Fuse Holders Datasheet
820/821/823/824 Series
Panel Mount Enclosed Fuseholders
RoHS
820 Series Holder
820 Series
835 20 Cap
FLUSH MOUNT TYPE
820 20 Series Holder
7,62
M12,7x1,5
4,45
Fuse carrier inserted
max. 0,2
0,5
Dimensions 820
Pb
Bayonet-joint
3,2 2,5
821 Series Holder
4,8
ø16
ø15
FLUSH MOUNT TYPE
SW14
835 Cap
5,5 1...6 5
32
823 Series Holder
12 -0,1
11,7 -0,15
8
12,7 -0,1
12,7 -0,1
837 Cap
FINGER GRIP TYPE
824 Series Holder
821 Series
max.0,2
distance
fuse-carrierinserted
ø15
bayonet-joint
32
1...4,5 10
824 20 Series Holder
5
ø16
Additional Information
panelmounting
R1
SW14
835C
4,45
2,5 3,2
8
M12,7x1,5(P0,75)
0,5
P.
4,8±0,1
823 Series
824 Series
Distortion Protection
ø15
Samples
821 Series
ø12,72+0,1
panel
ø11,7 mounting
R1
4,45
0,5
P. 7,62±0,1
3,2 2,5
4,8
Accessories
821 Series
distance
4,8±0,1
ø15
Resources
821 Series
Clamp spring
Bayonet-joint
fuse-carrier
bayonet-joint
2,5
1,2...2,5
32
8
7,62
5,5
4,45
0,5
Fuse carrier inserted
max. 0,2
max.0,2
Samples
820 Series
11
Accessories
820 Series
12-0,1
2,5 3,2
Resources
820 Series
11,7-0,15
ø12,7-0,1
ø12,7-0,1
7,62±0,1
5,5
ø12,7±0,05
0,75 ... 3
32
12 -0,1
8
Resources
823 Series
Accessories
823 Series
Samples
823 Series
12,7 -0,1
837 Cap
835 Cap
Slot for screwdriver
Bayonet-connector-nose
Accessories
824 Series
Samples
824 Series
7
7
max. 29,6
7
ø9,2
1,5
1,2
Slot for screwdriver
1,2
Resources
824 Series
max. 20,6
1,5
Bayonet-connector-nose
ø9,2
Specifications are subject to change without notice. Application testing is strongly recommended.
1
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 07/15/21
835C
Fuse Holders Datasheet
820/821/823/824 Series
Panel Mount Enclosed Fuseholders
820 Series
Product Characteristics
820 20 Series
821 Series
823 Series
Compatible Fuses
Holder/Cap:
Black
Thermoplastic
UL 94 V-0
Materials
824 Series
824 20 Series
Holder/Cap:
Thermoplastic
UL 94V-0, black
Holder/Cap:
Thermoplastic
UL94 V-0, white
5×20mm
Holder/Cap:
Holder/Cap:
White Thermoplastic Thermoplastic
PBT, UL94 V-0
black, UL94 V-0
Nut:Thermoplastics,
black, UL94 V-0
Metal Parts: Copper alloy, corrosion protected
Holder/Cap:
Black Thermoplastic
UL94 V-0
Clamp Spring:
Spring steel,
non-treated
Terminals:
Solderable, tinned
Electrical Data (23ºC)
Rated Voltage: 250V
Rated Current: 6.3A (VDE) 16A (UL/CSA)
Rated Power:
Rated Power:
2.5 W (VDE)
2.5 W (VDE)
Rated Power:
2.5 W (VDE)
Rated Power:
4 W (VDE)
12.7mm diameter
D-hole or double D-hole
(panel 1mm - 4.5mm)
Admissible torque on
plastic hex nut is 1.2Nm
Pluggable with
clamping spring into
12.7mm diameter
D-hole (panel thickness
0.75mm-3mm)
Rated Power:
4W
Mounting
12.7mm diameter D-hole or double D-hole
Admissible torque on plastic hex nut is
1.2Nm
Terminals
Protection Category
Operating Temperature
Climatic Test
Stock Conditions
Vibration Resistance
Contact Resistance
Dielectric Strength
Solderable or 4.8mm quick connect-fits 0.5mm tab
IP 40 (IEC 60529) PC2 (IEC 60127-6)
-25ºC to +70ºC
-25 ºC/+70 ºC/21 days (IEC 60068-2-1...3)
+10ºC to +60ºC relative humidity ≤ 75% yearly average, without dew, maximum value for 30 days - 95%
24 cycles at 15 min. each (IEC 60068-2-6)10 - 60Hz at 0.75mm amplitude 60 - 2000Hz at 10g acceleration
≤ 5mΩ
> 1.5 kV
Impulse Voltage
4kV, 50Hz, 1min, dry 4kV with 1,2µs/50µs
Insulation Resistance
Marking
> 103 MΩ (500 VDC, 1 min.)
235ºC, 3 sec (Wave) 235ºC, 2 sec. (Solder Bath) (IEC 60068-2-20)
350ºC, 1 sec.
350ºC, 3 sec. (Solder Iron) (IEC 60068-2-20)
(Solder Iron)
260ºC, 5 sec. (IEC 60068-2-20)
Conductor - 2.5mm2
820, 250 V, Approvals
821, 250V, Approvals
823, 250V, Approvals
824, 250V, Approvals
Unit Weight
4.0g (Holder) / 1.6g
(835) / 2.2g (837)
3.8g (Holder) / 1.6g
(835) / 2.2g (837)
3.3g (824) / 1.6g
(835) / 2.2g (837)
Solderability
Soldering Heat Resist
Min. Cross Section
4.0 g (820) / 1.6 g
(835)
Pluggable (panel thickness 1.2 mm-2.5 mm)
4kV, 50Hz, 1 min., dry
4.0g (821) / 1.6g
(835) / 2.2g (837)
235ºC, 3 sec. (Wave) 350ºC, 1 sec. (Soldering Iron)
3.3g (824) / 1.6g
(835) / 2.2g (837)
Agency Approval
Agency
Agency File Number
132225
125183
135536
122096
122098
-
E 70164
E70164
E70164
E 70164
E70164
-
47574
47574
47574
47574
47574
-
82300000005
82400000005
82400000205
Ordering Information
Ordering Number:
Holders
Ordering Number:
Caps
Packaging
82000000005
82000000205
82100000005
Flush Mount Type: 83500000005 / 83500000205
Finger Grip Type 83700000005
Bulk 100 Pcs all items listed above
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics.
2
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 07/15/21
