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DATA SHEET
SMP1304 Series: Low-Distortion Attenuator Plastic Packaged PIN Diodes
Features
Low-distortion design Frequency range from HF to > 2 GHz Designed for base station applications Configured for PI and TEE attenuators Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 C(1) per JEDEC J-STD-020

Description
The SMP1304 series of plastic packaged, surface mountable, low capacitance (0.3 pF), silicon PIN diodes is designed for use in attenuator applications from 5 MHz to beyond 2 GHz. The thick 100 m I region of these PIN diodes makes them very attractive for use in low-distortion PI and TEE attenuators commonly used in TV distribution applications. The 1 s typical carrier lifetime of these diodes results in resistance of 20 maximum at 1 mA and 7 maximum at 10 mA. Available in a selection of plastic packages: as a single diode in the small footprint SOD-323 package and in a variety of configurations in the SOT-23 package, including a low inductance (0.4 nH) SMP1304-007 package. Also available in the SOT-143 package are three diode junctions designed for insertion in TEE attenuators (SMP1304-018) and PI attenuators (SMP1304-019). Also available in a SOT-5 (SMP1304-027) package as a four-diode array designed for insertion in the commonly used four-diode PI attenuator circuit.
Absolute Maximum Ratings
Characteristic Reverse voltage (VR) Power dissipation @ 25 C lead temperature (PD) Storage temperature (TST) Operating temperature (TOP) ESD human body model Value 200 V 250 mW -65 C to +150 C -65 C to +150 C Class 1C
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.
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
CAUTION: Although this device is designed to be as robust as possible, ESD (Electrostatic Discharge) 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.
1. SOT-5 (-027) MSL to be defined.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200044 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 23, 2006
1
DATA SHEET * SMP1304 SERIES
Single SOT-23 SMP1304-001 Marking: PG1 SMP1304-001LF Marking: RG1 LS = 1.5 nH
Common Cathode SOT-23 SMP1304-004 Marking: PG3 SMP1304-004LF Marking: RG3 LS = 1.5 nH
Series Pair SOT-23 SMP1304-005 Marking: PG2 SMP1304-005LF Marking: RG2 LS = 1.5 nH
Low Inductance SOT-23 SMP1304-007 Marking: PGB SMP1304-007LF Marking: RGB LS = 0.4 nH
Single SOD-323 SMP1304-011 Marking: PG SMP1304-011LF Marking: RG LS = 1.5 nH
PI SOT-143 SMP1304-019 Marking: PGJ SMP1304-019LF Marking: RGJ
PI SOT-5 SMP1304-027 Marking: PGM SMP1304-027LF Marking: RGM
LF denotes lead (Pb)-free, RoHS-compliant packaging option as an alternative to our standard tin/lead (Sn/Pb) packaging.
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Electrical Specifications at 25 C
Parameter Reverse current (IR) Capacitance (CT)(1) Resistance (RS) Resistance (RS) Resistance (RS) Forward voltage (VF) Carrier lifetime (TI) I region width
1. The SMP1304-019 and SMP1304-027 maximum capacitance is 0.45 pF.
Condition VR = 200 V F = 1 MHz, V = 30 V F = 100 MHz, I = 1 mA F = 100 MHz, I = 10 mA F = 100 MHz, I = 100 mA IF = 10 mA IF = 10 mA
Typ.
Max. 10 0.3
Unit A pF V s m
40
50 7 2
0.8 1 100
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
February 23, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200044 Rev. C
DATA SHEET * SMP1304 SERIES
Typical Performance Data
10000 1000 100
Series Resistance ()
100 10 1 0.1 0.01
Forward Current (mA)
0.1 1 10 100
10
1
0.1
0.01 400 500 600 700 800 900 1000
Forward Current (mA)
Forward Voltage (mV)
Series Resistance vs. Current @ 100 MHz
0.8 0.7 400 350 300
DC Characteristic
Capacitance (pF)
0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 5 10 20 50 100 100 MHz 1 GHz 1 MHz
Conductance (S)
250 200 150 10 V 100 50 0 0 500 1000 1500 2000 40 V 0V
Reverse Voltage (V)
Frequency (MHz)
Capacitance vs. Reverse Voltage
Conductance vs. Frequency and Reverse Voltage
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200044 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 23, 2006
3
DATA SHEET * SMP1304 SERIES
Resistance vs. Temperature @ 100 MHz
IF (mA) 0.02 0.1 0.3 1 10 20 100 R -55 C () 1590 315 108 34.5 4.8 3 1.3 R -15 C () 1660 340 118 37.9 5.3 3.3 1.4 R 25 C () 1752 367 128 41.6 5.8 3.6 1.5 R 65 C () 1770 396 141 46.3 6.6 4.1 1.7 R 100 C () 1760 409 147 48.8 7 4.3 1.8
SMP1304-019 PI Attenuator PIN Diodes
The SMP1304-019 employs three PIN diode junctions in a SOT-143 package. They are configured for ease of insertion in PI attenuator circuits commonly used from 10 MHz to beyond 1 GHz. The SMP1304 PIN diode junction was designed for low capacitance, wide resistance dynamic range, and low distortion performance.
