Philips Semiconductors |
Preliminary specification |
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Silicon Diffused Power Transistor |
BU2727A |
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GENERAL DESCRIPTION
High voltage, high-speed switching npn transistor in a plastic envelope intended for use in horizontal deflection circuits of high resolution monitors, suitable for operation up to 64 kHz. Designed to withstand VCES pulses up to 1700V.
QUICK REFERENCE DATA
SYMBOL |
PARAMETER |
CONDITIONS |
TYP. |
MAX. |
UNIT |
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VCESM |
Collector-emitter voltage peak value |
VBE = 0 V |
- |
1700 |
V |
VCEO |
Collector-emitter voltage (open base) |
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- |
825 |
V |
IC |
Collector current (DC) |
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- |
12 |
A |
ICM |
Collector current peak value |
Tmb ≤ 25 ˚C |
- |
30 |
A |
Ptot |
Total power dissipation |
- |
125 |
W |
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VCEsat |
Collector-emitter saturation voltage |
IC = 5.0 A; IB = 0.91 A |
- |
1.0 |
V |
ICsat |
Collector saturation current |
|
5.0 |
- |
A |
ts |
Storage time |
ICM = 5.0 A; IB(end) = 0.9 A |
2.2 |
tbf |
μs |
PINNING - SOT93 |
PIN CONFIGURATION |
SYMBOL |
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PIN |
DESCRIPTION |
tab |
c |
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1 |
base |
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2 |
collector |
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b |
3 |
emitter |
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tab |
collector |
1 2 3 |
e |
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LIMITING VALUES
Limiting values in accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
MAX. |
UNIT |
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VCESM |
Collector-emitter voltage peak value |
VBE = 0 V |
- |
1700 |
V |
VCEO |
Collector-emitter voltage (open base) |
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- |
825 |
V |
IC |
Collector current (DC) |
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- |
12 |
A |
ICM |
Collector current peak value |
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- |
30 |
A |
IB |
Base current (DC) |
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- |
12 |
A |
IBM |
Base current peak value |
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- |
25 |
A |
-IB(AV) |
Reverse base current |
average over any 20 ms period |
- |
200 |
mA |
-I |
Reverse base current peak value 1 |
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- |
25 |
A |
BM |
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Tmb ≤ 25 ˚C |
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Ptot |
Total power dissipation |
- |
125 |
W |
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Tstg |
Storage temperature |
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-65 |
150 |
˚C |
Tj |
Junction temperature |
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- |
150 |
˚C |
ESD LIMITING VALUES
SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
MAX. |
UNIT |
VC |
Electrostatic discharge capacitor voltage |
Human body model (250 pF, |
- |
10 |
kV |
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1.5 kΩ) |
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1 Turn-off current.
December 1995 |
1 |
Rev 1.000 |
Philips Semiconductors |
Preliminary specification |
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|
Silicon Diffused Power Transistor |
BU2727A |
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THERMAL RESISTANCES
SYMBOL |
PARAMETER |
CONDITIONS |
TYP. |
MAX. |
UNIT |
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Rth j-mb |
Junction to mounting base |
- |
- |
1.0 |
K/W |
Rth j-a |
Junction to ambient |
in free air |
45 |
- |
K/W |
STATIC CHARACTERISTICS
Tmb = 25 ˚C unless otherwise specified
SYMBOL |
PARAMETER |
CONDITIONS |
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MIN. |
TYP. |
MAX. |
UNIT |
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I |
Collector cut-off current 2 |
V = |
0 V; V |
CE |
= V |
CESMmax |
- |
- |
1.0 |
mA |
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CES |
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BE |
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ICES |
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VBE = |
0 V; VCE = VCESMmax; |
- |
- |
2.0 |
mA |
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IEBO |
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Tj = 125 ˚C |
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Emitter cut-off current |
VEB = |
7.5 V; IC = 0 A |
- |
- |
1.0 |
mA |
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BVEBO |
Emitter-base breakdown voltage |
IB = 1 mA |
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7.5 |
13.5 |
- |
V |
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VCEOsust |
Collector-emitter sustaining voltage |
IB = 0 A; IC = 100 mA; |
825 |
- |
- |
V |
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L = 25 mH |
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VCEsat |
Collector-emitter saturation voltage |
IC = 5.0 |
A; IB = |
0.91 A |
- |
- |
1.0 |
V |
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VBEsat |
Base-emitter saturation voltage |
IC = 5.0 |
A; IB = |
0.91 A |
0.78 |
0.86 |
0.95 |
V |
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hFE |
DC current gain |
IC = 0.1 |
A; VCE = 5 V |
12 |
22 |
35 |
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hFE |
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IC = 5 A; VCE = |
1 V |
5.5 |
8 |
11 |
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DYNAMIC CHARACTERISTICS
Tmb = 25 ˚C unless otherwise specified
SYMBOL |
PARAMETER |
CONDITIONS |
TYP. |
MAX. |
UNIT |
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Switching times (64 kHz line |
ICM = 5.0 A; LC = 260 μH; Cfb = 4.8 nF; |
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deflection circuit) |
VCC = 180 V; IB(end) = 0.9 A; |
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LB = 0.6 μH; -VBB = 2 V; |
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ts |
Turn-off storage time |
(-dIB/dt = 3.33 A/μs) |
2.2 |
tbf |
μs |
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tf |
Turn-off fall time |
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tbf |
tbf |
μs |
+ 50v 100-200R
Horizontal
Oscilloscope
Vertical
100R |
1R |
6V
30-60 Hz
Fig.1. Test circuit for VCEOsust.
IC / mA
250 
200 
100 
0
VCE / V |
min |
VCEOsust
Fig.2. Oscilloscope display for VCEOsust.
