© Semiconductor Components Industries, LLC, 2012

May, 2012 − Rev. 16

1

Publication Order Number:

BU323Z/D

BU323Z

NPN Silicon Power

Darlington

High Voltage Autoprotected

The BU323Z is a planar, monolithic, high−voltage power

Darlington with a built−in active zener clamping circuit. This device is

specifically designed for unclamped, inductive applications such as

Electronic Ignition, Switching Regulators and Motor Control, and

exhibit the following main features:

Features

Over the −40

°C to +125°C Temperature Range

Ignition Circuit

Specified Over Full Temperature Range

TO−220 Packages

MAXIMUM RATINGS

Rating

Symbol

Max

Unit

Collector−Emitter Sustaining Voltage

350

Vdc

Collector−Emitter Voltage

6.0

Vdc

Collector Current

− Continuous

− Peak

10

20

Adc

Base Current

− Continuous

− Peak

3.0

6.0

Adc

Derate above 25_C

150

1.0

W

W/_C

Operating and Storage Junction Temperature

Range

–65 to

+175

_C

THERMAL CHARACTERISTICS

Characteristic

Symbol

Max

Unit

Thermal Resistance, Junction−to−Case

1.0

_C/W

Maximum Lead Temperature for Soldering

Purposes: 1/8″ from Case for 5 Seconds

260

_C

Stresses exceeding Maximum Ratings may damage the device. Maximum

Ratings are stress ratings only. Functional operation above the Recommended

Operating Conditions is not implied. Extended exposure to stresses above the

Recommended Operating Conditions may affect device reliability.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

SOT−93

CASE 340D

STYLE 1

10 AMPERE DARLINGTON

AUTOPROTECTED

360 − 450 VOLTS CLAMP,

150 WATTS

http://onsemi.com

360 V

CLAMP

COLLECTOR 2,4

BASE

1

EMITTER 3

3

2

1

4

TO−247

CASE 340L

STYLE 3

NOTE: Effective June 2012 this device will

be available only in the TO−247

package. Reference FPCN# 16827.

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

ORDERING INFORMATION