QW-BE005

RATING AND CHARACTERISTIC CURVES (CEFC301-G thru CEFC305-G)

Percent of Rated Peak Reverse Voltage (%)

140

120

80

60

40

0

Fig.1 Reverse Characteristics

0.01

0.1

1

10

100

Forward Voltage (V)

0

Fig.2 Forward Characteristics

0.001

0.01

0.1

1

10

0.8

Reverse Voltage (V)

0.1

Fig.3 Junction Capacitance

2

100

200

1

10

100

Number of Cycles at 60Hz

Fig.4 Non-repetitive Forward Surge Current

0

40

60

100

Comchip Technology CO., LTD.

Page 2

REV:A

0.4

1.2

2.0

1.6

10

O

f=1MHz and applied

4VDC reverse voltage

1

10

100

20

80

O

8.3ms single half sine

wave, JEDEC method

Fig.5 Test Circuit Diagram and Reverse Recovery Time Characteristics

50Ω

NONINDUCTIVE

10Ω

NONINDUCTIVE

(+)

25Vdc

(approx.)

(-)

D.U.T.

1Ω

NON-

INDUCTIVE

OSCILLLISCOPE

(NOTE 1)

PULSE

GENERATOR

(NOTE 2)

(+)

(-)

NOTES: 1. Rise time=7ns max., input impedance=1 MΩ, 22pF.

2. Rise time=10ns max., input impedance=50Ω.

trr

Set time base for

50 / 10nS / cm

1cm

-1.0A

-0.25A

0

+0.5A

Fig.6 Current Derating Curve

O

Ambient Temperature (

C)

0

50

25

75

100

150

125

175

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Single phase

Half wave 60Hz

SMD Efficient Fast Recovery Rectifiers

O

O

O

20

100

CEFC301-G~303-G

CEFC304-G

CEFC305-G

O

Pulse width 300μS

4% duty cycle