BY255

1 of 4

© 2006 Won-Top Electronics

Pb

BY255

3.0A HIGH VOLTAGE STANDARD DIODE

Features

!" Diffused Junction

!" Low Forward Voltage Drop

!" High Current Capability

A

B

A

!" High Reliability

!" High Surge Current Capability

Mechanical Data

C

!" Case: DO-201AD, 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

!" Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 4

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

For capacitive load, derate current by 20%.

Characteristic

Symbol

BY255

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

1300

V

RMS Reverse Voltage

910

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)

200

A

Forward Voltage

1.0

V

Peak Reverse Current

At Rated DC Blocking Voltage

5.0

100

µA

Typical Junction Capacitance (Note 2)

50

pF

Typical Thermal Resistance Junction to Ambient

(Note 1)

20

°C/W

Operating Temperature Range

-65 to +125

°C

Storage Temperature Range

-65 to +150

°C

Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case

2. Measured at 1.0 MHz and Applied Reverse Voltage of 4.0V D.C.

WTE

POWER SEMICONDUCTORS

DO-201AD

Dim

Min

Max

A

25.4

—

B

7.20

9.50

C

1.20

1.30

D

4.80

5.30

All Dimensions in mm