Features and benefits
- High switching speed: trr ≤ 50 ns
- Low capacitance: Cd ≤ 2 pF
- Low leakage current
- Very small SMD plastic package
- High reverse voltage: VR ≤ 250 V
- AEC-Q101 qualified
Applications
- High-speed switching
- Voltage clamping
- General-purpose switching
- 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BAS21AW | SOT323 | SC-70 | 2 x 1.25 x 0.95 | 200 | 9 | 1250@IF=200mA | 100@VR=200V | 625 | dual c.a. | 50 | 225 | 2 |
| BAS21SW | SOT323 | SC-70 | 2 x 1.25 x 0.95 | 200 | 9 | 1000@IF=100mA | 100@VR=200V | 625 | dual series | 50 | 225 | 2 |
| BAS21W | SOT323 | SC-70 | 2 x 1.25 x 0.95 | 200 | 9 | 1000@IF=100mA | 100@VR=200V | 625 | single | 50 | 250 | 2 |
Package
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| BAS21AW |  SC-70 (SOT323) | SOT323 | WAVE_BG-BD-1 | Reel 7” Q1/T1 or Q2/T3 | Active | X6% | BAS21AW,115 ( 9340 632 69115 ) |
| BAS21SW | SC-70 (SOT323) | SOT323 | WAVE_BG-BD-1 | Reel 7” Q1/T1 or Q2/T3 | Active | X5% | BAS21SW,115 ( 9340 632 71115 ) |
| BAS21W | SC-70 (SOT323) | SOT323 | WAVE_BG-BD-1 | Reel 7” Q1/T1 or Q2/T3 | Active | X4% | BAS21W,115 ( 9340 632 68115 ) |
Quality, reliability & chemical content
| Type number | Orderable part number | Chemical content | RoHS / RHF | Leadfree conversion date | MSL | MSL leadfree |
|---|---|---|---|---|---|---|
| BAS21AW | BAS21AW,115 | BAS21AW |   | Always Pb-free | 1 | 1 |
| BAS21SW | BAS21SW,115 | BAS21SW | | Always Pb-free | 1 | 1 |
| BAS21W | BAS21W,115 | BAS21W | | Always Pb-free | 1 | 1 |
Documentation (6)
| File name | Title | Type | Date |
|---|---|---|---|
| BAS21W_SER | High-voltage switching diodes | Data sheet | 2018-08-28 |
| LSYMDIO | Letter Symbols - Diodes General | Design support | 1999-04-30 |
| Nexperia_Selection_guide_2020 | Nexperia Selection Guide 2020 | Selection guide | 2020-01-31 |
| Nexperia_Selection_guide_2021 | Nexperia Selection Guide 2021 | Selection guide | 2021-01-08 |
| SOT323 | plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm body | Package information | 2020-04-21 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
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.
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.