Performance Silicon Varactor Diode SKYWORKS SMV1235-079LF for High Q Resonators in Wireless Systems

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: Negotiable

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 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 reliable performance in demanding applications.

Product Attributes

Brand: Skyworks Solutions, Inc.
Product Line: SMV123x Series
Technology: Silicon Hyperabrupt Junction
Compliance: Skyworks Green (Halogen-free, RoHS-compliant)
Moisture Sensitivity Level: MSL1 at 260 C

Technical Specifications

Absolute Maximum Ratings

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

Electrical Specifications (TOP = 25 C, Unless Otherwise Noted)

Part Number	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 ()
	Min	Max	Typ	Min	Max	Min	Max	Typ
SMV1231	1.43	1.72	0.97	0.61	1.5	1.8	2.5	2.90
SMV1232	2.34	2.86	1.50	0.94	1.5	1.9	2.6	3.3	1.50
SMV1233	3.00	3.60	1.80	1.10	1.5	1.9	2.6	3.3	1.20
SMV1234	5.85	7.15	3.60	2.00	1.6	2.0	2.8	3.4	0.80
SMV1235	10.35	12.65	6.40	3.60	1.6	2.0	2.9	3.4	0.60
SMV1236	15.50	18.50	9.20	5.30	1.6	2.0	3.0	3.5	0.50
SMV1237	45.00	54.00	26.90	14.40	1.6	2.0	3.0	3.5	0.40

Capacitance vs Reverse Voltage

VR (V)	CT (pF) SMV1231	CT (pF) SMV1232	CT (pF) SMV1233	CT (pF) SMV1234	CT (pF) SMV1235	CT (pF) SMV1236	CT (pF) SMV1237
0	2.35	4.15	5.08	9.63	18.22	26.75	71.82
0.5	1.87	3.22	3.95	7.53	14.12	20.61	56.10
1.0	1.58	2.67	3.28	6.28	11.67	17.02	46.89
1.5	1.40	2.28	2.80	5.39	9.91	14.38	40.33
2.0	1.22	1.97	2.41	4.68	8.52	12.29	35.13
2.5	1.09	1.72	2.09	4.09	7.36	10.56	30.71
3.0	0.970	1.51	1.82	3.58	6.40	9.16	26.87
3.5	0.882	1.35	1.62	3.15	5.62	8.04	23.57
4.0	0.794	1.22	1.45	2.81	4.99	7.19	20.83
4.5	0.732	1.13	1.33	2.54	4.50	6.53	18.62
5.0	0.683	1.05	1.24	2.32	4.11	6.01	16.87
5.5	0.648	0.99	1.16	2.15	3.80	5.61	15.48
6.0	0.613	0.94	1.10	2.02	3.55	5.28	14.36
6.5	0.590	0.90	1.05	1.90	3.34	5.02	13.46
7.0	0.567	0.86	1.01	1.80	3.17	4.81	12.72
7.5	0.551	0.84	0.98	1.72	3.03	4.64	12.11
8.0	0.534	0.81	0.96	1.65	2.91	4.49	11.61
9.0	0.512	0.78	0.92	1.55	2.73	4.28	10.87
10.0	0.497	0.76	0.90	1.47	2.61	4.13	10.38
11.0	0.492	0.75	0.88	1.42	2.53	4.02	10.06
12.0	0.487	0.74	0.87	1.38	2.47	3.95	9.84
13.0	0.480	0.73	0.86	1.35	2.43	3.89	9.68
14.0	0.472	0.73	0.85	1.33	2.40	3.84	9.56
15.0	0.466	0.72	0.84	1.32	2.38	3.80	9.47

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

Package and Marking Information

Package Type	Marking	Package Inductance (LS)
SC-79	Cathode and HF	0.7 nH
SOD-323	KA3	1.5 nH
SOT-23	A	1.5 nH
SC-70	Cathode and HG	1.4 nH
SOD-882	Y	0.45 nH
SC-79	Cathode and HK
SOD-323	B
SOT-23	Cathode and HS
SC-70	DQ
SOD-882	G
SC-79	Cathode and HX
SOD-323	Cathode and HY
SOT-23	EQ
SC-70	R
SOD-882	DT1