308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Devi ce
Raychem Circuit Protection Products
PRODUCT: TRF250-145U
DOCUMENT: SCD 26223
PCN: RF0027-000, RF0036-000
REV LETTER: D
REV DATE: MAY 22, 2007
PAGE NO.: 1 OF 1
Specification Status: RELEASED
Max Electrical Rating at 20°C
Operating Voltage: 60VDC
Interrupt Current: 3ARMS
Fault Voltage: 250VRMS
Lead Material: 22 AWG Sn plated copper
(0.65 mm [0.026”] nominal diameter)
Marking:
TABLE I. DIMENSIONS:
A B C D E F
Min Max Min Max Min Max Min Max Nom Min Max
mm: -- 6.0 -- 10.0 -- 3.8 4.7 -- 5.0 -- 6.0
in: -- (0.236) -- (0.394) -- (0.150) (0.185) -- (0.197) -- (0.236)
TABLE II. PERFORMANCE RATINGS @ 20°C (unless otherwise noted):
RESISTANCE (Ω)
TIME TO TRIP (s)
@ 1A
OPERATING
TEMPERATURE (°C)
IHOLD (A)
ITRIP (A)
R MIN R MAX R1 MAX* TYP MAX MIN MAX
0.145 0.290 3.5 6.5 14.0 2.0 4.0 -40 85
*Maximum device resistance at 20°C measured 1 hour post trip.
Additional Ratings @ 20°C
Lightning Withstand: ITU-T @ 1.5kV
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
Materials Information
ROHS Compliant ELV Compliant Pb-Free
© 2006, 2007 Tyco Electronics Corporation. All rights reserved.
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Lot Identification
Part Identification
45 F
RoHS Indication
