POLYFUSE® Resettable PTCs
Surface Mount > 1812L Series
Part Ordering Number System
1812 L xxx /xx TH Y R HF
HALOGEN FREE PRODUCT INDICATOR
Required for some items. See Packaging section.
PACKAGING STYLE
R: Tape & Reel
SERIES
QUANTITY CODE: M=1000 D=1500 P or Z =2000
LOW PROFILE DEVICE INDICATOR
(Required, for L200 and L260 device orders only.
Refer to “C” in Dimensions section.)
SPECIAL VOLTAGE RATING ITEM
(Not applicable to all parts. Refer to Electrical
Characteristics Table for additional information)
I HOLD HOLD CURRENT CODE
(Refer to Electrical Characteristics Table)
L: LITTELFUSE SURFACE MOUNT PPTC
DEVICE SIZE CODE (0.18 x 0.12 inch)
Packaging
Voltage
Option
Packaging
Option
Quantity &
Packaging Code
Part Number Ordering Number Halogen Free* Ihold (A) Ihold Code
Quantity
1500
1812L010DRHF
1812L010DR
Yes
No
1812L010
1812L014
1812L020
0.10
0.14
0.20
010
014
020
DR
DR
PR
1812L014DRHF
1812L014DR
Yes
No
1500
1812L020PRHF
1812L020PR
Yes
No
2000
1812L050PRHF
1812L050PR
1812L050/30PR
1812L075PRHF
1812L075PR
Yes
No
Yes
Yes
No
1812L050
1812L050/30
1812L075
0.50
0.50
0.75
050
050
075
2000
2000
2000
PR
PR
PR
/30
1812L075/24DRHF
1812L075/24DR
1812L075/33DRHF
1812L075/33DR
1812L110PRHF
1812L110PR
Yes
No
Yes
No
Yes
No
1812L75/24
1812L75/33
1812L110
0.75
0.75
1.10
075
075
110
/24
/33
1500
1500
2000
DR
DR
PR
1812L110/16DRHF
1812L110/16DR
1812L110/24DR
1812L110/33MRHF
1812L110/33MR
1812L125DRHF
1812L125DR
Yes
No
Yes
Yes
No
1812L110/16
1812L110/24
1812L110/33
1.10
1.10
1.10
110
1.10
110
/16
/24
/33
1500
1500
1000
DR
DR
MR
Tape and Reel
Yes
No
1812L125
1.25
125
1500
DR
1812L125/6PRHF
1812L125/6PR
1812L125/16DR
1812L150ZR
1812L150ZRHF
1812L150/12DRHF
1812L150/12DR
1812L150/24MRHF
1812L150/24MR
1812L160PRHF
1812L160PR
1812L160/12DRHF
1812L160/12DR
1812L200THPR
1812L260THDR
1812L260/12MR
1812L300MR
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
1812L125/6
1812L125/16
1812L150
1.25
1.25
1.50
125
125
150
/6
2000
1500
2000
PR
DR
ZR
/16
1812L150/12
1812L150/24
1812L160
1.50
1.50
1.60
1.60
150
150
160
160
/12
/24
1500
1000
2000
1500
DR
MR
PR
1812L160/12
/12
/12
DR
1812L200TH
1812L260TH
1812L260/12
1812L300
2.00
2.60
2.60
3.00
200
260
260
300
2000
1500
1000
1000
PR
DR
MR
MR
* Effective September 15, 2009 onward, all 1812L PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 1812L PTC products will continue to be sold until
supplies are depleted. Effective January 1, 2010, all 1812L PTC product will be manufactured and sold as Halogen Free by default, and “HF” part number suffix code will be discontinued.
43
©2009 Littelfuse, Inc.
1812L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1812L.html for current information.
Revised: December 2, 2009