308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Devi ce
Raychem Circuit Protection Products
PRODUCT: LR4-73XF
DOCUMENT: SCD 25853
PCN: E62269
REV LETTER: C
REV DATE: JUNE 16, 2007
PAGE NO.: 1 OF 1
Specification Status: RELEASED
Electrical Rating
Voltage: 20V MAX
Current: 100A MAX
Nickel Leads: 0.125mm
Tape: Polyester(White)
35mm Width
Solder: Lead-free
Lot Marking Ink Color (Green)
Marking:
Manufacturer's Mark
E7X
Lot Identification
Part Identification
C
ED
FB
OR IE NTATIO N MAR K ( B l ue )
A
TABLE I. DIMENSIONS:
A B C D E G
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
mm: 45.4 47.6 7.9 8.5 0.6 1.0 4.6 6.2 4.6 6.2 5.9 6.1
in*: (1.79) (1.87) (0.31) (0.33) (0.02) (0.04) (0.18) (0.24) (0.18) (0.24) (0.23) (0.24)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS: (As measured in Muller Kelvin clips model BU-75K.)
I HOLD CURRENT TRIP LIMITS TIME TO
TRIP REFERENCE
RESISTANCE ONE-HOUR
POST-TRIP
RESISTANCE
TRIPPED-
STATE
POWER
DISSIPATION
AMPS
20°C AMPS
AT 0°C AMPS
AT 20°C AMPS
AT 60°C AMPS
AT --°C SECONDS AT
20°C,30.0A OHMS
AT 20°C OHMS
AT 20°C WATTS AT
20°C, 20V
HOLD HOLD TRIP HOLD TRIP HOLD TRIP HOLD TRIP TYP MAX MIN MAX MIN MAX TYP MAX
7.3 8.6 16.6 7.3 14.1 5.4 10.5 -- -- -- 5 0.008 0.011 0.008 0.015 -- 3.3
Agency Recognitions: UL, TUV, CSA
Reference Documents: PS300
Precedence: This specification takes precedence over documents referenced herein.
Effectivity: Reference documents shall be the issue in effect on the date of invitation for bid.
CAUTION: Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
© 2004, 2007 Tyco Electronics Corporation. All rights reserved.