Hyperabrupt Junction Tuning Varactor Diode Skyworks SMV1236-011LF for Wireless System VCOs Above 10 GHz
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, offering performance at frequencies exceeding 10 GHz. Their low series resistance is crucial for achieving low phase noise. The series is characterized for capacitance and resistance across temperature, making them suitable for high-volume commercial wireless systems.
Product Attributes
- Brand: Skyworks
- Product Line: SMV123x Series
- Technology: Silicon Hyperabrupt Junction
- Compliance: Skyworks Green products are compliant with all applicable legislation and are halogen-free.
- Moisture Sensitivity Level: MSL1 at 260 C
- Soldering Compatibility: Suitable for lead or lead-free soldering.
Technical Specifications
| Model | 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 Type | Marking | LS (nH) |
|---|---|---|---|---|---|---|---|---|---|
| SMV1231 | 1.43 - 1.72 | 0.97 | 0.61 | 1.5 - 1.8 | 2.5 - 2.90 | 0.44 (Typ) | 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 | 0.68 (Typ) | 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 | 0.81 (Typ) | 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 | 1.15 (Typ) | 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 | 2.15 (Typ) | 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 | 3.59 (Typ) | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | Cathode and HY, EQ, R | 0.45 |
| SMV1237 | 45.00 - 54.00 | 26.90 | 14.40 | 1.6 - 2.0 | 3.0 - 3.5 | 8.90 (Typ) | SC-79, SOD-323, SOT-23, SC-70, SOD-882 | DT1 | 0.45 |
| 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: Human Body Model (HBM), Class 1B | ESD | 1000 | V |
Capacitance vs Reverse Voltage (Typical Values)
| VR (V) | 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 |
SPICE Model Parameters
| 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-SMV1236-011LF_C17420721.pdf
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