Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU2520DX
GENERAL DESCRIPTION
New generation, high-voltage, high-speed switching npn transistor with an integrated damper diode in a full plastic
envelope intended for use in horizontal deflection circuits of large screen colour television receivers.
QUICK REFERENCE DATA
SYMBOL
V
CESM
V
CEO
I
C
I
CM
P
tot
V
CEsat
I
Csat
V
F
t
f
PARAMETER
Collector-emitter voltage peak value
Collector-emitter voltage (open base)
Collector current (DC)
Collector current peak value
Total power dissipation
Collector-emitter saturation voltage
Collector saturation current
Diode forward voltage
Fall time
CONDITIONS
V
BE
= 0 V
TYP.
-
-
-
-
-
-
6
-
0.35
MAX.
1500
800
10
25
45
5.0
-
2.2
0.5
UNIT
V
V
A
A
W
V
A
V
µs
T
hs
≤
25 ˚C
I
C
= 6.0 A; I
B
= 1.2 A
I
F
= 6.0 A
I
Csat
= 6.0 A; I
B(end)
= 1.0 A
PINNING - SOT399
PIN
1
2
3
base
collector
emitter
DESCRIPTION
PIN CONFIGURATION
case
SYMBOL
c
b
Rbe
case isolated
1 2 3
e
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL
V
CESM
V
CEO
I
C
I
CM
I
B
I
BM
-I
B(AV)
-I
BM
P
tot
T
stg
T
j
PARAMETER
Collector-emitter voltage peak value
Collector-emitter voltage (open base)
Collector current (DC)
Collector current peak value
Base current (DC)
Base current peak value
Reverse base current
Reverse base current peak value
1
Total power dissipation
Storage temperature
Junction temperature
CONDITIONS
V
BE
= 0 V
MIN.
-
-
-
-
-
-
-
-
-
-55
-
MAX.
1500
800
10
25
6
9
150
6
45
150
150
UNIT
V
V
A
A
A
A
mA
A
W
˚C
˚C
average over any 20 ms period
T
hs
≤
25 ˚C
THERMAL RESISTANCES
SYMBOL
R
th j-hs
R
th j-a
PARAMETER
Junction to heatsink
Junction to ambient
CONDITIONS
with heatsink compound
in free air
TYP.
-
35
MAX.
2.8
-
UNIT
K/W
K/W
1
Turn-off current.
September 1997
1
Rev 2.300
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU2520DX
ISOLATION LIMITING VALUE & CHARACTERISTIC
T
hs
= 25 ˚C unless otherwise specified
SYMBOL
V
isol
PARAMETER
Repetitive peak voltage from all
three terminals to external
heatsink
CONDITIONS
R.H.
≤
65 % ; clean and dustfree
MIN.
-
TYP.
MAX.
2500
UNIT
V
C
isol
Capacitance from T2 to external f = 1 MHz
heatsink
-
22
-
pF
STATIC CHARACTERISTICS
T
hs
= 25 ˚C unless otherwise specified
SYMBOL
I
CES
I
CES
I
EBO
BV
EBO
R
be
V
CEOsust
V
CEsat
V
BEsat
h
FE
h
FE
V
F
PARAMETER
Collector cut-off current
2
Emitter cut-off current
Emitter-base breakdown voltage
Base-emitter resistance
Collector-emitter sustaining voltage
Collector-emitter saturation voltage
Base-emitter saturation voltage
DC current gain
Diode forward voltage
CONDITIONS
V
BE
= 0 V; V
CE
= V
CESMmax
V
BE
= 0 V; V
CE
= V
CESMmax
;
T
j
= 125 ˚C
V
EB
= 7.5 V; I
C
= 0 A
I
B
= 600 mA
V
EB
= 7.5 V
I
B
= 0 A; I
C
= 100 mA;
L = 25 mH
I
C
= 6.0 A; I
B
= 1.2 A
I
C
= 6.0 A; I
B
= 1.2 A
I
C
= 1.0 A; V
CE
= 5 V
I
C
= 6 A; V
CE
= 5 V
I
F
= 6 A
MIN.
-
-
100
7.5
-
800
-
-
-
5
-
TYP.
-
-
-
13.5
50
-
-
-
13
7
-
MAX.
