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LNU2G272MSEG Datasheet, PDF (1/2 Pages) Nichicon corporation – ALUMINUM ELECTROLYTIC CAPACITORS
ALUMINUM ELECTROLYTIC CAPACITORS
NU Screw Terminal Type, 105°C
High Voltage, Smaller Sized.
series
Suited for use in industrial power supplies for inverter circuitry, etc.
Rated voltage range up to DC525V.
Load life of 5000 hours application of ripple current at 105°C.
High voltage / Smaller sized than NT series.
Coped with loading of high speed charge-discharge.
Suited for high frequency regenerative voltage for AC servomotor,
general inverter.
Compliant to the RoHS directive (2011/65/EU).
NU
High
Voltage
Smaller
NT
Specifications
Item
Category Temperature Range
Rated Voltage Range
Rated Capacitance Range
Capacitance Tolerance
Leakage Current
Tangent of loss angle (tan δ)
Stability at Low Temperature
Insulation Resistance
Voltage proof
Endurance
Shelf Life
Endurance of charge -
discharge behavior
Marking
Performance Characteristics
– 40 to +105°C
400 to 525V
680 to 18000µF
± 20% (120Hz, 20°C)
After 5 minutes' application of rated voltage, leakage current is not more than 3 CV (µA) or 5 mA, whichever is smaller. (at 20°C)
[C : Rated Capacitance(µF), V : Voltage ( V ) ]
0.2MAX. (120Hz at 20°C)
Rated voltage(V)
Impedance ratio ZT/Z20(MAX.)
400 to 525
Z – 40°C / Z+20°C
8
Measurement frequeny : 120Hz
The insulation resistance shall be more than 100MΩ at DC 500V application between terminal and bracket.
There is no abnormality during AC 2500V 1 minute's application between terminal and bracket.
The specifications listed at right shall be met when the capacitors are
restored to 20°C after D.C. bias plus rated ripple current is applied for
5000 hours at 105°C, the peak voltage shall not exceed the rated
voltage.
Capacitance change
tan δ
Leakage current
Within ±20% of the initial capacitance value
200% or less than the initial specified value
Less than or equal to the initial specified value
After storing the capacitors under no load at 105°C for 1000 hours Capacitance change
and then performing voltage treatment based on JIS C 5101-4 tan δ
clause 4.1 at 20°C, they shall meet the reguirements listed at right. Leakage current
Within ±20% of the initial capacitance value
200% or less than the initial specified value
Less than or equal to the initial specified value
After an application of charge-discharge voltage for 50million times Capacitance change
(charge-discharge voltage difference(∆V) = rated voltage × 0.3, cycle 3Hz) tan δ
capacitors shall meet the characteristics requirement listed at right.
Leakage current
Printed with white color letter on black sleeve
Within ±20% of the initial capacitance value
200% or less than the initial specified value
Less than or equal to the initial specified value
Drawing
Bottom plate
Sleeve
120°
Hexagenal headed bolt
Pressure relief vent
h
H±1
L+ MAX.
B
±1
B
3-leg brackets for φ90 capacitors have different
hole shapes from the ordinary ones illustrated
below.
P
P±2
T
A±2
U
U
S
Type numbering system (Example : 500V 4700µF)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
L NU 2H 4 7 2 M SE H
Case dia. code
Configuration
Capacitance tolerance (±20%)
Rated Capacitance (4700µF)
Rated voltage (500V)
φD Code
51 F
63.5 G
76.2 H
90 J
Mounting bracket
(φ 51 to φ 90)
Code less 3-leg brackets
BB 2-leg brackets
BN No brackets
Series name
Configuration
standerd
specifications
SE
stud mount type
TE
Type
Please refer to page 330 for schematic of dimensions.
Please contact to us if PVC less products are required.
Pressure relief vent
7
30°
Note) The brackets will be supplied in the separate box.
Dimension of terminal pitch (W) and length (R) and Nominal dia.of bolt (mm)
φD
W
R
α
Nominal dia. of bolt
51
22.0
6
3
M5
63.5
28.6
6
3
M5
76.2
31.8
6
3
M5
90
31.8
6
3
M5
About product of stud bolt
Nylon nut and nylon washer attachment become the standard
specifications. (cf. P.330)
It is not attached to the bracket.
Field 13 and 14 become blank in Type number system.
Dimensions of mounting bracket
Leg shape
Symbol
φD
P
A
T
51
32.5
38.5
7.5
3--Leg
63.5 76.2
38.1 44.5
43
49.2
8.0
7.0
S
5.0
5.0
5.0
U
12
14
14
°
60
60
60
H
20
25
30
h
15
20
24
(mm)
2--Leg
90
51
63.5 76.2
90
50.8 33.2 40.5 46.5 53
58.5
40
46.5
53
59
8.0
6.0
7.0
6.0
6.0
5.0
4.5
4.5
4.5
4.5
18
14
14
14
14
60
30
30
30
30
35
25
35
35
35
25
15
20
20
20
Dimension table in next page.
CAT.8100C