BD437S Fairchild Semiconductor, BD437S Datasheet - Page 2

• Manufacturer Part Number: BD437S
• Description: TRANSISTOR NPN 45V 4A TO-126
• Manufacturer: Fairchild Semiconductor

Specifications of BD437S

• Transistor Type: NPN
• Current - Collector (ic) (max): 4A
• Voltage - Collector Emitter Breakdown (max): 45V
• Vce Saturation (max) @ Ib, Ic: 600mV @ 200mA, 2A
• Current - Collector Cutoff (max): 100µA
• Dc Current Gain (hfe) (min) @ Ic, Vce: 30 @ 10mA, 5V
• Power - Max: 36W
• Frequency - Transition: 3MHz
• Mounting Type: Through Hole
• Package / Case: TO-126-3
• Transistor Polarity: NPN
• Mounting Style: Through Hole
• Collector- Emitter Voltage Vceo Max: 45 V
• Emitter- Base Voltage Vebo: 5 V
• Maximum Dc Collector Current: 4 A
• Power Dissipation: 36 W
• Maximum Operating Temperature: + 150 C
• Continuous Collector Current: 4 A
• Dc Collector/base Gain Hfe Min: 30
• Maximum Operating Frequency: 3 MHz
• Minimum Operating Temperature: - 65 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2001 Fairchild Semiconductor Corporation
Electrical Characteristics
* Pulse Test: PW=300 s, duty Cycle=1.5% Pulsed
V
I
I
I
h
V
V
f
CBO
CEO
EBO
T
FE
CEO
CE
BE
Symbol
(on)
(sat)
(sus)
* DC Current Gain
* Collector-Emitter Saturation Voltage
* Base-Emitter ON Voltage
Current Gain Bandwidth Product
Collector-Emitter Sustaining Voltage
Collector Cut-off Current
Collector Cut-off Current
Emitter Cut-off Current
Parameter
: BD433/435
: BD437
: ALL DEVICE
: BD433/435
: BD437
T
: BD433
: BD435
: BD437
: BD433
: BD435
: BD437
: BD433
: BD435
: BD437
: BD433
: BD435
: BD437
: BD433
: BD435
: BD437
C
=25 C unless otherwise noted
V
I
V
V
V
V
V
V
V
V
V
I
V
V
C
C
CE
CB
CB
CB
CE
CE
CE
EB
CE
CE
CE
CE
= 100mA, I
= 2A, I
Test Condition
= 5V, I
= 5V, I
= 22V, I
= 32V, I
= 45V, I
= 22V, V
= 32V, V
= 45V, V
= 1V, I
= 1V, I
= 1V, I
= 1V, I
B
C
= 0.2A
C
C
C
C
C
E
E
E
= 10mA
= 0
= 500mA
= 2A
= 2A
= 250mA
BE
BE
BE
B
= 0
= 0
= 0
= 0
= 0
= 0
= 0
Min.
22
32
45
40
30
85
50
40
3
Typ.
130
130
140
0.2
0.2
0.2
Max.
100
100
100
100
100
100
0.5
0.5
0.6
1.1
1.1
1.2
1
Rev. A1, June 2001
Units
MHz
mA
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A