Datasheet BU522B Datasheet (Motorola)

1

Motorola Bipolar Power Transistor Device Data

   


Power Transistor mainly intended for use as ignition circuit output transistor.

• Specified minimum sustaining voltage:
V

CER(sus)

= 425 V at IC = 1 A

• High S.O.A. capability:
VCE = 400 V

• Low V

CE(sat)

= 2.0 V max. at IC = 4 A

MAXIMUM RATINGS

Rating

Symbol

BU522B

Unit

Collector–Emitter Voltage Sust.

V

CER(sus)

425

Vdc

Collector–Emitter Voltage

V

CER

450

Vdc

Collector–Base Voltage

V

CBO

475

Vdc

Emitter–Base Voltage

V

EBO

5.0

Vdc

Collector Current Continuous

I

C

7.0

Adc

Base Current

I

B

2.0

Adc

Total Device Dissipation @ TC = 25_C

Derate above 25_C

P

D

75

0.60

Watts

W/_C

Operating and Storage Junction

Temperature Range

TJ, T

stg

–65 to 150

_

C

THERMAL CHARACTERISTICS

Characteristic

Symbol

Max.

Unit

Thermal Resistance, Junction to Case

θ

JC

1.67

_

C/W

100

75

50

25

0

40 60 120 140 160

Figure 1. Power Derating

TC, CASE TEMPERATURE (°C)

P

D

, POWER DISSIPATION (W)

0 20 80 100



SEMICONDUCTOR TECHNICAL DATA

Order this document

by BU522B/D

 Motorola, Inc. 1995



7 AMPERES

DARLINGTON

POWER TRANSISTORS

NPN SILICON

450 VOLTS

75 WATTS

CASE 221A–06

TO–220AB

REV 7

BU522B

2

Motorola Bipolar Power Transistor Device Data

ELECTRICAL CHARACTERISTICS (T

C

= 25_C unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

ÎÎÎ

ÎÎÎ

ÎÎÎ

Unit

OFF CHARACTERISTICS

Collector–Emitter Sustaining Voltage (See Figure 2)

(IC = 1.0 A) See Figure 2

V

CER(sus)

425

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

Vdc

Collector Cutoff Current

(Rated V

CER

, RBE = 270 Ω)

I

CER

1.0

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

mAdc

Collector Cutoff Current

(Rated V

CBO

, IE = 0)

I

CBO

1.0

ÎÎÎ

ÎÎÎ

ÎÎÎ

mAdc

Emitter Cutoff Current

(VEB = 5.0 Vdc, IC = 0)

I

EBO

40

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

mAdc

ON CHARACTERISTICS

DC Current Gain

(IC = 2.5 Adc, VCE = 5 Vdc)

h

FE

250

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

—

Collector–Emitter Saturation Voltage

(IC = 4 Adc, IB = 80 mAdc)

V

CE(sat)

2

ÎÎÎ

ÎÎÎ

ÎÎÎ

Vdc

Base–Emitter Saturation Voltage

(IC = 4 Adc, IB = 80 mAdc)

V

BE(sat)

2.5

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

Vdc

DYNAMIC CHARACTERISTICS

Current Gain — Bandwidth Product

(IC = 0.3 mAdc, VCE = 5.0 Vdc, f

test

= 10 MHz)

f

T

7.5

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

MHz

Output Capacitance

(VCB = 10 Vdc, IE = 0, f = 0.1 MHz)

C

ob

150

ÎÎÎ

ÎÎÎ

ÎÎÎ

ÎÎÎ

pF

BU522B

3

Motorola Bipolar Power Transistor Device Data

6

0

Figure 2. Sustaining Voltage Test V

CER(sus)

V

CER(sus)

, COLLECTOR–EMITTER VOLTAGE (VOLTS)

5

4

3

2

1

0

100 200 300 400 500

I

C

, COLLECTOR CURRENT (AMP)

BU522B

t1 to be selected that IC reaches 3 Adc before switch–off
Case temperature of the power transistor TC = 25°C

Figure 3. S.O.A. Test

Clamping device characteristics:
VZ = 400 V ± 1% at IZ = 20 mA

Clamping duration is around 40 µsec
t2 to be selected that IL reaches

5 Adc before switch–off
Case temperature of the power

transistor: TC = 25°C.

670 A

INPUT

t

1

47 A

INDUCTIVE

LOAD

1N4148

270

Ω

T.U.T.

BC337

70 ms

V

BAT

= +16 V

300

µ

H

VOLTAGE PROBE
(V

CER(sus)

)

CURRENT PROBE (IC)

~ 0.6 A

IC = 3 A

0 V

670 A

INPUT

t

2

47 A

INDUCTIVE

LOAD

1N4148

270

Ω

T.U.T.

BC337

70 ms

V

BAT

= +16 V

3 mH

VOLTAGE PROBE
(V

CER(sus)

)

CURRENT
PROBE (IC)

0.6 A

IC = 3 A

0 V

V

Z

1.1 A

0.10

µ

F

300 V

Test conditions of the Collector–Base Clamping Circuit:

BU522B

4

Motorola Bipolar Power Transistor Device Data

PACKAGE DIMENSIONS

CASE 221A–06

TO–220AB

ISSUE Y

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.

STYLE 1:

PIN 1. BASE

2. COLLECTOR

3. EMITTER

4. COLLECTOR

DIM MIN MAX MIN MAX

MILLIMETERSINCHES

A 0.570 0.620 14.48 15.75
B 0.380 0.405 9.66 10.28
C 0.160 0.190 4.07 4.82
D 0.025 0.035 0.64 0.88
F 0.142 0.147 3.61 3.73
G 0.095 0.105 2.42 2.66
H 0.110 0.155 2.80 3.93
J 0.018 0.025 0.46 0.64
K 0.500 0.562 12.70 14.27
L 0.045 0.060 1.15 1.52
N 0.190 0.210 4.83 5.33
Q 0.100 0.120 2.54 3.04
R 0.080 0.110 2.04 2.79
S 0.045 0.055 1.15 1.39
T 0.235 0.255 5.97 6.47
U 0.000 0.050 0.00 1.27
V 0.045 ––– 1.15 –––
Z ––– 0.080 ––– 2.04

B

Q

H

Z

L

V

G

N

A

K

F

1 2 3

4

D

SEATING
PLANE

–T–

C

S

T

U

R
J

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BU522B/D

*BU522B/D*

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