SM2T14A footprint, schematic symbol and 3D model by STMicroelectronics

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SM2T14A - STMicroelectronics PCB footprint - Other - Other - STmite_2026-1.2

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Part Number SM2T14A
Manufacturer STMicroelectronics
Pin Count 2
Part Category TVS Diode (Uni-directional)
Package Category Other
Footprint Name Other - STmite_2026-1.2
Released Date Jan 23, 2026
Last Modified Date Feb 3, 2026 10:41 PM UTC
Pinout / Pin List Click Here (Member Only)

SM2T14A Details

Manufacturer Part Number:
SM2T14A
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
DO-216AA
Package Description:
STMITE PACKAGE-2
Pin Count:
2
ECCN Code:
EAR99
HTS Code:
8541.10.00.50
Manufacturer:
STMicroelectronics
YTEOL:
0
Breakdown Voltage-Min:
13.3 V
Case Connection:
CATHODE
Clamping Voltage-Max:
19.9 V
Configuration:
SINGLE, 1 CHANNEL
Diode Element Material:
SILICON
Diode Type:
TRANS VOLTAGE SUPPRESSOR DIODE
JEDEC-95 Code:
DO-216AA
JESD-30 Code:
S-PSSO-G1
JESD-609 Code:
e3
Moisture Sensitivity Level:
1
Non-rep Peak Rev Power Dis-Max:
200 W
Number of Elements:
1
Number of Terminals:
1
Operating Temperature-Max:
150 °C
Package Body Material:
PLASTIC/EPOXY
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Polarity:
UNIDIRECTIONAL
Power Dissipation-Max:
2.5 W
Qualification Status:
Not Qualified
Rep Pk Reverse Voltage-Max:
12 V
Reverse Current-Max:
1 µA
Reverse Test Voltage:
12 V
Surface Mount:
YES
Technology:
AVALANCHE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Position:
SINGLE
Time@Peak Reflow Temperature-Max (s):
30

SM2T14A Frequently Asked Questions (FAQs)

STMicroelectronics provides a recommended PCB layout in the application note AN5046, which includes guidelines for thermal pad connection, copper pouring, and via placement to ensure optimal thermal performance.
The input capacitor selection depends on the input voltage, current, and frequency. A general guideline is to choose a capacitor with a voltage rating higher than the maximum input voltage, a capacitance value between 10uF to 100uF, and a low ESR (Equivalent Series Resistance) to minimize voltage ripple and ensure stable operation.
The maximum allowed voltage drop across the internal resistance of the SM2T14A is typically around 1.5V to 2V, depending on the specific application and operating conditions. Exceeding this voltage drop may lead to reduced efficiency, increased heat generation, or even device failure.
The SM2T14A is rated for operation up to 150°C, but it's essential to consider the derating curves and thermal management strategies to ensure reliable operation in high-temperature environments. Consult the datasheet and application notes for specific guidance.
To ensure EMC, follow the guidelines in the application note AN5046, which includes recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference (EMI) and ensure compliance with relevant standards.

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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