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
B
C
D E
Min Max Min Max Min Max Min Max Nom
mm:
-- 4.8 -- 9.30 -- 3.8 4.7 --
5.0
in*: -- (0.189) -- (0.366) -- (0.150)
(0.185) --
(0.197)
TABLE II. PERFORMANCE RATINGS @ 20
C (unless otherwise noted):
IHOLD (A)
RESISTANCE (
)
@ 20
C
TIME TO TRIP
@ 0.35A
OPERATING
TEMPERATURE (
C)
20
C
R MIN
R MAX
R
1 MAX
* Seconds,
MAX MIN MAX
0.080 14.0
20.0
33.0
3
-40 85
* 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:
UL, CSA, TUV
Reference Documents:
PS300
Precedence:
This specification takes precedence over documents referenced herein.
Effectivity:
Reference documents shall be the issue in effect on the date of invitation for bid.
CAUTION:
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
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