English
Language : 

TRF250-183US Datasheet, PDF (1/1 Pages) Tyco Electronics – PolySwitch®PTC Devices
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: TRF250-183US
DOCUMENT: SCD 26746
PCN: REFER TO TABLE III BELOW
REV LETTER: C
REV DATE: MAY 29, 2007
PAGE NO.: 1 OF 1
Specification Status: Released
Operating Conditions at 20°C:
Maximum Continuous Operating Voltage (VMCO): 100VDC
Maximum Interrupt Current (IINT ): 10ARMS
Fault Ratings at 20°C:
250VRMS, 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 (0.65 mm [0.026”] nominal diameter)
Marking:
None
TABLE I. DIMENSIONS:
A
C
MIN MIN MAX MAX
mm: --
6.5
--
3.0
in:* -- (0.26) -- (0.12)
*Rounded off approximation
D
MAX MAX
4.7
--
(0.19) --
E
NOM
5.0
(0.20)
TABLE II. PERFORMANCE RATINGS @ 20°C:
HOLD
TRIP
CURRENT CURRENT
RESISTANCE (Ω)
(A)
(A)
R MIN R MAX R1 MAX*
0.183
0.685
0.8
2.0
3.4
*Post Trip Resistance measured after one hour.
TIME TO TRIP(Sec)
@ 3A
TYP
MAX
0.55
1.8
OPERATING
TEMPERATURE
(°C)
MIN MAX
-40
85
TABLE III. APPLICABLE PART DESCRIPTIONS:
PART DESCRIPTION
PCN # (INTERNAL ONLY)
TRF250-183US
RF0771-000
PACKAGING TYPE
Bulk
NOTES
N/A
TRIPPED
POWER DISSIPATION
(W)
TYP @ 100VDC
0.9
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
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.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
Materials Information
ROHS Compliant
ELV Compliant
Pb-Free
© 2007 Tyco Electronics Corporation. All rights reserved.