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Low Phase Noise Varactor Diode SKYWORKS SMV1405-040LF for in Wireless Systems Operating Above 10 GHz

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Low Phase Noise Varactor Diode SKYWORKS SMV1405-040LF for in Wireless Systems Operating Above 10 GHz

Capacitance Ratio : 4.1@C0V/C30V

Diode Configuration : Independent

DC Reverse Voltage(Vr) : 30V

Series Resistance (Rs) : 800mΩ

Diode Capacitance : 1.45pF@4V,1MHz

Description : 4.1@C0V/C30V Independent 30V 800mΩ 1.45pF@4V,1MHz 0402 Variable Capacitance (Varicaps, Varactors) RoHS

Mfr. Part # : SMV1405-040LF

Model Number : SMV1405-040LF

Package : 0402

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Product Overview

The Skyworks SMV1405 to SMV1430 series are silicon abrupt junction varactor diodes designed for Voltage Controlled Oscillators (VCOs) in wireless systems. These diodes feature high Q and low series resistance, making them suitable for high-Q resonators and achieving low phase noise in applications operating at frequencies above 10 GHz. They are characterized for capacitance over temperature and are available in various plastic packages.

Product Attributes

Brand: Skyworks Solutions, Inc.
Product Family: SMV1405 to SMV1430 Series
Compliance: Skyworks Green, Halogen-free, RoHS-compliant
Moisture Sensitivity Level: MSL1 at 260 C
Lead Finish: Lead-free or Tin/lead (Sn/Pb) packaging available; Tin/lead not recommended for new designs.

Technical Specifications

Parameter	Symbol	Minimum	Maximum	Units	Notes
Reverse voltage	VR	-	30	V	Absolute Maximum Rating
Forward current	IF	-	20	mA	Absolute Maximum Rating
Power dissipation	PD	-	250	mW	Absolute Maximum Rating
Operating temperature	TOP	-55	+125	C	Absolute Maximum Rating
Storage temperature	TSTG	-55	+150	C	Absolute Maximum Rating

Electrical Specifications (TOP = 25 C)

Part Number	CT @ 0.5 V (pF)	CT @ 1 V (pF)	CT @ 4 V (pF)	CT @ 0 V CT @ 30 V (Ratio)	RS @ 4 V, 500 MHz ()	Q @ 4 V, 50 MHz (Typ.)
SMV1405	2.1	1.80	1.21	1.45	0.80	3200
SMV1408	3.4	2.90	1.71	2.11	0.60	2900
SMV1413	7.4	6.40	3.64	4.42	0.35	2400
SMV1430	1.01	0.88	0.46	0.70	3.15	1680

Capacitance vs Reverse Voltage (Typical)

VR (V)	CT (pF) SMV1405	CT (pF) SMV1408	CT (pF) SMV1413	CT (pF) SMV1430
0	2.67	4.08	9.24	1.24
0.5	2.12	3.36	7.39	1.01
1.0	1.84	2.94	6.37	0.88
1.5	1.70	2.60	5.71	0.80
2.0	1.55	2.38	5.22	0.74
2.5	1.44	2.24	4.85	0.68
3.0	1.34	2.08	4.55	0.65
4.0	1.25	1.88	4.10	0.60
5.0	1.17	1.72	3.77	0.56
10.0	0.95	1.28	2.85	0.44
20.0	0.77	1.01	2.12	0.35
30.0	0.63	0.95	1.77	0.31

Packaging and Marking

Package Type	Marking	Inductance (LS)
SC-79	Cathode and A3 (SMV1405-079LF)	0.7 nH
SC-79	Cathode and A4 (SMV1413-079LF)	0.7 nH
SOT-23	5 (SMV1405-040LF)	1.5 nH
SOT-23	DV (SMV1408-040LF)	1.5 nH
SOT-23	ER1 (SMV1413-001LF)	0.45 nH
SOT-23	ER3 (SMV1413-004LF)	0.45 nH
SOD-882	7 (SMV1430-040LF)	1.5 nH

2504101957_SKYWORKS-SMV1405-040LF_C17456081.pdf

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