KST42 Fairchild Semiconductor, KST42 Datasheet - Page 3

• Manufacturer Part Number: KST42
• Description: TRANSISTOR, NPN, SOT-23
• Manufacturer: Fairchild Semiconductor

Specifications of KST42

• Transistor Polarity: NPN
• Collector Emitter Voltage V(br)ceo: 300V
• Power Dissipation Pd: 350mW
• Dc Collector Current: 500mA
• Transistor Case Style: SOT-23
• No. Of Pins: 3
• Svhc: No SVHC (15-Dec-2010)
• Collector: RoHS Compliant
• Dc Current Gain Hfe: 40
• Rohs Compliant: Yes

©2002 Fairchild Semiconductor Corporation
Typical Characteristics
1000
100
100
10
10
Figure 3. Collector-Base Capacitance
1
0.1
1
Figure 1. DC current Gain
V
V
CE
CB
= 10V
I
C
[V], COLLECTOR-BASE VOLTAGE
[mA], COLLECTOR CURRENT
1
10
10
I
f = 1MHz
E
= 0
100
100
Figure 2. Collector-Emitter Saturation Voltage
Figure 4. Current Gain Bandwidth Product
0.01
0.1
10
120
100
1
80
60
40
20
0
1
1
Base-Emitter Saturation Voltage
V
CE
V
= 20V
CE
I
V
(sat)
C
I
BE
[mA], COLLECTOR CURRENT
C
(sat)
[mA], COLLECTOR CURRENT
10
10
100
I
C
= 10 I
Rev. A2, November 2002
100
B