Philips BU2527A Datasheet
Philips Semiconductors Preliminary specification
Silicon Diffused Power Transistor BU2527A
GENERAL DESCRIPTION
New generation, high-voltage, high-speed switching npn transistor in a plastic envelope intended for use in
horizontal deflection circuits of high resolution monitors. Features improved RBSOA performance and is suitable for
operation up to 64 kHz.
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT
V
CESM
V
CEO
I
C
I
CM
P
tot
V
CEsat
I
Csat
t
s
PINNING - SOT93 PIN CONFIGURATION SYMBOL
Collector-emitter voltage peak value VBE = 0 V - 1500 V
Collector-emitter voltage (open base) - 800 V
Collector current (DC) - 12 A
Collector current peak value - 30 A
Total power dissipation Tmb ≤ 25 ˚C - 125 W
Collector-emitter saturation voltage IC = 6.0 A; IB = 1.2 A - 5.0 V
Collector saturation current 6.0 - A
Storage time ICM = 6.0 A; I
= 0.55 A 1.7 2.0 µs
B(end)
PIN DESCRIPTION
tab
c
1 base
2 collector
b
3 emitter
tab collector
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
CESM
V
CEO
I
C
I
CM
I
B
I
BM
-I
B(AV)
-I
BM
P
tot
T
stg
T
j
Collector-emitter voltage peak value VBE = 0 V - 1500 V
Collector-emitter voltage (open base) - 800 V
Collector current (DC) - 12 A
Collector current peak value - 30 A
Base current (DC) - 8 A
Base current peak value - 12 A
Reverse base current average over any 20 ms period - 200 mA
Reverse base current peak value
1
Total power dissipation Tmb ≤ 25 ˚C - 125 W
Storage temperature -65 150 ˚C
Junction temperature - 150 ˚C
THERMAL RESISTANCES
123
e
-7A
SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT
R
th j-mb
R
th j-a
1 Turn-off current.
Junction to mounting base - 1.0 K/W
Junction to ambient in free air 45 - K/W
November 1995 1 Rev 1.100
Philips Semiconductors Preliminary specification
Silicon Diffused Power Transistor BU2527A
STATIC CHARACTERISTICS
Tmb = 25 ˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
CES
I
CES
I
EBO
BV
V
CEOsust
V
CEsat
V
BEsat
h
FE
h
FE
EBO
Collector cut-off current
Emitter cut-off current VEB = 7.5 V; IC = 0 A - - 0.25 mA
Emitter-base breakdown voltage IB = 1 mA 7.5 13.5 - V
Collector-emitter sustaining voltage IB = 0 A; IC = 100 mA; 800 - - V
Collector-emitter saturation voltage IC = 6.0 A; IB = 1.2 A - - 5.0 V
Base-emitter saturation voltage IC = 6.0 A; IB = 1.2 A - - 1.3 V
DC current gain IC = 1 A; VCE = 5 V 6 10 21
DYNAMIC CHARACTERISTICS
Tmb = 25 ˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT
C
c
t
s
t
f
Collector capacitance IE = 0 A; VCB = 10 V; f = 1 MHz 145 - pF
Switching times (64 kHz line ICM = 6.0 A; LC = 170 µH; Cfb = 5.4 nF;
deflection circuit) I
Turn-off storage time 1.7 2.0 µs
Turn-off fall time 0.1 0.2 µs
2
VBE = 0 V; VCE = V
VBE = 0 V; VCE = V
Tj = 125 ˚C
CESMmax
; - - 2.0 mA
CESMmax
- - 0.25 mA
L = 25 mH
IC = 6 A; VCE = 5 V 5 7 9
= 0.55 A; LB = 0.6 µH;
B(end)
-VBB = 2 V; (-dIB/dt = 3.33 A/µs)
30-60 Hz
100R
6V
Fig.1. Test circuit for V
100-200R
Horizontal
Oscilloscope
Vertical
1R
CEOsust
+ 50v
. Fig.2. Oscilloscope display for V
IC / mA
250
200
100
0
VCE / V
min
VCEOsust
CEOsust
.
2 Measured with half sine-wave voltage (curve tracer).
November 1995 2 Rev 1.100
Philips Semiconductors Preliminary specification
Silicon Diffused Power Transistor BU2527A
TRANSISTOR
DIODE
6.5 us5 us
16 us
V
I
I
CE
C
B
Fig.3. Switching times waveforms.
ICM
90 %
IC
10 %
IB
ts
IBend
tf
I
CM
I end
B
t
VCC
t
LC
t
t
IBend
-VBB
LB
T.U.T.
Fig.6. Test Circuit RBSOA. VCC = 140 V; -VBB = 4 V;
VCL
CFB
LC = 100 - 200 µH; VCL ≤ 1500 V; LB = 3 µH;
CFB = 1 - 2.2 nF; IB(end) = 1 - 2 A
100
10
h
FE
Tj = 85 C
Tj = 25 C
Tj = -40 C
BU2527A
IBend
-VBB
- IBM
Fig.4. Switching times definitions.
+ 150 v nominal
adjust for ICM
Lc
LB
T.U.T.
Cfb
Fig.5. Switching times test circuit
t
BY228
.
1
0.01 0.1 1 10 100
IC / A
Fig.7. Typical DC current gain. hFE = f (IC)
VCE = 5 V
VBESAT / V BU2527A
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.1 1 10
Tj = 85 C
Tj = 25 C
IC/IB =
3
5
IC / A
Fig.8. Typical base-emitter saturation voltage.
VBEsat = f (IC); parameter IC/I
B
November 1995 3 Rev 1.100
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