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 BULD39D-1 BULD39DT4
High Voltage Fast-Switching NPN Power Transistor
General features

NPN transistor High voltage capability Minimum lot-to-lot spread for reliable operation Very high switching speed High ruggedness Surface-mounting DPAK (TO-252) power package in tape & reel (suffix "T4") Through-hole IPAK (TO-251) power package in tube (suffix "-1") In compliance with the 2002/93/EC European Directive
1 2 3 1 3
IPAK TO-251 (suffix "-1")
DPAK TO-252 (suffix "T4")
Description
The device in manufactured using high voltage Multi-epitaxial Planar technology to enhance switching speeds while maintaining wide RBSOA. The BUL series is designed for use in electronics transformer for halogen lamps.
Internal schematic diagram
Applications

Electronics transformer for halogen lamps Switch mode power supplies
Order codes
Part Number BULD39D-1 BULD39DT4 Marking Package IPAK DPAK Packing Tube Tape & reel
May 2006
Rev 1
1/12
www.st.com 12
BULD39D-1 - BULD39DT4
Contents
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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Electrical ratings
1
Electrical ratings
Table 1.
Symbol VCES VCEO VEBO IC ICM IB IBM Ptot Tstg TJ
Absolute maximum rating
Parameter Collector-emitter voltage (V BE = 0) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current (tP < 5ms) Base current Base peak current (tP < 5ms) Total dissipation at T c = 25C Storage temperature Max. operating junction temperature Value 850 450 9 4 8 2 4 35 -65 to 150 150 Unit V V V A A A A W C C
Table 2.
Symbol Rthj-case Rthj-amb
Thermal data
Parameter Thermal resistance junction-case Thermal resistance junction-amb __max __max Value 3.57 62.5 Unit C/W C/W
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Electrical characteristics
BULD39D-1 - BULD39DT4
2
Electrical characteristics
(Tcase = 25C unless otherwise specified) Table 3.
Symbol ICES IEBO
Electrical characteristics
Parameter Collector cut-off current (VBE = 0) Emitter cut-off current (IC =0) Collector-emitter sustaining voltage (IB = 0) Collector-emitter saturation voltage Base-emitter saturation voltage DC current gain Maximum collector emitter voltage without snubber Inductive load Storage time Fall time Diode forward voltage Test Conditions VCE = 850V VCE = 850V VEB = 9V Tj = 125C Min. Typ. Max. 100 500 100 Unit A A A
VCEO(sus) VCE(sat) (1)
IC = 100mA L = 25 mH IC = 1A IC = 2.5A IC = 1A IC = 2.5A IC = 10mA IC = 5A IC = 6A VBB= -2.5V tP 10s IC = 2.5A IB(on) = 0.5A VBE(off) = -5V RBB = 0 VCL = 300V L = 1mH IC = 2A IB = 0.2A IB = 0.5A IB = 0.2A IB = 0.5A V CE = 5 V CE = 10V R BB = 0 L = 50H
450 0.13 0.5 1.1 1.1 1.3 10 4
V V V V V
VBE(sat) (1) hFE (1)
VCEW
450
V
ts tf Vf
0.7 50
1.5 100 1.5
s ns V
Note (1) Pulsed duration = 300 s, duty cycle 1.5%
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BULD39D-1 - BULD39DT4
Electrical characteristics
2.1
Electrical characteristics (curves)
Figure 1. Safe operating area Figure 2. Derating curve
Figure 3.
DC current gain
DC current gain
Figure 4.
Collector-emitter saturation voltage
Figure 5.
Base-emitter saturation voltage
5/12
Electrical characteristics Figure 6. Inductive load fall time Figure 7.
BULD39D-1 - BULD39DT4 Inductive load storage time
Figure 8.
Reverse biased SOA
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BULD39D-1 - BULD39DT4
Electrical characteristics
2.2
Test circuits
Figure 9. Inductive load switching test circuit
1) Fast electronic switch 2) Non-inductive resistor 3) Fast recovery rectifier
7/12
Package mechanical data
BULD39D-1 - BULD39DT4
3
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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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BULD39D-1 - BULD39DT4
Package mechanical data
TO-251 (IPAK) MECHANICAL DATA
DIM. A A1 A3 B B2 B3 B5 B6 C C2 D E G H L L1 L2 V1 0.45 0.48 6.00 6.40 4.40 15.90 9.00 0.80 0.80 10o 0.30 0.95 0.60 0.60 6.20 6.60 4.60 16.30 9.40 1.20 1.00 0.018 0.019 0.237 0.252 0.173 0.626 0.354 0.031 0.031 10o mm MIN. 2.20 0.90 0.70 0.64 5.20 TYP. MAX. 2.40 1.10 1.30 0.90 5.40 0.85 0.012 0.037 0.024 0.024 0.244 0.260 0.181 0.642 0.370 0.047 0.039 MIN. 0.087 0.035 0.028 0.025 0.204 inch TYP. MAX. 0.094 0.043 0.051 0.035 0.213 0.033
P032N_E
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Package mechanical data
BULD39D-1 - BULD39DT4
TO-252 (DPAK) MECHANICAL DATA
DIM. MIN. A A1 A2 B B2 C C2 D E G H L2 L4 V2 0.60 0o 2.20 0.90 0.03 0.64 5.20 0.45 0.48 6.00 6.40 4.40 9.35 0.8 1.00 8o 0.024 0o mm TYP. MAX. 2.40 1.10 0.23 0.90 5.40 0.60 0.60 6.20 6.60 4.60 10.10 MIN. 0.087 0.035 0.001 0.025 0.204 0.018 0.019 0.236 0.252 0.173 0.368 0.031 0.039 0o inch TYP. MAX. 0.094 0.043 0.009 0.035 0.213 0.024 0.024 0.244 0.260 0.181 0.398
P032P_B
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BULD39D-1 - BULD39DT4
Revision history
4
Revision history
Table 4.
Date 09-May-2006
Revision history
Revision 1 Initial release. Changes
11/12
BULD39D-1 - BULD39DT4
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