24LT300U

24LT300U Datasheet

24LT100

Part	Datasheet
24LT300U	24LT300U (pdf)

Related Parts	Information
24LT190SU	24LT190SU
15LT070SU	15LT070SU
24LT180SSU	24LT180SSU
24LT180SU	24LT180SU
24LT100SU	24LT100SU
24LT190U	24LT190U
24LT260U	24LT260U
24LT310U	24LT310U
24LT100SSU	24LT100SSU
24LT180U	24LT180U
15LT070U	15LT070U
24LT340U	24LT340U

PDF Datasheet Preview
Resettable PTCs Axial Lead Battery Strap Type > LT Series LT Series Agency Approvals AGENCY FILE NUMBER E183209 R50119583 The new LT Series device provides reliable, noncycling protection against overcharging and short circuits events for rechargeable battery cells where resettable protection is desired. • RoHS compliant and • Weldable Nickel terminals • Compact design saves board space • Low resistance • Provides overcurrent protection at 100°C trip temperature • Rechargeable battery cell protection - Mobile phones - Laptop computers Electrical Characteristics I hold 15LT070 15LT070S 24LT100 24LT100S 24LT100SS 24LT180 24LT180S 24LT180SS 24LT190 24LT190S 24LT260 24LT300 24LT310 24LT340 Maximum Time I trip V max I max Pd max. To Trip A Vdc A W Current Time Sec. Resistance R min Ω R typ Ω Items with S and SS at end of part number identify items with slit lead option. See Dimension Drawing and Part Ordering Number System sections of this document for more information. I hold = Hold current maximum current device will pass without tripping in 20°C still air. I trip = Trip current minimum current at which the device will trip in 20°C still air. V max = Maximum voltage device can withstand without damage at rated current I max I max = Maximum fault current device can withstand without damage at rated voltage Vmax P d = Power dissipated from device when in the tripped state at 20°C still air. R min = Minimum resistance of device in initial un-soldered state. R typ = Typical resistance of device in initial un-soldered state. R 1max = Maximum resistance of device at 20°C measured one hour after tripping or soldering of 260°C for 20 sec. Caution Operation beyond the rating may result in damage and possible arcing and 2010 Littelfuse, Inc are subject to change without notice. Please refer to for current information. LT Series LT Series Resettable PTCs Axial Lead Battery Strap Type > LT Series Temperature Rerating Part Number 15LT070 15LT070S 24LT100 24LT100S 24LT100SS 24LT180 24LT180S 24LT180SS 24LT190 24LT260 24LT300 24LT310 24LT340 -40°C -20°C Ambient Operation Temperature 0°C 20°C 40°C 50°C Hold Current A 60°C Average Time Current Curves Temperature Rerating Curve 70°C 85°C 190% 170% 150% Percentage of Rated Current 130% 110% 70% 1 10% -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 Temperature °C Time in Seconds 1000 Current in Amperes The average time current curves and Temperature Rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application. LT Series Part Ordering Number System 24 LT 190 S U QUANTITY CODE U 500 bulk LEAD OPTIONS Blank = standard S = slit lead SS = both leads slit HOLD CURRENT VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS SERIES Voltage Rating VDC Packaging 15LT070 15LT070S 24LT100 24LT100S 24LT100SS 24LT180 24LT180S 24LT180SS 24LT190 24LT190S 24LT260 24LT300 24LT310 24LT340 Ordering Number I hold A I hold Code 15LT070U 070 15LT070SU 070 24LT100U 100 24LT100SU 100 24LT100SSU 100 24LT180U 180 24LT180SU 180 24LT180SSU 180 24LT190U 190 24LT190SU 190 24LT260U 260 24LT300U 300 24LT310U 310 24LT340U 340 Packaging Option Bulk Quantity Quantity & Packaging Codes LT Series 2010 Littelfuse, Inc. are subject to change without notice. Please refer to for current information.

PDF Datasheet Preview

Resettable PTCs

Axial Lead Battery Strap Type > LT Series

LT Series

Agency Approvals

AGENCY FILE NUMBER E183209

R50119583

The new LT Series device provides reliable, noncycling protection against overcharging and short circuits events for rechargeable battery cells where resettable protection is desired.
• RoHS compliant and
• Weldable Nickel terminals
• Compact design saves
board space
• Low resistance
• Provides overcurrent protection at 100°C trip temperature
• Rechargeable battery cell protection - Mobile phones - Laptop computers

Electrical Characteristics

I hold
15LT070
15LT070S
24LT100
24LT100S
24LT100SS
24LT180
24LT180S
24LT180SS
24LT190
24LT190S
24LT260
24LT300
24LT310
24LT340

Maximum Time

I trip

V max

I max

Pd max.

To Trip

A Vdc A

W Current Time

Sec.

Resistance

R min Ω

R typ Ω
Items with S and SS at end of part number identify items with slit lead option. See Dimension Drawing and Part Ordering Number System sections of this document for more information.

I hold = Hold current maximum current device will pass without tripping in 20°C still air. I trip = Trip current minimum current at which the device will trip in 20°C still air. V max = Maximum voltage device can withstand without damage at rated current I max I max = Maximum fault current device can withstand without damage at rated voltage Vmax P d = Power dissipated from device when in the tripped state at 20°C still air. R min = Minimum resistance of device in initial un-soldered state.

R typ = Typical resistance of device in initial un-soldered state. R 1max = Maximum resistance of device at 20°C measured one hour after tripping or
soldering of 260°C for 20 sec.

Caution Operation beyond the rating may result in damage and possible arcing and
2010 Littelfuse, Inc
are subject to change without notice. Please refer to for current information.

LT Series

LT Series

Resettable PTCs

Axial Lead Battery Strap Type > LT Series

Temperature Rerating

Part Number 15LT070 15LT070S 24LT100 24LT100S
24LT100SS 24LT180 24LT180S
24LT180SS 24LT190 24LT260 24LT300 24LT310 24LT340
-40°C
-20°C

Ambient Operation Temperature
0°C
20°C
40°C
50°C

Hold Current A
60°C

Average Time Current Curves

Temperature Rerating Curve
70°C
85°C
190%
170%
150%

Percentage of Rated Current
130%
110%
70% 1
10% -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 Temperature °C

Time in Seconds
1000

Current in Amperes

The average time current curves and Temperature Rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application.

LT Series
Part Ordering Number System
24 LT 190 S U

QUANTITY CODE U 500 bulk

LEAD OPTIONS Blank = standard S = slit lead SS = both leads slit

HOLD CURRENT VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS SERIES Voltage Rating VDC

Packaging
15LT070 15LT070S 24LT100 24LT100S 24LT100SS 24LT180 24LT180S 24LT180SS 24LT190 24LT190S 24LT260 24LT300 24LT310 24LT340
Ordering Number

I hold A

I hold Code
15LT070U 070
15LT070SU 070
24LT100U 100
24LT100SU 100
24LT100SSU 100
24LT180U 180
24LT180SU 180
24LT180SSU 180
24LT190U 190
24LT190SU 190
24LT260U 260
24LT300U 300
24LT310U 310
24LT340U 340

Packaging Option Bulk

Quantity

Quantity & Packaging Codes

LT Series
2010 Littelfuse, Inc.
are subject to change without notice. Please refer to for current information.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived 24LT300U Datasheet file may be downloaded here without warranties.

Datasheet ID: 24LT300U 646492