308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Device
Raychem Circuit Protection Products
PRODUCT: TRF250-120T-B-0.5
DOCUMENT: SCD 26214
PCN: RF0014-000
REV LETTER: C
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)
External Coating Material: Cured, flame retardant
epoxy polymer, meeting UL94 V-0 requirements.
Marking:
TABLE I. DIMENSIONS:
A B C D E F
MIN MAX MIN MAX MIN MAX MIN MAX NOM MAX
mm: -- 6.5 -- 11.0 -- 4.6 4.7 -- 5.0 7.0
in: -- (0.256) -- (0.433) -- (0.180) (0.185) -- (0.197) (0.276)
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 MIN MAX
0.120 0.240 7.0 12.0 16.0 1.2 -40 85
* Maximum device resistance @ 20°C measured 1hour post trip.
Additional Ratings @ 20°C
Resistance Matched 0.5 Ohm
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
20 F
RoHS Indication
