TRF250-120T Datasheet, PDF (1/1 Pages) Tyco Electronics – PolySwitch®PTC Devices Overcurrent Protection Device

308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: [phone]
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Device
Raychem Circuit Protection Products
PRODUCT: TRF250-120T
DOCUMENT: SCD 26213
PCN: REFER TO TABLE III BELOW
REV LETTER: E
REV DATE: OCTOBER 15, 2007
PAGE NO.: 1 OF 1
Specification Status: Released
Operating Conditions at 20°C:
Maximum Continuous Operating Voltage (V_MCO): 60V_DC
Maximum Interrupt Current (I_INT ): 3A_RMS
Fault Ratings at 20°C:
250 V_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 (0.65 mm [0.026”] nominal diameter)
External Coating Material:
Cured, flame retardant epoxy polymer, meeting UL94 V-0 requirements
Marking:
TABLE I. DIMENSIONS:
A
B
MIN MAX MIN MAX
mm: --
6.5
--
11.0
in:*
-- (0.26) -- (0.43)
*Rounded off approximation
C
MIN MAX
--
4.6
--
(0.18)
D
MIN MAX
4.7
--
(0.19) --
E
NOM
5.0
(0.20)
F
MAX
7.0
(0.28)
TABLE II. PERFORMANCE RATINGS @ 20°C:
HOLD
TRIP
CURRENT CURRENT
RESISTANCE (Ω)
TIME TO TRIP(Sec)
@ 1A
(A)
(A)
R MIN R MAX R_{1 MAX}*
TYP
MAX
0.120
0.240
7.0
12.0
16.0
0.7
1.2
*Maximum device resistance at 20°C measured 1 hour post trip
OPERATING
TEMPERATURE
(°C)
MIN MAX
-40
85
TRIPPED
POWER DISSIPATION
(W)
TYP @ 60V_DC
1.0
TABLE III. APPLICABLE PART DESCRIPTIONS:
PART DESCRIPTION
TRF250-120T
TRF250-120T-2
PCN # (INTERNAL ONLY)
RF0013-000
RF0537-000
PACKAGING TYPE
Bulk
T&R
NOTES
N/A
Dim D not applicable
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL (File #E74889), CSA (File #78165), 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
© 2006, 2007 Tyco Electronics Corporation. All rights reserved.