Rx
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May 2008 Rev 1 1/10
10
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 hFE range at operating collector current
■Fully insulated power package UL compliant
■Integrated free wheeling diode
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.
Figure 1. Internal schematic diagram
TO-220FP
12
3
RBE=60Ω typ.
Table 1. Device summary
Order code Marking Package Packing
MD1803DFP MD1803DFP TO-220FP Tube
www.st.com
E]
Electrical ratings MD1803DFP
2/10
1 Electrical ratings
Table 2. Absolute maximum rating
Symbol Parameter Value Unit
VCES Collector-emitter voltage (VBE = 0) 1500 V
VCEO Collector-emitter voltage (IB = 0) 700 V
VEBO Emitter-base voltage (IC = 0) 10 V
ICCollector current 10 A
ICM Collector peak current (tP < 5ms) 15 A
IBBase current 5 A
PTOT Total dissipation at Tc = 25°C 40 W
Visol
Insulation withstand voltage (rms) from all three leads to
external heatsink 1500 V
Tstg Storage temperature -65 to 150 °C
TJMax. operating junction temperature 150 °C
Table 3. Thermal data
Symbol Parameter Value Unit
Rthj-case Thermal resistance junction-case ___________ ____max 3.125 °C/W
MD1803DFP Electrical characteristics
3/10
2 Electrical characteristics
(TCASE = 25°C; unless otherwise specified)
Table 4. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
ICES
Collector cut-off current
(VBE = 0)
VCE = 1500 V
VCE = 1500 V Tc= 125 °C
0.2
2
mA
mA
IEBO
Emitter cut-off current
(IC = 0) VEB = 5 V 40 120 mA
V(BR)EBO
Emitter-base breakdown voltage
(IC = 0) IE = 700 mA 10 V
VCE(sat)(1) Collector-emitter saturation
voltage IC = 5 A IB = 1.25 A 2 V
VBE(sat)(1) Base-emitter saturation voltage IC = 5 A IB = 1.25 A 1.2 V
hFE(1) DC current gain
IC = 1 A VCE = 5 V
IC = 5 A VCE = 1 V
IC = 5 A VCE = 5 V 5.5
18
5
7.5
VFDiode forward voltage IF= 5 A 1.6 V
ts
tf
Inductive load
Storage time
Fall time
IC = 4 A__ _ _ fh = 16 KHz
IB(on) = 0.6 A__ VBE(off) = - 2.7V
LBB(off) = 4.5 µH
2.5
0.3
3
0.6
µs
µs
1. Pulsed duration = 300 ms, duty cycle ≤ 1.5%.
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Electrical characteristics MD1803DFP
4/10
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
5/10
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
Signa‘ ganamlnr
15v
7 vmum nsmm
Test circuit MD1803DFP
6/10
3 Test circuit
Figure 12. Power losses and inductive load switching test circuit
Figure 13. Reverse biased safe operating area test circuit
: www.5Lcom
MD1803DFP Package mechanical data
7/10
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
Package mechanical data MD1803DFP
8/10
Dim. mm. inch
Min. Typ Max. Min. Typ. Max.
A 4.40 4.60 0.1730.181
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
L328.6 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 0.1180.126
TO-220FP mechanical data
L2
A
B
D
E
H
G
L6
F
L3
G1
123
F2
F1
L7
L4
L5
7012510-I
Dia
MD1803DFP Revision history
9/10
5 Revision history
Table 5. Document revision history
Date Revision Changes
27-May-2008 1 First release
MD1803DFP
10/10
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