PFW3520 & PFW3524

1 of 2

© 2006 Won-Top Electronics

Pb

PFW3520 & PFW3524

35A AVALANCHE 1/2" WASHER LEAD PRESS-FIT DIODE

Features

!

Diffused Junction

Anode

+

!

Low Leakage

F

!

Low Cost

G

!

High Surge Current Capability

!

C

Mechanical Data

D

!

Case: Copper Case and Components

B

Hermetically Sealed

!

Terminals: Insulated Wire with Washer Lead

!

Polarity: Cathode to Case (Reverse Units Are

Available Upon Request and Are Designated

A

By A “R” Suffix, i.e. PFW3520R or PFW3524R)

!

Polarity: Red Color Equals Standard,

Black Color Equals Reverse Polarity

!

Mounting Position: Any

!

Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 2

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

For capacitive load, derate current by 20%.

Characteristic

Symbol

PFW3520

PFW3524

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

16

20

V

Average Rectified Output Current

35

A

Breakdown Voltage Min.

Breakdown Voltage Max.

20

26

24

32

V

Non-Repetitive Peak Forward Surge Current

8.3ms Single half sine-wave superimposed on

rated load (JEDEC Method)

400

A

Forward Voltage

1.0

V

Peak Reverse Current

At Rated DC Blocking Voltage

200

nA

Typical Junction Capacitance (Note 1)

300

pF

Typical Thermal Resistance (Note 2)

1.2

°C/W

Operating and Storage Temperature Range

-65 to +175

°C

Note: 1. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.

2. Thermal Resistance: Junction to case, single side cooled.

WTE

POWER SEMICONDUCTORS

DO-21 Washer Lead

Dim

Min

Max

A

15.77

15.97

B

12.73

12.82

C

1.25

1.31

D

5.70

5.90

E

11.80

12.00

F

37.0

40.0

G

4.30 Ø Typical

All Dimensions in mm