1812L075/33DR Littelfuse Inc, 1812L075/33DR Datasheet

PTC RESETTABLE 33V 750MA 1812L

1812L075/33DR

Manufacturer Part Number
1812L075/33DR
Description
PTC RESETTABLE 33V 750MA 1812L
Manufacturer
Littelfuse Inc
Series
POLYFUSE® 1812Lr
Datasheets
1.1812L110PR.pdf (6 pages)
2.1812L014DR.pdf (6 pages)

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
1812L075/33DR
Manufacturer:
LITTLEFUSE
Quantity:
30 000
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
1812L075/33DR
Manufacturer:
LITTLEFUSE
Quantity:
55 000
Company:
H&T Electronics H&T Electronics
Part Number:
1812L075/33DR
Quantity:
1 187
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1812L.html for current information.
I
I
V
I
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
*Note: Some devices in this product series may have “–C“ in the Part Number. The “–C“ should be omitted when placing orders for the device.
©2008 Littelfuse, Inc.
hold
trip
max
max
Agency Approvals
AGENCY
Electrical Characteristics
Part Number*
= Trip current: minimum current at which the device will trip in 20°C still air.
= Hold current: maximum current device will pass without tripping in 20°C still air.
= Maximum fault current device can withstand without damage at rated voltage (V
1812L075/24
1812L075/33
1812L150/12
1812L150/24
1812L160/12
1812L110/16
1812L110/33
1812L050
1812L075
1812L125
1812L150
1812L160
1812L200
1812L260
= Maximum voltage device can withstand without damage at rated current (I max)
1812L110
1812L125/6
1812L020
1812L010
1812L014
1812L Series
–C
–C
–C
–C
–C
–C
–C
–C
AGENCY FILE NUMBER
E183209
R50119118
LF075-24
LF075-33
LF150-24
LF110-33
LF150-12
LF160-12
Marking
LF110-16
LF125-6
LF020
LF050
LF075
LF125
LF150
LF160
LF200
LF260
LF010
LF014
LF110
0.20
0.50
0.75
0.75
0.75
2.00
2.60
I
0.10
0.14
1.25
1.25
1.50
1.50
1.50
1.60
1.60
1.10
1.10
1.10
(A)
hold
3.00
3.00
3.00
5.00
0.30
0.34
0.40
1.00
1.50
1.50
1.50
2.20
1.95
1.95
2.50
2.50
2.80
2.80
3.50
I
(A)
trip
Surface Mount > 1812L Series
POLYFUSE
(Vdc)
V
13.2
30
60
30
15
24
33
16
33
15
12
24
12
6
6
8
8
8
6
max
I
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
(A)
20
20
20
10
max
Revised: October 24, 2008
max
max.
(W)
)
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
P
®
d
Resettable PTCs
P
R
R
R
Current
d
min
typ
1max
Description
The 1812L Series device provides surface mount
overcurrent protection for applications where resettable
protection is desired.
Features
Applications
Maximum Time
0.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
= Power dissipated from device when in the tripped state at 20°C still air.
1.50
(A)
= Typical resistance of device in initial (un-soldered) state.
for motherboards and
peripherals
= Minimum resistance of device in initial (un-soldered) state.
lead-free
currents
board space
= Maximum resistance of device at 20°C measured one hour after tripping or reflow
soldering of 260°C for 20 sec.
To Trip
(Sec.)
Time
0.15
0.02
0.15
0.20
0.20
0.20
0.30
0.50
0.50
0.40
0.40
0.30
0.50
1.00
1.00
2.00
2.50
1.50
1.50
0.800
0.150
0.100
0.040
0.060
0.060
0.050
0.050
0.040
0.040
0.040
0.030
0.030
0.020
1.600
1.500
0.110
0.110
0.015
R
(Ω)
min
Resistance
4.000
2.900
0.600
0.260
0.200
0.260
0.090
0.070
0.070
0.066
0.040
0.030
0.120
0.120
0.120
0.160
0.070
0.066
7 .000
R
(Ω)
typ
temperature solders
protection
15.000
6.000
5.000
0.400
0.200
R
1.000
0.450
0.290
0.210
0.180
0.250
0.140
0.120
0.100
0.100
0.060
0.047
0.110
0.110
(Ω)
1max
Approvals
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Agency
1812L Series
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

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1812L075/33DR Summary of contents

Page 1

Series Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50119118 Electrical Characteristics I I Part Number* Marking hold trip (A) (A) 1812L010 LF010 0.10 0.30 1812L014 LF014 0.14 0.34 1812L020 LF020 0.20 0.40 1812L050 LF050 0.50 1.00 –C 1812L075 LF075 ...

Page 2

POLYFUSE Temperature Rerating -40°C -20°C Part Number* 1812L010 0.16 0.14 1812L014 0.23 0.19 1812L020 0.29 0.26 1812L050 0.77 0.68 –C 1812L075 1.15 1.01 –C 1812L075/24 1.06 0.95 1812L075/33 1.10 1.00 1812L110 1.59 1.43 –C 1812L110/16 1.58 1.43 1812L110/33 1.55 1.40 ...

Page 3

Physical Specifications Solder-Plated Copper (Solder Material: Terminal Material Matte Tin (Sn)) Meets EIA Specification RS186-9E, ANSI/ Lead Solderability J-STD-002 Category 3. Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260° Sec Time above liquids (TAL) 220°C 60 Sec ...

Page 4

POLYFUSE Dimensions MARKING CODE VARIES WITH AMPERAGE AND VOLTAGE RATING (See Electrical Characteristics Table) SHOWN ARE: - 1.1A/6V RATING (LEFT) - 1.1A/33V RATING (RIGHT) A Top 110 B View 3.45 mm Bottom 110 Pad View Layout D E 1.78mm (.070”) ...

Page 5

Part Ordering Number System* 1812 L 075 / PACKAGING STYLE R: Tape & Reel SERIES QUANTITY CODE: D=1500 M=1000 P=2000 /XX: SPECIAL VOLTAGE RATING (Not applicable to all parts. Refer to Electrical Characteristics Table) I HOLD CURRENT CODE ...

Page 6

POLYFUSE Tape and Reel Specifications TAPE SPECIFICATIONS: EIA-481-1 (mm) 1812L020, 1812L050–C, 1812L075/24, 1812L075–C, 1812L110–C, 1812L110/16, 1812L125/6, 1812L150–C, 1812L150/12, 1812L160–C 12.00+0.30-0.10 W 5.50+/- 0.05 F 1.75+/- 0. 1.50+0. 1.50+0. 4.00+/- 0. 8.00+/- 0.10 ...

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