MSL1 rated SKYWORKS SMV1231-079LF varactor diode suitable for high volume commercial wireless system VCOs

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Product Description

Product Overview

The Skyworks SMV123x series are silicon hyperabrupt junction varactor diodes specifically designed 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. The series is characterized for capacitance and resistance over temperature, offering a high capacitance ratio and MSL1 rating for robust performance in high-volume commercial systems.

Product Attributes

Brand: Skyworks
Product Line: SMV123x Series
Technology: Silicon Hyperabrupt Junction
Compliance: Skyworks Green, Halogen-free, RoHS-compliant
Moisture Sensitivity Level: MSL1 at 260 C
Soldering Compatibility: Lead or Lead-free

Technical Specifications

Model	CT @ 1 V (pF) Min	CT @ 1 V (pF) Max	CT @ 3 V (pF) Typ	CT @ 6 V (pF) Typ	CT @ 1 V / CT @ 3 V Ratio Typ	CT @ 1 V / CT @ 6 V Ratio Typ	RS @ 3 V, 500 MHz () Typ	Package	Marking	LS (nH)
SMV1231	1.43	1.72	0.97	0.61	1.5	1.8	2.90	SC-79, SOD-323, SC-70, SOT-23, SOD-882	Cathode and HF (SMV1231-079LF), KA3 (SMV1231-074LF), A (SMV1231-040LF)	0.7
SMV1232	2.34	2.86	1.50	0.94	1.5	1.9	1.50	SC-79, SOD-323, SC-70, SOT-23, SOD-882	Cathode and HG (SMV1232-079LF), Y (SMV1232-040LF)	1.5
SMV1233	3.00	3.60	1.80	1.10	1.5	1.9	1.20	SC-79, SOD-323, SC-70, SOT-23, SOD-882	Cathode and HK (SMV1233-079LF), B (SMV1233-040LF)	1.5
SMV1234	5.85	7.15	3.60	2.00	1.6	2.0	0.80	SC-79, SOD-323, SC-70, SOT-23, SOD-882	Cathode and HS (SMV1234-079LF), DQ (SMV1234-011LF), G (SMV1234-040LF)	1.4
SMV1235	10.35	12.65	6.40	3.60	1.6	2.0	0.60	SC-79, SOD-323, SC-70, SOT-23, SOD-882	SMV1235-079LF (Marking: Cathode and HX)	0.45
SMV1236	15.50	18.50	9.20	5.30	1.6	2.0	0.50	SC-79, SOD-323, SC-70, SOT-23, SOD-882	SMV1236-079LF (Marking: Cathode and HY), EQ (SMV1236-011LF), R (SMV1236-040LF)	0.45
SMV1237	45.00	54.00	26.90	14.40	1.6	2.0	0.40	SC-79, SOD-323, SC-70, SOT-23, SOD-882	SMV1237-001LF (Marking: 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

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