Page 1
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 1
Specifications subject to change without notice. 6/01A
Hyperabrupt Junction Tuning Varactor
Features
■ High Tuning Ratio
■ Low Series Resistance
■ SOD-323 Package
■ Designed for High Volume, Low Cost
Applications
■ Available in Tape and Reel Packaging
SMV1135 Series
Description
The SMV1135-011 is a surface mount varactor diode in the
SOD-323 plastic package. It is designed for very high
capacitance tuning ratio while having low series resistance,
which makes this device especially attractive for wideband
VCO applications.
Characteristic Value
Forward Current (IF) 20 mA
Power Dissipation (PD) 250 mW
Storage Temperature (TST) -55°C to +150°C
Operating Temperature (TOP) -55°C to +125°C
Absolute Maximum Ratings
Parameter Condition Min. Typ. Max. Unit
Reverse Current (IR)V
R
= 21 V 20.00 nA
Capacitance (CT)C
T
@ 1 V, VR= 1 V, F = 1 MHz 8.20 10.00 pF
Capacitance Ratio (CTR)C
T
(1 V)/CT(3 V) 1.47 1.76
Capacitance Ratio (CTR)C
T
(1 V)/CT(9 V) 3.70 4.50
Series Resistance (RS)V
R
= 1 V, F = 500 MHz 1.20 Ω
Breakdown V oltage (VBR)I
R
= 10 µA 28.00 V
Electrical Specifications at 25°C
Single Common Cathode
SOD-323 SOT-23
SMV1135-011 SMV1135-004
查询SMV1135供应商
Page 2
Hyperabrupt Junction Tuning Varactor SMV1135 Series
2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 6/01A
Series Resistance vs. Voltage
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
0 5 10 15 20
Voltage (V)
R
S
(Ω)
Varactor Voltage (V)
Capacitance vs. Voltage
Capacitance (pF)
0
2
4
8
6
10
12
0 5 10 15 20
Relative Capacitance Change
vs. Temperature
Temperature (˚C)
Percentage Change (%)
-10
-5
0
5
10
-40 -20 0 20 40 60 80
3 V
20 V
Relative Series Resistance
Change vs. Temperature
Temperature (˚C)
Percentage Change (%)
-10
-5
0
5
10
-40 -20 0 20 40 60 80
Typical Performance Data
VR(V) CT(pF)
0.5 10.34
1.0 8.69
2.5 5.98
3.0 5.38
6.0 3.11
10.0 1.92
20.0 1.17
Capacitance vs. Voltage
Page 3
Hyperabrupt Junction Tuning Varactor SMV1135 Series
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 3
Specifications subject to change without notice. 6/01A
0.090 (2.30 mm) MIN.
0.108 (2.74 mm) MAX.
0.045 (1.15 mm) MIN.
0.053 (1.35 mm) MAX.
0.050
(1.25 mm) MAX.
0.006
(0.15 mm) TYP.
0.008 (0.20 mm) NOM.
0.004 (0.10 mm) MAX.
0.010 (0.25 mm) MIN.
0.010
(0.25 mm) MIN.
0.016
(0.40 mm) MAX.
0.063 (1.60 mm) MIN.
0.071 (1.80 mm) MAX.
CATHODE
INDICATOR
21
SOD-323
3
2
1
0.035 (0.89 mm) MIN.
0.044 (1.12 mm) MAX.
0.0005 (0.01 mm) MIN.
0.004 (0.10 mm) MAX.
0.012 (0.30 mm) MIN.
0.020 (0.50 mm) MAX.
0.003 (0.080 mm) MIN.
0.008 (0.20 mm) MAX.
8˚ MAX.
0.022 (0.55 mm) REF.
0.110 (2.80 mm) MIN.
0.120 (3.04 mm) MAX.
0.083 (2.10 mm) MIN.
0.104 (2.64 mm) MAX.
0.037 (0.95 mm) REF.
0.047 (1.20 mm) MIN.
0.055 (1.40 mm) MAX.
0.076 (1.92 mm) REF.
0.020 (0.51 mm) REF.
SOT-23
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
RES
R
S
R = R
S
IND
L
S
L = L
S
CAP
C
P
C = C
P
PORT
P_anode
port = 1
PORT
P_Cathode
port = 2
DIODEM
Diode_Model
I
S
= 1.00e-14
R
S
= 0
N = 1
T
T
= 0
C
JO
= C
JO
M = M
V
J
= V
J
EG = 1.11
X
TI
= 3
K
F
=0
A
F
=1
F
C
= 0.5
B
V
= 0
I
BV
= 1e-3
I
SR
= 0
N
R
= 2
I
KF
= 0
N
BV
= 1
I
BVL
= 0
N
BVL
= 1
T
BV1
= 0
T
NOM
= 27
F
FE
= 1
SPICE Model
Part C
J0
V
J
M
C
P
R
S
L
S
Number (pF) (V) (pF) (
ΩΩ))
(nH)
SMV1135-011 10.3 8.6 2.9 0.8 1.2 1.5
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