November 2010

Doc ID 17735 Rev 1

1/9

9

BYW81HR

Aerospace 1 x 15 A and 2 x 15 A - 200 V fast recovery rectifier

Features

– 150 krad (Si) low dose rate

– 1 Mrad high dose rate

Description

Packaged in hermetic TO-254 or SMD.5, this

device is intended for use in medium voltage, high

frequency switching mode power supplies, high

frequency DC to DC converters, and other

aerospace applications.

The complete ESCC specification for this device

is available from the European Space Agency

web site. ST guarantees full compliance of

qualified parts with such ESCC detailed

specifications.

Figure 1.

Device configurations

TO-254

SMD.5

1

2

3

2

1

3

Variant 03

BYW81-200CFSY1

Variant 05

BYW81-200SHRB

Terminal 1:

Terminal 2:

Terminal 3:

The case is not connected to any lead

Terminal 1:

Terminal 2:

Terminal 3:

The lid is not connected to any terminal

Anode a

Common cathode

Anode b

Anode

Anode

Cathode

Table 1.

1.

Contact ST sales office for information about the specific conditions for products in die form and QML-Q versions.

Order code

ESCC part

number

Quality level EPPL

Package

BYW81-200CFSY1

-

Engineering

model

-

TO-254

2 x 15 A

200 V

1.15 V

150 °C

BYW81-200CFSYHRB

5103/029/03

ESCC flight

-

TO-254

2 x 15 A

BYW81-200SHRB

5103/029/05

ESCC flight

Y

SMD.5

15 A

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