Hyperabrupt Junction Tuning Varactor
SMV1135 Series Features
s High Tuning Ratio s Low Series Resistance s SOD-323 Package s Designed for High Volume, Low Cost Applications s Available in Tape and Reel Packaging
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.
Absolute Maximum Ratings
Characteristic Forward Current (IF) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP) Value 20 mA 250 mW -55°C to +150°C -55°C to +125°C
Single SOD-323 SMV1135-011
Common Cathode SOT-23 SMV1135-004
Electrical Specifications at 25°C
Parameter Reverse Current (IR) Capacitance (CT) Capacitance Ratio (CTR) Capacitance Ratio (CTR) Series Resistance (RS) Breakdown Voltage (VBR) VR = 21 V CT @ 1 V, VR = 1 V, F = 1 MHz CT (1 V)/CT (3 V) CT (1 V)/CT (9 V) VR = 1 V, F = 500 MHz IR = 10 µA 28.00 8.20 1.47 3.70 Condition Min. Typ. Max. 20.00 10.00 1.76 4.50 1.20 Ω V Unit nA pF
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
1
Hyperabrupt Junction Tuning Varactor
SMV1135 Series
Typical Performance Data
12 10 8 6 4 2 0 0 5 10 15 20
Capacitance vs. Voltage
VR (V) 0.5 1.0 2.5 3.0 6.0 10.0 20.0 CT (pF) 10.34 8.69 5.98 5.38 3.11 1.92 1.17
Capacitance (pF)
1.4 1.3 1.2
Varactor Voltage (V)
Capacitance vs. Voltage
RS (Ω)
1.1 1.0 0.9 0.8
Percentage Change (%)
10
5
0.7 0.6 0 3V 5 10 15 20
0
Voltage (V)
-5 20 V -10 -40 -20 0 20 40 60 80
Series Resistance vs. Voltage
Temperature (˚C)
Relative Capacitance Change vs. Temperature
Percentage Change (%)
10
5
0
-5
-10 -40
-20
0
20
40
60
80
Temperature (˚C)
Relative Series Resistance Change vs. Temperature
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
Hyperabrupt Junction Tuning Varactor
SMV1135 Series
SOD-323
0.090 (2.30 mm) MIN. 0.108 (2.74 mm) MAX. 0.010 (0.25 mm) MIN. 0.016 (0.40 mm) MAX. 0.063 (1.60 mm) MIN. 0.071 (1.80 mm) MAX.
SPICE Model
PORT P_anode port = 1 IND LS L = LS DIODEM Diode_Model IS = 1.00e-14 RS = 0 N=1 TT = 0 CJO = CJO M=M VJ = VJ 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
0.045 (1.15 mm) MIN. 0.053 (1.35 mm) MAX. 1
2
CATHODE INDICATOR
0.008 (0.20 mm) NOM. 0.006 (0.15 mm) TYP. 0.050 (1.25 mm) MAX.
RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear
CAP CP C = CP
0.004 (0.10 mm) MAX. 0.010 (0.25 mm) MIN.
SOT-23
0.110 (2.80 mm) MIN. 0.120 (3.04 mm) MAX.
3
PORT P_Cathode port = 2 0.012 (0.30 mm) MIN. 0.020 (0.50 mm) MAX. 0.047 (1.20 mm) MIN. 0.055 (1.40 mm) MAX.
1 2
Part Number SMV1135-011
CJ0 (pF) 10.3
VJ (V) 8.6
M 2.9
CP (pF) 0.8
RS (Ω) 1.2
LS (nH) 1.5
0.083 (2.10 mm) MIN. 0.104 (2.64 mm) MAX.
0.037 (0.95 mm) REF. 0.020 (0.51 mm) REF. 0.076 (1.92 mm) REF. 0.003 (0.080 mm) MIN. 0.008 (0.20 mm) MAX. 8˚ MAX. 0.035 (0.89 mm) MIN. 0.044 (1.12 mm) MAX.
0.022 (0.55 mm) REF.
0.0005 (0.01 mm) MIN. 0.004 (0.10 mm) MAX.
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
3
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