SOT-143 Component Package
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Overview
The SOT-143
(Small-outline Transistor 143) is a smallish 4-pinned SMD package which is easily distinguishable by having one wider lead compared with the other 3.
Synonyms
Variants
SOT-143
SOT-143B
(used for RF BJTs, unsure on difference toSOT-143
)SOT-143R
(used for RF BJTs, unsure on difference toSOT-143
)
Dimensions
- Body Length
D
: 2.9mm2 - Body Width
E1
: 1.3mm (excl. leads)2 3 - Total Width
E
: 2.4mm (incl. leads)3 - Height (avg.): 1.0mm3
Pitch is 1.92mm (between centers of leads on same side, excluding larger lead3).
Recommended Land Pattern
Typical PCB Land Area: \(7.29mm^2\ (2.7\times 2.7mm)\)2.
Common Uses
- TVS diodes
- PMIC supervisors
References
DigiKey. PMIC - Supervisors > STMicroelectronics STM6315RBW13F (product page). Retrieved 2022-04-26, from https://www.digikey.co.nz/en/products/detail/stmicroelectronics/STM6315RBW13F/1117553. ↩︎
Infineon. Packages > PG-SOT143 > PG-SOT143-4-4. Retrieved 2022-04-26, from https://www.infineon.com/cms/en/product/packages/PG-SOT143/PG-SOT143-4-4/. ↩︎ ↩︎ ↩︎ ↩︎
ST Microelectronics (2007, Mar). STM6315: Open drain microprocessor reset (datasheet). Retrieved 2022-04-26, from https://www.st.com/content/ccc/resource/technical/document/datasheet/64/6b/44/43/61/e6/41/d5/CD00081393.pdf/files/CD00081393.pdf/jcr:content/translations/en.CD00081393.pdf. ↩︎ ↩︎ ↩︎ ↩︎ ↩︎
Analog Devices. 4-Lead Small Outline Transistor Package [SOT-143] (RA-4). Retrieved 2022-04-26, from https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/sot-143ra/ra_4.pdf. ↩︎
Authors
This work is licensed under a Creative Commons Attribution 4.0 International License .
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