Tyco/Electronics
Raychem Circuit Protection
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
Fax: 800-227-4866
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: TR250-080U
DOCUMENT: SCD 23431
PCN: 856313
REV LETTER: E
REV DATE: NOVEMBER 14, 2001
PAGE NO.: 1 OF 1
Specification Status:
RELEASED
Max Electrical Rating at 20°C
°
Operating Voltage: 60V
DC
Fault Voltage: 250V
RMS
Interrupt Current: 3A
RMS
Lead Material : 22 AWG Sn/Pb plated
copper
Marking:
None
TABLE I. DIMENSIONS
A
mm:
in*:
Min
--
--
Max
4.8
(0.189)
Min
--
--
B
Max
9.30
(0.366)
Min
--
--
C
Max
3.8
(0.150)
Min
4.7
(0.185)
D
Max
--
--
E
Nom
5.0
(0.197)
TABLE II. PERFORMANCE RATINGS @ 20°C (unless otherwise noted):
°
IHOLD (A)
RESISTANCE (Ω)
@ 20° C
R MIN
14.0
R MAX
20.0
TIME TO TRIP
@ 0.35A
OPERATING
TEMPERATURE (°C)
MIN
-40
MAX
85
20°C
0.080
R
1 MAX
*
Seconds, MAX
33.0
3
* Maximum device resistance at
20°C measured 1 hour post trip.
Additional Rating @ 20°C
Lightning Withstand:
ITU @ 1.0KV
Storage Temperature:
-40 to 85° C
Agency Recognition:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL, CSA, TUV
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
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