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 BD745, BD745A, BD745B, BD745C NPN SILICON POWER TRANSISTORS

Designed for Complementary Use with the BD746 Series 115 W at 25C Case Temperature 20 A Continuous Collector Current 25 A Peak Collector Current Customer-Specified Selections Available
C B
SOT-93 PACKAGE (TOP VIEW) 1
2
E
3 Pin 2 is in electrical contact with the mounting base.
MDTRAAA
absolute maximum ratings at 25C case temperature (unless otherwise noted)
RATING BD745 Collector-base voltage (IE = 0) BD745A BD745B BD745C BD745 Collector-emitter voltage (IB = 0) BD745A BD745B BD745C Emitter-base voltage Continuous collector current Peak collector current (see Note 1) Continuous base current Continuous device dissipation at (or below) 25C case temperature (see Note 2) Continuous device dissipation at (or below) 25C free air temperature (see Note 3) Unclamped inductive load energy (see Note 4) Operating free air temperature range Operating junction temperature range Storage temperature range Lead temperature 3.2 mm from case for 10 seconds NOTES: 1. 2. 3. 4. VEBO IC ICM IB Ptot Ptot 1/2LIC2 TA Tj Tstg TL VCEO V CBO SYMBOL VALUE 50 70 90 110 45 60 80 100 5 20 25 7 115 3.5 90 -65 to +150 -65 to +150 -65 to +150 260 V A A A W W mJ C C C C V V UNIT
This value applies for tp 0.3 ms, duty cycle 10%. Derate linearly to 150C case temperature at the rate of 0.92 W/C. Derate linearly to 150C free air temperature at the rate of 28 mW/C. This rating is based on the capability of the transistor to operate safely in a circuit of: L = 20 mH, IB(on) = 0.4 A, RBE = 100 , VBE(off) = 0, RS = 0.1 , VCC = 20 V.
AUGUST 1978 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice.
NOITAMROFNI
TCUDORP
1
BD745, BD745A, BD745B, BD745C NPN SILICON POWER TRANSISTORS
electrical characteristics at 25C case temperature (unless otherwise noted)
PARAMETER Collector-emitter breakdown voltage TEST CONDITIONS BD745 V(BR)CEO IC = 30 mA IB = 0 (see Note 5) BD745A BD745B BD745C VCE = 50 V VCE = 70 V VCE = 90 V ICBO Collector cut-off current VCE = 110 V VCE = 50 V VCE = 70 V VCE = 90 V VCE = 110 V ICEO IEBO Collector cut-off current Emitter cut-off current Forward current transfer ratio Collector-emitter saturation voltage Base-emitter voltage Small signal forward current transfer ratio Small signal forward current transfer ratio VCE = 30 V VCE = 60 V VEB = VCE = VCE = VCE = IB = IB = VCE = VCE = 5V 4V 4V 4V 0.5 A 5A 4V 4V VBE = 0 VBE = 0 VBE = 0 VBE = 0 VBE = 0 VBE = 0 VBE = 0 VBE = 0 IB = 0 IB = 0 IC = 0 IC = 1 A IC = 5 A IC = 20 A IC = 5 A IC = 20 A IC = 5 A IC = 20 A IC = 1 A IC = 1 A (see Notes 5 and 6) (see Notes 5 and 6) f = 1 kHz f = 1 MHz 25 5 (see Notes 5 and 6) 40 20 5 1 3 1 3 V V 150 TC = 125C TC = 125C TC = 125C TC = 125C BD745 BD745A BD745B BD745C BD745 BD745A BD745B BD745C BD745/745A BD745B/745C MIN 45 60 80 100 0.1 0.1 0.1 0.1 5 5 5 5 0.1 0.1 0.5 mA mA mA V TYP MAX UNIT
hFE
VCE(sat) VBE hfe
VCE = 10 V VCE = 10 V
|hfe |
NOTES: 5. These parameters must be measured using pulse techniques, tp = 300 s, duty cycle 2%. 6. These parameters must be measured using voltage-sensing contacts, separate from the current carrying contacts.
thermal characteristics
PARAMETER RJC RJA Junction to case thermal resistance Junction to free air thermal resistance MIN TYP MAX 1.1 35.7 UNIT C/W C/W
resistive-load-switching characteristics at 25C case temperature
PARAMETER td tr ts tf
TEST CONDITIONS IC = 5 A VBE(off) = -4.2 V IB(on) = 0.5 A RL = 6
MIN IB(off) = -0.5 A tp = 20 s, dc 2%
TYP 20 350 500 400
MAX
UNIT ns ns ns ns
Delay time Rise time Storage time Fall time
Voltage and current values shown are nominal; exact values vary slightly with transistor parameters.
2
AUGUST 1978 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice.
NOITAMROFNI
TCUDORP
BD745, BD745A, BD745B, BD745C NPN SILICON POWER TRANSISTORS
TYPICAL CHARACTERISTICS
TYPICAL DC CURRENT GAIN vs COLLECTOR CURRENT
100
TCS635AE
COLLECTOR-EMITTER SATURATION VOLTAGE vs COLLECTOR CURRENT
VCE(sat) - Collector-Emitter Saturation Voltage - V 10 IC = 10 IB tp = 300s, duty cycle < 2%
TCS635AF
TC = 125C TC = 25C TC = -55C hFE - DC Current Gain
1*0
0*1
VCE = 4 V tp = 300 s, duty cycle < 2% 10 0*1 1*0 10 100 IC - Collector Current - A
TC = -55C TC = 25C TC = 125C 0*01 0*1 1*0 10 100
IC - Collector Current - A
Figure 1.
Figure 2.
MAXIMUM SAFE OPERATING REGIONS
MAXIMUM FORWARD-BIAS SAFE OPERATING AREA
100
SAS635AC
IC - Collector Current - A
10
tp = 1 ms, d = 0.1 = 10% tp = 10 ms, d = 0.1 = 10% tp = 50 ms, d = 0.1 = 10% DC Operation
1*0
0*1 BD745 BD745A BD745B BD745C 0*01 1*0 10 100 1000
VCE - Collector-Emitter Voltage - V
Figure 3.
AUGUST 1978 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice.
NOITAMROFNI
TCUDORP
3
BD745, BD745A, BD745B, BD745C NPN SILICON POWER TRANSISTORS
THERMAL INFORMATION
MAXIMUM POWER DISSIPATION vs CASE TEMPERATURE
120 Ptot - Maximum Power Dissipation - W
TIS635AB
100
80
60
40
20
0 0 25 50 75 100 125 150 TC - Case Temperature - C
Figure 4.
4
AUGUST 1978 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice.
NOITAMROFNI
TCUDORP
BD745, BD745A, BD745B, BD745C NPN SILICON POWER TRANSISTORS
MECHANICAL DATA SOT-93 3-pin plastic flange-mount package
This single-in-line package consists of a circuit mounted on a lead frame and encapsulated within a plastic compound. The compound will withstand soldering temperature with no deformation, and circuit performance characteristics will remain stable when operated in high humidity conditions. Leads require no additional cleaning or processing when used in soldered assembly.
SOT-93 4,90 4,70 o 4,1 4,0 15,2 14,7 1,37 1,17
3,95 4,15
16,2 MAX. 12,2 MAX.
31,0 TYP.
18,0 TYP.
1 1,30 1,10
2
3 0,78 0,50 11,1 10,8 2,50 TYP.
ALL LINEAR DIMENSIONS IN MILLIMETERS NOTE A: The centre pin is in electrical contact with the mounting tab. MDXXAW
AUGUST 1978 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice.
NOITAMROFNI
TCUDORP
5


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