© Won-Top Electronics Co., Ltd.

www.wontop.com

Revision: September, 2012

1

Pb

Features



Diffused Junction



Low Forward Voltage Drop



High Surge Current Capability

A

B

A



High Reliability



Ideally Suited for Use in High Frequency

SMPS, Inverters and As Free Wheeling Diodes

Mechanical Data

C



Case: DO-15, Molded Plastic

D



Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208



Polarity: Cathode Band



Weight: 0.40 grams (approx.)



Mounting Position: Any



Marking: Type Number



Lead Free: For RoHS / Lead Free Version,

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

Maximum Ratings and Electrical Characteristics @T

A=25°C unless otherwise specified

Single Phase, half wave, 60Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

Characteristic

Symbol

HER

201

HER

202

HER

203

HER

204

HER

205

HER

206

HER

207

HER

208

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

50

100

200

300

400

600

800

1000

V

RMS Reverse Voltage

VR(RMS)

35

70

140

210

280

420

560

700

V

Average Rectified Output Current (Note 1)

@TA = 50°C

IO

2.0

A

Non-Repetitive Peak Forward Surge Current

8.3ms Single Half Sine-Wave Superimposed on

Rated Load (JEDEC Method)

IFSM

60

A

Forward Voltage

@IF = 2.0A

VFM

1.0

1.3

1.7

V

Peak Reverse Current

@TA = 25°C

At Rated DC Blocking Voltage

@TA = 100°C

IRM

5.0

100

µA

Reverse Recovery Time (Note 2)

trr

50

75

nS

Typical Junction Capacitance (Note 3)

CJ

50

30

pF

Typical Thermal Resistance Junction to Ambient (Note 1)

Typical Thermal Resistance Junction to Lead (Note 1)

RθJA

RθJL

40

15

°C/W

Operating Temperature Range

TJ

-65 to +125

°C

Storage Temperature Range

TSTG

-65 to +150

°C

Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case.

2. Measured with IF = 0.5A, IR = 1.0A, IRR = 0.25A.

3. Measured at 1.0 MHz and Applied Reverse Voltage of 4.0V D.C.

HER201 – HER208

2.0A ULTRAFAST DIODE

WON-TOP ELECTRONICS

®

DO-15

Dim

Min

Max

A

25.4

—

B

5.50

7.62

C

0.71

0.864

D

2.60

3.60

All Dimensions in mm