TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 26
![POLYSWITCH 0.145A HOLD UNENCAPS](/photos/22/4/220468/4433740_sml.jpg)
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
4
Table T9. TS Tape and Reel Specifications for Telecommunications and Networking Devices continued
TS600
Dimension
Description
Carrier tape width
Sprocket hole pitch
Sprocket hole diameter
Tape thickness
Tape thickness with splice
Reel Dimensions
Reel diameter
Core diameter
Space between flanges less device
Reel width
TSM600
Dimension
Description
Carrier tape width
Sprocket hole pitch
Sprocket hole diameter
Tape thickness
Tape thickness with splice
Reel Dimensions
Reel diameter
Core diameter
Space between flanges less device
Reel width
Note: For tape and reel specifications for BBR and RXE devices, see radial-leaded section, page 247. For SMD, midSMD, miniSMDC see surface-mount section,
page 215.
326
PolySwitch Telecommunications and Networking Resettable Devices
EIA Mark
W
P
P
P
A
B
B
D
F
E1
E
T max.
T
K
Leader min.
Trailer min.
A max.
N min.
W
W
EIA Mark
W
P
P
P
A
B
B
D
F
E
E
T max.
T
K
Leader min.
Trailer min.
A max.
N min.
W
W
0
1
2
0
0
1
2
1
0
0
1
2
0
0
1
1
2
1
0
0
0
1
2
1
2
max.
min.
max.
min.
max.
max.
max.
max.
Dimension (mm)
32
4.0
16
2.0
10
19.2
21.6
1.5
14.2
1.75
28.4
0.50
0.1
13.2
390
160
360
50
32.4
40
Dimension (mm)
32
4.0
24
2.0
11.2
17.8
23.45
1.5
14.2
1.74
28.4
0.5
0.1
11.9
390
160
360
50
32.4
40
Tolerance (mm)
±0.3
±0.1
±0.1
±0.1
±0.1
±0.1
-0/+0.1
±0.1
±0.1
±0.1
±0.5
±0.1
-0/+2.0
Tolerance (mm)
±0.3
±0.1
±0.1
±0.1
±0.1
±0.1
-0/+0.1
±0.1
±0.1
±0.1
±0.5
±0.1
-0/+2.0
Raychem Circuit Protection