TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 19

• 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

Table T6. Packaging and Marking Information for Telecommunications and Networking Devices continued
Part Number
Surface
TS600/TSM600
TS600-170-2
TS600-200-RA-2
TSM600-250-2
TSM600-250-RA-2
Radial
BBR
BBR550
BBR550-2
BBR750
BBR750-2
Radial
RXE
RXE010
RXE010-2
RXE017
RXE017-2
RXE020
RXE020-2
RXE025
RXE025-2
RXE030
RXE030-2
Surface
SMD, midSMD
SMD030-2
SMD030-2018-2
SMD050-2018-2
Surface
miniSMD
miniSMDC014-2
miniSMDC014F-2
Notes:
1
2
3
4
Raychem Circuit Protection
Agency Recognition for Telecommunications and Networking Devices*
UL
CSA
TÜV
Note:
60/250V products are designed to help equipment pass ITU specifications (K.20, K.21, etc) and Telcordia GR-1089 Intrabuilding power cross.
80/250V product designed to help equipment pass Telcordia GR-1089 Intrabuilding power cross (120V
60/600V products are designed to help equipment pass UL 60950,TIA-968-A (formerly FCC Part 68) and Telcordia GR-1089 specifications.
Product is not currently available in a resistance-matched or resistance sorted option.
*For agency recognition infornation on BBR and RXE series, see radial-leaded product section. For SMD, midSMD and miniSMDC series, see
4
4
—90V
—60,72V
3
4
4
surface-mount product section.
—60/600V
—60V
—60V
File # E74889
File #78165C
Per IEC60730-1
Certificate # for individual products available upon request.
Bag
Quantity
500
500
500
500
500
500
500
—
—
—
—
—
—
—
—
—
—
—
Tape & Reel
Quantity
1,500
1,500
3,000
2,500
3,000
3,000
3,000
2,000
4,000
4,000
2,000
2,000
300
300
200
200
—
—
—
—
—
—
—
PolySwitch Telecommunications and Networking Resettable Devices
Standard
Package
10,000
10,000
10,000
15,000
10,000
12,500
10,000
15,000
10,000
15,000
10,000
15,000
10,000
20,000
20,000
10,000
10,000
1,000
1,000
7,500
7,500
900
900
AC
/25A).
Telecommunications and Networking
TSM600
TSM600
Part
Marking
B550
B550
B750
B750
X010
X010
X017
X017
X020
X020
X025
X025
X030
X030
T20
T20
030
A03
A05
14
14
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, CSA
UL, CSA
UL, CSA
UL, CSA
UL, CSA
319
4