PRODUCT: TRF250-183S
PolySwitch®
DOCUMENT: SCD 26744
PCN: REFER TO TABLE III BELOW
REV LETTER: C
PTC Devices
308 Constitution Drive
Overcurrent Protection Device
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
REV DATE: MAY 29, 2007
PAGE NO.: 1 OF 1
Raychem Circuit Protection Products
Specification Status: Released
Operating Conditions at 20°C:
A
C
Maximum Continuous Operating Voltage (VMCO): 100VDC
Maximum Interrupt Current (IINT ): 10ARMS
Fault Ratings at 20°C:
250VRMS, 3A, 10 applications
B
D
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
E
Lead Material:
22 AWG Sn-Plated Copper (0.65 mm [0.026”] nominal diameter)
(Center-to-Center)
External Coating Material:
Cured, flame retardant epoxy polymer, meeting UL94 V-0 requirements
Marking:
TABLE I. DIMENSIONS:
A
B
C
D
E
NOM
5.0
MIN
--
--
MAX
7.5
MIN
--
MAX
9.5
MIN
--
MAX
4.1
MIN
4.7
MAX
--
mm:
in:*
(0.29)
--
(0.37)
--
(0.16) (0.19)
--
(0.20)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS @ 20°C:
HOLD
CURRENT CURRENT
TRIP
RESISTANCE (Ω)
TIME TO TRIP(Sec)
@ 3A
OPERATING
TEMPERATURE
(°C)
TRIPPED
POWER DISSIPATION
(W)
(A)
(A)
R MIN R MAX R1 MAX
*
TYP
MAX
MIN
MAX
TYP @ 100VDC
0.183
0.685
0.8
2.0
3.4
0.55
1.8
-40
85
0.9
*Post Trip Resistance measured after one hour.
TABLE III. APPLICABLE PART DESCRIPTIONS:
PART DESCRIPTION
PCN # (INTERNAL ONLY)
PACKAGING TYPE
Bulk
NOTES
N/A
TRF250-183S
RF0769-000
TRF250-183S-2
RF0841-000
Tape and Reel
Dim “D” not applicable
Agency Recognitions:
Reference Documents:
Precedence:
UL (File #E74889), CSA (File #78165C), TUV
Raychem PS300, ITU-T K.20, K.21
This specification takes precedence over documents referenced herein.
Effectivity:
CAUTION:
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.