1.Feature & Dimensions

* Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

* High temperature metallurgically bonded construction

* Deffused junction

* Capable of meeting environmental standards of MIL-S-19500

* 3.0 A operation at TA=55°C with no thermal runaway

* For use in high frequency rectifier circuits

* Fast switching for high efficiency

* Typical IR less than 1.0µA

* High temperature soldering guaranteed:

260°C/10 seconds

* 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension

2.Mechanical Data

Case

: JEDEC DO-201AD, molded plastic body

Terminals

: Plated axial leads, solderable per

MIL-STD-750, Method 2026

Polarity

: Color band denotes cathode end

Mounting Position

: Any

Weight

:0.04 oz., 1.12 g

Handling precautin

:None

3.Electrical Characteristic

Parameter Symbol

symbol

HER

301

HER

302

HER

303

HER

304

HER

305

HER

306

HER

307

HER

308

Unit

Maximum repetitive peak reverse voltage

50

100

200

300

400

600

800

1000

V

Maximum RMS voltage

35

70

140

210

280

420

560

700

V

Maximum DC blocking voltage

50

100

200

300

400

600

800

1000

V

Maximum average forward rectified current

IF(AV)

A

Peak forward surge current 8.3ms single half

sine-wave superimposed on rated load (JEDEC

Method)

A

Maximum full load reverse current, full cycle

C

IR(AV)

µA

Typical thermal resistance (Note 2)

RθJA

°C/W

Operating junction and storage temperature range TJ, TSTG

°C

Parameter Symbol

symbol

HER

301

HER

302

HER

303

HER

304

HER

305

HER

306

HER

307

HER

308

Unit

Maximum instantaneous forward voltage at 3.0A

V

Maximum DC reverse current TA = 25°C

at rated DC blocking voltage TA = 100°C

IR

µA

Typical reverse recovery time (Note 1)

trr

ns

Typical junction capacitance at 4.0V, 1MHz

CJ

PF

NOTES:

1. IF = 0.5A, IR = 1.0A, IRR = 0.25A

2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted

HER301 thru HER308

1.85

1.30

1.00

–50 to +150

3.0

150

100

20

10.0

200

50

70

45

36

Reverse Voltage 50 to 1000V

Forward Current 3.0A

High Efficiency Rectifiers

We declare that the material of product

compliance with RoHS requirements.

LESHAN RADIO COMPANY, LTD.

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