Low series resistance varactor diode SKYWORKS SMV1234-040LF designed for high Q resonators in wireless systems
Key Attributes
Model Number:
SMV1234-040LF
Product Custom Attributes
Capacitance Ratio:
3.4@C1V/C6V
Diode Configuration:
Independent
DC Reverse Voltage(Vr):
15V
Diode Capacitance:
-
Mfr. Part #:
SMV1234-040LF
Package:
0402
Product Description
Skyworks SMV123x Series: Hyperabrupt Junction Tuning Varactors
Product Overview
The Skyworks SMV123x series are silicon hyperabrupt junction varactor diodes engineered for low tuning voltage Voltage Controlled Oscillators (VCOs). These varactors feature low series resistance, making them ideal for high-Q resonators in wireless system VCOs operating at frequencies exceeding 10 GHz. They are characterized for capacitance and resistance over temperature, ensuring reliable performance in demanding applications. Skyworks Green products are compliant with applicable legislation and are halogen-free.
Key Features
- High capacitance ratio
- Low series resistance for low phase noise
- Packages rated MSL1, 260 C per JEDEC J-STD-020
Applications
- Low tuning voltage VCOs
- High-Q resonators in wireless system VCOs
- High-volume commercial systems
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Product Line: SMV123x Series
- Compliance: Skyworks Green (Halogen-free, RoHS-compliant)
Technical Specifications
| Parameter | Symbol | Minimum | Maximum | Units | Notes |
|---|---|---|---|---|---|
| Reverse voltage | VR | 15 | V | Absolute Maximum Rating | |
| Forward current | IF | 20 | mA | Absolute Maximum Rating | |
| Power dissipation | PDIS | 250 | mW | Absolute Maximum Rating | |
| Operating temperature | TOP | -55 | +125 | C | Absolute Maximum Rating |
| Storage temperature | TSTG | -55 | +150 | C | Absolute Maximum Rating |
| Electrostatic discharge (HBM, Class 1B) | ESD | 1000 | V | Absolute Maximum Rating | |
| Moisture Sensitivity Level | MSL | 1 | at 260 C |
Electrical Specifications (TOP = 25 C)
| 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 () | ||
|---|---|---|---|---|---|---|---|---|
| Min | Max | Min | Max | Min | Max | Typ | ||
| SMV1231 | 1.43 | 1.72 | 0.97 | 0.61 | 1.5 | 1.8 | 2.5 | 2.90 |
| SMV1232 | 2.34 | 2.86 | 1.50 | 0.94 | 1.5 | 1.9 | 2.6 | 1.50 |
| SMV1233 | 3.00 | 3.60 | 1.80 | 1.10 | 1.5 | 1.9 | 2.6 | 1.20 |
| SMV1234 | 5.85 | 7.15 | 3.60 | 2.00 | 1.6 | 2.0 | 2.8 | 0.80 |
| SMV1235 | 10.35 | 12.65 | 6.40 | 3.60 | 1.6 | 2.0 | 2.9 | 0.60 |
| SMV1236 | 15.50 | 18.50 | 9.20 | 5.30 | 1.6 | 2.0 | 3.0 | 0.50 |
| SMV1237 | 45.00 | 54.00 | 26.90 | 14.40 | 1.6 | 2.0 | 3.0 | 0.40 |
Available Packages and Markings
| Package Type | Marking | Series Inductance (LS) |
|---|---|---|
| SC-79 | Cathode and HF (SMV1231-079LF) | 0.7 nH |
| SC-79 | Cathode and HG (SMV1232-079LF) | 1.5 nH |
| SC-79 | Cathode and HK (SMV1233-079LF) | 1.5 nH |
| SC-79 | Cathode and HS (SMV1234-079LF) | 1.4 nH |
| SC-79 | Cathode and HX (SMV1235-079LF) | 0.45 nH |
| SC-79 | Cathode and HY (SMV1236-079LF) | |
| SOD-323 Green | KA3 (SMV1231-074LF) | |
| SOD-323 Green | DQ (SMV1234-011LF) | |
| SOD-323 Green | EQ (SMV1236-011LF) | |
| SOT-23 Green | A (SMV1231-040LF) | |
| SOT-23 Green | Y (SMV1232-040LF) | |
| SOT-23 Green | B (SMV1233-040LF) | |
| SOT-23 Green | G (SMV1234-040LF) | |
| SOT-23 Green | R (SMV1236-040LF) | |
| SC-70 | ||
| SOD-882 Green | DT1 (SMV1237-001LF) |
Note: The Pb-free symbol or LF in the part number denotes a lead-free, RoHS-compliant package unless otherwise noted as Green.
2411220421_SKYWORKS-SMV1234-040LF_C17382353.pdf
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