HER301 – HER308

1 of 3

© 2002 Won-Top Electronics

HER301 – HER308

3.0A HIGH EFFICIENCY RECTIFIER

Features

!

Diffused Junction

!

Low Forward Voltage Drop

!

High Current Capability

A

B

A

!

High Reliability

!

High Surge Current Capability

Mechanical Data

C

!

Case: Molded Plastic

D

!

Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208

!

Polarity: Cathode Band

!

Weight: 1.2 grams (approx.)

!

Mounting Position: Any

!

Marking: Type Number

!

Epoxy: UL 94V-O rate flame retardant

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

For capacitive load, derate current by 20%.

Characteristic

Symbol

HER

301

HER

302

HER

303

HER

304

HER

305

HER

306

HER

307

HER

308

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

50

100

200

300

400

600

800

1000

V

RMS Reverse Voltage

35

70

140

210

280

420

560

700

V

Average Rectified Output Current

(Note 1)

3.0

A

Non-Repetitive Peak Forward Surge Current

8.3ms Single half sine-wave superimposed on

rated load (JEDEC Method)

150

A

Forward Voltage

1.0

1.3

1.7

V

Peak Reverse Current

At Rated DC Blocking Voltage

10.0

100

µA

Reverse Recovery Time (Note 2)

50

75

nS

Typical Junction Capacitance (Note 3)

80

50

pF

Operating Temperature Range

-65 to +125

°C

Storage Temperature Range

-65 to +150

°C

*Glass passivated forms are available upon request

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. See figure 5.

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

WT E

PO W E R SEM IC O ND UC TO R S

DO-201AD

Dim

Min

Max

A

25.4

—

B

8.50

9.50

C

1.20

1.30

D

5.0

5.60

All Dimensions in mm