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DATA SHEET
SMV1247-SMV1255: Hyperabrupt Tuning Varactors
Features
Designed for high volume commercial applications High capacitance ratio, C0.3 V/C4.7 V = 12 typ. Multiple packages SOT-23, SOD-323, SC-70 and SC-79 Available lead (Pb)-free MSL-1 @ 250 C per JEDEC J-STD-020 SPICE models are available Available in tape and reel packaging

Description
The SMV1247-SMV1255 series of silicon hyperabrupt junction varactor diodes are designed for use in VCOs with low tuning voltage operation. This family of varactors is characterized for capacitance and resistance over temperature. SPICE models are provided.
Absolute Maximum Ratings
Characteristic Reverse voltage (VR) Forward current (IF) Power dissipation (PD) Storage temperature (TST) Operating temperature (TOP) ESD human body model Value 15 V 20 mA 250 mW -55 C to +150 C -55 C to +125 C Class 0
NEW
Skyworks offers lead (Pb)-free "environmentally friendly" packaging that is RoHS compliant (European Parliament for the Restriction of Hazardous Substances).
Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions must be employed at all times.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200061 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * December 07, 2004
1
DATA SHEET * SMV1247-SMV1255
Single SC-79 SMV1247-079 Marking: Cathode SMV1247-079LF Marking: Cathode SMV1248-079LF Marking: Cathode
Single SOD-323
Single SOT-23
Common Anode SOT-23
Common Cathode SOT-23
Common Anode SC-70
Common Cathode SC-70 SMV1247-074 Marking: BF3 SMV1247-074LF Marking: GF3
SMV1248-001 Marking: BG1
SMV1248-004
SMV1248-074 SMV1248-074LF Marking: GG3
SMV1249-079 Marking: Cathode SMV1249-079LF Marking: Cathode SMV1251-079 Marking: Cathode
SMV1249-011 Marking: AF
SMV1249-001 Marking: P1 SMV1249-001LF Marking: EF1
SMV1249-003 Marking: AF9
SMV1249-073 Marking: AF9
SMV1249-074
SMV1251-011 Marking: AH SMV1251-011LF Marking: EH
SMV1251-001 Marking: AH1 SMV1251-001LF Marking: EH
SMV1251-004 Marking: AH3 SMV1251-004LF Marking: EH3 SMV1253-004 Marking: AJ3
SMV1251-074 Marking: AH3
SMV1253-079 Marking: Cathode SMV1255-079 Marking: Cathode SMV1255-079LF Marking: Cathode LS = 0.7 nH SMV1255-011 Marking: AK SMV1255-011LF Marking: EK LS = 1.5 nH LS = 1.5 nH SMV1255-001 Marking: AK1
SMV1255-004 Marking: AK3
SMV1255-073 Marking: AK9
LS = 1.5 nH
LS = 1.4 nH
LS = 1.4 nH
LF denotes lead (Pb)-free packaging option as an alternative to our standard tin/lead (Sn/Pb) packaging.
