Radial Leaded Fuse Holders
281/556/557 Series Thru-Hole Circuit Board Mount Holders for Micro
TM
/TR-3 Fuses
281 Series PC Mount - Vertical
281 Series PC Mount - Horizontal
RoHS
Product Characteristics
281 Series
Vertical
Compatible
Fuses
Description
Electrical
281 Series
Horizontal
556 Series
Vertical
557 Series
Horizontal
MICRO
TM
/TR3
®
Thru-hole circuit board mount holders designed for
Littelfuse MICRO™/ TR3 type and other fuse series with
.025” diameter leads rated to 5 amps
Rated at 5A / 1.6W to 125 volts.
PC Board Thru-Hole @ 5.08 hole spacing
White
Vertical
White
Horizontal
Black
Vertical
Black
Horizontal
556 Series PC Mount - Vertical
557 Series PC Mount - Horizontal
Mounting
Method
Mount Color
& Direction
Molded Part
Specs
Metal Parts
and
Terminals
Ambient
Temperature
Unit Weight
White Thermoplastic
UL 94V0 PBT
Copper Alloy with options
Tin Plating (281008, 281010)
or
Silver Plating (281005, 281007)
–40ºC to +100ºC.
0.41g
0.50g
Black Thermoplastic
UL 94V0
Copper Alloy with
Tin Plating
Note: These products are shipped without fuse device
Dimensions
units in inch (mm)
0281 0007H, 0281 0010H
White / Horizontal Mount Devices
.25˝
.032˝
.10˝
.26˝
.20˝
.20˝
.20˝
.046˝
TYP.
.28˝
0.42g
0.51g
0281 0005H, 0281 0008H
White / Vertical Mount Devices
.10˝
REF.
.23˝
.23˝
.18˝
Note: Ensure proper fuseholder re-rating.
.020˝
.046˝
TYP.
Agency Approvals
Agency File Number
Agency
281 Series
E14721
556 Series
N/A
.25˝
DIA.
Circuit Board Mounting Detail
Circuit Board Mounting Detail
557 Series
N/A
.095˝
.105˝
.195˝
.205˝
.050˝ DIA.
.055˝ HOLES
(2)
.219˝
.229˝
.195˝
.205˝
.050˝ DIA.
.055˝ HOLES
(2)
.095˝
.105˝
Ordering Information
Ordering
Number
Terminal
Plating
Silver
1
Tin
1
Silver
1
Tin
1
Tin
Tin
Mount
Color
White
White
White
White
Black
Black
Mount
Direction
Vertical
Vertical
Horizontal
Horizontal
Vertical
Horizontal
Packaging
100
(Bulk pack)
100
(Bulk pack)
100
(Bulk pack)
100
(Bulk pack)
1000
(Bulk pack)
1000
(Bulk pack)
556 0000 0001
Black / Vertical Mount Devices
557 0000 0001
Black / Horizontal Mount Devices
0281 0005 H
0281 0008 H
0281 0007 H
0281 0010 H
556 0000 0001*
.244”(6.2)
.185±.01” .26”
(4.7±0.3) (6.6)
.20” (5.08)
.244”(6.2)
.138”
(3.5)
.177”
(4.5)
.020”
(.50)
.10±.002”
(2.54±.05)
.276”(7.0)
”
.01”
.10 54)
(0.3)
.047”
(2.
(1.2)
.016”(0.4)
.138”(3.5)
.260”(6.6)
.047”(1.2)
557 0000 0001*
.200±.006”
(5.08±.15)
Circuit Board Mounting Detail
Circuit Board Mounting Detail
.10”(2.54)
1. UL recognized.
* RoHs compliant.
Note: 0281 Series have Glow Wire
.051”
(1.3±0.1)
.20” (5.08)
.10”(2.54) .10”(2.54)
.20” (5.08)
.051”
(1.3±0.1)
Additional Information
Datasheet
Resources
Samples
© 2015 Littelfuse, Inc.
Specifications are testing to change without notice.
Specifications are subject to change without notice. Application subject is strongly recommended.
Revised: 06/15/15