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Silicon Hyperabrupt Junction Tuning Varactors Skyworks SMV2019-079LF for RF Microwave VCO Applications

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Silicon Hyperabrupt Junction Tuning Varactors Skyworks SMV2019-079LF for RF Microwave VCO Applications

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Model Number :	SMV2019-079LF

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Silicon Hyperabrupt Junction Tuning Varactors Skyworks SMV2019-079LF for RF Microwave VCO Applications

Skyworks SMV2019 to SMV2023 Series: Hyperabrupt Junction Tuning Varactors

Product Overview

The Skyworks SMV2019 to SMV2023 series are silicon hyperabrupt junction varactor diodes designed for low phase noise voltage-controlled oscillators (VCOs) in wireless systems. Their high-capacitance ratio at low reverse voltage and low series resistance make them ideal for RF and microwave VCOs and phase shifters. These varactors are rated MSL1, 260 C per JEDEC J-STD-020 and are available in various package types, including SOT-23, SOD-323, SC-79, and SOD-882.

Product Attributes

Brand: Skyworks Solutions, Inc.
Product Type: Hyperabrupt Junction Tuning Varactors
Material: Silicon
Compliance: Skyworks Green products are compliant with all applicable legislation and are halogen-free. Pb-free / RoHS-compliant packages are denoted by "LF" or the Pb-free symbol.

Technical Specifications

Absolute Maximum Ratings

Parameter	Symbol	Minimum	Maximum	Units
Reverse voltage	VR		22	V
Forward current	IF		20	mA
Power dissipation	PDIS		250	mW
Operating temperature	TOP	-55	+125	C
Storage temperature	TSTG	-55	+150	C

Electrical Specifications

Part Number	CT @ 4 V (pF) Min	CT @ 4 V (pF) Max	CT @ 20 V (pF) Min	CT @ 20 V (pF) Max	CT @ 4 V / CT @ 20 V Ratio Min	Q @ 4 V, 50 MHz Typical
SMV2019	0.65	0.95	0.26	0.34	2.30	500
SMV2020	1.20	1.53	0.30	0.43	2.80	500
SMV2022	2.50	3.30	0.60	0.85	3.00	500
SMV2023	4.40	5.40	0.90	1.20	4.20	500

Note: Reverse current, IR (VR = 16 V): 50 nA maximum.

Capacitance vs. Reverse Voltage

VR (V)	CT (pF) SMV2019	CT (pF) SMV2020	CT (pF) SMV2022	CT (pF) SMV2023
0	2.22	3.20	7.41	12.33
0.5	1.77	2.59	5.94	9.90
1.0	1.51	2.25	5.14	8.60
1.5	1.33	2.01	4.56	7.62
2.0	1.20	1.83	4.14	6.94
2.5	1.08	1.68	3.78	6.34
3.0	0.98	1.56	3.49	5.88
3.5	0.89	1.46	3.23	5.45
4.0	0.81	1.36	3.01	5.09
5.0	0.66	1.19	2.54	4.42
6.0	0.55	1.03	2.18	3.77
7.0	0.48	0.88	1.80	3.18
8.0	0.44	0.75	1.50	2.63
9.0	0.40	0.64	1.29	2.21
10.0	0.38	0.57	1.11	1.86
11.0	0.37	0.52	1.03	1.68
12.0	0.35	0.48	0.96	1.54
13.0	0.34	0.45	0.91	1.44
14.0	0.33	0.43	0.87	1.37
15.0	0.32	0.41	0.83	1.30
16.0	0.32	0.39	0.81	1.25
17.0	0.31	0.38	0.78	1.20
18.0	0.31	0.37	0.76	1.16
19.0	0.30	0.36	0.75	1.13
20.0	0.30	0.35	0.73	1.09

SPICE Model Parameters

Part Number	CJO (pF)	VJ (V)	M	CP (pF)	RS ()	LS (nH)
SMV2019-079LF	2.25	3.5	1.4	0.07	4.8	0.7
SMV2019-040LF	2.25	3.5	1.4	0.07	4.8	0.45
SMV2020-079LF	3.20	4.4	1.45	0	2.5	0.7
SMV2022-004LF	7.30	4.0	1.4	0	2.2	1.5
SMV2023-011LF	12.23	4.0	1.4	0	1.6	1.5

Packaging and Marking

Part Number	Package Type	Marking	LS (nH)
SMV2019-079LF	SC-79 Green	Cathode and YX	0.7
SMV2019-040LF	SOT-23	Z	0.45
SMV2020-079LF	SOD-323 Green	Cathode and YY	0.7
SMV2022-004LF	SOD-882 Green	DJ3	1.5
SMV2023-011LF	Single	DK	1.5

Note: The Pb-free symbol or LF in the part number denotes a lead-free, RoHS-compliant package unless otherwise noted as Green.

Moisture Sensitivity Level

The SMV2019 to SMV2023 varactors are rated to Moisture Sensitivity Level 1 (MSL1) at 260 C.

2411220152_SKYWORKS-SMV2019-079LF_C5258862.pdf

Silicon Hyperabrupt Junction Tuning Varactors Skyworks SMV2019-079LF for RF Microwave VCO Applications

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