2 Measured with half sine-wave voltage (curve tracer).
December 1995 |
2 |
Rev 1.000 |
Philips Semiconductors |
Preliminary specification |
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Silicon Diffused Power Transistor |
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BU2727A |
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TRANSISTOR |
I CM |
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+ 150 v nominal |
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I C |
DIODE |
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adjust for ICM |
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t |
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Lc |
I B |
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I B end |
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t |
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5 us |
6.5 us |
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IBend |
LB |
T.U.T. |
BY228 |
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16 us |
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Cfb |
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VCE |
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-VBB |
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t |
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Fig.3. |
Switching times waveforms (64 kHz). |
Fig.5. |
Switching times test circuit. |
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ICM |
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90 % |
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IC |
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10 % |
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tf |
t |
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ts |
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IB |
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IBend |
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t |
- IBM
Fig.4. Switching times definitions.
hFE |
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BU2727A/AF |
100 |
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VCE = 5 V |
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Tmb = 25 C |
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Tmb = 85 C |
10 |
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1 |
0.1 |
1 |
10 |
100 |
0.01 |
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IC / A |
Fig.6. DC current gain. hFE = f (IC) Parameter Tmb
(Low and high gain)
December 1995 |
3 |
Rev 1.000 |
Philips Semiconductors |
Preliminary specification |
|
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Silicon Diffused Power Transistor |
BU2727A |
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hFE |
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BU2727A/AF |
100 |
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VCE = 1 V |
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Tmb = 25 C |
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Tmb = 85 C |
10 |
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1 |
0.1 |
1 |
10 |
100 |
0.01 |
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IC / A |
Fig.7. DC current gain. hFE = f (IC) Parameter Tmb
(Low and high gain)
VCEsat / V |
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BU2727A/AF |
10 |
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Tmb = 85 C |
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Tmb = 25 C |
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1 |
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IC/IB = 12 |
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0.1 |
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IC/IB = 5 |
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0.01 |
1 |
10 |
100 |
0.1 |
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IC / A |
Fig.8. Typical collector-emitter saturation voltage. VCEsat = f (IC); parameter IC/IB
1 |
VBEsat / V |
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BU2727A/AF |
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IC = 6 A |
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0.9 |
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0.8 |
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0.7 |
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4 A |
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Tmb = 85 C |
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Tmb = 25 C |
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0.6 |
0 |
1 |
2 |
3 |
4 |
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IB / A |
Fig.9. Typical base-emitter saturation voltage. VBEsat = f (IB); parameter IC
120 |
PD% |
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Normalised Power Derating |
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110 |
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100 |
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90 |
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80 |
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70 |
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60 |
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50 |
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40 |
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30 |
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20 |
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10 |
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0 |
0 |
20 |
40 |
60 |
80 |
100 |
120 |
140 |
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Tmb / |
C |
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Fig.10. |
Normalised power dissipation. |
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PD% = 100×PD/PD 25˚C = f (Tmb) |
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Zth / (K/W) |
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BU2525A |
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10 |
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1 |
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0.5 |
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0.2 |
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0.1 |
0.1 |
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0.05 |
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0.02 |
P |
tp |
D = |
tp |
0.01 |
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D |
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T |
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D = 0 |
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T |
t |
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0.001 |
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1E-06 |
1E-04 |
1E-02 |
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1E+00 |
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t / s |
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Fig.11. Transient thermal impedance. Zth j-mb = f(t); parameter D = tp/T
December 1995 |
4 |
Rev 1.000 |
Philips Semiconductors |
Preliminary specification |
|
|
Silicon Diffused Power Transistor |
|
|
BU2727A |
|||
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VCC |
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IC / A |
BU2727A/AF/D/DF |
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35 |
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30 |
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LC |
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25 |
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Area where |
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20 |
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fails occur |
IBend |
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VCL |
15 |
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LB |
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CFB |
10 |
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T.U.T. |
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-VBB |
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5 |
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0 |
1000 |
1700 |
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100 |
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Fig.12. |
Test Circuit RBSOA. |
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VCE / V |
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VCC = 150 V; -VBB = 1 - 4 V; |
μH; |
Fig.13. |
Reverse bias safe operating area. Tj ≤ Tjmax |
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LC = 1 mH; VCL = 1500 V; LB = 0.5 - 2 |
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CFB = 1 - 3 nF; IB(end) = 0.8 - 4 A |
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December 1995 |
5 |
Rev 1.000 |
Philips Semiconductors |
Preliminary specification |
|
|
Silicon Diffused Power Transistor |
BU2727A |
|
|
MECHANICAL DATA
Dimensions in mm
Net Mass: 5 g
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15.2 |
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max |
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14 |
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13.6 |
4.6 |
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2 max |
4.25 |
max |
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2 |
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4.15 |
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4.4 |
21 max
12.7 max
2.2 max |
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dimensions within |
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0.5 |
13.6 |
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min |
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this zone are |
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min |
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uncontrolled |
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1 |
2 |
3 |
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5.5 |
1.15 |
0.5 M |
0.4 |
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0.95 |
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1.6 |
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11 |
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Fig.14. SOT93; pin 2 connected to mounting base.
Notes
1.Refer to mounting instructions for SOT93 envelope.
2.Epoxy meets UL94 V0 at 1/8".
December 1995 |
6 |
Rev 1.000 |
Philips Semiconductors |
Preliminary specification |
|
|
Silicon Diffused Power Transistor |
BU2727A |
|
|
DEFINITIONS
Data sheet status
Objective specification |
This data sheet contains target or goal specifications for product development. |
|
|
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification |
This data sheet contains final product specifications. |
Limiting values
Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of this specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
© Philips Electronics N.V. 1995
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, it is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
December 1995 |
7 |
Rev 1.000 |