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Multicomp |
BD437
Medium Power Transistors
General Purpose TO-126
Features:
• NPN Plastic Medium Power Silicon Transistors.
• Intended for use in Medium Power Linear Switching Applications.
TO-126 Plastic Package
Dimensions
A
B
C
D
E
F
G
L
M
N
P
S
Minimum
Maximum
7.4 7.8
10.5 10.8
2.4 2.7
0.7 0.9
2.25 (Typical)
0.49 0.75
4.5 (Typical)
15.7 (Typical)
1.27 (Typical)
3.75 (Typical)
3.0 3.2
2.5 (Typical)
Dimensions : Millimetres
Pin Configuration:
1. Emitter
2. Collector
3. Base
Page 1
09/05/08 V1.1
BD437
Medium Power Transistors
Absolute Maximum Ratings
Description
Collector-Base Voltage
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Collector Peak Current (t = 10ms)
Base Current
Symbol
VCBO
VCES
VCEO
VEBO
IC
ICM
IB
BD437
45
5.0
4.0
7.0
1.0
Device Dissipation at TC = 25°C
Ptot 36
Operating and Storage Junction
Temperature Range
Tj, Tstg
-65 to +150
Thermal Resistance
Junction to Case
Junction to Ambient
Rth (j-c)
Rth (j-a)
3.5
100
Electrical Characteristics (Ta = 25°C unless specified otherwise)
Description
Symbol
Test Condition
BD437
Collector-Cut off Current
ICBO
ICES
IE = 0, VCB = Rated VCBO
VBE = 0, VCE = Rated VCES
Emitter-Cut off Current
Collector-Emitter Sustaining Voltage
IEBO
VCEO (sus)*
VEB = 5V, IC = 0
IC = 100mA, IB = 0
Collector Emitter Saturation Voltage
Base Emitter On Voltage
VCE (sat)*
VBE (on)*
IC = 2A, IB = 0.2A
IC = 10mA, VCE = 5V
IC = 2A, VCE = 1V
DC Current Gain
hFE*
hFE1* / hFE2*
Matched Pair
IC = 10mA, VCE = 5V
IC = 500mA, VCE = 1V
IC = 2A, VCE = 1V
IC = 500mA, VCE = 1V
Transition Frequency
ft VCE = 1V, IC = 250mA
*Pulse Test : Pulse Duration = 300µs, Duty Cycle = 1.5%.
<100
<1.0
>45
<0.6
0.58 (Typical)
<1.2
>30
>85
>40
<1.4
>3.0
Unit
V
A
W
°C
°C/W
Unit
µA
mA
V
-
MHz
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09/05/08 V1.1
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