6

Type 381LR 105 °C Highest Ripple, Snap-In Aluminum

Ultra-High Ripple Capabilities

Cap.

(uF)

Max. ESR

@ +25°C

Catalog

Part Number

120 Hz

20 kHz

(ohms)

(ohms)

Ripple Amps

@ +105°C

120 Hz 20 kHz

(A)

(A)

Nominal

Size

D x L

(mm)

450 Vdc (500 Vdc Surge)

150

381LR151M450H032

1.327

0.594

0.88

1.26

22 x 35

150

381LR151M450J022

1.330

0.464

0.830

1.04

25 x 30

150

381LR151M450J042

0.884

0.396

1.07

1.53

25 x 40

150

381LR151M450K022

0.884

0.396

1.07

1.53

30 x 30

180

381LR181M450H042

1.110

0.500

1.00

1.43

22 x 40

180

381LR181M450K022

0.737

0.332

1.12

1.60

30 x 30

220

381LR221M450J042

0.603

0.271

1.42

2.03

25 x 40

220

381LR221M450K032

0.603

0.271

1.42

2.03

30 x 35

220

381LR221M450A022

0.603

0.271

1.42

2.03

35 x 30

270

381LR271M450K042

0.491

0.221

1.72

2.45

30 x 40

270

381LR271M450A032

0.491

0.221

1.72

2.45

35 x 35

330

381LR331M450K052

0.402

0.181

1.85

2.64

30 x 50

330

381LR331M450A042

0.402

0.181

1.85

2.64

35 x 40

390

381LR391M450A042

0.340

0.153

1.97

2.82

35 x 40

470

381LR471M450A052

0.282

0.127

2.47

3.53

35 x 50

Typical Performance Curves

Life Test 105 ⁰C, Full Load, 220 µF, 400 Vdc

Life Test 105 ⁰C, Full Load, 330 µF, 400 Vdc

Capacitance, DF, Leakage Current

Capacitance, DF, Leakage Current

35

7

DF

DCL

C

DF

DCL

C

0

500

1000

1500

2000

6

5

30

5

25

4

4

20

3

3

2

15

2

10

1

1

0

5

0

0

-1

-1

0

500

1000

1500

2000

Hours @ Rated Max Temp, Voltage, Ripple

Hours @ Rated Max Temp, Voltage, Ripple

Type 381LR Operating Life in Kilohours vs Ripple Current

1000

45 ºC

55 ºC

65 ºC

75

ºC

85 ºC

95 ºC

105 ºC

100

10

1

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

Rated Ripple-Current Multiple

CDM Cornell Dubilier  140 Technology Place  Liberty, SC 29657  Phone: (864)843-2277  Fax: (864)843-3800

80

70

60

50

40

30

20

10

0