Electrical Specifications at 25 C
Part Number SMV1247 SMV1248 SMV1249 SMV1251 SMV1253 SMV1255 6.5 15.0 28.0 38.0 48.0 58.0 CT @ 0.3 V (pF) Min. Typ. 7 17 31 42 53 64 Typ. 0.7 1.5 2.6 3.4 4.3 5.2 CT @ 4.7 V (pF) Max. 0.78 1.70 2.80 3.80 4.80 5.80 CT @1V (pF) Typ. 4.4 12.3 18.2 28.1 37.0 43.3 CT @3V (pF) Typ. 0.95 2.60 3.40 5.80 7.80 8.50 CT @ 0.3 V CT @ 4.7 V (Ratio) Min. 9.5 10.8 11.0 11.0 11.0 11.0 Typ. 10.0 12.0 12.1 12.2 12.3 12.3 CT @ 1 V CT @ 3 V (Ratio) Typ. 4.6 4.7 5.3 4.8 4.7 5.1 RS @ 3 V 500 MHz () Max. 6.0 3.3 2.2 1.6 1.4 1.3 Q @3V 50 MHz Typ. 1500 700 600 400 350 350
Reverse Voltage VR (IR = 10 A): 15 V Reverse Current IR (VR = 12 V): 20 nA
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
December 07, 2004 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200061 Rev. B
DATA SHEET * SMV1247-SMV1255
Typical Performance Data
100.0 SMV1255 SMV1253 8 6 4 SMV1251 SMV1248 SMV1247 0.1 0 2.0 4.0 6.0 8.0 0 0 1 2 3 4 5 2 SMV1255 SMV1253 SMV1248 SMV1249 SMV1251 10 SMV1247
Capacitance (pF)
10.0
1.0
RS ()
SMV1249
Reverse Voltage (V)
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
Series Resistance vs. Reverse Voltage @ 500 MHz
15
3 2 1 0 -1 -2 -3 -40 -20 0 20 40 60 80 VR = 4 V VR = 1 V
10
Percentage Change (%)
Percentage Change (%)
5 0 -5 -10 -15 -20 -25 -50 -25 0 25 50 75 100
Temperature (C)
Temperature (C)
Relative Capacitance Change vs. Temperature
Relative Series Resistance Change vs. Temperature @ 500 MHz
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200061 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * December 07, 2004
3
DATA SHEET * SMV1247-SMV1255
Typical Capacitance Values
SMV1247 VR (V) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 CT (pF) 8.86 6.17 4.37 2.96 1.88 1.22 0.95 0.83 0.77 0.73 0.70 0.68 0.67 0.66 0.65 0.64 0.64 SMV1248 CT (pF) 22.62 16.32 12.33 9.12 6.27 3.93 2.57 1.95 1.71 1.59 1.49 1.44 1.40 1.36 1.33 1.31 1.30 SMV1249 CT (pF) 37.35 25.88 18.18 12.08 7.27 4.44 3.40 2.96 2.72 2.51 2.38 2.30 2.24 2.19 2.14 2.09 2.03 SMV1251 CT (pF) 53.65 38.23 28.09 20.13 13.55 8.60 5.78 4.57 3.95 3.58 3.33 3.16 3.03 2.94 2.88 2.83 2.79 SMV1253 CT (pF) 69.32 50.23 37.07 27.57 19.37 12.39 7.77 5.77 4.86 4.34 4.01 3.78 3.62 3.50 3.41 3.34 3.28 SMV1255 CT (pF) 81.21 58.28 43.27 31.49 21.50 13.40 8.51 6.51 5.58 5.07 4.76 4.58 4.46 4.39 4.33 4.29 4.26
SPICE Model
PORT P_anode port = 1 IND LS L = LS
Part Number SMV1247
DIODEM Diode_Model IS = 1.00e-14 RS = 0 N=1 TT = 0 CJO = CJO M=M VJ = VJ EG = 1.11 XTI = 3 KF =0 AF =1 FC = 0.5 BV = 0 IBV = 1e-3 ISR = 0 NR = 2 IKF = 0 NBV = 1 IBVL = 0 NBVL = 1 TBV1 = 0 TNOM = 27 FFE = 1
CJO (pF) 9.22 21.54 39.00 60.00 70.00 82.00
VJ (V) 13 13 17 17 17 17
M 10.5 10.5 14.0 14.0 14.0 13.0
CP (pF) 0 0 0 0 0 0
RS () 4.9 2.4 1.7 1.4 1.1 1.0
SMV1248 SMV1249 SMV1251 SMV1253 SMV1255
RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear
CAP CP C = CP
1. Model was designed to fit measured data in the range of up to 4 V. 2. For package inductance (LS) refer to package type. 3. For more details refer to the "Varactor SPICE Models for RF VCO Applications" Application Note.
