PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: LTP340F
DOCUMENT: SCD26170
PCN: E48836
REV LETTER: C
REV DATE: MAY 11, 2011
PAGE NO.: 1 OF 1
Specification Status: Released
Electrical Rating
Voltage: 24V MAX
Current: 100A MAX
Chip Size: 15 X 13mm
Leads: Nickel 1/4H
0.125mm nominal thickness
Tape:
Polyester (Yellow)
16.0mm nominal Width
Solder: Lead-free
Marking: (Color: Green)
Manufacturer's Mark
L34
Part Identification
Lot Identification
TABLE I. DIMENSIONS:
mm:
in*:
A
B
MIN
MAX
MIN
MAX
24.0
26.0
14.8
15.9
(0.94) (1.02) (0.58) (0.63)
*Rounded off approximation
C
MIN
0.6
(0.02)
MAX
1.0
(0.04)
MIN
4.0
(0.16)
D
MAX
5.0
(0.20)
MIN
4.0
(0.16)
E
MAX
5.0
(0.20)
MIN
5.9
(0.23)
F
MAX
6.1
(0.24)
TABLE II. PERFORMANCE RATINGS: As measured in Mueller Kelvin Clips model BU-75K.
I HOLD
CURRENT TRIP LIMITS
TIME TO
TRIP
REFERENCE
RESISTANCE
ONE-HOUR
POST-TRIP
RESISTANCE
OHMS
AT 20°C
TYP
MAX
0.036 0.050
TRIPPED-
STATE
POWER
DISSIPATION
WATTS AT
20°C, 24V
MAX
2.7
AMPS
20°C
HOLD
3.4
AMPS
AT 0°C
HOLD TRIP
4.0
8.0
SECONDS AT
AMPS
AMPS
AMPS
OHMS
AT 20°C
AT 60°C
AT 80°C
20°C, 17 A
AT 20°C
HOLD TRIP HOLD TRIP HOLD TRIP TYP MAX MIN MAX
3.4
6.8
1.9
3.8
1.1
2.2
2
5
0.016 0.027
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
Materials Information:
ROHS Compliant
UL, TUV, CSA
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.
ELV Compliant
Pb-Free
© 2005, 2011 Tyco Electronics Corporation, a TE Connectivity Ltd. Company. All rights reserved.
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