1

MAXIMUM RATIXGS AND ELECTRICAL CHARACTERISTICS

UNITS

-50 to +125

-25 to +125

Volts

Volts

Volts

A

A

V

1.0

3.0

0.53

0.45

mA

o

Ratings at 25 C ambient temperature unless otherwise specified

Single phase, half wave, 60Hz, resistive or inductive load

For capacitive load, derate current by 20%

PSD490 thru PSD491

SURFACE MOUNT SCHOTTKY BARRIER DIODES

SURFACE MOUNT SCHOTTKY BARRIER DIODES

FEATURES

MECHANICAL DATA

Low Turn-on Voltage

Fast Switching

PN Junction Guard Ring for Transient and

ESD Protection

Case SOT-346/SC-59 Molded Plastic

Terminals Solderable per MIL-STD-202, Method 208

Polarity See Diagrams Below

Weight 0.008gram (approx)

Mounting Position Any

TYPE NUMBER

Maximum Recurrent Peak Reverse Voltage

Maximum RMS Voltage

Maximum DC Blocking Voltage

Maximum Average Forward Rectified Current

Peak Forward Surge Current 8.3mm Single Half Sine-Wave

Superimposed on Rated Load (JEDEC Method)

Maximum Instantaneous Forward Voltage at 1.0A

0

0

0.2

4.0

20

14

20

40

28

40

SCHOTTKY BARRIER RECTIFIERS 1.0A MPERES 20~40 VOLTS

PSD491

PSD490

3

2

1

1.06(2.70)

1.22(3.10)

.051(1.30)

0.67(1.70)

.089(2.25)

1.18(3.00)

.008(0.20)

.024(0.60)

0.00

.004(0.10)

.039(1.00)

.051(1.30)

.004(0.10)

.010(0.26)

.014(0.35)

.020(0.50)

.067(1.7)

.090(2.30)

.049(1.25)

.065(1.65)

SC-59

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