TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 11

• 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

Raychem Circuit Protection
Table T4. Dimensions for Telecommunications and Networking Devices in Millimeters (Inches)
Part Number
TC/TCF/TGC—60/250V
TCF250-120T
TC250-145T
TGC250-145T
TC250-180
TR250/TRF250—60/250V
TR250-080T
TR250-080U
TR250-110U
TR250-120
TR250-120U
TR250-145
TR250-145U
TRF250-180
TSL250—80/250V
TSL250-080
TS250/TSV250—60/250V
TS250-130
TSV250-130
TRF600/TR600—250/600
TRF600-150
TR600-160
TS600 60/600V
TS600-170
TS600-200-RA
TSM600-250
TSM600-250-RA
3
2
1
1
Min.
5.4
(0.213) (0.221)
5.4
(0.213) (0.221)
5.7
(0.226) (0.234)
9.8
(0.386) (0.410)
—
—
—
—
—
—
—
—
6.7
(0.265) (0.310) (0.110) (0.145) (0.190) (0.210) (0.008) (0.015) (0.100) (0.120)
8.5
(0.335) (0.370)
—
—
—
—
18.2
(0.720) (0.765) (0.455) (0.485) (0.285) (0.325) (0.065) (0.095) (0.390) (0.410) (0.060) (0.090)
18.2
(0.720) (0.765) (0.455) (0.485) (0.285) (0.325) (0.065) (0.095) (0.390) (0.410) (0.060) (0.090)
—
Dimension
1
3
A
Max.
5.6
5.6
5.9
10.4
5.8
(0.228)
4.8
(0.189)
5.3
(0.210)
6.5
(0.256)
6.0
(0.236)
6.5
(0.256)
6.0
(0.236)
9.0
(0.354)
7.9
9.4
6.1
(0.240)
9.0
(0.354) —
16.0
(0.630)
19.4
19.4
17.6
(0.69)
Min.
5.4
(0.213) (0.221)
5.4
(0.213) (0.221)
5.7
(0.226) (0.234)
6.1
(0.242) (0.260)
—
—
—
—
—
—
—
—
2.7
—
—
—
—
11.5
11.5
—
B
Max.
5.6
5.6
5.9
6.6
9.9
(0.390)
9.3
(0.366)
9.4
(0.370)
11.0
(0.433)
10.0
(0.394)
11.0
(0.433)
10.0
(0.394)
12.0
(0.412)
3.7
3.4
(0.135)
6.9
(0.270)
12.5
(0.492) —
12.6
(0.496)
12.3
12.3
11.7
(0.46)
Min.
2.0
(0.079) (0.091)
2.0
(0.080) (0.100)
2.0
(0.079) (0.091)
2.0
(0.080) (0.100)
—
—
—
—
—
—
—
—
4.8
—
—
—
—
7.2
7.2
—
C
Max.
2.3
2.5
2.3
2.5
4.6
(0.181)
3.8
(0.150)
3.8
(0.150)
4.6
(0.181)
3.8
(0.150)
4.6
(0.181)
3.8
(0.150)
3.8
(0.150)
5.3
7.4
(0.290) (0.011)
3.2
(0.126) (0.022)
4.6
(0.180) (0.185) —
6.0
(0.236) (0.185)
8.3
8.3
11.2
(0.44)
Min.
—
—
—
—
4.7
(0.185) —
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
0.2
0.3*
0.56
4.7
4.7
1.6
1.6
—
PolySwitch Telecommunications and Networking Resettable Devices
D
Max.
—
—
—
—
—
—
—
—
—
—
—
—
0.4
—
—
—
—
2.4
2.4
5.2
(0.20)
Min.
—
—
—
—
5.0*
(0.197)
5.0*
(0.197)
5.0*
(0.197)
5.0*
(0.197)
5.0*
(0.197)
5.0*
(0.197)
5.0*
(0.197)
5.0*
(0.197)
2.5
3.8*
(0.150)
—
5.0
(0.197) —
5.0*
(0.197)
9.9
9.9
—
E
Max.
—
—
—
—
—
—
—
—
—
—
—
—
3.1
—
1.9
(0.075) (0.065) (0.091)
—
—
10.4
10.4
2.8
(0.11)
Telecommunications and Networking
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1.6
—
—
—
1.5
1.5
0.6
(0.02)
F
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.3
9.0
(0.354) —
—
2.3
2.3
—
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.0
(0.080)
G
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Figure
T10
T10
T11
T9
T6
T7
T3
T3
T4
T4
T4
T4
T2
T2
T2
T3
T3
T3
T3
T2
311
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