Resistors

Modified: 23 January, 2021

Schematic symbols, series and parallel behaviour, manufacturing processes, the E series, tolerances, variable resistors, volume resistance and more info about the electrical components called resistors.

Passive Filters

Modified: 23 January, 2021

A tutorial on passive electronic filters, including low-pass/high-pass RC, LC and RLC filters.

Ferrite Beads

Modified: 22 January, 2021

Impedance graphs, schematic symbols, important datasheet parameters, uses, example circuits and more info on ferrite beads.

Digital-to-Analogue Converters (DACs)

Modified: 21 January, 2021

Architectures, how to read the datasheets, manufacturer part numbers and more info about Digital-to-Analogue Converters (DACs).

Connectors

Modified: 20 January, 2021

Terminology, types, manufacturers, common usages and more info on electrical connectors.

COMPONENT PACKAGES

SOT-902 Component Package

Date Published:	April 6, 2015
Last Modified:	April 6, 2015

Overview

Name	SOT-902 (Small Outline Transistor 902)
Synonyms	XQFN8U (NXP RFID)
Variants	SOT-902-1 (XQFN8U) SOT-902-2 (XQFN8) SOT-902-3 (XQFN8)
Similar To	SOIC SOT-1193
Mounting	SMD
Pin Count	8
Pitch	?
Solderability	Very hard to solder by hand.
Thermal Resistance	?
Land Area	2.56mm (1.6x1.6mm)
Height	0.5mm²
3D Models	?
Common Uses	RFID tag chips (e.g. the some of the NXP UCODE G2il chips)

Comments

NXP seems to be the only manufacturer who uses this package.

Photos

A photo of the SOT-902 component package.

Dimensions

Recommended Land Pattern/Footprint

The land pattern for the SOT-902-3 component package. Image from http://www.nxp.com/documents/reflow_soldering/sot902-3_fr.pdf.

Tags:

comments powered by Disqus