ALPHA SMV1283-011

Hyperabrupt Junction Tuning Varactor
SMV1283-011
Features
■ High Tuning Ratio
■ SOD-323 Package
■ Designed for High Volume, Low Cost
Applications
■ Available in Tape and Reel Packaging
Description
The SMV1283-011 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.
Absolute Maximum Ratings
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
Electrical Specifications at 25°C
Parameter
Condition
Min.
Typ.
Max.
Unit
20.00
nA
Reverse Current (IR)
VR = 26 V
Capacitance (CT)
CT @ 1 V, VR = 1 V, F = 1 MHz
8.5
9.10
9.70
pF
Capacitance (CT)
CT @ 26 V, VR = 26 V, F = 1 MHz
0.5
0.62
0.75
pF
Capacitance Ratio (CTR)
CT (1 V)/CT (26 V)
14.70
Series Resistance (RS)
VR = 1 V, F = 500 MHz
2.40
Breakdown Voltage (VBR)
IR = 10 µA
28.0
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 6/99A
Ω
V
1
Hyperabrupt Junction Tuning Varactor
SMV1283-011
Typical Performance Data
Capacitance vs. Voltage
Capacitance (pF)
100.0
VR (V)
CT (pF)
0
18.8820
1
8.7000
2
6.1400
3
4.3300
4
2.9500
5
2.0400
6
1.5680
7
1.3250
8
1.1880
10.0
1.0
0.1
0
5
10
15
20
25
30
9
1.0870
Varactor Voltage (V)
10
1.0123
Capacitance vs. Voltage
12
0.9040
14
0.8295
16
0.7720
18
0.7280
20
0.6880
22
0.6580
24
0.6230
26
0.6160
28
0.6060
30
0.6040
SOD-323
0.090 (2.30 mm) MIN.
0.108 (2.74 mm) MAX.
0.045 (1.15 mm) MIN.
0.053 (1.35 mm) MAX. 1
0.010
(0.25 mm) MIN.
0.016
(0.40 mm) MAX.
2
CATHODE
INDICATOR
0.063 (1.60 mm) MIN.
0.071 (1.80 mm) MAX.
0.008 (0.20 mm) NOM.
0.006
(0.15 mm) TYP.
0.050
(1.25 mm) MAX.
SPICE Model
PORT
P_anode
port = 1
0.004 (0.10 mm) MAX.
IND
LS
L = LS
0.010 (0.25 mm) MIN.
RES
RS
R = RS
CAP
CP
C = CP
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
PORT
P_Cathode
port = 2
2
DIODEM
Diode_Model
IS = 1.00e-14
RS = 0
N=1
TT = 0
CJO = CJO
M=M
EG = 1.11
XTI = 3
KF =0
AF =1
FC = 0.5
BV = 0
IBV = 1e-3
ISR = 0
NR = 2
IKF = 0
NBV = 1
IBVL = 0
NBVL = 1
TBV1 = 0
TNOM = 27
FFE = 1
Part
Number
CJ0
(pF)
VJ
(V)
M
CP
(pF)
RS
Ω)
(Ω
LS
(nH)
SMV1283-011
19
3
2.6
0.58
2.4
1.7
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 6/99A