Ultra Small SC79 Package Varactor Diode SKYWORKS SMV1276-079LF Suitable for Low Noise VCO Circuits

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Product Description

Product Overview

The Skyworks SMV1276-079LF is a silicon hyperabrupt junction varactor diode engineered for battery-operated wireless systems. It features a high-capacitance ratio and low-series resistance, making it suitable for low phase-noise voltage-controlled oscillators (VCOs) operating at frequencies up to and above 2.5 GHz. Applications include low-noise and wideband UHF and VHF VCOs for GSM, PCS, CDMA, and analog phones.

Product Attributes

Brand: Skyworks Solutions, Inc.
Product Name: SMV1276-079LF
Type: Hyperabrupt Junction Tuning Varactor
Package: Ultra-small SC-79
Certifications: Skyworks Green compliant, Halogen-free, MSL1 (260 C per JEDEC J-STD-020)
Cross to: Toshiba 1SV285
Lead-free: Pb-free, RoHS-compliant package (denoted by "LF" in part number)

Technical Specifications

Parameter	Symbol	Test Condition	Min	Typical	Max	Units
Absolute Maximum Ratings
Reverse voltage	VR				10	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
Reverse current	IR	VR = 10 V		10		nA
Capacitance	CT	f = 1 MHz, VR = 1 V		4.0	4.9	pF
Capacitance	CT	f = 1 MHz, VR = 4 V		1.85	2.35	pF
Capacitance ratio	CTR	CT @ 1 V / CT @ 4 V	2.0
Series resistance	RS	f = 470 MHz, VR = 1 V		0.7
Breakdown voltage	VBR	IR = 10 A	10			V
SPICE Model Parameters
CJO				6.75		pF
VJ				0.18		V
M				0.41
CP				0.18		pF
RS				0.8
LS				0.7		nH
Package Dimensions (SC-79)
Length			0.060 (1.50)		0.067 (1.70)	inches (mm)
Width			0.043 (1.10)		0.051 (1.30)	inches (mm)
Height			0.020 (0.50)		0.028 (0.70)	inches (mm)
Lead pitch			0.028 (0.70)		0.035 (0.90)	inches (mm)
Tape and Reel Dimensions (SC-79)
Reel diameter				7		inches
Quantity per reel				3000		pcs