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 STF724 STN724
NPN medium power transistors
Features

Surface mounting devices in medium power SOT-223 and SOT-89 packages Available in tape and reel packaging
2
Applications

Voltage regulation Relay driver Generic switch
1
SOT-223
2
3
SOT-89
Description
The STF724 and STN724 are NPN transistors manufactured using Planar technology resulting in rugged high performance devices.
Figure 1.
Internal schematic diagram
Table 1.
Device summary
Marking 724 N724 Package SOT-89 Tape & reel SOT-223 Packaging
Order code STF724 STN724
April 2008
Rev 4
1/11
www.st.com 11
STF724 - STN724
Contents
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) ........................... 5
3 4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2/11
STF724 - STN724
1
Electrical ratings
Table 2.
Symbol
Absolute maximum rating
Parameter STF724 Value STN724 60 30 5 3 6 1 2 1.4 -65 to 150 150 1.6 V V V A A A A W C C Unit
VCBO VCEO VEBO IC ICM IB IBM Ptot Tstg TJ
Collector-base voltage (IE = 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 Tamb = 25C Storage temperature Max. operating junction temperature
Table 3.
Symbol
Thermal data
Parameter SOT-89 Value SOT-223 78 C/W Unit
Rthj-amb
1.
Thermal resistance junction-ambient (1) _max
89
Device mounted on PCB area of 1 cm 2.
3/11
Electrical characteristics
STF724 - STN724
2
Electrical characteristics
(Tcase = 25C unless otherwise specified) Table 4.
Symbol ICES ICEO IEBO V(BR)CBO
Electrical characteristics
Parameter Collector cut-off current (VBE = 0) Collector cut-off current (IB = 0) Emitter cut-off current (IC = 0) Collector-base breakdown voltage (IE = 0) Test conditions VCE = 60 V VCE = 30 V VEB = 5 V IC = 100 A 60 Min. Typ. Max. Unit 10 A
100
A
10
A
V
V(BR)CEO(1) Collector-emitter I = 10 mA breakdown voltage (IB = 0) C V(BR)EBO Emitter-base breakdown voltage (IC = 0) IE = 100 A IB = 50 mA IB = 100 mA IB = 15 0mA IB = 100 mA VCE = 2 V VCE = 2 V VCE = 2 V IC = 0.1 A
30
V
5 0.4 0.7 1.1 1.2 100 80 30 100 300
V V V V V
VCE(sat)
(1)
IC = 1 A Collector-emitter saturation IC = 2 A voltage IC = 3 A Base-emitter saturation voltage IC = 2 A IC = 100 mA
VBE(sat) (1)
hFE
DC current gain
IC = 1 A IC = 3 A
fT
Transition frequency
VCE = 10 V
MHz
1. Pulsed duration = 300 s, duty cycle 1.5 %
4/11
STF724 - STN724
2.1
Electrical characteristics (curves)
Figure 2. DC Current Gain Figure 3. DC Current Gain
Figure 4.
Collector-emitter saturation voltage
Figure 5.
Base-emitter saturation voltage
Figure 6.
Switching times on resistive load
Figure 7.
Switching times on resistive load
5/11
Electrical characteristics
STF724 - STN724
Figure 8.
Reverse biased safe operating area
6/11
STF724 - STN724
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
7/11
Package mechanical data
STF724 - STN724
SOT-223 mechanical data
mm. DIM. min. A A1 B B1 c D e e1 E H V 3.30 6.70 0.02 0.60 2.90 0.24 6.30 0.70 3.00 0.26 6.50 2.30 4.60 3.50 7.00 3.70 7.30 10 o typ max. 1.80 0.1 0.85 3.15 0.35 6.70
0046067_L
8/11
STF724 - STN724
SOT-89 MECHANICAL DATA
mm MIN. A B B1 C C1 D D1 E e e1 H L 1.4 0.44 0.36 0.35 0.35 4.4 1.62 2.29 1.42 2.92 3.94 0.89 TYP. MAX. 1.6 0.56 0.48 0.44 0.44 4.6 1.83 2.6 1.57 3.07 4.25 1.2 MIN. 55.1 17.3 14.2 13.8 13.8 173.2 63.8 90.2 55.9 115.0 155.1 35.0 mils TYP. MAX. 63.0 22.0 18.9 17.3 17.3 181.1 72.0 102.4 61.8 120.9 167.3 47.2
DIM.
P025H
9/11
Revision history
STF724 - STN724
4
Revision history
Table 5.
Date 29-Mar-2005 12-Oct-2005 17-Jul-2006 04-Apr-2008
Document revision history
Revision 1 2 3 4 Initial release. Added new graphics New template SOT-223 mechanical data updated. Changes
10/11
STF724 - STN724
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11/11


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