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DISCRETE SEMICONDUCTORS
DATA SHEET
BU505; BU505D
Silicon diffused power transistors
Product specification
Supersedes data of February 1996
File under Discrete Semiconductors, SC06
1997 Aug 13
Philips Semiconductors
Product specification
Silicon diffused power transistors
BU505; BU505D
DESCRIPTION
High-voltage, high-speed switching
NPN power transistor in a TO-220AB
package. The BU505D has an
integrated efficiency diode.
2
2
APPLICATIONS
1
1
·
Horizontal deflection circuits of
colour television receivers.
MBB008
3
3
MBB077
PINNING
MBK106
123
a. BU505.
b. BU505D.
PIN
DESCRIPTION
1
base
2
collector; connected to
mounting base
Fig.1 Simplified outline (TO-220AB) and symbols.
3
emitter
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
V
CESM
collector-emitter peak voltage V
BE
=0
-
1500
V
V
CEO
collector-emitter voltage
open base
-
700
V
V
CEsat
collector-emitter saturation
voltage
I
C
= 2 A; I
B
= 900 mA
-
1
V
V
F
diode forward voltage
(BU505D)
I
F
=2A
-
1.8
V
I
Csat
collector saturation current
-
2
A
I
C
collector current (DC)
see Fig.3
-
2.5
A
I
CM
collector current (peak value)
see Fig.3
-
4
A
P
tot
total power dissipation
T
mb
£
25
°
C; see Fig.4
-
75
W
t
f
fall time
inductive load; see Fig.7
0.9
-
m
s
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-mb
thermal resistance from junction to mounting base
1.67
K/W
1997 Aug 13
1
Philips Semiconductors
Product specification
Silicon diffused power transistors
BU505; BU505D
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
CESM
collector-emitter peak voltage
V
BE
=0
-
1500
V
V
CEO
collector-emitter voltage
open base
-
700
V
I
Csat
collector saturation current
-
2
A
I
C
collector current (DC)
see Fig.3
-
2.5
A
I
CM
collector current (peak value)
see Fig.3
-
4
A
I
B
base current (DC)
-
2
A
I
BM
base current (peak value)
-
4
A
P
tot
total power dissipation
T
mb
£
25
°
C; see Fig.4
-
75
W
T
stg
storage temperature
-
65
+150
C
T
j
junction temperature
-
150
°
C
MGB859
10
handbook, full pagewidth
Z
th j
mb
(K/W)
-
d
= 1
0.75
0.50
0.33
0.20
0.10
0.05
1
10
-
1
0.02
0.01
0
10
-
2
10
-
2
10
-
1
1
10
t
p
(ms)
10
2
Fig.2 Transient thermal impedance.
1997 Aug 13
2
°
Philips Semiconductors
Product specification
Silicon diffused power transistors
BU505; BU505D
CHARACTERISTICS
T
j
=25
°
C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CEOsust
collector-emitter sustaining voltage see Figs 5 and 6
700
-
-
V
V
CEsat
collector-emitter saturation voltage I
C
= 2 A; I
B
= 900 mA
-
-
1
V
V
BEsat
base-emitter saturation voltage
I
C
= 2 A; I
B
= 900 mA
-
-
1.3
V
V
EBO
emitter-base voltage
I
E
= 10 mA; I
C
=0
-
6
-
V
V
F
diode forward voltage (BU505D)
I
F
=2A
-
-
1.8
V
I
CES
collector-emitter cut-off current
V
CE
=V
CESmax
; V
BE
=0;
note 1
-
-
0.15
mA
V
CE
=V
CESmax
; V
BE
=0;
T
j
= 125
-
-
1
mA
°
C; note 1
I
EBO
emitter-base cut-off current
V
EB
=5V; I
C
=0
-
-
1
mA
h
FE
DC current gain
V
CE
=5V; I
C
= 100 mA
6
13
30
f
T
transition frequency
V
CE
=5V; I
C
= 100 mA;
f = 5 MHz
-
7
-
MHz
C
c
collector capacitance
V
CB
=10V; I
E
=i
e
=0;
f = 1 MHz
-
65
-
pF
Switching times in horizontal deflection circuit
(see Fig.7)
t
s
storage time
I
CM
= 2 A; I
B(end)
= 900 mA;
V
dr
=
-
4V
L
B
=10
m
H
-
6.5
-
m
s
L
B
=15
m
H
-
7.5
-
m
s
L
B
=25
m
H
-
9.5
-
m
s
t
f
fall time
I
CM
= 2 A; I
B(end)
= 900 mA;
V
dr
=
4V
L
B
=10
m
H
-
0.9
-
m
s
L
B
=15
m
H
-
0.9
-
m
s
L
B
=25
m
H
-
0.85
-
m
s
Note
1. Measured with a half-sinewave voltage (curve tracer).
1997 Aug 13
3
-
Philips Semiconductors
Product specification
Silicon diffused power transistors
BU505; BU505D
10
2
MGB942
handbook, full pagewidth
I
C
(A)
10
I
CM max
d
= 0.01
I
C max
t
p
=
10
m
s
II
(1)
20
m
s
1
50
m
s
100
m
s
I
200
m
s
500
m
s
10
-
1
(2)
2 ms
10 ms
DC
10
-
2
10
2
10
3
10
4
10
V
CE
(V)
C.
I - Region of permissible DC operation.
II - Permissible extension for repetitive pulse operation.
(1) P
tot max
and P
tot peak max
lines.
(2) Second breakdown limits.
Fig.3 Forward bias SOAR.
1997 Aug 13
4
T
mb
=25
°
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