TR250-145 Tyco Electronics, TR250-145 Datasheet - Page 5

POLYSWITCH 0.145A HOLD ENCAPSUL

TR250-145

Manufacturer Part Number
TR250-145
Description
POLYSWITCH 0.145A HOLD ENCAPSUL
Manufacturer
Tyco Electronics
Series
PolySwitch®r
Datasheet

Specifications of TR250-145

R Min/max
3.000 ~ 6.000 Ohm
Voltage - Max
60V
Time To Trip
2.5s
Current - Hold (ih) (max)
145mA
Current - Max
3A
Package / Case
Radial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Trip (it)
-
Other names
TR145

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Raychem Circuit Protection
Table T1. Product Series: Size, Current Rating, Voltage Rating, Typical Resistance for Telecommunications
and Networking Devices
Voltage Rating (V)***
(Operating/Interrupt)
Specification
Hold Current (A)
0.080
0.100
0.110
0.120
0.130
0.140
0.145
0.150
0.160
0.170
0.180
0.200
0.250
0.300
0.550
0.750
Notes:
*These devices have a maximum operating voltage of 72V
**These devices have a maximum operating voltage of 250V
***Voltage Rating for Telecommunications and Networking Devices is dependent upon the nature of the fault conditions. See below for details
****These devices have a maximum operating voltage of 100V
Voltage Ratings for Telecommunications and Networking Devices
For Raychem Circuit Protection
telecommunications devices (TC,
TGC, TCF, TRx, TSx series) there
are two applicable voltage ratings.
These are V
V
stand the nature of these two dif-
ferent voltage ratings the
following definitions are provided:
MAX
Interrupt. To help under-
MAX
Operating and
TGC250
TCF250
60/250
TC250
10.5Ω
7.0Ω
1.4Ω
ITU
1.5Ω****
6.0-9.5Ω
4.3-5.0Ω
TRF250
60/250
TR250
17.0Ω
7.0Ω
ITU
8.0-10.5Ω
60/250
TS250
V
nications devices this is the volt-
age we have used to obtain
component recognition under
UL1434. Most Raychem Circuit
Protection devices (TC, TGC,
TCF, TRx, TRFx, TSx) are certi-
fied at 60V but can withstand
higher V
TSM600 product families are cer-
tified at 250V but can withstand
higher V
as noted above.
ITU
MAX
Operating: For telecommu-
TSV250
60/250
MAX
MAX
5.5Ω
ITU
. TR600-160 and
. Interrupt conditions
Intrabuilding
Telcordia
GR-1089
TSL250
80/250
8.0Ω
PolySwitch Telecommunications and Networking Resettable Devices
3-3.5Ω**
UL60950
Telcordia
GR-1089
TSM600
250/600
60/600
TS600
11.0Ω
8.5Ω
5.5-7.0Ω**
UL60950
Telcordia
GR-1089
250/600
TRF600
60/600
TR600
V
conditions this is the highest volt-
age that can be applied to the
device at the maximum current.
Devices have been designed to
trip safely under higher power
level cross conditions, as listed
above, to assist equipment in
meeting the appropriate industry
conditions.
Telecommunications and Networking
8Ω
MAX
Interrupt: Under specified
1.05Ω
0.58Ω
Cable
Taps
BBR
99
2.3Ω*
1.6Ω*
1.1Ω*
3.5Ω
4.3Ω
RXE
72*
60
SMD,midSMD
miniSMDC
1.4-3.0Ω
4.0Ω
60
305
4

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