Low Tuning Voltage Silicon Hyperabrupt Junction Varactor SKYWORKS SMV1231 074LF for Wireless System VCOs
Key Attributes
Model Number:
SMV1231-074LF
Product Custom Attributes
Capacitance Ratio:
2.8@C1V/C6V
DC Reverse Voltage(Vr):
15V
Diode Configuration:
1 Pair Common Cathode
Diode Capacitance:
0.61pF@6V,50MHz
Mfr. Part #:
SMV1231-074LF
Package:
SC-70-3
Product Description
Skyworks SMV123x Series: Hyperabrupt Junction Tuning Varactors
Product Overview
The Skyworks SMV123x series comprises silicon hyperabrupt junction varactor diodes engineered for low tuning voltage Voltage Controlled Oscillators (VCOs). These varactors are designed for high-Q resonators in wireless system VCOs, operating at frequencies exceeding 10 GHz. Their low series resistance contributes to reduced phase noise, making them suitable for high-volume commercial applications. The series is characterized for capacitance and resistance across temperature variations.
Product Attributes
- Brand: Skyworks
- Product Line: SMV123x Series
- Technology: Silicon Hyperabrupt Junction
- Compliance: Skyworks Green (Halogen-free, RoHS-compliant)
- Moisture Sensitivity Level: MSL1 at 260 C
Technical Specifications
| Part Number | CT @ 1 V (pF) | CT @ 3 V (pF) | CT @ 6 V (pF) | CT @ 1 V / CT @ 3 V (Ratio) | CT @ 1 V / CT @ 6 V (Ratio) | RS @ 3 V, 500 MHz () | Package | Marking | LS (nH) |
|---|---|---|---|---|---|---|---|---|---|
| SMV1231 | 1.43 - 1.72 | 0.97 | 0.61 | 1.5 - 1.8 | 2.5 - 2.90 | 2.50 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HF, KA3, A | 0.7 |
| SMV1232 | 2.34 - 2.86 | 1.50 | 0.94 | 1.5 - 1.9 | 2.6 - 3.3 | 1.50 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HG, Y | 1.5 |
| SMV1233 | 3.00 - 3.60 | 1.80 | 1.10 | 1.5 - 1.9 | 2.6 - 3.3 | 1.20 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HK, B | 1.5 |
| SMV1234 | 5.85 - 7.15 | 3.60 | 2.00 | 1.6 - 2.0 | 2.8 - 3.4 | 0.80 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HS, DQ, G | 1.4 |
| SMV1235 | 10.35 - 12.65 | 6.40 | 3.60 | 1.6 - 2.0 | 2.9 - 3.4 | 0.60 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HX | 0.45 |
| SMV1236 | 15.50 - 18.50 | 9.20 | 5.30 | 1.6 - 2.0 | 3.0 - 3.5 | 0.50 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HY, EQ, R | N/A |
| SMV1237 | 45.00 - 54.00 | 26.90 | 14.40 | 1.6 - 2.0 | 3.0 - 3.5 | 0.40 | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | DT1 | N/A |
| Parameter | Symbol | Minimum | Maximum | Units |
|---|---|---|---|---|
| Reverse Voltage | VR | 15 | V | |
| Forward Current | IF | 20 | mA | |
| Power Dissipation | PDIS | 250 | mW | |
| Operating Temperature | TOP | -55 | 125 | C |
| Storage Temperature | TSTG | -55 | 150 | C |
| Electrostatic Discharge (HBM, Class 1B) | ESD | 1000 | V |
| Reverse Voltage (VR) | CT (pF) SMV1231 | CT (pF) SMV1232 | CT (pF) SMV1233 | CT (pF) SMV1234 | CT (pF) SMV1235 | CT (pF) SMV1236 | CT (pF) SMV1237 |
|---|---|---|---|---|---|---|---|
| 0 | 2.35 | 4.15 | 5.08 | 9.63 | 18.22 | 26.75 | 71.82 |
| 0.5 | 1.87 | 3.22 | 3.95 | 7.53 | 14.12 | 20.61 | 56.10 |
| 1.0 | 1.58 | 2.67 | 3.28 | 6.28 | 11.67 | 17.02 | 46.89 |
| 1.5 | 1.40 | 2.28 | 2.80 | 5.39 | 9.91 | 14.38 | 40.33 |
| 2.0 | 1.22 | 1.97 | 2.41 | 4.68 | 8.52 | 12.29 | 35.13 |
| 2.5 | 1.09 | 1.72 | 2.09 | 4.09 | 7.36 | 10.56 | 30.71 |
| 3.0 | 0.970 | 1.51 | 1.82 | 3.58 | 6.40 | 9.16 | 26.87 |
| 3.5 | 0.882 | 1.35 | 1.62 | 3.15 | 5.62 | 8.04 | 23.57 |
| 4.0 | 0.794 | 1.22 | 1.45 | 2.81 | 4.99 | 7.19 | 20.83 |
| 4.5 | 0.732 | 1.13 | 1.33 | 2.54 | 4.50 | 6.53 | 18.62 |
| 5.0 | 0.683 | 1.05 | 1.24 | 2.32 | 4.11 | 6.01 | 16.87 |
| 5.5 | 0.648 | 0.99 | 1.16 | 2.15 | 3.80 | 5.61 | 15.48 |
| 6.0 | 0.613 | 0.94 | 1.10 | 2.02 | 3.55 | 5.28 | 14.36 |
| 6.5 | 0.590 | 0.90 | 1.05 | 1.90 | 3.34 | 5.02 | 13.46 |
| 7.0 | 0.567 | 0.86 | 1.01 | 1.80 | 3.17 | 4.81 | 12.72 |
| 7.5 | 0.551 | 0.84 | 0.98 | 1.72 | 3.03 | 4.64 | 12.11 |
| 8.0 | 0.534 | 0.81 | 0.96 | 1.65 | 2.91 | 4.49 | 11.61 |
| 9.0 | 0.512 | 0.78 | 0.92 | 1.55 | 2.73 | 4.28 | 10.87 |
| 10.0 | 0.497 | 0.76 | 0.90 | 1.47 | 2.61 | 4.13 | 10.38 |
| 11.0 | 0.492 | 0.75 | 0.88 | 1.42 | 2.53 | 4.02 | 10.06 |
| 12.0 | 0.487 | 0.74 | 0.87 | 1.38 | 2.47 | 3.95 | 9.84 |
| 13.0 | 0.480 | 0.73 | 0.86 | 1.35 | 2.43 | 3.89 | 9.68 |
| 14.0 | 0.472 | 0.73 | 0.85 | 1.33 | 2.40 | 3.84 | 9.56 |
| 15.0 | 0.466 | 0.72 | 0.84 | 1.32 | 2.38 | 3.80 | 9.47 |
| Part Number | CJO (pF) | VJ (V) | M | CP (pF) | RS () |
|---|---|---|---|---|---|
| SMV1231 | 1.88 | 10.13 | 4.999 | 0.44 | 2.50 |
| SMV1232 | 3.43 | 8.36 | 4.690 | 0.68 | 1.50 |
| SMV1233 | 4.21 | 11.87 | 6.430 | 0.81 | 1.20 |
| SMV1234 | 8.36 | 7.95 | 3.960 | 1.15 | 0.80 |
| SMV1235 | 15.85 | 8.78 | 4.570 | 2.15 | 0.60 |
| SMV1236 | 22.89 | 9.62 | 5.230 | 3.59 | 0.50 |
| SMV1237 | 61.40 | 14.51 | 6.780 | 8.90 | 0.25 |
2411220421_SKYWORKS-SMV1231-074LF_C17502818.pdf
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