1

Motorola Small–Signal Transistors, FETs and Diodes Device Data

NPN Small-Signal

Darlington Transistor

This NPN small signal darlington transistor is designed for use in switching

applications, such as print hammer, relay, solenoid and lamp drivers. The device is

housed in the SOT-223 package, which is designed for medium power surface mount

applications.

• The SOT-223 Package can be soldered using wave or reflow. The formed

leads absorb thermal stress during soldering, eliminating the possibility of

damage to the die

• Available in 12 mm Tape and Reel

Use BSP52T1 to order the 7 inch/1000 unit reel

Use BSP52T3 to order the 13 inch/4000 unit reel

• PNP Complement is BSP62T1

Rating

Symbol

Value

Unit

Collector-Emitter Voltage

VCES

80

Vdc

Collector-Base Voltage

VCBO

90

Vdc

Emitter-Base Voltage

VEBO

5.0

Vdc

Collector Current

IC

500

mAdc

Total Power Dissipation @ TA = 25°C(1)

Derate above 25

°C

PD

0.8

6.4

Watts

mW/

°C

Operating and Storage Temperature Range

TJ, Tstg

– 65 to 150

°C

DEVICE MARKING

AS3

THERMAL CHARACTERISTICS

Characteristic

Symbol

Max

Unit

Thermal Resistance – Junction-to-Ambient (surface mounted)

R

θJA

156

°C/W

Maximum Temperature for Soldering Purposes

Time in Solder Bath

TL

260

10

°C

Sec

1. Device mounted on a FR-4 glass epoxy printed circuit board using minimum recommended footprint.

Thermal Clad is a trademark of the Bergquist Company

Preferred devices are Motorola recommended choices for future use and best overall value.

Order this document

by BSP52T1/D

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

© Motorola, Inc. 1996

BSP52T1

MEDIUM POWER

NPN SILICON

DARLINGTON

TRANSISTOR

SURFACE MOUNT

Motorola Preferred Device

CASE 318E-04, STYLE 1

TO-261AA

1

2

3

4

COLLECTOR 2,4

BASE

1

EMITTER 3

REV 1