TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 18

• 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 T6. Packaging and Marking Information for Telecommunications and Networking Devices
Part Number
Chip
TC250/TCF250
TCF250-120T
TC250-145T
TC250-180
Radial-leaded
TR250/TRF250
TR250-080U
TR250-080U-2
TR250-080T
TR250-110U
TR250-110U-2
TR250-120
TR250-120-2
TR250-120T
TR250-120T-2
TR250-120U
TR250-120U-2
TR250-120UT
TR250-145
TR250-145-2
TR250-145-RA
TR250-145U
TR250-145U-2
TRF250-180
TRF250-180-2
Surface
TSL250
TSL250-080-2
Surface
TS250/TSV250
TS250-130-2
TSV250-130-2
Radial-leaded
TR600/TRF600
TRF600-150
TRF600-150-2
TR600-160
TR600-160-2
318
1
—60/250
PolySwitch Telecommunications and Networking Resettable Devices
2
1
—80/250V
—60/250V
4
4
4
1
3
—60/250V
—60/600V
Bag
Quantity
2,500
2,500
2,500
500
500
500
500
500
500
500
500
500
500
500
500
500
—
—
—
—
—
—
—
—
—
—
—
—
—
Tape & Reel
Quantity
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,200
1,500
600
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Standard
Package
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
7,500
7,500
7,500
7,500
7,500
7,500
7,500
7,500
7,500
7,500
6,000
7,500
3,000
Part
Marking
T13V
T08
T13
150
150
160
160
—
—
—
—
—
08
—
—
20
20
20
20
20
20
20
45
45
45
45
45
80
80
Raychem Circuit Protection
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL, CSA, TÜV
UL,CSA,TÜV
Agency
Recognition
UL, CSA
UL, CSA
UL, CSA
UL, CSA
UL
UL
—