Littelfuse 837 User Manual
MM
M
MM
INIAINIA
INIA
INIAINIA
TURETURE
TURE
TURETURE
F F
F
F F
Holder / No.
USEHOLDERSUSEHOLDERS
USEHOLDERS
USEHOLDERSUSEHOLDERS
821821
821
821821
Panel Mount ,Panel Mount ,
Panel Mount ,
Panel Mount ,Panel Mount ,
for 5x20mm Fusesfor 5x20mm Fuses
for 5x20mm Fuses
for 5x20mm Fusesfor 5x20mm Fuses
Einsatzträger eingesetzt
ø15
10
fuse-carrier inserted
Renkverschluß
bayonet-joint
Überstand
distance
SpecificationsSpecifications
Specifications
SpecificationsSpecifications
PackagingPackaging
Packaging
PackagingPackaging
0 bulk (100 pcs.)
StandardStandard
Standard
StandardStandard
IEC 60127-6
UL 512
CSA C22.2. No.39
ApprovalsApprovals
Approvals
ApprovalsApprovals
max. 0,2
1...4,5
32
5
-0,1
ø12,7
11,7
-0,15
Cap / No.
Flush Mount TFlush Mount T
Flush Mount T
Flush Mount TFlush Mount T
Cap / No.
Finger Grip TFinger Grip T
Finger Grip T
Finger Grip TFinger Grip T
Order InfoOrder Info
Order Info
Order InfoOrder Info
Qty.Qty.
Qty.
Qty.Qty.
Note: 1.00 means the number one with two decimal places. 1,000 means the number
ø12,7
OrderOrder
Order
OrderOrder
NumberNumber
Number
NumberNumber
-0,1
ypeype
ype
ypeype
ypeype
ype
ypeype
12
835835
835
835835
837837
837
837837
-0,1
SeriesSeries
Series
SeriesSeries
8
Schlitz für Schraubendreher
Slot for screw-driver
1,2
Packaging Packaging
Packaging
Packaging Packaging
0000 00 0
ø16
R1
4,8±0,1
Renkverschlußnase
Bayonet-connector-nose
Ø9,2
1,2
Ø9,2
1,5
7
Schlitz für Schraubendreher
Slot for screw-driver
1,5
7
Gerätewand
panel mounting
3,2
2,5
max. 20,5
Renkverschlussnase
Bayonet-connector-nose
27,4
one thousand.
P.
M12,7x1,5(P0,75)
SW14
4,45
7,62
MountingMounting
Mounting
MountingMounting
12.7mm diameter D-hole or double D-hole
(panel 1mm - 4.5mm)
Admissible torque on plastic hex nut is 1.2Nm
TT
erminalserminals
T
erminals
TT
erminalserminals
Solderable or 4.8mm quick connect - fits 0.5mm
0,5
±0,1
tab
Protection Class & CategoryProtection Class & Category
Protection Class & Category
Protection Class & CategoryProtection Class & Category
IP 40 (IEC 60529)
PC2 (IEC 60127-6)
MaterialsMaterials
Materials
MaterialsMaterials
Holder/Cap: Thermoplastic
Metal Parts: Copper alloy, corrosion
protected
Terminals: solderable, tinned
Electrical Data (23ºC)Electrical Data (23ºC)
Electrical Data (23ºC)
Electrical Data (23ºC)Electrical Data (23ºC)
Rated Voltage: 250V
Rated Current: 6.3A (VDE/SEMKO)
Rated Power : 4W (SEMKO)
Operating TOperating T
Operating T
Operating TOperating T
-25ºC to +70ºC (consider de-rating)
Climatic TClimatic T
Climatic T
Climatic TClimatic T
-25ºC/+70ºC/21 days (IEC 60068-2-1...3)
Stock ConditionsStock Conditions
Stock Conditions
Stock ConditionsStock Conditions
+10ºC to +60ºC
relative humidity ≤ 75% yearly average,
without dew, maximum value for 30 days - 95%
Vibration ResistanceVibration Resistance
Vibration Resistance
Vibration ResistanceVibration 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
Contact ResistanceContact Resistance
≤ 5mΩ
Dielectric StrengthDielectric Strength
Dielectric Strength
Dielectric StrengthDielectric Strength
> 1.5 kV
Impulse VoltageImpulse Voltage
Impulse Voltage
Impulse VoltageImpulse Voltage
4 kV with 1,2µs/50µs
Insulation ResistanceInsulation Resistance
Insulation Resistance
Insulation ResistanceInsulation Resistance
> 10 MΩ (500VDC, 1 min.)
SolderabilitySolderability
Solderability
SolderabilitySolderability
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
Soldering Heat ResistanceSoldering Heat Resistance
260ºC, 5 sec. (IEC 60068-2-20)
Minimum Cross SectionMinimum Cross Section
Minimum Cross Section
Minimum Cross SectionMinimum Cross Section
Conductor - 2.5mm
MarkingMarking
Marking
MarkingMarking
821, 250V, Approvals
Unit WeightUnit Weight
Unit Weight
Unit WeightUnit Weight
4.0g (821) / 1.6g (835) / 2.2g (837)
Polyamide PA 6.6, UL94 V-0, black
16A (UL/CSA)
2.5W (VDE)
emperatureemperature
emperature
emperatureemperature
estest
est
estest
2
Specifications are subject
to change without notice
050906
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.
WebSite www.littelfuse.com
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