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
Skyworks
Green
TM
products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to
Skyworks
Definition of Green
TM
, document number
SQ04–0074.
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, 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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200042AC • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 7, 2016
1
DATA SHEET • SMS392x SCHOTTKY DIODES
Table 1. SMS392x Series Packaging and Marking
Single
SC-79
Green™
SMS3922-079LF
Marking: Cathode and S3
Single
Series Pair
Dual Series Pair
SC-88
Green™
Single
SOD-882
Green™
SMS3922-040LF
Marking: V
SOT-23
SMS3922-001LF
Green™
Marking: XA1
SC-70
SMS3923-040LF
Marking: X
SMS3923-079LF
Marking: Cathode and S4
SMS3923-081LF
Marking: XBQ
♦
SMS3924-079LF
Marking: Cathode and S5
SMS3924-075LF
Green™
Marking: XC2
L
S
= 0.7 nH
L
S
= 1.5 nH
L
S
= 1.4 nH
L
S
= 1.8 nH
SMS3924-040LF
Marking: 1
L
S
= 0.45 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.
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 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.
Package Dimensions
Package dimensions are shown in Figures 7 to 15 (odd numbers),
and tape and reel dimensions are provided in Figures 8 to 16
(even numbers).
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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July 7, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200042AC
DATA SHEET • SMS392x SCHOTTKY DIODES
Table 2. SMS392x Series Absolute Maximum Ratings
1
Parameter
Reverse voltage
Forward current
Power dissipation @ 25
°C
lead temperature
Storage temperature
Operating temperature
Junction temperature
Electrostatic discharge:
Charged Device Model (CDM), Class 1
Human Body Model (HBM), Class 0
Machine Model (MM), Class A
at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
Symbol
c
I
F
P
D
T
STG
T
A
T
J
ESD
Minimum
Maximum
Rated V
B
50
75
Units
V
mA
mW
C
C
C
–65
–65
+150
+150
+150
<200
<50
<50
V
V
V
1 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
ESD HANDLING:
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 when handling or transporting. Static charges may easily produce
potentials of several kilovolts on the human body or equipment, which can discharge without detection.
Industry-standard ESD handling precautions should be used at all times.
Table 3. SMS392x Series Electrical Specifications
1
(T
A
= +25
C,
Per Junction Unless Otherwise Noted)
V
B
@ 10
μA
(V, Minimum)
8
20
70
C
T
@ 0 V
(pF)
0.63 to 1.03
0.83 to 1.30
1.43 to 1.83
V
F
@ 1 mA
(mV)
280 to 340
310 to 370
490 to 550
Pair Configuration
ΔV
F
@ 1 mA
(mV, Maximum)
10
10
10
V
F
,
Maximum
<450 mV @ 10 mA
<1000 mV @ 35 mA
<1000 mV @ 15 mA
Part Number
SMS3922 series
SMS3923 series
SMS3924 series
I
R
<100 nA @ 1 V
<500 nA @ 15 V
<200 nA @ 50 V
1 Performance is guaranteed only under the conditions listed in this table.
Table 4. SPICE Model Parameters
Parameter
I
S
R
S
N
TT
C
JO
M
E
G
XTI
F
C
B
V
Ibv
V
J
Units
A
Ω
–
sec
pF
–
eV
–
–
V
A
V
SMS3922 Series
3E-8
9
1.08
8E-11
0.7
0.26
0.69
2
0.5
20
1E-5
0.595
SMS3923 Series
5E-9
10
1.05
8E-11
0.9
0.24
0.69
2
0.5
46
1E-5
0.640
SMS3924 Series
2E-11
11
1.08
8E-11
1.5
0.40
0.69
2
0.5
100
1E-5
0.840
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200042AC • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 7, 2016
3
DATA SHEET • SMS392x SCHOTTKY DIODES
Pin
6
1.0 nH
0.07 pF
Pin 5
1.0 nH
0.07 pF
Pin 4
1.0 nH
6
5
4
0.3 nH
0.3 nH
0.3 nH
0.3 nH
0.07 pF
1
2
3
1.0 nH
1.0 nH
0.07 pF
1.0 nH
Pin 1
Pin 2
Pin 3
Pinout
Equivalent
Circuit
200042-001
Figure 1. SMS3923-081 Dual Series Pair Pinout and Equivalent Circuit
Typical Performance Characteristics
1.00
0.80
1.20
1.00
Capacitance (pF)
Capacitance (pF)
200042-002
0.80
0.60
0.40
0.20
0
0
5
10
15
20
200042-003
0.60
0.40
0.20
0
0
2
4
6
8
Reverse Voltage (V)
Reverse Voltage (V)
Figure 2. SMS3922 Series Total Capacitance vs Reverse Voltage
2.50
2.00
Figure 3. SMS3923 Series Total Capacitance vs Reverse Voltage
10000
155 °C
1.50
1.00
0.50
0
200042-004
Reverse
Current
(nA)
Capacitance (pF)
1000
85 °C
100
25 °C
200042-005
10
0
6
12
18
24
30
1
1
2
3
4
Reverse Voltage (V)
Reverse Voltage (V)
Figure 4. SMS3924 Total Capacitance vs Reverse Voltage
Figure 5. SMS3922 Reverse Current vs Reverse Voltage
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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July 7, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200042AC
DATA SHEET • SMS392x SCHOTTKY DIODES
0.9
0.8
Forward Voltage (V)
0.7
0.6
0.5
0.4
0.3
200042-006
0.2
0.1
0
0
5
10
15
20
25
30
35
40
Forward Bias Current (mA)
Figure 6. SMS3923-081LF Series Forward Voltage vs Forward Bias Current
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200042AC • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 7, 2016
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