MA-COM RTEF120

PolySwitch®
PTC Devices
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PRODUCT: RTEF120
DOCUMENT: SCD25188
PCN: D04822
REV LETTER: OBSOLETE(D)
REV DATE: OCTOBER 10, 2011
PAGE NO.: 1 OF 1
Overcurrent Protection Device
Specification Status: Released
Electrical Rating
Voltage:
Current:
33V MAX
40A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
24 AWG Tin Plated Copper Clad Steel
Marking:
Manufacturer’s Mark
and Voltage
33
Part Identification
TF120
Lot Identification
(can be on back)
TABLE I. DIMENSIONS:
mm:
in*:
A
B
MIN
MAX
MIN
MAX
-7.4
-12.2
-(0.29)
-(0.48)
*Rounded off approximation
C
MIN
4.3
(0.17)
D
MAX
5.8
(0.23)
MIN
7.6
(0.30)
E
MAX
---
MIN
---
MAX
3.0
(0.12)
TABLE II. PERFORMANCE RATINGS:
I HOLD
RATED
CURRENT*
CURRENT
RATINGS
INITIAL
RESISTANCE
VALUES
TIME TO TRIP
AMPS
AT 20C
HOLD
1.2
AMPS
AT 20C
HOLD TRIP
1.2
2.3
OHMS
AT 20C
MIN
MAX
0.074
0.120
SECONDS AT
20C, 6.0A
MAX
3.5
R1 MAX
1 HR. POST
TRIP
RESISTANCE
STANDARD
TRIP
SECONDS
AT 20C
MAX
0.180
TRIPPEDSTATE
POWER
DISSIPATION
WATTS
AT 20C
TYP
0.78
* Values specified were determined using PCB’s w/ 0.050 x 1oz Cu traces
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL, CSA, TUV
PS300
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
© 2005, 2011 Tyco Electronics Corporation, a TE Connectivity Ltd. Company.
All rights reserved.