BUH50 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

BUH50

SWITCHMODE NPN Silicon Planar Power Transistor

Motorola => Freescale 

BUH50

TYPICAL CHARACTERISTICS

Table 1. Inductive Load Switching Drive Circuit

+15 V

1 µF

150 Ω

100 Ω

MTP8P10

3W

3W

100 µF

+10 V

MPF930

MPF930

MTP8P10

MUR105

RB1

Iout

A

VCE

IB1

IB

50 Ω

COMMON

500 µF

–Voff

MJE210

RB2

150 Ω

3W

MTP12N10

1 µF

V(BR)CEO(sus)

L = 10 mH

RB2 = ∞

VCC = 20 Volts

IC(pk) = 100 mA

VCE PEAK

IC PEAK

IB2

Inductive Switching

L = 200 µH

RB2 = 0

VCC = 15 Volts

RB1 selected for

desired IB1

RBSOA

L = 500 µH

RB2 = 0

VCC = 15 Volts

RB1 selected for

desired IB1

1

0.5

0.2

0.1

0.1 0.05

0.02

SINGLE PULSE

0.01

0.01

P(pk)

t1

t2

DUTY CYCLE, D = t1/t2

RθJC(t) = r(t) RθJC

RθJC = 2.5°C/W MAX

D CURVES APPLY FOR POWER

PULSE TRAIN SHOWN

READ TIME AT t1

TJ(pk) – TC = P(pk) RθJC(t)

0.1

1

10

100

1000

t, TIME (ms)

Figure 22. Typical Thermal Response (ZθJC(t)) for BUH50

8

Motorola Bipolar Power Transistor Device Data

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