High-voltage switching diode
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 |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
** 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
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High switching speed: trr ≤ 50 ns
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Low leakage current: IR ≤ 100 nA
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High reverse voltage: VR ≤ 200 V
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Low capacitance: Cd ≤ 2 pF
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Ultra small and leadless SMD plastic package
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AEC-Q101 qualified
Applications
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High-speed switching
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General-purpose switching
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Voltage clamping
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Reverse polarity protection
Parametrics
| Type number | Package version | Package name | Size (mm) | VR [max] (V) | IFSM [max] (A) | VF [max] (mV) | IR [max] (nA) | IFRM (mA) | Configuration | trr [max] (ns) | IF [max] (mA) | Cd [max] (pF) | Automotive qualified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BAS521B | SOD523 | SC-79 | 1.2 x 0.8 x 0.6 | 200 | 9.4 | 1250@IF=200mA | 100@VR=200V | 625 | single | 50 | 250 | 2 | Y |
PCB Symbol, Footprint and 3D Model
| Model Name | Description |
|---|---|
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| BAS521B | BAS521BF ( 9346 603 44135 ) | Active | S2 |  SC-79 (SOD523) | SOD523 | REFLOW_BG-BD-1 | SOD523_135 |
| BAS521BX ( 9346 603 44115 ) | Active | S2 | SOD523_115 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| BAS521B | BAS521BF | BAS521B |  |   |
| BAS521B | BAS521BX | BAS521B | | |
Documentation (7)
| File name | Title | Type | Date |
|---|---|---|---|
| BAS521B | High-voltage switching diode | Data sheet | 2018-06-29 |
| BAS521B_Nexperia_Product_Quality | BAS521B Nexperia Product Quality | Quality document | 2019-05-20 |
| BAS521B_Nexperia_Product_Reliability | BAS521B Nexperia Product Reliability | Quality document | 2023-04-04 |
| BAS521B | BAS521B SPICE model | SPICE model | 2018-05-25 |
| SOD523_135 | Reel pack for SMD, 11''; Q1/T1-Q2/T3 product orientation | Packing information | 2021-02-05 |
| SOD523_115 | Reel pack for SMD, 7''; Q1/T1-Q2/T3 product orientation | Packing information | 2021-02-05 |
| REFLOW_BG-BD-1 | Reflow soldering profile | Reflow soldering | 2021-04-06 |
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 |
|---|---|---|---|
| BAS521B | BAS521B SPICE model | SPICE model | 2018-05-25 |
PCB Symbol, Footprint and 3D Model
| Model Name | Description |
|---|---|
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Packing | Packing quantity | Buy online |
|---|---|---|---|---|---|
| BAS521B | BAS521BF | 934660344135 | SOD523_135 | - | Order product |
| BAS521B | BAS521BX | 934660344115 | SOD523_115 | - | 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.
How does it work?
The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.