3
1
4
3
SMP1304-007
In the -007 configuration of the SOT-23 package, the package inductance is effectively reduced to 0.4 nH, in comparison to the 1.5 nH value of the standard configuration. This lower inductance will be particularly beneficial when the diodes are used as shunt connected switches at frequencies higher than 500 MHz, where inductance is the primary limitation on maximum switch isolation. To achieve the effective 0.4 nH, the SOT-23 package must be inserted in the microstrip circuit board with a gap in the trace, as shown in the figure. Because of the polarity of the diode junction, this low inductance feature is realizable only with the cathode connected to ground.
Gap 2 4 1 2
SMP1304-019 (PI)
Recommended Solder Reflow Profiles
Refer to the "Recommended Solder Reflow Profile" Application Note.
Tape and Reel Information
Refer to the "Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation" Application Note.
Ground
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
February 23, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200044 Rev. C
DATA SHEET * SMP1304 SERIES
SOT-23
0.110 (2.80 mm) Min. 0.120 (3.04 mm) Max.
3
SOD-323
0.012 (0.30 mm) Min. 0.020 (0.50 mm) Max. 0.047 (1.20 mm) Min. 0.055 (1.40 mm) Max.
1 2
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.
0.083 (2.10 mm) Min. 0.104 (2.64 mm) Max.
0.045 (1.15 mm) Min. 0.053 (1.35 mm) Max.
1
2
0.037 (0.95 mm) Ref. 0.020 (0.51 mm) Ref. 0.076 (1.92 mm) Ref.
Cathode Indicator 0.008 (0.20 mm) Nom.
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.
0.006 (0.15 mm) Typ.
0.050 (1.25 mm) Max.
0.004 (0.10 mm) Max. 0.022 (0.55 mm) Ref. 0.0005 (0.01 mm) Min. 0.004 (0.10 mm) Max. 0.010 (0.25 mm) Min.
SOT-143
0.110 (2.80 mm) Min. 0.120 (3.04 mm) Max. 0.020 (0.50 mm) Ref. 4 0.083 (2.10 mm) Min. 0.104 (2.64 mm) Max. 1 0.068 (1.72 mm) Ref. 0.028 (0.70 mm) Ref. 0.030 (0.76 mm) Min. 0.035 (0.89 mm) Max. 0.031 (0.80 mm) Min. 0.047 (1.20 mm) Max. 0.012 (0.30 mm) Min. 0.020 (0.50 mm) Max. 2 3 0.076 (1.92 mm) Ref.
SOT-5
0.074 (1.90 mm) Ref. 5 4
0.069 (1.75 mm) 0.052 (1.30 mm) 3
0.118 (3.00 mm) 0.087 (2.20 mm)
1 0.020 (0.51 mm) 0.014 (0.35 mm) 0.012 (0.30 mm) 0.000 (0.00 mm) Min. 0.064 (1.63 mm) 0.035 (0.90 mm)
2
0.037 (0.95 mm) Ref. 0.012 (0.30 mm) Typ. 0.024 (0.61 mm) 0.004 (0.10 mm)
0.047 (1.20 mm) Min. 0.055 (1.40 mm) Max. 0.003 (0.08 mm) Min. 8 Max. 0.008 (0.20 mm) Max.
0.022 (0.55 mm) Ref.
0.0005 (0.01 mm) Min. 0.004 (0.15 mm) Max.
0.122 (3.10 mm) 0.106 (2.70 mm)
0.0104 (0.26 mm) 0.0035 (0.09 mm) Min.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200044 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 23, 2006
5
DATA SHEET * SMP1304 SERIES
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February 23, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200044 Rev. C

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