WTE HER308-T3, HER308, HER306-TB, HER306-T3, HER306 Datasheet

WTE

POWER SEM ICOND UCTOR S

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

!

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

Maximum Ratings and Electrical Characteristics

Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.

HER

Characteristic Symbol

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage

RMS Reverse Voltage V
Average Rectified Output Current

(Note 1) @T
Non-Repetitive Peak Forward Surge Current

8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)

Forward Voltage @IF = 3.0A V

= 55°C

A

V

RRM

V

RWM

R

V

R(RMS)

O

I

FSM

I

FM

HER

301

302

50 100 200 300 400 600 800 1000 V

35 70 140 210 280 420 560 700 V

Dim Min Max

@TA=25°C unless otherwise specified

HER

HER

303

304

1.0 1.3 1.7 V

DO-201AD

A
B
C
D

All Dimensions in mm

3.0 A

150 A

HER

305

25.4 —

8.50 9.50

1.20 1.30

5.0 5.60

HER

HER

306

307

HER

308

Unit

C

Peak Reverse Current @TA = 25°C
At Rated DC Blocking Voltage @T

Reverse Recovery Time (Note 2) t
Typical Junction Capacitance (Note 3) C
Operating Temperature Range T
Storage Temperature Range T

= 100°C

A

I

RM

rr

STG

50 75 nS

j

j

80 50 pF

10.0
100

-65 to +125 °C

-65 to +150 °C

µA

*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.

HER301 – HER308 1 of 3 © 2002 Won-Top Electronics

4

Single phase half wave

Resistive or Inductive load

3

100

HER301 - HER304

10

HER305

2

1

(AV)

I , AVERAGE FWD RECTIFIED CURRENT (A)

0

02550

200

100

75

100 125 150 175

T , AMBIENT TEMPERATURE ( C)

A

°

Fig. 1 Forward Current Derating Curve

8.3ms single half
sine-wave

1.0

0.1

F

I , INSTANTANEOUS FORWARD CURRENT (A)

0.01

0.6 1.0 1.4 1.8

V , INSTANTANEOUS FORWARD VOLTAGE (V)

F

Fig. 2 Typical Forward Characteristics

100

HER306 - HER308

10

j

C , CAPACITANCE (pF)

HER306 - HER308

T = 25 C

°

j

Pulse width = 300 s

2% duty cycle

HER301 - HER305

µ

FSM

I , PEAK FORWARD SURGE CURRENT (A)

10

1 10 100

NUMBER OF CYCLES AT 60Hz

Fig. 3 Peak Forward Surge Current

50 NI (Non-inductive)Ω

Device

Under

Test

(+)

50V DC
Approx

(-)

1.0

Ω

NI

Notes:

1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.

2. Rise Time = 10ns max. Input Impedance = 50 .

10 NIΩ

Oscilloscope

(Note 1)

Fig. 5 Reverse Recovery Time Characteristic and Test Circuit

Generator

(Note 2)

Ω

Ω

(-)

Pulse

(+)

1

1 10 100

V , REVERSE VOLTAGE (V)

R

Fig. 4 Typical Junction Capacitance

t

rr

+0.5A

0A

-0.25A

-1.0A

Settimebasefor5/10ns/cm

HER301 – HER308 2 of 3 © 2002 Won-Top Electronics