Rev.2.00 Aug 10, 2005 page 1 of 6
2SC1906
Silicon NPN Epitaxial Planar REJ03G0693-0200
(Previous ADE-208-1058)
Rev.2.00
Aug.10.2005
Application
• VHF amplifier
• Mixer, Local oscillator
Outline
1. Emitter
2. Collecto
r
3. Base
RENESAS Package code: PRSS0003DA-C
(Package name: TO-92 (2))
3
21
Absolute Maximum Ratings
(Ta = 25°C)
Item Symbol Ratings Unit
Collector to base voltage VCBO 30 V
Collector to emitter voltage VCEO 19 V
Emitter to base voltage VEBO 2 V
Collector current IC 50 mA
Emitter current IE –50 mA
Collector power dissipation PC 300 mW
Junction temperature Tj 150 °C
Storage temperature Tstg –55 to +150 °C
2SC1906
Rev.2.00 Aug 10, 2005 page 2 of 6
Electrical Characteristics
(Ta = 25°C)
Item Symbol Min Typ Max Unit Test conditions
Collector to base breakdown voltage V(BR)CBO 30 — — V IC = 10 µA, IE = 0
Collector to emitter breakdo wn voltage V(BR)CEO 19 — — V IC = 3 mA, RBE = ∞
Emitter to base breakdown voltage V(BR)EBO 2 — — V IE = 10 µA, IC = 0
Collector cutoff current ICBO — — 0.5 µA VCB = 10 V, IE = 0
DC current transfer ratio hFE 40 — — VCE = 10 V, IC = 10 mA
Gain bandwidth product fT 600 1000 — MHz VCE = 10 V, IC = 10 mA
Collector output capacitanc e Cob — 1.0 2.0 pF VCB = 10 V, IE = 0, f = 1 MHz
Collector to emitter saturation voltage VCE(sat) — 0.2 1.0 V IC = 20 mA, IB = 4 mA
Base time constant rbb’ • CC — 10 25 ps
VCB = 10 V, IC = 10 mA,
f = 31.8 MHz
Power gain PG — 33 — dB VCE = 10 V,
IC = 5 mA f = 45 MHz
— 18 — dB
VCE = 10 V,
IC = 5 mA f = 200 MHz
2SC1906
Rev.2.00 Aug 10, 2005 page 3 of 6
Main Characteristics
0
100
200
300
50
Ambient Temperature Ta (°C)
Collector Power Dissipation PC (mW)
Maximum Collector Dissipation Curve
100 150 0
4
12
8
20
16
84
Collector to Emitter Voltage VCE (V)
Collector Current IC (mA)
Typical Output Characteristics
12 16 20
40
I
B
= 20 µA
P
C
= 300 mW
80
60
100
120
140
160
180
0
4
12
8
20
16
0.40.2
Base to Emitter Voltage VBE (V)
Collector Current IC (mA)
Typical Transfer Characteristics
0.6 0.8 1.0
V
CE
= 10 V
0
20
60
40
120
100
80
250.5 1.00.1 0.2
Collector Current IC (mA)
DC Current Transfer Ratio hFE
DC Current Transfer Ratio vs.
Collector Current
10 20 50 100
V
CE
= 10 V
0
4
12
8
20
16
84
Collector to Emitter Voltage VCE (V)
Collector Current IC (mA)
Gain Bandwidth Product Curve
12 16 20
f
T
= 1,000 MHz
500
600
900
800
700
200
0
600
400
1,200
1,000
800
31.00.1 0.3
Collector Current IC (mA)
Gain Bandwidth Product fT (MHz)
Gain Bandwidth Product vs.
Collector Current
10 30 100
V
CE
= 10 V
f = 100 MHz
2SC1906
Rev.2.00 Aug 10, 2005 page 4 of 6
2
5
20
50
10
200
100
0.1 0.2 0.5 1.0
Collector Current IC (mA)
Base time Constant rbb'•CC (ps)
Base Time Constant vs.
Collector Currnt
2510
V
CB
= 10 V
f = 31.8 MHz
0
2
4
8
6
12
10
4682
Input Conductance gie (mS)
Input Suceptance bie (mS)
Input Admittance vs. Frequency
10 12
y
ie
= g
ie
+jb
ie
V
CE
= 9 V
f = 25 MHz
I
C
= 1 mA
2 mA 4 mA 8 mA 12 mA
50
100
200
250
0
1
2
4
3
6
5
0.4 0.6 0.80.2
Output Conductance goe (mS)
Output Suceptance boe (mS)
Output Admittance vs. Frequency
1.0 1.2
y
oe
= g
oe
+jb
oe
V
CE
= 9 V
f = 25 MHz
I
C
= 1 mA
50
100
200
250
12
8
4
2
–1.6
–1.2
–0.8
–0.4
–2.0
0
Reverse Transfer Conductance gre (mS)
Reverse Transfer Suceptance bre (mS)
Reverse Transfer Admittance vs.
Frequency
–0.02–0.04–0.06–0.08–0.10 0
y
re
= g
re
+jb
re
V
CE
= 9 V
f = 25 MHz
I
C
= 21 mA
50
100
200
250
8421
–100
–40
0
–20
–120
20
Forward Transfer Conductance gfe (mS)
Forward Transfer Suceptance bfe (mS)
Forward Transfer Admittance vs.
Frequency
100 120 140806020 400
y
fe
= g
fe
+jb
fe
V
CE
= 9 V
f =
25 MHz
I
C
= 1 mA
25
12
50
80
100
150
2
4
8
200
–60
–80
10
11
12
14
13
17
16
15
0.1 0.20
Injection Voltage Vinj (V)
Conversion Gain CG (dB)
Conversion Gain vs. Local Oscillating
Injection Voltage
0.3
V
CB
= 9 V
I
E
= 3.5 mA
f
s
= 200 MHz
f
osc
= 245 MHz
f
IF
= 45 MHz
Emitter Inject
2SC1906
Rev.2.00 Aug 10, 2005 page 5 of 6
4
6
8
12
10
18
16
14
0 –1–2–3–4–5–6–7
Emitter Current IE (mA)
Conversion Gain CG (dB)
Conversion Gain vs. Emitter Current
VCB = 9 V
Vinj = 150 mV
fs = 200 MHz
fosc = 245 MHz
fIF = 45 MHz
Emitter Inject
2SC1906
Rev.2.00 Aug 10, 2005 page 6 of 6
Package Dimensions
0.60 Max
0.5 Max
4.8 ± 0.3 3.8 ± 0.3
5.0 ± 0.2
0.7
2.3 Max
12.7 Min
0.5 Max
1.27
2.54
Package Name
PRSS0003DA-C TO-92(2) / TO-92(2)V
MASS[Typ.]
0.25gSC-43A
RENESAS CodeJEITA Package Code
Unit: mm
Ordering Information
Part Name Quantity Shipping Container
2SC1906TZ-E 2500 Hold Box, Radial Taping
Note: For some grades, production may be terminated. Please contact the Renesas sales office to check the state of
production before ordering the product.
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