BUJ303AX
NPN power transistor
9 October 2018
Product data sheet
1. General description
High voltage, high speed, planar passivated NPN power switching transistor in a SOT186A
(TO220F) "full pack" plastic package.
2. Features and benefits
•
•
•
•
Fast switching
Isolated package
Very high voltage capability
Very low switching and conduction losses
3. Applications
•
•
•
•
DC-to-DC converters
High frequency electronic lighting ballasts
Inverters
Motor control systems
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
ICM
peak collector current
Fig. 1; Fig. 2; Fig. 3
-
-
10
A
Ptot
total power dissipation
Th ≤ 25 °C; Fig. 4
-
-
32
W
VCESM
collector-emitter peak
voltage
VBE = 0 V
-
-
1000
V
IC = 5 mA; VCE = 5 V; Th = 25 °C;
Fig. 11
10
22
35
IC = 500 mA; VCE = 5 V; Th = 25 °C;
Fig. 11
14
25
35
Static characteristics
hFE
DC current gain
BUJ303AX
WeEn Semiconductors
NPN power transistor
5. Pinning information
Table 2. Pinning information
Pin
Symbol Description
Simplified outline
1
B
base
2
C
collector
3
E
emitter
mb
n.c.
mounting base; isolated
Graphic symbol
C
mb
B
E
sym123
1 2 3
TO-220F (SOT186A)
6. Ordering information
Table 3. Ordering information
Type number
BUJ303AX
BUJ303AX
Product data sheet
Package
Name
Description
Version
TO-220F
plastic single-ended package; isolated heatsink mounted; 1
mounting hole; 3-lead TO-220 "full pack"
SOT186A
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BUJ303AX
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NPN power transistor
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VCESM
collector-emitter peak
voltage
VBE = 0 V
-
1000
V
VCEO
collector-emitter voltage
IB = 0 A
-
500
V
IC
collector current
Fig. 1; Fig. 2; Fig. 3
-
5
A
ICM
peak collector current
-
10
A
IB
base current
-
2
A
IBM
peak base current
-
4
A
Ptot
total power dissipation
-
32
W
Tstg
storage temperature
-65
150
°C
Tj
junction temperature
-
150
°C
DC
Th ≤ 25 °C; Fig. 4
VCC
LC
IBon
VBB
LB
003aag028
12
VCL(CE)
probe point
IC
(A)
8
DUT
001aab999
VCL(CE) ≤ 1000 V; VCC = 150 V; VBB = - 5 V;
LB = 1 µH; LC = 200 µH
4
Fig. 1. Test circuit for reverse bias safe operating area
0
0
400
800
1200
VCEclamp (V)
Tj ≤ Tj(max) °C
Fig. 2. Reverse bias safe operating area
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
003aag029
102
IC
(A)
duty cycle = 0.01
10
ICMmax
ICmax
II(3)
tp = 10 µs
(1)
100 µs
1
(2)
1 ms
I(3)
10-1
10 ms
DC
10-2
III(3)
1
102
10
103
VCEclamp (V)
(1) Ptot maximum and Ptot peak maximum lines.
(2) Second breakdown limits.
(3) I = Region of permissible DC operation.
II = Extension for repetitive pulse operation.
III = Extension during turn-on in single transistor converters provided that RBE ≤ 100 Ω and tp ≤ 0.6 μs.