PORT P_Cathode port = 2
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
December 07, 2004 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200061 Rev. B
DATA SHEET * SMV1247-SMV1255
Recommended Solder Reflow Profiles
Profile Feature Average ramp-up rate (TL to TP) Preheat Temperature min. (TSMIN) Temperature max. (TSMAX) Time (min. to max.) (ts) TSMAX to TL Ramp-up rate Time maintained above: Temperature (TL) Time (tL) Peak temperature (TP) Time within 5 C of actual peak temperature (tp) Ramp-down rate Time 25 C to peak temperature SnPb Eutectic Assembly 3 C/second max. 100 C 150 C 60-120 seconds -- 183 C 60-150 seconds 240 +0/-5 C 10-30 seconds 6 C/second max. 6 minutes max. Lead (Pb)-Free Assembly 100% Sn 3 C/second max. 150 C 200 C 60-80 seconds 3 C/second max. 217 C 60-150 seconds 250 +0/-5 C 20-40 seconds 6 C/second max. 8 minutes max.
All temperatures refer to the topside of the package, measured on the package body surface. Reference JEDEC J-STD-020B.
TP
tp Critical Zone TL to TL
TL IL TSMAX
Temperature
TSMIN ts Preheat
25 C t 25 C to Peak
Time
Reference JEDEC J-STD-020
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200061 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * December 07, 2004
5
DATA SHEET * SMV1247-SMV1255
SOT-23
0.110 (2.80 mm) Min. 0.120 (3.04 mm) Max.
3
SC-70
0.012 (0.30 mm) Min. 0.020 (0.50 mm) Max. 0.010 (0.25 mm) Min. 0.016 (0.40 mm) Max. 0.047 (1.20 mm) Min. 0.055 (1.40 mm) Max.
1 2
0.071 (1.80 mm) Min. 0.087 (2.20 mm) Max.
0.083 (2.10 mm) Min. 0.104 (2.64 mm) Max.
3 0.045 (1.15 mm) Min. 0.053 (1.35 mm) Max. 1 2 0.026 (0.65 mm) Ref.
0.071 (1.80 mm) Min. 0.094 (2.40 mm) Max.
0.037 (0.95 mm) Ref. 0.020 (0.51 mm) Ref. 0.076 (1.92 mm) Ref.
0.014 (0.35 mm) Ref. 0.051 (1.30 mm) Ref.
0.003 (0.080 mm) Min. 0.008 (0.20 mm) Max. 8 Max.
0.035 (0.89 mm) Min. 0.044 (1.12 mm) Max.
0.004 (0.10 mm) Min. 0.007 (0.18 mm) Max.
0.031 (0.80 mm) Min. 0.039 (1.00 mm) Max.
0.022 (0.55 mm) Ref.
0.0005 (0.01 mm) Min. 0.004 (0.10 mm) Max.
0.004 (0.10 mm) Min. 0.012 (0.30 mm) Max.
0.000 (0.00 mm) Min. 0.004 (0.10 mm) Max.
SOD-323
0.090 (2.30 mm) Min. 0.108 (2.74 mm) Max. 0.010 (0.25 mm) Min. 0.016 (0.40 mm) Max. 0.063 (1.60 mm) Min. 0.071 (1.80 mm) Max.
SC-79
Cathode Indicator 0.010 (0.25 mm) Min. 0.014 (0.35 mm) Max.
1
0.006 (0.15 mm) Min. 0.028 (0.70 mm) Min. 0.035 (0.90 mm) Max.
0.045 (1.15 mm) Min. 0.053 (1.35 mm) Max.
2
1
2
Cathode Indicator 0.008 (0.20 mm) Nom. 0.006 (0.15 mm) Typ.
0.060 (1.50 mm) Min. 0.067 (1.70 mm) Max. 0.043 (1.10 mm) Min. 0.051 (1.30 mm) Max.
0.050 (1.25 mm) Max. 10 Max. 0.003 (0.07 mm) Min. 0.008 (0.20 mm) Max. 10 Max.
0.004 (0.10 mm) Max. 0.010 (0.25 mm) Min.
0.020 (0.50 mm) Min. 0.028 (0.70 mm) Max.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6
December 07, 2004 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200061 Rev. B

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