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SMV2021-000 [ALPHA]

Silicon Hyperabrupt Varactor Diode Chips; 硅超突变变容二极管芯片
SMV2021-000
型号： SMV2021-000
厂家： ALPHA INDUSTRIES    ALPHA INDUSTRIES
描述：

Silicon Hyperabrupt Varactor Diode Chips
硅超突变变容二极管芯片

二极管 变容二极管
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Silicon Hyperabrupt Varactor Diode Chips  
SMV2019 to SMV2023  
Features  
I High Q for Low Loss Resonators  
I Low Leakage Current  
I High Tuning Ratio for Wideband VCOs  
I SPICE Model Parameters  
I Small Footprint Chip Design  
Description  
Alpha Industries’ product line of silicon hyperabrupt  
junction varactor diode chips are processed using  
established ion-implantation technology resulting in low  
RS wide tuning ratio devices with high Q values. These  
planar chips have a small outline size (12 x 12 mils  
nominal) and are fully passivated resulting in low  
leakage current and high reliability.These varactor chips  
are intended for assembly in hybrid integrated circuit  
resonators used in VCOs and analog tuned filters.  
Electrical Specifications at 25°C  
CJ @ 0 V  
CJ @ 4 V  
(pF)  
CJ @ 20 V  
(pF)  
Q @ 4 V  
50 MHz  
1 GHz  
RS @ 4 V (Ω)  
IR @17.6 V  
(nA)  
Contact  
Diam. (mils)  
1
2
3
4
Part Number  
(pF)  
Typ.  
2.3  
Min.  
0.68  
1.13  
1.58  
2.48  
4.28  
Max.  
0.88  
1.43  
1.98  
3.08  
5.28  
Min.  
0.13  
0.23  
0.32  
0.48  
0.78  
Max.  
Min.  
500  
500  
500  
400  
400  
Typ.  
4.8  
4.1  
2.8  
2.2  
1.4  
Max.  
50  
Nom.  
2.00  
2.50  
3.00  
3.75  
5.00  
SMV2019-000  
SMV2020-000  
SMV2021-000  
SMV2022-000  
SMV2023-000  
0.23  
0.33  
0.44  
0.68  
1.08  
3.1  
50  
4.5  
50  
7.1  
50  
10.8  
50  
1. All capacitance values specified at 1 MHz.  
2. 50 MHz Q calculated from 1 GHz RS and 1 MHz CJ.  
3. VB at 10 µA specified at 22 V Min.  
4. Outline drawing 149-801.  
Outline Drawing  
149-801  
Absolute Maximum Ratings  
Characteristic  
Value  
22 V  
Reverse Voltage (VR)  
ANODE METALIZED GOLD DOT  
0.002 (0.051 mm) DIA. MIN.  
Forward Current (IF)  
100 mA  
250 mW  
0.010 (0.254 mm) MIN.  
0.014 (0.356 mm) MAX. SQ.  
Power Dissipation at 25°C (PD)  
Operating Temperature (TOP  
Storage Temperature (TST  
)
-55°C to +150°C  
-65°C to +200°C  
)
SILICON  
0.004 (0.127 mm) MIN.  
0.006 (0.152 mm) MAX.  
CATHODE METALIZED BACK  
CONTACT - GOLD  
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com  
1
Specifications subject to change without notice. 8/01A  
Silicon Hyperabrupt Varactor Diode Chips  
SMV2109 to SMV2023  
Typical Performance Data  
12  
11  
10  
9
8
6
5
4
3
2
1
0
SMV2019-000  
SMV2020-000  
SMV2023-000  
SMV2022-000  
7
SMV2021-000  
SMV2022-000  
SMV2023-000  
SMV2021-000  
6
SMV2020-000  
5
SMV2019-000  
4
3
2
1
0
0
5
10  
15  
20  
0
4
8
12  
16  
20  
Reverse Voltage (V)  
Reverse Voltage (V)  
Capacitance vs. Reverse Voltage  
Series Resistance vs. Voltage @ 1 GHz  
Typical Capacitance Values  
SPICE Model  
SMV2019 SMV2020 SMV2021 SMV2022 SMV2023  
VR (V)  
0.0  
CJ (pF)  
2.25  
1.79  
1.53  
1.19  
0.99  
0.84  
0.71  
0.57  
0.46  
0.38  
0.33  
0.29  
0.26  
0.24  
0.23  
0.21  
0.20  
0.19  
0.19  
0.18  
0.17  
0.16  
CJ (pF)  
3.14  
2.5  
CJ (pF)  
4.48  
3.57  
3.09  
2.45  
2.09  
1.83  
1.60  
1.37  
1.17  
0.97  
0.81  
0.69  
0.61  
0.56  
0.51  
0.48  
0.45  
0.43  
0.41  
0.39  
0.38  
0.36  
CJ (pF)  
7.08  
5.66  
4.88  
3.89  
3.19  
2.71  
2.30  
1.87  
1.52  
1.25  
1.07  
0.94  
0.85  
0.78  
0.73  
0.69  
0.65  
0.62  
0.59  
0.57  
0.55  
0.54  
CJ (pF)  
10.76  
8.76  
7.67  
6.31  
5.38  
4.75  
4.21  
3.66  
3.17  
2.68  
2.25  
1.89  
1.66  
1.49  
1.35  
1.24  
1.16  
1.10  
1.04  
0.99  
0.95  
0.91  
DIODEM  
Diode_Model  
IS = 1.00e-14  
PORT  
P_anode  
port = 1  
0.5  
R
S = RS  
N = 1, 2  
T = 0  
1.0  
2.16  
1.72  
1.44  
1.24  
1.07  
0.90  
0.74  
0.61  
0.52  
0.46  
0.42  
0.38  
0.36  
0.34  
0.32  
0.31  
0.29  
0.28  
0.27  
0.26  
T
2.0  
C
JO = CJO  
RES  
RS  
R = RS  
M = M  
3.0  
VJ = VJ  
EG = 1.11  
4.0  
X
K
A
TI = 3  
F =0  
F =1  
DIODE  
Varactor_Diode  
AREA = 1  
MODEL = Diode_Model  
MODE = nonlinear  
5.0  
6.0  
F
C = 0.5  
V = 22  
B
I
I
7.0  
BV = 1e-5  
SR = 0  
8.0  
N
R = 2  
KF = 0  
BV = 1  
BVL = 0  
BVL = 1  
9.0  
I
PORT  
P_Cathode  
port = 2  
N
10.0  
11.0  
12.0  
13.0  
14.0  
15.0  
16.0  
17.0  
18.0  
19.0  
20.0  
I
N
TBV1 = 0  
TNOM = 27  
FFE = 1  
CJ0  
CV =  
M + CP  
VR  
VJ  
1+  
Part  
CJO  
(pF)  
VJ  
(V)  
M
RS  
(Ω)  
Number  
SMV2019  
SMV2020  
SMV2021  
SMV2022  
SMV2023  
2.3  
3.3  
3.5  
3.6  
3.9  
4.0  
4.6  
1.40  
1.30  
1.34  
1.40  
1.45  
4.8  
4.1  
2.8  
2.2  
1.4  
4.5  
7.1  
10.8  
SPICE model parameters extracted from measured characteristics may not  
reflect exact physical or electronic properties. See application note APN1004.  
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com  
Specifications subject to change without notice. 8/01A  

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