SMD Type

Transistors

1

-0.1

-0.1

-0.1

-0.1

-0.1

-0.1

-0.1

SOT-89

Unit: mm

1. Base

2. Collector

3. Emiitter

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NPN Darlington Transistors

KST50; KST51; KST52

(BST50; BST51; BST52)

Features

High current (max. 0.5 A)

Low voltage (max. 80 V)

Integrated diode and resistor.

Absolute Maximum Ratings Ta = 25

Parameter

Symbol

Rating

Unit

KST50

60

V

KST51

80

V

KST52

90

V

KST50

45

V

KST51

60

V

KST52

80

V

Emitter-base voltage

5V

Collector current (DC)

0.5

A

Peak collector current

1.5

A

base current

100

mA

25

*

1.3

W

Thermal resistance from junction to ambient *

96

K/W

Thermal resistance from junction to solder point

16

K/W

Junction temperature

150

Storage temperature

-65 to +150

* Device mounted on a printed-circuit board, single sided copper, tinplated,

mounting pad for collector 6 cm

Collector-base voltage

Collector-emitter voltage