TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 26

• Manufacturer Part Number: TR250-145U
• Description: POLYSWITCH 0.145A HOLD UNENCAPS
• Manufacturer: Tyco Electronics
• Series: PolySwitch®r

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

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