Document
isc Silicon NPN RF Transistor
INCHANGE Semiconductor
2SC3544
DESCRIPTION ·Low Base Time Constant;
rbb’ • CC = 5 ps TYP. ·High Gain Bandwidth Product
fT= 2 GHz TYP. @ IE= 5mA, VCE= 10V ·Low Feedback Capacitance;
Cre = 0.55 pF TYP. ·100% avalanche tested ·Minimum Lot-to-Lot variations for robust device
performance and reliable operation
APPLICATIONS ·Designed for use as UHF oscillator and mixer in a tuner
of a TV receiver.
ABSOLUTE MAXIMUM RATINGS(Ta=25℃)
SYMBOL
PARAMETER
VALUE
UNIT
VCBO Collector-Base Voltage
30
V
VCEO Collector-Emitter Voltage
15
V
VEBO
Emitter-Base Voltage
3
V
IC
Collector Current-Continuous
PC
Collector Power Dissipation @TC=25℃
TJ
Junction Temperature
50
mA
0.25
W
125
℃
Tstg
Storage Temperature Range
-55~125
℃
isc website:www.iscsemi.cn
1 isc & iscsemi is registered trademark
isc Silicon NPN RF Transistor
INCHANGE Semiconductor
2SC3544
ELECTRICAL CHARACTERISTICS
TC=25℃ unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
MIN TYP. MAX UNIT
VCE(sat) Collector-Emitter Saturation Voltage IC= 10mA ; IB= 1mA
ICBO
Collector Cutoff Current
VCB= 12V; IE= 0
0.5
V
0.1 μA
hFE
DC Current Gain
IC= 5mA ; VCE= 10V
50
250
fT
Current-Gain—Bandwidth Product
IE= -5mA ; VCE= 10V
1.3 2.0
GHz
Cre
Feedback Capacitance
IE= 0 ; VCB= 10V;f= 1.0MHz
0.55 1.0 pF
rbb’ • CC Base Time Constant
VCE= 10V,IE = -5mA,f = 31.9 MHz
5
15
ps
hFE Classifications
Marking
M
L
K
hFE
50-100 70-140 120-250
NOTICE: ISC reserves the rights to make changes of the content herein the datasheet at any time without notification. The information contained herein is presented only as a guide for the applications of our products. ISC products are intended for usage in general electronic equipment. The products are not designed for use in equipment which require specialized quality and/or reliability, or in equipment which could have applications in hazardous environments, aerospace industry, or medical field. Please contact us if you intend our products to be used in these special applications. ISC makes no warranty or guarantee regarding the suitability of its products for any particular purpose, nor does ISC assume any liability arising from the application or use of any products, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
isc website:www.iscsemi.cn
2 isc & iscsemi is registered trademark
.