This product complies with the RoHS Directive (EU 2002/95/EC).
Transistors
2SC3935
Silicon NPN epitaxial planar type
For high-frequency amplification/oscillation/mixing
+0.10
–0.05
+0.1
–0.0
0.15
0.3
■ Features
3
• High transition frequency fT
• Small collector output capacitance (Common base, input open cir-
cuited) Cob and reverse transfer capacitance (Common base) Crb
• S-Mini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing
1
2
(0.65) (0.65)
1.3 0.1
2.0 0.2
■ Absolute Maximum Ratings Ta = 25°C
10˚
Parameter
Symbol
Rating
Unit
V
Collector-base voltage (Emitter open) VCBO
Collector-emitter voltage (Base open) VCEO
Emitter-base voltage (Collector open) VEBO
15
10
V
1: Base
2: Emitter
3: Collector
3
50
V
EIAJ: SC-70
SMini3-G1 Package
Collector current
IC
PC
Tj
mA
mW
°C
°C
Collector power dissipation
Junction temperature
Storage temperature
150
Marking Symbol: 1S
150
Tstg
−55 to +150
■ Electrical Characteristics Ta = 25°C 3°C
Parameter
Symbol
VCEO
VEBO
ICBO
Conditions
Min
10
3
Typ
Max
Unit
V
Collector-emitter voltage (Base open)
Emitter-base voltage (Collector open)
Collector-base cutoff current (Emitter open)
Collector-emitter cutoff current (Base open)
Forward current transfer ratio
IC = 2 mA, IB = 0
IE = 10 µA, IC = 0
V
VCB = 10 V, IE = 0
1
µA
µA
ICEO
VCE = 10 V, IB = 0
10
1
*
hFE1
hFE2
VCE = 2.4 V, IC = 7.2 mA
VCE = 2.4 V, IC = 100 µA
hFE2: VCE = 2.4 V, IC = 100 µA
hFE1: VCE = 2.4 V, IC = 7.2 mA
75
75
220
2
*
hFE ratio
∆hFE
0.75
1.60
Collector-emitter saturation voltage
Transition frequency
VCE(sat) IC = 20 mA, IB = 4 mA
0.5
2.5
1.1
V
GHz
pF
fT
VCB = 4 V, IE = −7.2 mA, f = 200 MHz
1.4
1.9
0.9
Collector output capacitance
Cob
VCB = 4 V, IE = 0, f = 1 MHz
(Common base, input open circuited)
Reverse transfer capacitance
(Common base)
Crb
VCB = 4 V, IE = 0, f = 1 MHz
0.25
0.35
pF
Collector-base parameter
rbb' • CC VCB = 4 V, IE = −5 mA, f = 31.9 MHz
11.8
13.5
ps
Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.
2. 1: Rank classification
*
Rank
P
Q
hFE
75 to 130
110 to 220
2: ∆hFE = hFE2 / hFE1
*
Publication date: February 2004
SJC00145CED
1