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: TR250-120
DOCUMENT: SCD 22547
PCN: 018960, 395235
REV LETTER: J
REV DATE: JANUARY 14, 2002
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:
Raychem Logo
20
Part Identification
Lot Identification
TABLE I. DIMENSIONS:
A
mm:
in:
Min
--
--
Max
6.5
(0.256)
Min
--
--
B
Max
11.0
(0.433)
Min
--
--
C
Max
Min
4.6
4.7
(0.180) (0.185)
D
Max
--
--
E
Nom
5.0
(0.197)
F
Max
7.0
(0.276)
TABLE II. PERFORMANCE RATINGS @ 20°C (unless otherwise noted):
°
IHOLD (A)
RESISTANCE (Ω)
@ 20° C
TIME TO TRIP
@ 1A
OPERATING
TEMPERATURE (°C)
MAX
85
20°C
0.120
70°C
0.060
R MIN
R MAX
R
1 MAX
*
Seconds, Typical
MIN
4.0
8.0
16.0
1.5
-40
*Maximum device resistance at 20°C measured 1 hour post trip.
Additional Rating @ 20°C
Lightning Withstand:
ITU @ 1.5KV
Storage Temperature:
-40° to 85° C
Reference Documents:
Precedence:
Effectivity:
CAUTION:
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.
Making friends through disassembly
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