Littelfuse 837 Series User Manual
Specifications, Panel mount, Inia
050906
WebSite
www.littelfuse.com
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ø15
32
8
10
M12,7x1,5(P0,75)
7,62
±0,1
2,5
3,2
4,8±0,1
R1
ø16
4,45
0,5
SW14
P.
1...4,5
5
Einsatzträger eingesetzt
Renkverschluß
Gerätewand
panel mounting
fuse-carrier inserted
Überstand
distance
bayonet-joint
max.
0,2
-0,1
12
ш12,7
-0,1
-0,1
ш12,7
11,7
-0,15
Ш 9,2
1,
5
ma
x.
20,
5
7
1,
2
Renkverschlußnase
Bayonet-connector-nose
Schlitz für Schraubendreher
Slot for screw-driver
7
1,
2
Schlitz für Schraubendreher
Slot for screw-driver
Renkverschlussnase
Bayonet-connector-nose
Ø 9,2
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
M
M
M
M
M
INIA
INIA
INIA
INIA
INIATURE
TURE
TURE
TURE
TURE
F
F
F
F
F
USEHOLDERS
USEHOLDERS
USEHOLDERS
USEHOLDERS
USEHOLDERS
Holder / No. 821
821
821
821
821
Specifications
Specifications
Specifications
Specifications
Specifications
P a c k a g i n g
P a c k a g i n g
P a c k a g i n g
P a c k a g i n g
P a c k a g i n g
0
bulk (100 pcs.)
Standard
Standard
Standard
Standard
Standard
IEC 60127-6
UL 512
CSA C22.2. No.39
Approvals
Approvals
Approvals
Approvals
Approvals
Mounting
Mounting
Mounting
Mounting
Mounting
12.7mm diameter D-hole or double D-hole
(panel 1mm - 4.5mm)
Admissible torque on plastic hex nut is 1.2Nm
TTTTTe r m i n a l s
e r m i n a l s
e r m i n a l s
e r m i n a l s
e r m i n a l s
Solderable or 4.8mm quick connect - fits 0.5mm
tab
Protection Class & Category
Protection Class & Category
Protection Class & Category
Protection Class & Category
Protection Class & Category
IP 40 (IEC 60529)
PC2 (IEC 60127-6)
Materials
Materials
Materials
Materials
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)
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 T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-25ºC to +70ºC (consider de-rating)
Climatic T
Climatic T
Climatic T
Climatic T
Climatic Test
est
est
est
est
-25ºC/+70ºC/21 days (IEC 60068-2-1...3)
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
+10ºC to +60ºC
relative humidity ≤ 75% yearly average,
without dew, maximum value for 30 days - 95%
Vibration Resistance
Vibration Resistance
Vibration Resistance
Vibration 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 Resistance
Contact Resistance
Contact Resistance
Contact Resistance
Contact Resistance
≤ 5mΩ
Dielectric Strength
Dielectric Strength
Dielectric Strength
Dielectric Strength
Dielectric Strength
> 1.5 kV
Impulse Voltage
Impulse Voltage
Impulse Voltage
Impulse Voltage
Impulse Voltage
4 kV with 1,2µs/50µs
Insulation Resistance
Insulation Resistance
Insulation Resistance
Insulation Resistance
Insulation Resistance
> 10 MΩ (500VDC, 1 min.)
Solderability
Solderability
Solderability
Solderability
Solderability
235 ºC, 2 sec. (soldering bath) (IEC 60068-2-20)
350 ºC, 3 sec. (soldering iron) (IEC 60068-2-20)
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
260ºC, 5 sec. (IEC 60068-2-20)
Minimum Cross Section
Minimum Cross Section
Minimum Cross Section
Minimum Cross Section
Minimum Cross Section
Conductor - 2.5mm
2
Marking
Marking
Marking
Marking
Marking
821, 250V, Approvals
Unit Weight
Unit Weight
Unit Weight
Unit Weight
Unit Weight
4.0g (821) / 1.6g (835) / 2.2g (837)
Cap / No. 835
835
835
835
835
Cap / No. 837
837
837
837
837
Flush Mount T
Flush Mount T
Flush Mount T
Flush Mount T
Flush Mount Type
ype
ype
ype
ype
Panel Mount ,
Panel Mount ,
Panel Mount ,
Panel Mount ,
Panel Mount ,
for 5x20mm Fuses
for 5x20mm Fuses
for 5x20mm Fuses
for 5x20mm Fuses
for 5x20mm Fuses
Finger Grip T
Finger Grip T
Finger Grip T
Finger Grip T
Finger Grip Type
ype
ype
ype
ype
Qty.
Qty.
Qty.
Qty.
Qty.
Order
Order
Order
Order
Order
Series
Series
Series
Series
Series
Packaging
Packaging
Packaging
Packaging
Packaging
Number
Number
Number
Number
Number
0000 00
0
Order Info
Order Info
Order Info
Order Info
Order Info