FEATURES

●

Low cost

●

Diffused junction

●

Ultra fast switching for high efficiency

●

Low reverse leakage current

●

Low forward voltage drop

●

High current capability

●

The plastic material carries UL recognition 94V-0

MECHANICAL DATA

●

Case: JEDEC DO-27 molded plastic

●

Polarity: Color band denotes cathode

●

Weight: 0.04ounces , 1.1grams

●

Mounting position: Any

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating at 25℃ ambient temperature unless otherwise specified.

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

For capacitive load, derate current by 20%

HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308

UF3001 UF3002 UF3003 UF3004 UF3005 UF3006 UF3007 UF3008

Maximum Recurrent 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

Peak Forward Surge Current

8.3ms Single Half Sine-Wave

Super Imposed on Rated Load(JEDEC Method)

Peak Forward Voltage at 3.0A DC

V

Maximum DC Reverse Current

at Rated DC Blocking Voltage

Maximum Reverse Recovery Time(Note 1)

nS

Typical Junction Capacitance (Note2)

pF

Typical Thermal Resistance (Note3)

℃

/W

Operating Temperature Range

℃

Storage Temperature Range

℃

CHARACTERISTICS

SYMBOL

UNIT

A

1.7

3.0

A

150

1.0

1.3

HIGH EFFICIENCY (ULTRA FAST)

RECTIFIERS

REVERSE VOLTAGE - 50 to 1000 Volts

FORWARD CURRENT - 3.0 Amperes

HER30X / UF300X SERIES

-55 to +125

~ 104 ~

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

3.Thermal resistance junction to ambient

-55 to +150

μA

100

5.0

20

50

75

50

30

DIA.

DIA.

DO- 27

210

.375(9.5)

.335(8.5)

.052(1.3)

.048(1.2)

.220(5.6)

.197(5.0)

1.0(25.4)

1.0(25.4)

MIN.

MIN.