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MD1803DFP
High voltage NPN Power transistor for standard definition CRT
display
Features
■ State-of-the-art technology:
– Diffused collector “enhanced generation”
■ Stable performance versus operating
temperature variation
■ Low base drive requirement
■ Tight h
■ Fully insulated power package UL compliant
■ Integrated free wheeling diode
range at operating collector current
FE
Applications
■ Horizontal deflection output for TV
Description
The MD1803DFP is manufactured using diffused
collector in planar technology adopting new and
enhanced high voltage structure. The new MD
product series show improved silicon efficiency
bringing updated performance to the horizontal
deflection stage.
3
2
1
TO-220FP
Figure 1. Internal schematic diagram
RBE=60Ω typ.
Table 1. Device summary
Order code Marking Package Packing
MD1803DFP MD1803DFP TO-220FP Tube
May 2008 Rev 1 1/10
www.st.com
10
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Electrical ratings MD1803DFP
1 Electrical ratings
Table 2. Absolute maximum rating
Symbol Parameter Value Unit
V
V
V
I
P
V
T
Collector-emitter voltage (VBE = 0) 1500 V
CES
Collector-emitter voltage (IB = 0) 700 V
CEO
Emitter-base voltage (IC = 0) 10 V
EBO
I
Collector current 10 A
C
Collector peak current (tP < 5ms) 15 A
CM
Base current 5 A
I
B
Total dissipation at Tc = 25°C 40 W
TOT
Insulation withstand voltage (rms) from all three leads to
isol
external heatsink
Storage temperature -65 to 150 °C
stg
Max. operating junction temperature 150 °C
T
J
1500 V
Table 3. Thermal data
Symbol Parameter Value Unit
R
thj-case
Thermal resistance junction-case ___________ ____max 3.125 °C/W
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MD1803DFP Electrical characteristics
2 Electrical characteristics
(T
= 25°C; unless otherwise specified)
CASE
Table 4. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
I
CES
I
EBO
V
(BR)EBO
V
CE(sat)
V
BE(sat)
h
FE
V
Collector cut-off current
= 0)
(V
BE
Emitter cut-off current
= 0)
(I
C
Emitter-base breakdown voltage
(IC = 0)
Collector-emitter saturation
(1)
voltage
(1)
Base-emitter saturation voltage IC = 5 A IB = 1.25 A 1.2 V
(1)
DC current gain
Diode forward voltage IF= 5 A 1.6 V
F
Inductive load
t
1. Pulsed duration = 300 ms, duty cycle ≤ 1.5%.
Storage time
s
t
Fall time
f
V
= 1500 V
CE
= 1500 V Tc= 125 °C
V
CE
V
= 5 V 40 120 mA
EB
I
= 700 mA 10 V
E
= 5 A IB = 1.25 A 2 V
I
C
I
= 1 A V
C
= 5 A V
I
C
IC = 5 A V
= 5 V
CE
= 1 V
CE
= 5 V 5.5
CE
18
5
IC = 4 A__ _ _ fh = 16 KHz
I
B(on)
L
BB(off)
= 0.6 A__ V
= 4.5 µH
BE(off)
= - 2.7V
2.5
0.3
0.2
2
7.5
3
0.6
mA
mA
µs
µs
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Electrical characteristics MD1803DFP
2.1 Electrical characteristics (curve)
Figure 2. Safe operating area Figure 3. Derating curve
Figure 4. Output characteristics Figure 5. Reverse biased SOA
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MD1803DFP Electrical characteristics
Figure 6. DC current gain Figure 7. DC current gain
Figure 8. Collector-emitter saturation voltage Figure 9. Base-emitter saturation voltage
Figure 10. Power losses Figure 11. Inductive load switching time
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Test circuit MD1803DFP
3 Test circuit
Figure 12. Power losses and inductive load switching test circuit
Figure 13. Reverse biased safe operating area test circuit
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MD1803DFP Package mechanical data
4 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect . The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
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Package mechanical data MD1803DFP
TO-220FP mechanical data
Dim.
A 4.40 4.60 0.173 0.181
B 2.5 2.7 0.098 0.106
D 2.5 2.75 0.098 0.108
E 0.45 0.70 0.017 0.027
F 0.75 1.00 0.0300.039
F1 1.15 1.50 0.045 0.067
F2 1.15 1.50 0.045 0.067
G4.955.200.1950.204
G1 2.40 2.70 0.094 0.106
H 10 10.40 0.393 0.409
L2 16 0.630
L3 28.6 30.6 1.126 1.204
L4 9.80 10.60 0.385 0.417
L5 2.93.6 0.114 0.141
L6 15.90 16.40 0.626 0.645
L7 99.300.354 0.366
Dia3 3.2 0.118 0.126
Min. Typ Max. Min. Typ. Max.
mm. inch
E
A
D
B
L6
Dia
H
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L2
L7
L3
L5
F1
F2
F
G1
G
123
L4
7012510-I
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MD1803DFP Revision history
5 Revision history
Table 5. Document revision history
Date Revision Changes
27-May-2008 1 First release
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MD1803DFP
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