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BUL98
High voltage fast-switching NPN power transistor
General features

High voltage capability Minimum lot-to-lot spread for reliable operation Low base drive requirements Very high switching speed Fully characterized at 125 C In compliance with the 2002/93/EC European Directive
1 2 3
TO-220
Applications

Electronic transformers for halogen lamps Switch mode power supply
Internal schematic diagram
Description
The device is manufactured using high voltage Multi-Epitaxial Planar technology for costeffective high performance. It uses a Hollow Emitter structure to enhance switching speeds. The device is designed for use in lighting applications and low cost switch-mode power supplies.
Order code
Part Number BUL98 Marking BUL98 Package TO-220 Packing Tube
November 2006
Rev 2
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www.st.com 10
BUL98
Contents
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
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Electrical ratings
1
Electrical ratings
Table 1.
Symbol VCES VCEO VEBO IC ICM IB IBM Ptot Tstg TJ
Absolute maximum ratings
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 800 450 9 12 25 6 12 110 -65 to 150 150 Unit V V V A A A A W C C
Table 2.
Symbol Rthj-case
Thermal data
Parameter Thermal resistance junction-case __max Value 1.14 Unit C/W
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Electrical characteristics
BUL98
2
Electrical characteristics
(Tcase = 25C unless otherwise specified) Table 3.
Symbol ICES ICEO
Electrical characteristics
Parameter Collector cut-off current (VBE =0) Collector-emitter current (IB =0) Test Conditions VCE = 800V VCE = 800V VCE = 450V L = 25mH 450 9 _ _ IB =1A _ _ IB =1.8A __ _ IB =2.4A _ _ IB =1A _ _ IB =1.8A __ _ IB =2.4A V CE =5V V CE =5V IC =9A IB1 =1.8A RBB(off) =0 IC =9A IB1 =1.8A RBB(off) =0 (see figure 8) 1.5 80 s ns 1.1 55 1.8 100 s ns 10 15 35 0.15 0.3 0.5 0.95 1 1.1 0.5 0.8 1.5 1.2 1.3 1.4 Tj = 125C Min. Typ. Max. 100 500 100 Unit A A A V V V V V V V V
Collector-emitter VCEO(sus)(1) sustaining voltage (I = 0) IC =10mA B VEBO VCE(sat) (1) Emitter-base voltage (IC = 0) Collector-emitter saturation voltage IE =10mA IC =5A IC =9A IC =12A IC =5A IC =9A IC =12A IC =10mA IC =5A VCL =350V VBE(off) =-5V L =200H (see figure 8) VCL =350V VBE(off) =-5V L =200H Tj = 100C
VBE(sat)
(1)
Base-emitter saturation voltage
hFE (1)
DC current gain
ts tf
Inductive load Storage time Fall time
ts tf
Inductive load Storage time Fall time
Note (1) Pulsed duration = 300 s, duty cycle 1.5%
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Electrical characteristics
2.1
Electrical characteristics (curves)
Figure 1. Safe operating area Figure 2. Derating curve
Figure 3.
Collector-emitter saturation voltage
Figure 4.
Base-emitter saturation voltage
Figure 5.
DC current gain
Figure 6.
DC current gain
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Electrical characteristics Figure 7. Reverse biased safe operating area
BUL98
2.2
Test circuits
Figure 8. Inductive load switching test circuit
1) Fast electronic switch 2) Non-inductive resistor 3) Fast recovery rectifier
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Package mechanical data
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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Package mechanical data
BUL98
TO-220 MECHANICAL DATA
DIM. A b b1 c D E e e1 F H1 J1 L L1 L20 L30 mm. MIN. 4.40 0.61 1.15 0.49 15.25 10 2.40 4.95 1.23 6.20 2.40 13 3.50 16.40 28.90 3.75 2.65 3.85 2.95 0.147 0.104 TYP MAX. 4.60 0.88 1.70 0.70 15.75 10.40 2.70 5.15 1.32 6.60 2.72 14 3.93 MIN. 0.173 0.024 0.045 0.019 0.60 0.393 0.094 0.194 0.048 0.244 0.094 0.511 0.137 0.645 1.137 0.151 0.116 inch TYP. MAX. 0.181 0.034 0.066 0.027 0.620 0.409 0.106 0.202 0.052 0.256 0.107 0.551 0.154
oP
Q
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Revision history
4
Revision history
Table 4.
Date 30-Jun-2005 07-Nov-2006
Revision history
Revision 1 2 First release. The document has been reformatted Changes
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