1812L075/33DR Littelfuse Inc, 1812L075/33DR Datasheet - Page 3
![PTC RESETTABLE 33V 750MA 1812L](/photos/1/31/13142/ptc_reset_1812l_sml.jpg)
1812L075/33DR
Manufacturer Part Number
1812L075/33DR
Description
PTC RESETTABLE 33V 750MA 1812L
Manufacturer
Littelfuse Inc
Series
POLYFUSE® 1812Lr
Specifications of 1812L075/33DR
Package / Case
1812 (4532 Metric)
R Min/max
0.110 ~ 0.400 Ohm
Voltage - Max
33V
Time To Trip
0.2s
Current - Hold (ih) (max)
750mA
Current - Trip (it)
1.5A
Current - Max
20A
Hold Current
0.75 Amp
Trip Current
1.5 Amps
Current Rating (max)
20 Amps
Resistance
0.4 Ohms
Maximum Voltage
33 VoltsDC
Termination Style
SMD/SMT
Mounting Style
SMD/SMT
Current Rating
20 Amps
Dimensions
4.37 mm L x 3.07 mm W
Operating Temperature Range
- 40 C to + 85 C
Holding Current
750mA
Tripping Current
1.5A
Initial Resistance Max
0.4ohm
Operating Voltage
33VDC
Ptc Fuse Case
1812
External Depth
1.55mm
Initial Resistance Min
0.11ohm
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
1812L075/33DR
F3355TR
F3355TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
1812L075/33DR
Manufacturer:
LITTLEFUSE
Quantity:
30 000
Company:
Part Number:
1812L075/33DR
Manufacturer:
LITTLEFUSE
Quantity:
55 000
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1812L.html for current information.
Note: If reflow temperatures exceed the recommended profile,
©2008 Littelfuse, Inc.
Soldering Parameters
Physical Specifications
Terminal Material
Lead Solderability
Condition
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
oven, N
solvents.
devices may not meet the performance requirements.
2
environment for lead–free
Solder-Plated Copper (Solder Material:
Matte Tin (Sn))
Meets EIA Specification RS186-9E, ANSI/
J-STD-002 Category 3.
Reflow
260°C / 10 Sec
60 Sec ~ 100 Sec
50 Sec ~ 150 Sec
0°C~35°C, < = 70%RH
Surface Mount > 1812L Series
POLYFUSE
Revised: October 24, 2008
®
Resettable PTCs
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Vibration
Moisture Level Sesitivity
Environmental Specifications
260
220
180
120
0
Preheating
50 to 150
Soldering
60 to 100
Time(s)
-40°C to +85°C
125°C
+85°C, 1000 hours
-/+5% typical resistance change
+85°C, 85% R.H.,1000 hours
-/+5% typical resistance change
MIL–STD–202, Method 107G
+85°C/-40°C 20 times
-30% typical resistance change
MIL–STD–202, Method 215
No change
MIL–STD–883C, Method 2007 .1,
Condition A
No change
Level 2, J–STD–020C
120
Cooling
1812L Series