PSSI2021SAY: Constant current source in SOT353 package

Resistor-equipped PNP transistor with two diodes on one chip in a SOT353 (SC-88A) plastic package. Stabilized output current of between 15 uA and 50 mA by connection of an external resistor between pins 4 and 5.

PSSI2021SAY: Product Block Diagram
PSSI2021SAY: Block Diagram
Outline 3d SOT353
Data Sheets (1)
Name/DescriptionModified Date
Constant current source in SOT353 package (REV 3.0) PDF (66.0 kB) PSSI2021SAY [English]11 Sep 2009
Package Information (1)
Name/DescriptionModified Date
plastic surface-mounted package; 5 leads (REV 1.0) PDF (245.0 kB) SOT353 [English]08 Feb 2016
Packing (1)
Name/DescriptionModified Date
Tape reel SMD; standard product orientation 12NC ending 115 (REV 1.0) PDF (191.0 kB) SOT353_115 [English]16 Nov 2012
Reliability and Quality Information (2)
Name/DescriptionModified Date
PSSI2021SAY NXP® Product Reliability (REV 1.1) PDF (82.0 kB) PSSI2021SAY_1 [English]31 Jan 2015
PSSI2021SAY NXP® Product Quality (REV 1.1) PDF (74.0 kB) PSSI2021SAY_NXP_PRODUCT_QUALITY [English]31 Jan 2015
Supporting Information (3)
Name/DescriptionModified Date
Reflow Soldering Profile (REV 1.0) PDF (34.0 kB) REFLOW_SOLDERING_PROFILE [English]30 Sep 2013
Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE [English]30 Sep 2013
MAR_SOT353 Topmark (REV 1.0) PDF (103.0 kB) MAR_SOT353 [English]03 Jun 2013
SPICE model
Ordering Information
ProductStatusPackage versionPackage nameSize (mm)Description
PSSI2021SAYActiveSOT353TSSOP52 x 1.25 x 0.95Constant Current Source
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateEFRIFR(FIT)MTBF(hour)MSLMSL LF
PSSI2021SAYSOT353Reflow_Soldering_Profile Wave_Soldering_Profile
Reflow_Soldering_Profile Wave_Soldering_Profile
Reel 7" Q1/T1ActivePSSI2021SAY,115 (9340 565 64115)S1%PSSI2021SAYweek 31, 2003153.00.711.41E911
Constant current source in SOT353 package PSSI2021SAY
PSSI2021SAY NXP® Product Reliability PSSI2021SAY
PSSI2021SAY NXP® Product Quality PSSI2021SAY
MAR_SOT353 Topmark 74LVC1G17_Q100
PSSI2021SAY SPICE model PSSI2021SAY
plastic surface-mounted package; 5 leads NX3L1G66GW-Q100
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Tape reel SMD; standard product orientation 12NC ending 115 pesd5v0v4ug
PZUXDB2_SERIES
PSSI2021SAY
NCX2202