ALPHA SMS3922-001, SMS3922-004, SMS3922-005, SMS3922-015, SMS3922-075 Datasheet
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Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 1
Specifications subject to change without notice. 1/00A
Surface Mount General
Purpose Schottky Diodes
Features
■ Tight Parameter Distribution
■ Available as Singles and Pairs
■ 100% DC Tested
■ Designed for High Volume Commercial
Applications
■ Available in Tape and Reel Packaging
Description
This series of 8, 20 and 70 V rated low cost plastic packaged
Schottky diodes are designed for general purpose use in RF
applications as detectors, mixers and switches and in digital
pulse forming applications. All diodes are fully characterized
including SPICE model parameters and deliver tight
parameter distribution, minimizing performance variability.
They are available in SC-70, SC-79, SOD-323, SOT-23 and
SOT-143 packages. Wiring configurations include singles,
common cathode, series pairs and unconnected pairs.
Available in tape and reel for pick and place manufacturing.
Characteristic Value
Reverse Voltage (VR) Rated V
B
Forward Current - Steady State (IF) 50 mA
Forward Current - 1 mS Pulse (IF)1A
Power Dissipation (PD) 75 mW
Storage Temperature (TST) -65°C to +150°C
Operating Temperature (TOP) -65°C to +150°C
Junction Temperature (TJ) 150°C
Soldering Temperature 260°C for 5 Seconds
ESD Human Body Model Class 1B
Absolute Maximum Ratings
Single Single Single Common Cathode Series Pair Unconnected Pair
SC-79 SOD-323 SOT-23 SOT-23 SOT-23 SOT-143
♦ SMS3922-079 ♦ SMS3922-011 ♦ SMS3922-001 ♦ SMS3922-004 ♦ SMS3922-005 ♦ SMS3922-015
Cathode Mark Cathode Mark Marking: SA1 Marking: SA3 Marking: SA2 Marking: SA7
♦ SMS3923-079 ♦ SMS3923-011 ♦ SMS3923-001 ♦ SMS3923-004 ♦ SMS3923-005 ♦ SMS3923-015
Cathode Mark Cathode Mark Marking: SB1 Marking: SB3 Marking: SB2 Marking: SB7
♦ SMS3924-079 ♦ SMS3924-011 ♦ SMS3924-001 ♦ SMS3924-004 ♦ SMS3924-005 ♦ SMS3924-015
Cathode Mark Cathode Mark Marking: SC1 Marking: SC3 Marking: SC2 Marking: SC7
LS= 0.7 nH LS= 1.5 nH LS= 1.5 nH LS= 1.5 nH LS= 1.5 nH LS= 1.5 nH
SC-70
♦ SMS3922-075
Marking: SA2
♦ SMS3923-075
Marking: SB2
♦ SMS3924-075
Marking: SC2
LS= 1.4 nH
♦ Available through distribution.
2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 1/00A
Surface Mount General Purpose Schottky Diodes
0
0.20
0.40
0.60
0.80
1.00
02468
Reverse Voltage (V)
SMS3922 Total Capacitance vs.
Reverse Voltage
Capacitance (pF)
SMS3924 Total Capacitance vs.
Reverse Voltage
0
0.50
1.00
1.50
2.00
2.50
0 6 12 18 24 30
Reverse Voltage (V)
Capacitance (pF)
SMS3923 Total Capacitance vs.
Reverse Voltage
0
0.20
0.40
0.60
0.80
1.00
1.20
0 5 10 15 20
Reverse Voltage (V)
Capacitance (pF)
1
10
100
1000
10000
1234
Reverse Voltage (V)
Reverse Current (nA)
155C
85C
25C
SMS3922 Reverse Current vs.
Reverse Voltage
Typical Performance Data
Electrical Specifications at 25°C
Pair Configuration
Part Number VB@ 10 µµA (V) I
R
CT@ 0 V (pF) VF@ 1 mA (mV) (b) VF@ 1 mA (mV) V
F
Min. Max. Max.
SMS3922 Series 8 @ 1 V < 100 nA 0.63–1.03 280–340 10 @ 10 mA < 450 mV
SMS3923 Series 20 @ 15 V < 500 nA 0.83–1.23 310–370 10 @ 35 mA < 1000 mV
SMS3924 Series 70 @ 50 V < 200 nA 1.43–1.83 490–550 10 @ 15 mA < 1000 mV
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