Document Number: 86006

For technical questions within your region, please contact one of the following:

www.vishay.com

Rev. 1.7, 09-Aug-10

147

Standard Avalanche Sinterglass Diode

BY448 , BY458

Vishay Semiconductors

MECHANICAL DATA

Case: SOD-57

Terminals: plated axial leads, solderable per MIL-STD-750,

method 2026

Polarity: color band denotes cathode end

Mounting position: any

Weight: approx. 369 mg

FEATURES

• Glass passivated junction

• Hermetically sealed package

• Compliant to RoHS directive 2002/95/EC and in

accordance to WEEE 2002/96/EC

• Halogen-free according to IEC 61249-2-21

definition

APPLICATIONS

• High voltage rectification

• Efficiency diode in horizontal deflection circuits

949539

PARTS TABLE

PART

TYPE DIFFERENTIATION

PACKAGE

BY448

SOD-57

BY458

SOD-57

PARAMETER

TEST CONDITION

PART

SYMBOL

VALUE

UNIT

Reverse voltage

See electrical characteristics

BY448

1500

V

BY458

1200

V

Peak forward surge current

30

A

Average forward current

2A

Junction temperature

140

°C

Storage temperature range

- 55 to + 175

°C

Non repetitive reverse avalanche energy

10

mJ

PARAMETER

TEST CONDITION

SYMBOL

VALUE

UNIT

Junction ambient

45

K/W

On PC board with spacing 25 mm

100

K/W

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX

UNIT

Forward voltage

--

1.6

V

Reverse current

--

3

μA

-

-

140

μA

Total reverse recovery time

-

-

20

μs

Reverse recovery time

--

2

μs