Fig. 3. Forward bias safe operating area for Tmb ≤ 25 °C
03aa13
120
Pder
(%)
80
40
0
0
50
100
150
Th (°C)
200
Fig. 4. Normalized total power dissipation as a function of heatsink temperature
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
8. Thermal characteristics
Table 5. Thermal characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Rth(j-h)
thermal resistance
from junction to
heatsink
with heatsink compound; Fig. 5
-
-
3.95
K/W
Rth(j-a)
thermal resistance
from junction to
ambient free air
in free air
-
55
-
K/W
003aag067
10
Zth(j-h)
(K/W)
δ = 0.5
1
0.2
0.1
0.05
10-1
10-2
0.02
Ptot
0
δ=
tp
10-3
10-6
10-5
10-4
10-3
10-2
10-1
1
tp
T
t
T
10
tp (s)
102
Fig. 5. Transient thermal impedance from junction to heatsink as a function of pulse duration
9. Isolation characteristics
Table 6. Isolation characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Visol(RMS)
RMS isolation voltage
50 Hz ≤ f ≤ 60 Hz; RH ≤ 65 %;
Th = 25 °C; from all terminals to
external heatsink; clean and dust free
-
-
2500
V
Cisol
isolation capacitance
from collector to external heatsink;
f = 1 MHz; Th = 25 °C
-
10
-
pF
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
10. Characteristics
Table 7. Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
collector-emitter cut-off VBE = 0 V; VCE = 1000 V; Measured
current (base shorted) with half-sine wave voltage (curve
tracer)
-
-
1
mA
-
-
2
mA
ICBO
collector-base cut-off
current (emitter open)
VCB = 1000 V; IE = 0 A; Th = 25 °C;
Measured with half-sine wave voltage
(curve tracer)
-
-
1
mA
ICEO
collector-emitter cut-off VCE = 500 V; IB = 0 A; Th = 25 °C;
current (base open)
Measured with half-sine wave voltage
(curve tracer)
-
-
0.1
mA
IEBO
emitter-base cut-off
VEB = 9 V; IC = 0 A; Th = 25 °C
current (collector open)
-
-
0.1
mA
VCEOsus
collector-emitter
sustaining voltage
(base open)
IB = 0 A; IC = 100 mA; LC = 25 mH;
Th = 25 °C; Fig. 6; Fig. 7
500
-
-
V
VCEsat
collector-emitter
saturation voltage
IC = 3 A; IB = 0.6 A; Th = 25 °C; Fig. 8;
Fig. 9
-
0.35
1.5
V
VBEsat
base-emitter saturation IC = 3 A; IB = 0.6 A; Th = 25 °C; Fig. 10
voltage
-
1.01
1.3
V
hFE
DC current gain
IC = 5 mA; VCE = 5 V; Th = 25 °C;
Fig. 11
10
22
35
IC = 500 mA; VCE = 5 V; Th = 25 °C;
Fig. 11
14
25
35
IC = 2.5 A; VCE = 5 V; Th = 25 °C;
Fig. 11
10
13.5
17
IC = 3 A; VCE = 5 V; Th = 25 °C; Fig. 11
-
11
-
-
3.3
4
µs
-
0.33
0.45
µs
IC = 2.5 A; IBon = 0.5 A; VBB = -5 V;
LB = 1 µH; Th = 25 °C; Fig. 14; Fig. 15
-
1.4
1.6
µs
IC = 2.5 A; IBon = 0.5 A; VBB = -5 V;
LB = 1 µH; Th = 100 °C; Fig. 14; Fig. 15
-
1.7
1.9
µs
IC = 2.5 A; IBon = 0.5 A; VBB = -5 V;
LB = 1 µH; Th = 25 °C; Fig. 14; Fig. 15
-
145
160
ns
IC = 2.5 A; IBon = 0.5 A; VBB = -5 V;
LB = 1 µH; Th = 100 °C; Fig. 14; Fig. 15
-
160
200
ns
Static characteristics
ICES
hFEsat
DC saturation current
gain
Dynamic characteristics (switching times - resistive load)
ts
turn-off delay time
tf
fall time
IC = 2.5 A; IBon = 0.5 A; IBoff = -0.5 A;
RL = 75 Ω; Th = 25 °C; Fig. 12; Fig. 13
Dynamic characteristics (switching times - inductive load)
ts
tr
turn-off delay time
rise time
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
IC
(mA)
50 V
100 Ω to 200 Ω
horizontal
oscilloscope
250
vertical
6V
300 Ω
1Ω
100
30 Hz to 60 Hz
001aab987
10
0
Fig. 6. Test circuit for collector-emitter sustaining
voltage
min
VCE (V)
VCEOsus
001aab988
Fig. 7. Oscilloscope display for collector-emitter
sustaining voltage test waveform
003aag032
003aag031
2.0
VCEsat
(V)
1.6
0.5
VCEsat
(V)
IC = 1 A
2A 3A
4A
0.4
1.2
0.3
0.8
0.2
0.4
0.1
0
10-1
1
IC (A)
0
10-2
10
Fig. 8. Collector-emitter saturation voltage as a function
of collector current; typical values
Product data sheet
1
Tj = 25 °C
IC / IB = 4
BUJ303AX
10-1
IB (A)
10
Fig. 9. Collector-emitter saturation voltage as a function
of base current; typical values
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BUJ303AX
WeEn Semiconductors
NPN power transistor
003aag033
1.4
VBEsat
(V)
1.2
