MJE340
MJE350
Complementary silicon power transistors
Features
■
STMicroelectronics preferred salestypes
■
Complementary NPN - PNP devices
Applications
■
Linear and switching industrial equipment
Description
SOT-32
The MJE340 is a silicon planar NPN transistor
intended for use in medium power linear and
switching applications. It is mounted in SOT-32.
The complementary PNP type is MJE350.
Figure 1.
Internal schematic diagram
#
%
"
3#
Table 1.
Device summary
Order code
Marking
Polarity
Package
Packaging
MJE340
MJE340
NPN
SOT-32
Tube
MJE350
MJE350
PNP
SOT-32
Tube
November 2011
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Electrical ratings
1
MJE340, MJE350
Electrical ratings
Table 2.
Absolute maximum ratings
Value
Symbol
Parameter
MJE340 (NPN)
Unit
MJE350 (PNP)
VCBO
Collector-base voltage (IE = 0)
300
V
VCEO
Collector-emitter voltage (IB = 0)
300
V
VEBO
Base-emitter voltage (IC = 0)
3
V
Collector current
0.5
A
PTOT
Total dissipation at Tc ≤ 25 °C
20.8
W
Tstg
Storage temperature
IC
TJ
Note:
°C
Max operating junction temperature
150
for PNP type voltage and current values are negative.
Table 3.
Symbol
RthJC
2/8
-65 to 150
Thermal data
Parameter
Thermal resistance junction-case_max
Doc ID 4171 Rev 6
Value
Unit
6.0
°C/W
MJE340, MJE350
2
Electrical characteristics
Electrical characteristics
Tcase = 25 °C unless otherwise specified.
Table 4.
Symbol
Electrical characteristics
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ICBO
Collector cut-off current
(IE = 0)
VCB= 300 V
100
µA
IEBO
Emitter cut-off current
(IC = 0)
VEB = 3 V
100
µA
VCEO(sus)(1)
VBE(on)
VCE(sat) (1)
hFE
Collector-emitter
I = 1 mA
sustaining voltage (IB = 0) C
300
V
Emitter-base on voltage
(IC = 0)
IC = 50 mA
VCE=10 V
1
V
Collector-emitter
saturation voltage
IC = 100 mA
_ IB = 10 mA
0.5
V
DC current gain
IC = 50 mA
VCE = 10 V
30
240
1. Pulse test: pulse duration = 300 µs, duty cycle ≤ 2 %.
Note:
for PNP type voltage and current values are negative.
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Electrical characteristics
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MJE340, MJE350
Electrical characteristics (curves)
Figure 2.
Safe operating area
Figure 3.
Derating curve
Figure 4.
DC current gain (NPN type)
Figure 5.
DC current gain (PNP type)
Figure 6.
Collector-emitter saturation
voltage (NPN type)
Figure 7.
Base-emitter saturation
voltage (PNP type)
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MJE340, MJE350
3
Package mechanical data
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
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Package mechanical data
Table 5.
MJE340, MJE350
SOT-32 (TO-126) mechanical data
mm.
Dim.
Min.
Typ.
Max.
A
2.40
2.90
B
0.64
0.88
B1
0.39
0.63
D
10.50
11.05
E
7.40
7.80
e
2.04
2.29
2.54
e1
4.07
4.58
5.08
L
15.30
16
ØP
2.90
3.20
Q
Q1
3.80
1
1.52
H2
2.15
I
1.27
Figure 8.
SOT-32 (TO-126) drawing
?2%6?%
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MJE340, MJE350
4
Revision history
Revision history
Table 6.
Document revision history
Date
Revision
Changes
05-Apr-2011
5
Minor text changes
10-Nov-2011
6
Added: VCBO in Table 2, VCE(sat) and VBE(on) in Table 4
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MJE340, MJE350
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