© Semiconductor Components Industries, LLC, 2011
October, 2011 Rev. 14
1Publication Order Number:
BUX85/D
BUX85G
SWITCHMODE NPN Silicon
Power Transistors
The BUX85G is designed for high voltage, high speed power
switching applications like converters, inverters, switching regulators,
motor control systems.
Features
VCEO(sus) 450 V
VCES(sus) 1000 V
Fall time = 0.3 ms (typ) at IC = 1.0 A
VCE(sat) = 1.0 V (max) at IC = 1.0 A, IB = 0.2 A
These Devices are PbFree and are RoHS Compliant*
MAXIMUM RATINGS
Rating Symbol Value Unit
CollectorEmitter Voltage VCEO(sus) 450 Vdc
CollectorEmitter Voltage VCES 1000 Vdc
EmitterBase Voltage VEBO 5 Vdc
Collector Current Continuous
Peak (Note 1)
IC
ICM
2
3.0
Adc
Base Current Continuous
Peak (Note 1)
IB
IBM
0.75
1.0
Adc
Reverse Base Current Peak IBM 1 Adc
Total Device Dissipation @ TC = 25_C
Derate above 25°C
PD50
400
W
W/_C
Operating and Storage Junction
Temperature Range
TJ, Tstg 65 to +150 _C
THERMAL CHARACTERISTICS
Characteristics Symbol Max Unit
Thermal Resistance, JunctiontoCase RqJC 2.5 _C/W
Thermal Resistance, JunctiontoAmbient RqJA 62.5 _C/W
Maximum Lead Temperature for Soldering
Purposes 1/8 from Case for 5 Seconds
TL275 _C
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. Pulse Test: Pulse Width = 5 ms, Duty Cycle x 10%.
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
2.0 AMPERES
POWER TRANSISTOR
NPN SILICON
450 VOLTS, 50 WATTS
TO220AB
CASE 221A09
STYLE 1
1
http://onsemi.com
MARKING DIAGRAM
23
BUX85G
AY WW
BUX85 = Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = PbFree Package
Device Package Shipping
ORDERING INFORMATION
BUX85G TO220
(PbFree)
50 Units / Rail
BUX85G
http://onsemi.com
2
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ELECTRICAL CHARACTERISTICS (TC = 25_C unless otherwise noted)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
Characteristic
ÎÎÎÎ
ÎÎÎÎ
Symbol
ÎÎÎÎ
ÎÎÎÎ
Min
ÎÎÎ
ÎÎÎ
Typ
ÎÎÎÎ
ÎÎÎÎ
Max
ÎÎÎ
ÎÎÎ
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
OFF CHARACTERISTICS (Note 2)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
CollectorEmitter Sustaining Voltage
(IC = 100 mAdc, (L = 25 mH) See Figure 1
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
VCEO(sus)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
450
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
Vdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
Collector Cutoff Current
(VCES = Rated Value)
(VCES = Rated Value, TC = 125_C)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ICES
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
0.2
1.5
ÎÎÎ
ÎÎÎ
ÎÎÎ
mAdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
Emitter Cutoff Current
(VEB = 5 Vdc, IC = 0)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
IEBO
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
1
ÎÎÎ
ÎÎÎ
ÎÎÎ
mAdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ON CHARACTERISTICS (Note 2)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
DC Current Gain
(IC = 0.1 Adc, VCE = 5 V)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
hFE
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
30
ÎÎÎ
ÎÎÎ
ÎÎÎ
50
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
CollectorEmitter Saturation Voltage
(IC = 0.3 Adc, IB = 30 mAdc)
(IC = 1 Adc, IB = 200 mAdc)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
VCE(sat)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
0.8
1
ÎÎÎ
ÎÎÎ
ÎÎÎ
Vdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
BaseEmitter Saturation Voltage
(IC = 1 Adc, IB = 0.2 Adc)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
VBE(sat)
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
1.1
ÎÎÎ
ÎÎÎ
ÎÎÎ
Vdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
DYNAMIC CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
CurrentGain Bandwidth Product
(IC = 500 mAdc, VCE = 1 0 Vdc, f = 1 MHz)
ÎÎÎÎ
ÎÎÎÎ
fT
ÎÎÎÎ
ÎÎÎÎ
4
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
MHz
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
SWITCHING CHARACTERISTICS
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
Turnon Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
VCC = 250 Vdc, IC = 1 A
IB1 = 0.2 A, IB2 = 0.4 A
See Figure 2
ÎÎÎÎ
ÎÎÎÎ
ton
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
0.3
ÎÎÎÎ
ÎÎÎÎ
0.5
ÎÎÎ
ÎÎÎ
ms
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
Storage Time
ÎÎÎÎ
ÎÎÎÎ
ts
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
2
ÎÎÎÎ
ÎÎÎÎ
3.5
ÎÎÎ
ÎÎÎ
ms
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
Fall Time
ÎÎÎÎ
ÎÎÎÎ
tf
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
0.3
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ms
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
Fall Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
Same above cond. at TC = 95_C
ÎÎÎÎ
ÎÎÎÎ
tf
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
1.4
ÎÎÎ
ÎÎÎ
ms
2. Pulse Test: PW = 300 ms, Duty Cycle x2%.
BUX85G
http://onsemi.com
3
Figure 1. Test Circuit for VCEOsust
Figure 2. Switching Times/Test Circuit
30-60 Hz
~4 V +
L
+6 V
100 W1 W
VERT
HOR
OSCILLOSCOPE
250
250
100
IC
(mA)
0
MIN VCEOsust
VCEO (V)
90
10
90
10
0
IB %
IC %
WAVEFORM
IBon
t
t
IBoff
ICon
ton
ts
tf
tr 30 ns
+25 V
T
VIM
tm
VI100 W
30
W
50
W
BD140
100 W
200 W
680 mF
250 W
100 mFVCC
250 V
680 mF
T.U.T.
BD139
BUX85G
http://onsemi.com
4
PACKAGE DIMENSIONS
TO220
CASE 221A09
ISSUE AG
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.570 0.620 14.48 15.75
B0.380 0.405 9.66 10.28
C0.160 0.190 4.07 4.82
D0.025 0.036 0.64 0.91
F0.142 0.161 3.61 4.09
G0.095 0.105 2.42 2.66
H0.110 0.161 2.80 4.10
J0.014 0.025 0.36 0.64
K0.500 0.562 12.70 14.27
L0.045 0.060 1.15 1.52
N0.190 0.210 4.83 5.33
Q0.100 0.120 2.54 3.04
R0.080 0.110 2.04 2.79
S0.045 0.055 1.15 1.39
T0.235 0.255 5.97 6.47
U0.000 0.050 0.00 1.27
V0.045 --- 1.15 ---
Z--- 0.080 --- 2.04
B
Q
H
Z
L
V
G
N
A
K
F
123
4
D
SEATING
PLANE
T
C
S
T
U
R
J
STYLE 1:
PIN 1. BASE
2. COLLECTOR
3. EMITTER
4. COLLECTOR
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
N. American Technical Support: 8002829855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81358171050
BUX85/D
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 3036752175 or 8003443860 Toll Free USA/Canada
Fax: 3036752176 or 8003443867 Toll Free USA/Canada
Email: orderlit@onsemi.com
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative