Transys
Electronics
L I M I T E D
EPITAXIAL SILICON POWER TRANSISTORS
BD433
BD435
BD437
BD439
BD441
NPN
BD434
BD436
BD438
BD440
BD442
PNP
EC
B
TO126
Plastic Package
Intended for use in Medium Power Linear and Switching Applications
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
SYMBOL
Collector Base Voltage
Collector Emitter Voltage
Collector Emitter Voltage
Emitter Base Voltage
Collector Current
Base Current
Total Dissipation @ T
C=
25ºC
Total Dissipation @ T
a=
25ºC
Derate above 25ºC
Operating and Storage
Junction Temperature Range
THERMAL RESISTANCE
Junction to Case
Junction to Ambient in free air
R
th (j-c)
R
th (j-a)
3.5
100
ºC/W
ºC/W
V
CBO
V
CES
V
CEO
V
EBO
I
C
I
B
P
D
P
D
BD433
BD434
22
22
22
BD435
BD436
32
32
32
BD437
BD438
45
45
45
5.0
4.0
7.0
1.0
36.0
1.25
10
- 65 to 150
BD439
BD440
60
60
60
BD441
BD442
80
80
80
UNIT
V
V
V
V
A
A
A
W
W
mW/ ºC
ºC
Collector Peak Current (t=10ms_
I
CM
T
j
, T
stg
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise)
TEST CONDITION
DESCRIPTION
SYMBOL
BD433 BD435 BD437 BD439 BD441
BD434 BD436 BD438 BD440 BD442
V
CB
=Rated V
CBO,
I
E
=0
I
CBO
Collector Cut off Current
<100 <100 <100
<100
<100
Collector Cut off Current
Emitter Cut off Current
Collector Emitter Sustaining
Voltage
Collector Emitter Saturation
Voltage
Base Emitter On Voltage
I
CES
I
EBO
*V
CEO (sus)
*V
CE (sat)
V
BE
=0, V
CE
=Rated V
CES
V
EB
=5V
,
I
C
=0
I
C
=100mA, I
B
=0
I
C
=2.0A, I
B
=0.2A
<100
<1.0
>22
<0.5
<100
<1.0
>32
<0.5
<100
<1.0
>45
<0.6
typ 0.58
<1.1
<1.1
<1.2
<1.5
<1.5
<100
<1.0
>60
<0.8
<100
<1.0
>80
<0.8
UNIT
µA
µA
mA
V
V
V
V
*V
BE (on)
I
C
=10mA, V
CE
=5V
ALL
I
C
=2.0A, V
CE
=1V
EPITAXIAL SILICON POWER TRANSISTORS
BD433
BD435
BD437
BD439
BD441
NPN
BD434
BD436
BD438
BD440
BD442
PNP
EC
B
TO126
Plastic Package
ELECTRICAL CHARACTERISTICS (T
C
=25ºC unless specified otherwise)
TEST CONDITION
DESCRIPTION
SYMBOL
BD433 BD435 BD437 BD439 BD441
BD434 BD436 BD438 BD440 BD442
I
C
=10mA, V
CE
=5V
*h
FE
>40
>40
>30
>20
>15
DC Current Gain
I
C
=500mA, V
CE
=1V
>85
>85
>85
>40
>40
I
C
=2.0A, V
CE
=1V
>50
>50
>40
>25
>15
*h
FE1
/ h
FE2
Current Gain Bandwidth
Product
Matched I =500mA, V =1V
ALL
C
CE
Pairs
I
C
=250mA, V
CE
=1V
ALL
f
T
<1.4
>3.0
UNIT
MHz
*Pulsed Pulse Duration=300µs, Duty Cycle=1.5%
µ
BD433
BD435
BD437
BD439
BD441
NPN
BD434
BD436
BD438
BD440
BD442
PNP
TO126
Plastic Package
TO-126 (SOT-32) Plastic Package
A
N
P
B
C
DIM
A
B
C
D
E
MIN
7.4
10.5
2.4
0.7
0.49
MAX
7.8
10.8
2.7
0.9
0.75
2.25 TYP.
4.5 TYP.
15.7 TYP.
1.27 TYP.
3.75 TYP.
3.0
3.2
1
2
3
S
F
G
1
2
3
L
L
Pin Configuration
1. Emitter
2. Collector
3. Base
M
N
P
D
F
G
M
E
2.5 TYP.
S
All dimensions in mm.
TO-126 TUBE PACKING
±0.50
532.00
±0.10
ø5.90 THRU (2 NOS)
MARKING SIDE
+0
-1.00
390.00
±0.05
ø3.10 THRU (2 NOS)
0.65
71.00
3.70
MARKING SIDE
A
R 0.50
12.00
AMMO PACK SIZE
±0.20
33.00
1.30
1.00
1.20
92.0
Label
5 38
.0 0
10.0
1.0
A
SECTION AA
75.0
20 Tubes/Ammo Pack
1000 Pcs./Ammo Pack
3.0
3.5
1.2
3.0
PRINTING AREA
±0.1
ø5.50
3.0
3CP 66382 ANTISTATICz
6.0 2
9.0
4
20.0
7.0
03
3 7.0 3.5 7.0
PVC
6.0
ARROW
GENERAL TOLERANCE
0 mm 0.01 mm 30.01 mm 120.01 mm ABOVE
5 mm 30 mm
3.0
±0.1
±0.2
120 mm
±0.3
315 mm
±0.5
315 mm
±0.8
ANGULAR
+0
-0.1
3.0
6.5
11.0
+0
-0.1
1.0
3.0
3.35
MATL:- PVC BLACK WITH
ANTISTATIC DIPPING
END PIN (2 PCS/TUBE)
1.0
±0' 30"
DIN SYMBOL
All dimensions in mm
Notes:
1. All print in black.
2. All text in Helvetia medium font.
Packing Detail
PACKAGE
Details
TO-126 Bulk
TO-126 Tube
STANDARD PACK
Net Weight/
Qty
Size
3" x 7.5" x 7.5"
3" x 3.7" x 21.5"
500 pcs/
polybag 340 gm/
500 pcs
50 pcs/
tube
73 gm/ pcs
50
INNER CARTON BOX
Qty
2K
1K
Size
17" x 15" x 13.5"
19" x 19" x 19"
OUTER CARTON BOX
Qty
32K
10K
Gr Wt
31 kgs
15 kgs
+0
-0.1
3.3
±0.10
11.95
+0.1
R2.5
-0
7.6
Talking
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