© Won-Top Electronics Co., Ltd.

www.wontop.com

Revision: September, 2019

1

Pb

Features



Low Forward Voltage



Epitaxial Construction with Oxide Passivation

B



Guard Ring for Transient and ESD Protection



Surge Overload Rating to 100A Peak

D



Low Power Loss

A



Fast Switching

F



Ideally Suited for Use in High Frequency

SMPS, Inverters and As Free Wheeling Diodes

C

H

G

E

Mechanical Data



Case: SMC/DO-214AB, Molded Plastic



Terminals: Solder Plated, Solderable

per MIL-STD-750, Method 2026



Polarity: Cathode Band or Cathode Notch



Marking: Type Number



Weight: 0.21 grams (approx.)



Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 4

Maximum Ratings @T

A=25°C unless otherwise specified

Characteristic

Symbol

SK32

SK33

SK34

SK35

SK36

SK38

SK39

S310

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

20

30

40

50

60

80

90

100

V

RMS Reverse Voltage

VR(RMS)

14

21

28

35

42

56

63

70

V

Average Rectified Output Current (Note 1)

IO

3.0

A

Non-Repetitive Peak Forward Surge Current

8.3ms Single Half Sine-Wave Superimposed on

Rated Load (JEDEC Method)

IFSM

100

A

Forward Voltage

@IF = 3.0A

VFM

0.50

0.75

0.85

V

Peak Reverse Current

@TJ = 25°C

At Rated DC Blocking Voltage

@TJ = 100°C

IRM

0.5

20

mA

Typical Junction Capacitance (Note 2)

CJ

250

180

140

pF

Thermal Resistance, Junction to Ambient (Note 1)

Thermal Resistance, Junction to Case (Note 1)

RθJA

RθJC

55

17

°C/W

Operating Temperature Range

TJ

-55 to +125

-55 to +150

°C

Storage Temperature Range

TSTG

-55 to +150

°C

Note: 1. Mounted on FR-4 PCB with 14 x 14mm copper pads.

2. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.

SK32 – S310

3.0A SURFACE MOUNT SCHOTTKY BARRIER DIODE

WON-TOP ELECTRONICS

®

SMC/DO-214AB

Dim

Min

Max

A

5.59

6.22

B

6.60

7.11

C

2.75

3.25

D

0.152

0.305

E

7.75

8.13

F

2.00

2.62

G

0.051

0.203

H

0.76

1.52

All Dimensions in mm