Hyperabrupt Junction Tuning Varactor Diode Skyworks SMV1236-011LF for Wireless System VCOs Above 10 GHz

Key Attributes
Model Number: SMV1236-011LF
Product Custom Attributes
Capacitance Ratio:
3.5@C1V/C6V
Diode Configuration:
Independent
DC Reverse Voltage(Vr):
15V
Diode Capacitance:
5.3pF@6V,50MHz
Mfr. Part #:
SMV1236-011LF
Package:
SOD-323
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, 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
02.354.155.089.6318.2226.7571.82
0.51.873.223.957.5314.1220.6156.10
1.01.582.673.286.2811.6717.0246.89
1.51.402.282.805.399.9114.3840.33
2.01.221.972.414.688.5212.2935.13
2.51.091.722.094.097.3610.5630.71
3.00.9701.511.823.586.409.1626.87
3.50.8821.351.623.155.628.0423.57
4.00.7941.221.452.814.997.1920.83
4.50.7321.131.332.544.506.5318.62
5.00.6831.051.242.324.116.0116.87
5.50.6480.991.162.153.805.6115.48
6.00.6130.941.102.023.555.2814.36
6.50.5900.901.051.903.345.0213.46
7.00.5670.861.011.803.174.8112.72
7.50.5510.840.981.723.034.6412.11
8.00.5340.810.961.652.914.4911.61
9.00.5120.780.921.552.734.2810.87
10.00.4970.760.901.472.614.1310.38
11.00.4920.750.881.422.534.0210.06
12.00.4870.740.871.382.473.959.84
13.00.4800.730.861.352.433.899.68
14.00.4720.730.851.332.403.849.56
15.00.4660.720.841.322.383.809.47

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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