RATING CHARACTERISTIC CURVES ( 1N4933PT THRU 1N4937PT )

FIG. 3 - TYPICAL REVERSE CHARACTERISTICS

FIG. 4 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS

FIG. 6 - TYPICAL JUNCTION CAPACITANCE

FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT

REVERSE VOLTAGE, ( V )

NUMBER OF CYCLES AT 60 Hz

INSTANTANEOUS FORWARD VOLTAGE, ( V )

PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )

10

1.0

0.1

.01

0

0

.2

.4

.6

.8

1.0

1.2

1.4

1.6

1.8

0

20

40

60

80

100

120

140

Pulse Width = 300uS

1% Duty Cycle

.01

.1

.4

.04

1.0

4.0

10

100

200

100

60

40

20

10

6

4

2

1

.1

.2

.4

1.0

2

4

10

20

40

100

1

2

5

10

20

50

100

35

30

25

20

15

10

5

0

8.3ms Single Half Sine-Wave

(JEDEC Method)

AMBIENT TEMPERATURE (

FIG. 2 - TYPICAL FORWARD

CURRENT DERATING CURVE

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

1.50

1.00

.25

.50

.75

1.25

0

25

0

50 75 100 125 150 175

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

A-TEKTRONIX 545A. K PLUG IN

PRE AMP P6000 PROBE OR EQUIVALENT IN PARALLEL

R1 - ADJUSTED FOR 1.4 BETWEEN

PONT 2 OF RELAY AND RECTIFIER

INDUCTIVE = 3.8uH

R2 - TEN - 1 W 10

+0.5% CARBON CORE

FOR RECTIFIER

IFM1.0

i ( t ) di/dt = 50A/us

0

IRM(REV)

trr

SET TIME BASE FOR

50/100 nS/cm

115 Va

10 K

2 W

1

2

3

4

5

6

7

8

3.8uH/1.4

C.P. CLARE

HPG 1002

30 Vdc

CONSTANT VOLTAGE

SUPPLY

MINIMIZE ALL LEAD LENGTHS

1 AMP

SLO-BLO

FUSE

1.0Adc FROM

CONSTANT

VOLTAGE SUPPLY

RIPPLE=3mVrms MAX.

Zout 11/2 MAX.

DC to 2kHz

30

50W

NON-INDUCTIVE

UNIT

UNDER TEST

C 1

1.0 uF

300 V

C 1

1.0uF

300V

R2

1

10W

NON-

INDUCTIVE

+10

o

C

-0