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Bolt type aluminum electrolytic capacitor ES3M

Bolt type aluminum electrolytic capacitor ES3M Featured Image
  • Bolt type aluminum electrolytic capacitor ES3M

Short Description:

Suitable for DC welding machines. Inverter welding machine compatible products 85℃, 3000 hours guarantee. High ripple. Compact RoHS Directive compliant products.


Product Detail

List of Products Number

Product Tags

Main technical parameters

Technical Parameter

 ♦ 85℃ 3000 Hours

♦ Designed For Power Supply, Inverter, Medium Frequency Furnace

♦ Welding Machine, DC Welder

♦ High Ripple Current, Small Size

♦ RoHS Compliant

Specification

Items

Characteristics

Temperature Range(℃)

-40(-25)℃~+85℃

Voltage Range(V)

200~500V.DC

Capacitance Range(uF)

1000 〜39000uF ( 20℃ 120Hz )

Capacitance Tolerance

土 20%

Leakage Current(mA)

≤1.5mA or 0.01 5 minutes test at 20℃

Maximum DF(20℃)

0.18(20℃, 120HZ)

Temperature Characteristics(120Hz)

200-450 C(-25℃)/C(+20℃)≥0.7 ； 500 C(-40℃)/C(+20℃)≥0.6

Insulating Resistance

The value measured by applying DC 500V insulation resistance tester between all terminals and snap ring with insulating sleeve = 100mΩ.

Insulating Voltage

Apply AC 2000V between all terminals and snap ring with insulating sleeve for 1 minute and no abnormality appears.

Endurance

Apply rated ripple current on capacitor with voltage not more than rated voltage under 85℃ environment and apply rated voltage for 3000hours, then recover to 20℃ environment and the test results should satisfy the requirements as below.

Capacitance change rate (△C )

≤initial value 土20%

DF (tgδ)

≤200% of initial specification value

Leakage current(LC)

≤initial specification value

Shelf Life

Capacitor kept in 85 ℃ environment fbr 1000 hours, then tested in 20℃ environment and the test result should satisfy the requirements as below.

Capacitance change rate (△C )

≤initial value 土20%

DF (tgδ)

≤200% of initial specification value

Leakage current(LC)

≤initial specification value

(Voltage pretreatment should be done before test: apply rated voltage on both ends of capacitor through a resister of about 1000Ω for 1 Hrs, then discharge electricity through 1Ω/V resister after pretreatment. Place under normal temperature fbr 24hrs after total discharging, then starts test.)

Product Dimensional Drawing

Dimension(unit:mm)

D(mm)

51

64

77

90

101

P(mm)

22

28.3

32

32

41

Screw

M5

M5

M5

M6

M8

Terminal Diameter(mm)

13

13

13

17

17

Torque(n.m)

2.2

2.2

2.2

3.5

7.5

Diameter(mm)

A(mm)

B(mm)

a(mm)

b(mm)

h(mm)

51

31.8

36.5

7

4.5

14

64

38.1

42.5

7

4.5

14

77

44.5

49.2

7

4.5

14

90

50.8

55.6

7

4.5

14

101

56.5

63.4

7

4.5

14

 

Ripple Current Correction Parameter

Frequency Correction Coefficient Of Rated Ripple Current

Frequency (Hz)

50Hz

120Hz

300Hz

1KHz

≥10KHz

Coefficient

0.7

1

1.1

1.3

1.4

Temperature Correction Coefficient Of Rated Ripple Current

Temperature(℃)

40℃

60℃

85℃

Coefficient

1.89

1.67

1

 

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