250 mA LED driver in SOT223
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
- Stabilized output current of 10 mA without external resistor
- Stabilized output current adjustable up to 250 mA when an external resistor is used
- High current accuracy at supply voltage variation
- Low voltage overhead of 1.4 V
- Reduces component count and board space
- High power dissipation of 1250 mW
- Supply voltage up to 16 V
- Digital PWM input up to 10 kHz frequency for NCR321Z
- AEC-Q101 qualified
Applications
- Constant LED driver
- Generic constant current source
- Automotive applications (for example: interior lighting, dash board, instrumentation, number plate light)
- Increase stabilized output current by paralleling drivers
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 |
|---|---|---|---|---|---|---|---|---|
| NCR321Z | SOT223 | SC-73 | 6.5 x 3.5 x 1.65 | 16 | 250 | 11 | 1250 | NPN |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| NCR321Z | NCR321ZX ( 9340 703 31115 ) | Active | CR321Z |  SC-73 (SOT223) | SOT223 | Reel 7” Q1/T1 or Q2/T3 |
Quality, reliability & chemical content
| Type number | Orderable part number | Chemical content | RoHS / RHF | MSL | MSL leadfree |
|---|---|---|---|---|---|
| NCR321Z | NCR321ZX | NCR321Z |   | 1 | 1 |
Documentation (6)
| File name | Title | Type | Date |
|---|---|---|---|
| NCR320Z_NCR321Z | 250 mA LED driver in SOT223 | Data sheet | 2019-02-04 |
| 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 |
| NCR321Z_Nexperia_Product_Quality | NCR321Z Nexperia Product Quality | Quality document | 2019-05-20 |
| NCR321Z_Nexperia_Product_Reliability | NCR321Z Nexperia Product Reliability Quality document | Quality document | 2020-03-11 |
| NCR321Z | NCR321Z 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 |
|---|---|---|---|
| NCR321Z | NCR321Z SPICE model | SPICE model | 2020-11-11 |
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Packing | Buy online |
|---|---|---|---|---|
| NCR321Z | NCR321ZX | 934070331115 | 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.