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PolySwitch?
PRODUCT: TRF250-180
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PTC Devices
Overcurrent Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25040
REV LETTER: K
REV DATE: JUNE 18, 2009
PAGE NO.: 1 OF 1
Specification Status: Released
Operating Conditions at 20 ° C:
Maximum Continuous Operating Voltage (V MCO ): 100V DC
Maximum Interrupt Current (I INT ): 10A RMS
Fault Ratings at 20°C:
250V RMS , 3A, 10 applications
Additional Info at 20°C:
? Resistance matched: N/A
? Lightning withstand: 1.5 kV per ITU-T K.20, K.21
? Helps equipment meet ITU-T K.20, K.21
Lead Material:
22 AWG Sn-Plated Copper (0.64 mm [0.025”] nominal diameter)
External Coating Material:
Cured, flame retardant epoxy polymer, meeting UL94 V-0 requirements
Marking:
Please use TRF250-183 & TRF250-184 Series for New
Programs .
TABLE I. DIMENSIONS:
A B
C
D
E
MIN MAX MIN MAX
mm: -- 9.0 -- 12.0
in:* -- (0.35) -- (0.47)
MIN
--
--
MAX
3.8
(0.15)
MIN
4.7
(0.19)
MAX
NOM
5.0
(0.20)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS @ 20°C:
HOLD
TRIP
RESISTANCE ( ? )
TIME TO TRIP(Sec)
OPERATING
TRIPPED
CURRENT CURRENT
@ 3A
TEMPERATURE
POWER DISSIPATION
(A)
(A)
(°C)
(W)
R MIN R MAX R 1 MAX *
0.180 0.650 0.8 2.2 4.0
TYP
0.5
MAX
2.0
MIN MAX
-40 85
TYP @ 100V DC
0.9
*Post Trip Resistance measured after one hour.
TABLE III. APPLICABLE PART DESCRIPTIONS:
PART DESCRIPTION
PACKAGING TYPE
NOTES
SUPERSEDED
TRF250-180
TRF250-180-2
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
Bulk N/A
Tape & Reel Dim D not applicable
UL (File #E74889), CSA (File #78165C), TUV
Raychem PS300, ITU-T K.20, K.21
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
NOT the LATEST
CAUTION:
Materials Information
ROHS Compliant
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
ELV Compliant Pb-Free
REVISION
? 2006, 2009 Tyco Electronics Corporation. All rights reserved.
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