Littelfuse 281_282 Series - Manual

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Leaded Fuse Holders
Product Characteristics
Dimensions units in inch (mm)
Compatible Fuses MICRO TM /TR3 ®
Description
Panel mount holder designed for Littelfuse
MICRO™/ TR3 ® type and other fuse series with
.025” diameter leads rated to 5 amps
Electrical Specs Rated at 5 amperes for any voltage up to 125 volts
Mounting Specs Maximum panel thickness is .09”.
Ambient Temp. –40ºC to +125ºC.
Retaining Hardware “Push-On” retaining nut
Molded Material Black Thermoset
Terminal Material Beryllium copper with silver plating
281/282 Series Panel Mount Holders for MICRO TM /TR3 ® Fuses
Note: Ensure proper fuseholder de-rating.
Product Characteristics
Dimensions units in inch (mm)
Compatible Fuses MICRO TM /TR3 ®
Description
RF-shielded and drip-proof screw-on knob design
enables use of Littelfuse MICRO™/ TR3 ® fuses when
presence of moisture exists at front of panels
Electrical Specs Rated at 5 amperes for any voltage up to 125 volts.
Mounting Specs
Front panel mount, maximum panel thickness: .093”.
Rear panel mount, maximum panel thickness: .125”.
Ambient Temp. –40ºC to +125ºC.
Mounting
Gasket Options Neoprene (282001, 282002) or
Conductive Silicone (282007, 282008)
Retaining
Hardware Options Threaded Hex Nut (282002, 282008) or
Threaded Knurled Nut (282001, 282007)
Molded Material Black thermoset.
Housing, Knob
and Nut Material
Aluminum, untreated.
Terminal Material Beryllium copper with silver plating
Knob Seal Buna “N” O-ring inside the knob.
.345"
.350"
.380"
.385" .46" .015"
GASKET
BODY
PANEL
KNOB
KNURLED NUT
.73" REF.
.10" REF. .63" REF.
.50" REF. .22" .015"
Mounting Hole
.345"
.350"
.380"
.385" .46" .015"
HEX NUT
PANEL
KNOB BODY
GASKET
.90" REF.
.66" REF.
.50" REF.
Mounting Hole
Mounting Hole
0282 0001 and 0282 0007
Front of Panel Mounting with Threaded Hex / Rear Retaining Nut
0281 0001
Front of Panel Mounting with Push-On / Rear Retaining Nut
0282 0002 and 0282 0008
Rear of Panel Mounting with Threaded Knurled / Front Retaining Nut
.45" REF.
.25"
.39" REF.
.158"
.160"
.190"
.193"
Rear of Panel Mounting
with Threaded Knurled /
Front Retaining Nut Front of Panel Mounting
with Threaded Hex /
Rear Retaining Nut
Note: Ensure proper fuseholder de-rating.
Front of Panel Mounting
with Push-On / Rear Retaining Nut
Note: These products are shipped unassembled and without fuse device
282 Series Panel Mount - Sealed/Moisture Resist Knob
281 Series Panel Mount
.345"
.350"
.380"
.385" .46" .015"
GASKET
BODY
PANEL
KNOB
KNURLED NUT
.73" REF.
.10" REF. .63" REF.
.50" REF. .22" .015"
Mounting Hole
.345"
.350"
.380"
.385" .46" .015"
HEX NUT
PANEL
KNOB BODY
GASKET
.90" REF.
.66" REF.
.50" REF.
Mounting Hole
Mounting Hole
0282 0001 and 0282 0007
Front of Panel Mounting with Threaded Hex / Rear Retaining Nut
0281 0001
Front of Panel Mounting with Push-On / Rear Retaining Nut
0282 0002 and 0282 0008
Rear of Panel Mounting with Threaded Knurled / Front Retaining Nut
.45" REF.
.25"
.39" REF.
.158"
.160"
.190"
.193"