Constant current source in SOT353 package
Buy from Nexperia
| SKU | Stock* | MOQ | Price per unit** | Quantity |
|---|
Buy from distributors
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
* Stock values are subject to change
** Displayed price per unit is based on small quantity orders
*** Authorized resellers for overstock, mature, and discontinued products which are warranted for reliability by the reseller, no longer by Nexperia
** Displayed price per unit is based on small quantity orders
*** Authorized resellers for overstock, mature, and discontinued products which are warranted for reliability by the reseller, no longer by Nexperia
Features and benefits
- One chip integrated constant current source
- Output current setting by use of an external resistor
- Very small package
- Reduces component count and board space
- AEC-Q101 qualified
Applications
- Automotive applications
- Generic constant current source
- Constant current LED driver
- Active bias control for audio amplifiers
Parametrics
| Type number | Package version | Package name | Size (mm) | VSUP [max] (V) | Limiting IO with external resistor [max] (mA) | IO [max] (mA) | Ptot [max] (mW) | Polarity |
|---|---|---|---|---|---|---|---|---|
| PSSI2021SAY | SOT353 | TSSOP5 | 2.1 x 1.25 x 0.95 | 75 | 50 | 0.02 | 335 | PNP |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| PSSI2021SAY | PSSI2021SAY,115 ( 9340 565 64115 ) | Active | S1% |  TSSOP5 (SOT353) | SOT353 | Reel 7” Q1/T1 or Q2/T3 |
Quality, reliability & chemical content
| Type number | Orderable part number | Chemical content | RoHS / RHF | MSL | MSL leadfree |
|---|---|---|---|---|---|
| PSSI2021SAY | PSSI2021SAY,115 | PSSI2021SAY |   | 1 | 1 |
Documentation (6)
| File name | Title | Type | Date |
|---|---|---|---|
| PSSI2021SAY | Constant current source in SOT353 package | Data sheet | 2009-09-10 |
| Nexperia_document_factsheet_LED_Driver_2020 | Constant current LED Drivers | Leaflet | 2020-08-18 |
| Nexperia_document_factsheet_LED_Driver_2020_CHN | LED Driver Factsheet CHN | Leaflet | 2020-08-20 |
| PSSI2021SAY_Nexperia_Product_Quality | PSSI2021SAY Nexperia Product Quality | Quality document | 2019-05-20 |
| PSSI2021SAY_Nexperia_Product_Reliability | PSSI2021SAY Nexperia Product Reliability Quality document | Quality document | 2020-03-11 |
| PSSI2021SAY | PSSI2021SAY SPICE model | SPICE model | 2020-11-11 |
Support
If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| PSSI2021SAY | PSSI2021SAY SPICE model | SPICE model | 2020-11-11 |
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Packing | Buy online |
|---|---|---|---|---|
| PSSI2021SAY | PSSI2021SAY,115 | 934056564115 | Reel 7” Q1/T1 or Q2/T3 | Order product |
Sample
As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.
Sample orders normally take 2-4 days for delivery.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.