003aag034
102
hFE
VCE = 5 V
1.0
0.8
10
0.6
0.4
1V
0.2
0
10-1
1
IC (A)
1
10-2
10
Fig. 10. Base-emitter saturation voltage as a function of
collector current; typical values
10
IC (A)
Fig. 11. DC current gain as a function of collector
current; typical values
IC
VCC
ICon
90 %
90 %
RL
RB
1
Tj = 25 °C
IC / IB = 4
VIM
0
10-1
DUT
10 %
tp
T
001aab989
IB
ts
ton
t
toff
IBon
VIM= - 6 to + 8 V; VCC = 250 V; tp = 20 us; δ = tp/T = 0.01
RB and RL calculated from ICon and IBon requirements.
tf
10 %
t
Fig. 12. Test circuit for resistive load switching
tr ≤ 30 ns
- IBoff
001aab990
Fig. 13. Switching times waveforms for resistive load
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
VCC
IC
ICon
90 %
LC
IBon
VBB
LB
DUT
001aab991
10 %
VCC = 300 V; VBB = - 5 V; LC = 200 μH; LB = 1 μH
IB
Fig. 14. Test circuit for inductive load switching
tf
ts
toff
t
IBon
t
- IBoff
001aab992
Fig. 15. Switching times waveforms for inductive load
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
11. Package outline
Fig. 16. Package outline TO-220F (SOT186A)
BUJ303AX
Product data sheet
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BUJ303AX
WeEn Semiconductors
NPN power transistor
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Data sheet status
Document
status [1][2]
Product
status [3]
Objective
[short] data
sheet
Development This document contains data from
the objective specification for product
development.
Preliminary
[short] data
sheet
Qualification
This document contains data from the
preliminary specification.
Product
[short] data
sheet
Production
This document contains the product
specification.
[1]
[2]
[3]
Definition
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Applications — Applications that are described herein for any of these
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no representation or warranty that such applications will be suitable for the
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Please consult the most recently issued document before initiating or
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The term 'short data sheet' is explained in section "Definitions".
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BUJ303AX
Product data sheet
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and products using WeEn Semiconductors products, and WeEn
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Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
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BUJ303AX
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NPN power transistor
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Trademarks
Notice: All referenced brands, product names, service names and
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BUJ303AX
WeEn Semiconductors
NPN power transistor
13. Contents
1. General description......................................................1
2. Features and benefits.................................................. 1
3. Applications.................................................................. 1
4. Quick reference data....................................................1
5. Pinning information......................................................2
6. Ordering information....................................................2
7. Limiting values............................................................. 3
8. Thermal characteristics............................................... 5
9. Isolation characteristics...............................................5
10. Characteristics............................................................ 6
11. Package outline........................................................ 10
12. Legal information..................................................... 11
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Date of release: 9 October 2018
BUJ303AX
Product data sheet
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