50Ω

Non-Inductive

10Ω

Non-Inductive

D.U.T.

1Ω

NON

Inductive

Oscilloscope

(Note 1)

Pulse

Generator

(Note 2)

(+)

25Vdc

(approx)

(-)

(-)

Notes:1.Rise time=7nS max. Input impedance=1MΩ, 22pF

2.Rise time=10nS max. Source impedance=50Ω

Set time base for

50/100nS/cm

1cm

-1.0A

0

+0.5A

-0.25A

Trr

Page 2

QW-BU006

Ultra Fast Recovery Rectifiers

REV:B

Comchip Technology CO., LTD.

Rating and Characteristic Curves (UF4001

)

-G Thru. UF4007-G

Fig.2 Max. Non-Repetitive Peak

Forward Surge Current

0

Number of Cycles at 60Hz

1

Fig.1 Typical Forward Current

Derating Curve

O

C)

0

25

75

175

Fig.3 Typical Instantaneous Forward

Characteristics

0.01

1

20

0.6

1.0

1.4

0

0.6

1.0

1.6

2.0

100

15

35

1.2

0.1

Fig.4 Typical Reverse Characteristics

0.1

Percent of Peak Reverse Voltage (%)

10

100

1

100

125

0.4

0.8

0.8

1.8

Fig.5 Typical Junction Capacitance

10

1000

0.1

10

100

100

50

150

0.2

10

5

10

25

30

1.2

0

40

80

100

140

20

120

60

1

Single phase

Half wave, 60Hz

Resistive or

inductive load

0.375"(9.5mm)

lead length

20

8.3mS, single half

sine-wave, JEDEC

method.

1 cycle

10

Pulse width=300μs.

1% duty cycle

O

O

O

O

f=1MHz

O

Fig.6 Test Circuit of Reverse Recovery Time Characteristics