA
Current - Max
3A
Package / Case
Radial
Holding Current
0.145A
Tripping Current
0.29A
Initial Resistance Max
6.5ohm
Initial Resistance Min
3.5ohm
Resistance R1
12ohm
Peak Reflow Compatible (260 C)
No
Fuse Terminals
Radial Leaded
Thermistor Type
PTC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
TR145U
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TR250-145U
Manufacturer:
Raychem
Quantity:
190
Company:
Part Number:
TR250-145US
Manufacturer:
MOLEX
Quantity:
32 648
Figures T12–T17. Typical Time-to-trip Curves at 20°C for Telecommunications and Networking Devices continued
RXE
A = RXE010
B = RXE017
C = RXE020
D = RXE025
E = RXE030
F = BBR550
G = BBR750
Raychem Circuit Protection
SMD/miniSMDC/midSMD
A = miniSMDC014 &
B = SMD030-2018
C = SMD030
D = SMD050-2018
miniSMDC014F
0.001
0.01
100
0.1
10
1
0.1
0.001
1000
0.01
100
0.1
10
1
0.1
A
B C D E
A
PolySwitch Telecommunications and Networking Resettable Devices
B
F G
1
C
Figure T16
Figure T17
Fault current (A)
Fault current (A)
D
Telecommunications and Networking
1
A
B
10
C D E
G
F
100
B
10
315
D
C
A
4