1812L190SLPR Littelfuse Inc, 1812L190SLPR Datasheet - Page 2

• Manufacturer Part Number: 1812L190SLPR
• Description: PTC RESETBL 6V 1812 1.90A LOW-R
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® Lo Rhor

Specifications of 1812L190SLPR

• R Min/max: 0.003 ~ 0.025 Ohm
• Voltage - Max: 6V
• Time To Trip: 4.5s
• Current - Hold (ih) (max): 1.9A
• Current - Trip (it): 4.9A
• Current - Max: 50A
• Package / Case: 1812 (4532 Metric)
• Holding Current: 1.9A
• Tripping Current: 4.9A
• Initial Resistance Max: 0.025ohm
• Operating Voltage: 6VDC
• Ptc Fuse Case: 1812
• Initial Resistance Min: 0.003ohm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1812L190SL; F3369TR

Lo Rho Series
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.
Average Time Current Curves
Temperature Rerating
Terminal Material
Lead Solderability
Physical Specifications
1812L190SLPR
Part Number
10.000
0.010
1.000
0.100
1.0
2.00
3.26
6.16
3.00
1.24
1.93
Current in Amperes
10.0
2.32
4.60
POLY-FUSE
LoRho Series
Ambient Operation Temperature
0.94
4.64
2.22
1.38
1.40
Surface Mount > Lo Rho Series
100.0
®
Hold Current (A)
2.00
4.00
1.10
1.10
1.90
Revised: March 30, 2011
Resettable PTCs
10
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Vibration
Moisture Sensitivity Level
Temperature Rerating Curve
Environmental Specifications
0.62
0.83
0.83
2.80
3.48
1.49
170%
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20
2.00
2.80
1.29
1.14
Please refer to www.littelfuse.com/series/LoRho.html for current information.
-10
0.41
0.44
0.64
0.93
0
1.09
1.60
10
Specifications are subject to change without notice.
Temperature (°C)
No change
Condition A
No change
20
30
0.23
0.21
0.24
0.36
1.00
0.61
1.92
40
50
60
© 2011 Littelfuse, Inc.
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80