Fuse Holders Datasheet

© 2022 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: GD. 12/08/22

2

820/821/823/824 Series

Panel Mount Enclosed Fuseholders

Product Characteristics

820 Series

820 20 Series

821 Series

823 Series

824 Series

824 20 Series

Compatible Fuses

5×20mm

Materials

Holder/Cap:

Black

Thermoplastic

UL 94 V-0

Holder/Cap:

White Thermoplastic

PBT, UL94 V-0

Nut:Thermoplastics,

black, UL94 V-0

Holder/Cap:

Thermoplastic

black, UL94 V-0

Holder/Cap:

Black Thermoplastic

UL94 V-0

Holder/Cap:

Thermoplastic

UL 94V-0, black

Holder/Cap:

Thermoplastic

UL94 V-0, white

Metal Parts: Copper alloy, corrosion protected

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:

2.5 W (VDE)

Rated Power:

2.5 W (VDE)

Rated Power:

2.5 W (VDE)

Rated Power:

4 W (VDE)

Rated Power:

4 W

Mounting

12.7mm diameter D-hole or double D-hole

Admissible torque on plastic hex nut is

1.2Nm

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)

Pluggable (panel thickness 1.2 mm-2.5 mm)

Terminals

Solderable or 4.8mm quick connect-fits 0.5mm tab

Protection Category

IP 40 (IEC 60529) PC2 (IEC 60127-6)

OperatingTemperature -25ºC to +70ºC

Climatic Test

-25 ºC/+70 ºC/21 days (IEC 60068-2-1...3)

Stock Conditions

+10ºC to +60ºC relative humidity ≤ 75% yearly average, without dew, maximum value for 30 days - 95%

Vibration Resistance

24 cycles at 15 min. each (IEC 60068-2-6)10 - 60Hz at 0.75mm amplitude 60 - 2000Hz at 10g acceleration

Contact Resistance

≤ 5mΩ

Dielectric Strength

> 1.5 kV

Impulse Voltage

4kV, 50Hz, 1min, dry 4kV with 1,2µs/50µs

4kV, 50Hz, 1 min., dry

Insulation Resistance

> 103 MΩ (500 VDC, 1 min.)

Solderability

235ºC, 3 sec (Wave)

350ºC, 1 sec.

(Solder Iron)

235ºC, 2 sec. (Solder Bath) (IEC 60068-2-20)

350ºC, 3 sec. (Solder Iron) (IEC 60068-2-20)

235ºC, 3 sec. (Wave) 350ºC, 1 sec. (Soldering Iron)

Soldering Heat Resist 260ºC, 5 sec. (IEC 60068-2-20)

Min. Cross Section

Conductor - 2.5mm2

Marking

820, 250 V, Approvals

821, 250V, Approvals 823, 250V, Approvals

824, 250V, Approvals

Unit Weight

4.0g (Holder) / 1.6g

(835) / 2.2g (837)

4.0 g (820) / 1.6 g

(835)

4.0g (821) / 1.6g

(835) / 2.2g (837)

3.8g (Holder) / 1.6g

(835) / 2.2g (837)

3.3g (824) / 1.6g

(835) / 2.2g (837)

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

-

Ordering Information

Ordering Number:

Holders

82000000005

82000000205

82100000005

82300000005

82400000005

82400000205

Ordering Number:

Caps

Flush Mount Type: 83500000005 / 83500000205

Finger Grip Type 83700000005

Packaging

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.