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200042T • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice March 13, 2013 1
DATA SHEET
SMS392x Series: Surface Mount General Purpose Schottky
Diodes
Applications
High volume commercial detectors, mixers, switches, and
digital pulse forming systems
Features
Tight parameter distribution
Available as singles, pairs, and dual series pairs
100 percent DC tested
Packages rated MSL1, 260 °C per JEDEC J-STD-020
Description
The SMS3922, SMS3923, and SMS3924 series of 8, 20, and 70 V
rated, low-cost plastic packaged Schottky diodes are designed for
general purpose use in RF applications. All diodes are fully
characterized, including SPICE model parameters, and deliver
tight parameter distribution, which minimizes performance
variability.
Wiring configurations include singles, common cathode, series
pairs, unconnected pairs, and dual series pairs. The SMS392x
series of diodes may be used at frequencies up to 6 GHz.
Table 1 describes the various packages and marking of the
SMS392x series.
DATA SHEET • SMS392x SCHOTTKY DIODES
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Table 1. SMS392x Series Packaging and Marking
Single Single Single Common
Cathode
Series Pair Unconnected Pair Unconnected
Pair
Dual Series Pair Single
SC-79
Green™
SOD-323
Green™
SOT-23 SOT-23 SOT-23 SOT-143 MIS
Green™
SC-88
Green™
SOD-882
Green™
SMS3922-001
Marking: SA1
SMS3922-004
Marking: SA3
SMS3922-005
Marking: SA2
SMS3922-079LF
Marking: Cathode
SMS3922-011LF
Marking: XA
SMS3922-001LF
Green™
Marking: XA1
SMS3922-
004LF
Green™
Marking: XA3
SMS3922-005LF
Green™
Marking: XA2
SMS3922-015LF
Marking: XA7
SMS3922-
040LF
Marking: V
SMS3923-001
Marking: SB1
SMS3923-005
Marking: SB2
SMS3923-015
Marking: SB7
SMS3923-517
Marking: B
Pb-Free
SMS3923-
040LF
Marking: X
SMS3923-079LF
Marking: Cathode
SMS3923-
011LF
Marking: XB
SMS3923-001LF
Green™
Marking: XB1
SMS3923-005LF
Green™
Marking: XB2
SMS3923-015LF
Marking: XB7
SMS3923-
081LF
Marking: XBQ
SMS3924-
079LF
Marking: Cathode
SMS3924-005
Marking: SC2
SMS3924-015
Marking: SC7
SMS3924-005LF
Green™
Marking: XC2
SMS3924-015LF
Marking: XC7
SMS3924-
040LF
Marking: 1
LS = 0.7 nH LS = 1.5 nH LS = 1.5 nH LS = 1.5 nH LS = 1.5 nH LS = 1.4 nH LS = 0.6 nH LS = 1.8 nH LS = 0.45 nH
SC-70
SMS3924-075
Marking: SC2
SMS3924-075LF
Green™
Marking: XC2
LS = 1.4 nH
The Pb-free symbol or “LF” in the part number denotes a lead-free, RoHS-compliant package unless otherwise noted as Green™. Tin/lead (Sn/Pb) packaging is not recommended
for new designs.
Innovation to Go™
Select Linear Products (indicated by ) now available for purchase online.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SMS392x series are
provided in Table 2. Electrical specifications are provided in
Table 3. The associated SPICE model parameters are provided in
Table 4.
A pinout and equivalent circuit diagram for the dual series pair
Schottky diode (SMS3923-081LF) is shown in Figure 1. Typical
performance characteristics of the SMS392x series are illustrated
in Figures 2 to 6. Package dimensions are shown in Figures 7 to
21 (odd number), and tape and reel dimensions are provided in
Figures 8 to 22 (even numbers).
Package and Handling Information
Instructions on the shipping container label regarding exposure to
moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
The SMS392x series is rated to Moisture Sensitivity Level 1
(MSL1) at 260 °C for five seconds. It can be used for lead or lead-
free soldering. For additional information, refer to the Skyworks
Application Note, Solder Reflow Information, document number
200164. Care must be taken when attaching this product,
whether it is done manually or in a production solder reflow
environment. Production quantities of this product are shipped in a
standard tape and reel format.
DATA SHEET • SMS392x SCHOTTKY DIODES
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200042T • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice March 13, 2013 3
Table 2. SMS392x Series Absolute Maximum Ratings
Parameter Symbol Minimum Maximum Units
Reverse voltage c Rated VB V
Forward current IF 50 mA
Power dissipation @ 25 °C lead temperature PD 75 mW
Storage temperature TSTG 65 +150 °C
Operating temperature TA 65 +150 °C
Junction temperature TJ +150 °C
Electrostatic Discharge:
Charged Device Model (CDM), Class 1
Human Body Model (HBM), Class 0
Machine Model (MM), Class A
ESD
<200
<50
<50
V
V
V
Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
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 should be used at all times.
Table 3. SMS392x Series Electrical Specifications (Note 1)
(TA = +25 °C, Per Junction Unless Otherwise Noted)
Part Number VB @ 10 μA
(V, Minimum) IR CT @ 0 V
(pF)
VF @ 1 mA
(mV)
Pair Configuration
ΔVF @ 1 mA
(mV, Maximum)
VF,
Maximum
SMS3922 series 8 <100 nA @ 1 V 0.63 to 1.03 280 to 340 10 <450 mV @ 10 mA
SMS3923 series 20 <500 nA @ 15 V 0.83 to 1.23 310 to 370 10 <1000 mV @ 35 mA
SMS3924 series 70 <200 nA @ 50 V 1.43 to 1.83 490 to 550 10 <1000 mV @ 15 mA
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Table 4. SPICE Model Parameters
Parameter Units SMS3922 Series SMS3923 Series SMS3924 Series
IS A 3E-8 5E-9 2E-11
RS Ω 9 10 11
N 1.08 1.05 1.08
TT sec 8E-11 8E-11 8E-11
CJO pF 0.7 0.9 1.5
M 0.26 0.24 0.40
EG eV 0.69 0.69 0.69
XTI 2 2 2
FC 0.5 0.5 0.5
BV V 20 46 100
Ibv A 1E-5 1E-5 1E-5
VJ V 0.595 0.640 0.840
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 1. SMS3923-081 Dual Series Pair Pinout and Equivalent Circuit
Typical Performance Characteristics
Figure 2. SMS3922 Series Total Capacitance vs Reverse Voltage
Figure 4. SMS3924 Total Capacitance vs Reverse Voltage
Figure 3. SMS3923 Series Total Capacitance vs Reverse Voltage
Figure 5. SMS3922 Reverse Current vs Reverse Voltage
DATA SHEET • SMS392x SCHOTTKY DIODES
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200042T • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice March 13, 2013 5
Figure 6. SMS3923-081LF Series Forward Voltage vs Forward Bias Current
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 7. MIS (SMS3923-517) Package Dimension Drawing
Figure 8. MIS Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 9. SC-70 Package Dimension Drawing
Figure 10. SC-70 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 11. SC-79 Package Dimension Drawing
Figure 12. SC-79 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 13. SC-88 Package Dimension Drawing
Figure 14. SC-88 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 15. SOD-323 Package Dimension Drawing
Figure 16. SOD-323 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 17. SOT-23 Package Dimension Drawing
Figure 18. SOT-23 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 19. SOT-143 Package Dimension Drawing
Figure 20. SOT-143 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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Figure 21. SOD-882 Package Dimension Drawing
Figure 22. SOD-882 Tape and Reel Dimensions
DATA SHEET • SMS392x SCHOTTKY DIODES
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