SF55 查看數據表（PDF） - SynSemi, Inc.

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SF55

SUPER FAST RECTIFIER DIODES

SynSemi, Inc. 

RATING AND CHARACTERISTIC CURVES ( SF51 - SF59 )

FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM

50 Ω

10 Ω

+

50 Vdc

(approx.)

D.U.T.

1Ω

PULSE

GENERATOR

( NOTE 2 )

OSCILLOSCOPE

( NOTE 1 )

NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.

2. Rise time = 10 ns max., Source Impedance = 50 ohms.

3. All Resistors = Non-inductive Types.

Trr

+ 0.5

0

- 0.25

- 1.0 A

SET TIME BASE FOR 15 ns/cm

1 cm

FIG.2 - DERATING CURVE FOR OUTPUT

RECTIFIED CURRENT

5.0

4.0

FIG.3 - MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT

15

8.3 ms SINGLE HALF SINE

Ta = 50 °C

120

3.0

90

2.0

60

1.0

60Hz RESISTIVE OR INDUCTIVE LOAD

0

0 25 50 75 100 125 150 175

AMBIENT TEMPERATURE, ( °C)

30

0

12

4 6 10 20 40 60 100

NUMBER OF CYCLES AT 60Hz

FIG.4 - TYPICAL FORWARD CHARACTERISTICS

FIG.5 - TYPICAL REVERSE CHARACTERISTICS

100

SF51 - SF54

10

SF55 - SF57

SF58 - SF59

1000

TJ = 100 °C

100

1.0

Pulse Width = 300 µs

2% Duty Cycle

0.1

TJ = 25 °C

10

1

TJ = 25 °C

0.01

0

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

FORWARD VOLTAGE, VOLTS

Page 2 of 2

0.1

0 20 40

60 80 100 120 140

PERCENT OF RATED REVERSE VOLTAGE, (%)

Rev. 05 : March 25, 2005

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