1.0
2.0
300
-
-
-
5.0
1.1
-
9.5
2.2
UNIT
mA
mA
mA
V
Ω
V
V
V
V
DYNAMIC CHARACTERISTICS
T
mb
= 25 ˚C unless otherwise specified
SYMBOL
C
c
PARAMETER
Collector capacitance
Switching times (16 kHz line
deflection circuit)
t
s
t
f
Turn-off storage time
Turn-off fall time
CONDITIONS
I
E
= 0 A; V
CB
= 10 V; f = 1 MHz
I
Csat
= 6.0 A; L
C
= 650
µH;
C
fb
= 19 nF;
I
B(end)
= 1.0 A; L
B
= 5.3
µH;
-V
BB
= 4 V;
(-dI
B
/dt = 0.8 A /
µs)
4.5
0.35
5.5
0.5
µs
µs
TYP.
115
MAX.
-
UNIT
pF
2
Measured with half sine-wave voltage (curve tracer).
September 1997
2
Rev 2.300
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU2520DX
TRANSISTOR
IC
DIODE
ICsat
100
hFE
Tj = 25 C
t
5V
Tj = 125 C
IB
IBend
10
t
20us
26us
64us
VCE
1V
1
0.1
t
1
IC / A
10
100
Fig.1. Switching times waveforms (16 kHz).
Fig.4. Typical DC current gain. h
FE
= f (I
C
)
parameter V
CE
VBESAT / V
Tj = 25 C
Tj = 125 C
ICsat
90 %
IC
1.2
1.1
1.0
0.9
10 %
tf
ts
IB
IBend
0.8
t
0.7
0.6
t
IC/IB=
3
4
5
0.1
1
IC / A
10
0.5
0.4
- IBM
Fig.2. Switching times definitions.
Fig.5. Typical base-emitter saturation voltage.
V
BE
sat = f (I
C
); parameter I
C
/I
B
VCESAT / V
IC/IB =
5
4
3
+ 150 v nominal
adjust for ICsat
1.0
0.9
0.8
Lc
0.7
0.6
0.5
Tj = 25 C
D.U.T.
IBend
LB
Cfb
Rbe
0.4
0.3
0.2
0.1
0
0.1
Tj = 125 C
-VBB
1
IC / A
10
100
Fig.3. Switching times test circuit.
Fig.6. Typical collector-emitter saturation voltage.
V
CE
sat = f (I
C
); parameter I
C
/I
B
September 1997
3
Rev 2.300
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU2520DX
1.2
1.1
1.0
0.9
VBESAT / V
Tj = 25 C
Tj = 125 C
ts, tf / us
12
11
10
9
8
7
6
5
4
3
2
1
0
ts
IC=
0.8
0.7
0.6
0
1
2
IB / A
3
8A
6A
5A
4A
4
IC =
6A
5A
tf
0.1
1
IB / A
10
Fig.7. Typical base-emitter saturation voltage.
V
BE
sat = f (I
B
); parameter I
C
VCESAT / V
Tj = 25 C
Tj = 125 C
Fig.10. Typical collector storage and fall time.
ts = f (I
B
); tf = f (I
B
); parameter I
C
; T
j
= 85˚C; f = 16 kHz
Normalised Power Derating
with heatsink compound
10
120
110
100
90
80
70
60
6A
PD%
8A
1
5A
IC = 4 A
0.1
0.1
1
IB / A
10
50
40
30
20
10
0
0
20
40
60
80
Ths / C
100
120
140
Fig.8. Typical collector-emitter saturation voltage.
V
CE
sat = f (I
B
); parameter I
C
Eoff / uJ
1000
Fig.11. Normalised power dissipation.
PD% = 100
⋅
P
D
/P
D 25˚C
= f (T
hs
)
Zth / (K/W)
10
IC = 6 A
1
0.5
0.2
0.1
0.05
0.02
100
5A
0.1
0.01
D=0
10
0.1
1
IB / A
10
P
D
t
p
D=
t
p
T
t
0.001
1E-06
T
1E-04
1E-02
t/s
1E+00
Fig.9. Typical turn-off losses. T
j
= 85˚C
Eoff = f (I
B
); parameter I
C
; parameter frequency
Fig.12. Transient thermal impedance.
Z
th j-hs
= f(t); parameter D = t
p
/T
September 1997
4
Rev 2.300
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU2520DX
IC / A
100
BU2520AF
tp =
ICM
= 0.01
30 us
ICDC
10
100 us
Ptot
1
1 ms
0.1
10 ms
DC
0.01
1
10
100
1000
VCE / V
Fig.13. Forward bias safe operating area. T
hs
= 25 ˚C
I
CDC
& I
CM
= f(V
CE
); I
CM
single pulse; parameter t
p
Second-breakdown limits independant of temperature.
Mounted with heatsink compound.
September 1997
5
Rev 2.300
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