Transistors
1
Publication date: February 2004 SJC00145CED
2SC3935
Silicon NPN epitaxial planar type
For high-frequency amplification/oscillation/mixing
■ Features
• High transition frequency f
T
• Small collector output capacitance (Common base, input open cir-
cuited) C
ob
and reverse transfer capacitance (Common base) C
rb
• S-Mini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing
■ Absolute Maximum Ratings T
a
= 25°C
Parameter Symbol Rating Unit
Collector-base voltage (Emitter open) V
CBO
15 V
Collector-emitter voltage (Base open) V
CEO
10 V
Emitter-base voltage (Collector open) V
EBO
3V
Collector current I
C
50 mA
Collector power dissipation P
C
150 mW
Junction temperature T
j
150 °C
Storage temperature T
stg
−55 to +150 °C
Parameter Symbol Conditions Min Typ Max Unit
Collector-emitter voltage (Base open) V
CEO
I
C
= 2 mA, I
B
= 010V
Emitter-base voltage (Collector open) V
EBO
I
E
= 10 µA, I
C
= 03V
Collector-base cutoff current (Emitter open)
I
CBO
V
CB
= 10 V, I
E
= 01µA
Collector-emitter cutoff current (Base open)
I
CEO
V
CE
= 10 V, I
B
= 010µA
Forward current transfer ratio h
FE1
*
1
V
CE
= 2.4 V, I
C
= 7.2 mA 75 220
h
FE2
V
CE
= 2.4 V, I
C
= 100 µA75
h
FE
ratio ∆h
FE
*
2
h
FE2
: V
CE
= 2.4 V, I
C
= 100 µA 0.75 1.60
h
FE1
: V
CE
= 2.4 V, I
C
= 7.2 mA
Collector-emitter saturation voltage V
CE(sat)
I
C
= 20 mA, I
B
= 4 mA 0.5 V
Transition frequency f
T
V
CB
= 4 V, I
E
= −7.2 mA, f = 200 MHz 1.4 1.9 2.5 GHz
Collector output capacitance C
ob
V
CB
= 4 V, I
E
= 0, f = 1 MHz 0.9 1.1 pF
(Common base, input open circuited)
Reverse transfer capacitance C
rb
V
CB
= 4 V, I
E
= 0, f = 1 MHz 0.25 0.35 pF
(Common base)
Collector-base parameter r
bb
' • C
C
V
CB
= 4 V, I
E
= −5 mA, f = 31.9 MHz 11.8 13.5 ps
■ Electrical Characteristics T
a
= 25°C ± 3°C
Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.
2.
*
1: Rank classification
Rank P Q
h
FE
75 to 130 110 to 220
2.1±0.1
1.3±0.1
0.3
+0.1
–0.0
2.0±0.2
1.25±0.10 (0.425)
1
3
2
(0.65)
(0.65)
0.2±0.1
0.9±0.10 to 0.1
0.9
+0.2
–0.1
0.15
+0.10
–0.05
5˚
10˚
1: Base
2: Emitter
3: Collector
EIAJ: SC-70
SMini3-G1 Package
Marking Symbol: 1S
*
2: ∆h
FE
= h
FE2
/ h
FE1
This product complies with the RoHS Directive (EU 2002/95/EC).
