PRODUCT: TRF250-183S
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Device
DOCUMENT: SCD26744
REV LETTER: F
REV DATE: MAY 12, 2011
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 Recommendations
Helps equipment meet Telcordia GR1089 intrabuilding requirements
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:
A
C
B
D
E
(Center-to-Center)
TABLE I. DIMENSIONS:
A
MIN
MAX
MIN
mm:
--
7.5
--
in:*
--
(0.29)
--
*Rounded off approximation
B
MAX
9.5
(0.37)
MIN
--
--
C
MAX
3.8
(0.15)
MIN
4.7
(0.19)
D
MAX
--
--
E
NOM
5.0
(0.20)
TABLE II. PERFORMANCE RATINGS @ 20°C:
HOLD
TRIP
CURRENT CURRENT
(A)
(A)
RESISTANCE ( )
TIME TO TRIP(Sec)
@ 3A
TYP
0.55
MAX
1.8
OPERATING
TEMPERATURE
(°C)
MIN
MAX
-40
85
TRIPPED
POWER DISSIPATION
(W) @ 100V
DC
TYP
MAX
0.9
1.1
R MIN R MAX R
1 MAX
*
0.183
0.685
0.8
2.0
3.4
*Post Trip Resistance measured after one hour.
TABLE III. APPLICABLE PART DESCRIPTIONS:
PART DESCRIPTION
TRF250-183S
TRF250-183S-2
PACKAGING TYPE
Bulk
Tape and Reel
NOTES
N/A
Dim “D” not applicable
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL (File #E74889), CSA (File #78165C), TUV
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, 2011 Tyco Electronics Corporation, a TE Connectivity Ltd. Company. All rights reserved.
Analogue and Mixed Signal
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