Littelfuse 837 Series User Manual download pdf

050906

WebSite www.littelfuse.com

In our continuing strategy to deliver unparalleled circuit protection solutions,

technical expertise and application leadership, we proudly introduce the

WICKMANN Group and its products to the Littelfuse portfolio.

ø15

M12,7x1,5(P0,75)

7,62

±0,1

2,5

3,2

4,8±0,1

ø16

4,45

0,5

SW14

1...4,5

Einsatzträger eingesetzt

Renkverschluß

Gerätewand

panel mounting

fuse-carrier inserted

Überstand

distance

bayonet-joint

max. 0,2

-0,1

ø12,7

-0,1

ø12,7

11,7

-0,15

Ø9,2

1,5

max. 20,5

1,2

Renkverschlußnase

Bayonet-connector-nose

Schlitz für Schraubendreher

Slot for screw-driver

1,2

Schlitz für Schraubendreher

Slot for screw-driver

Renkverschlussnase

Bayonet-connector-nose

Ø9,2

1,5

27,4

Note: 1.00 means the number one with two decimal places. 1,000 means the number

one thousand.

Specifications are subject

to change without notice

INIAINIA

INIA

TURETURE

TURE

F F

USEHOLDERSUSEHOLDERS

USEHOLDERS

Holder / No.

821821

821

SpecificationsSpecifications

Specifications

PackagingPackaging

Packaging

0 bulk (100 pcs.)

StandardStandard

Standard

IEC 60127-6

UL 512

CSA C22.2. No.39

ApprovalsApprovals

Approvals

MountingMounting

Mounting

12.7mm diameter D-hole or double D-hole

(panel 1mm - 4.5mm)

Admissible torque on plastic hex nut is 1.2Nm

erminalserminals

erminals

Solderable or 4.8mm quick connect - fits 0.5mm

tab

Protection Class & CategoryProtection Class & Category

Protection Class & Category

IP 40 (IEC 60529)

PC2 (IEC 60127-6)

MaterialsMaterials

Materials

Holder/Cap: Thermoplastic

Polyamide PA 6.6, UL94 V-0, black

Metal Parts: Copper alloy, corrosion

protected

Terminals: solderable, tinned

Electrical Data (23ºC)Electrical Data (23ºC)

Electrical Data (23ºC)

Rated Voltage: 250V

Rated Current: 6.3A (VDE/SEMKO)

16A (UL/CSA)

Rated Power : 4W (SEMKO)

2.5W (VDE)

Operating TOperating T

Operating T

emperatureemperature

emperature

-25ºC to +70ºC (consider de-rating)

Climatic TClimatic T

Climatic T

estest

est

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

Stock ConditionsStock Conditions

Stock Conditions

+10ºC to +60ºC

relative humidity ≤ 75% yearly average,

without dew, maximum value for 30 days - 95%

Vibration ResistanceVibration Resistance

Vibration Resistance

24 cycles at 15 min. each (IEC 60068-2-6)

10 - 60Hz at 0.75mm amplitude

60 - 2000Hz at 10g acceleration

Contact ResistanceContact Resistance

Contact Resistance

≤ 5mΩ

Dielectric StrengthDielectric Strength

Dielectric Strength

> 1.5 kV

Impulse VoltageImpulse Voltage

Impulse Voltage

4 kV with 1,2µs/50µs

Insulation ResistanceInsulation Resistance

Insulation Resistance

> 10 MΩ (500VDC, 1 min.)

SolderabilitySolderability

Solderability

235 ºC, 2 sec. (soldering bath) (IEC 60068-2-20)

350 ºC, 3 sec. (soldering iron) (IEC 60068-2-20)

Soldering Heat ResistanceSoldering Heat Resistance

Soldering Heat Resistance

260ºC, 5 sec. (IEC 60068-2-20)

Minimum Cross SectionMinimum Cross Section

Minimum Cross Section

Conductor - 2.5mm

MarkingMarking

Marking

821, 250V, Approvals

Unit WeightUnit Weight

Unit Weight

4.0g (821) / 1.6g (835) / 2.2g (837)

Cap / No.

835835

835

Cap / No.

837837

837

Flush Mount TFlush Mount T

Flush Mount T

ypeype

ype

Panel Mount ,Panel Mount ,

Panel Mount ,

for 5x20mm Fusesfor 5x20mm Fuses

for 5x20mm Fuses

Finger Grip TFinger Grip T

Finger Grip T

ypeype

ype

Qty.Qty.

Qty.

OrderOrder

Order

SeriesSeries

Series

Packaging Packaging

Packaging

NumberNumber

Number

0000 00 0

Order InfoOrder Info

Order Info

0000 00 0 1

Summary of Contents

Page 1 - 0000 00 0

050906WebSite www.littelfuse.comIn our continuing strategy to deliver unparalleled circuit protection solutions,technical expertise and application l

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Littelfuse 837 Series User Manual

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