START540TR STMicroelectronics, START540TR Datasheet - Page 6
START540TR
Manufacturer Part Number
START540TR
Description
RF Bipolar Small Signal NPN High Frequency
Manufacturer
STMicroelectronics
Datasheet
1.START540TR.pdf
(10 pages)
Specifications of START540TR
Dc Collector/base Gain Hfe Min
100
Mounting Style
SMD/SMT
Configuration
Single
Transistor Polarity
NPN
Collector- Emitter Voltage Vceo Max
4.5 V
Emitter- Base Voltage Vebo
1.5 V
Continuous Collector Current
0.04 A
Power Dissipation
180 mW
Maximum Operating Temperature
+ 150 C
Package / Case
SOT-323-4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Figure 7: Input Return Loss vs. Frequency
Figure 8: Output Return Loss vs. Frequency
Figure 9: Isolation vs. Frequency
6/10
AN1465 - APPLICATION NOTE
-10
-12
-14
-16
-18
-20
-2
-4
-6
-8
0
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
1700
-20
-25
-30
-35
-40
-45
-50
1700
1700
1800
1800
1800
f (Mhz)
f (Mhz)
f (MHZ)
1900
1900
1900
2000
2000
2000