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BAS101S-QR
Small Signal Diode, Dual Series, 300 V, 200 mA, 1.1 V, 50 ns, 9 A
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- Manufacturer: NEXPERIA
- Product type: Small Signal Diodes
- SVHC: No SVHC (25-Jun-2025)
- No. of Pins: 3Pins
- Product Range: -
- Qualification: -
- Diode Mounting: Surface Mount
- Diode Case Style: SOT-23
- Diode Configuration: Dual Series
- Forward Voltage Max: 1.1V
- Forward Surge Current: 9A
- Reverse Recovery Time: 50ns
- Average Forward Current: 200mA
- Operating Temperature Max: 150°C
- Repetitive Peak Reverse Voltage: 300V
| Delivery and price | |
|---|---|
| Units per pack | 5000 |
| Price | 0.086 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
**High-voltage switching diodes** ## **BAS101; BAS101S** **Rev. 02 — 14 December 2009** **Product data sheet** ## **1. Product profile** ## **1.1 General description** High-voltage switching diodes, encapsulated in a SOT23 small Surface-Mounted Device (SMD) plastic package. |Device (SMD) plastic package.|Device (SMD) plastic package.||| |---|---|---|---| |**Table 1.**<br>**Product overview**|||| |**Type number**<br>**Package**<br>**Nexperia**<br>~~fp~~||**JEITA**|**Configuration**| |BAS101|SOT23|-|single| |BAS101S|SOT23|-|dual series| ## **1.2 Features** High switching speed: trr ≤ 50 ns Low leakage current Repetitive peak reverse voltage: VRRM ≤ 300 V Low capacitance: Cd ≤ 2 pF Reverse voltage: VR ≤ 300 V Small SMD plastic package ## **1.3 Applications** High-speed switching High-voltage switching Voltage clamping Reverse polarity protection ## **1.4 Quick reference data** **Table 2. Quick reference data** |**Symbol**|**Parameter**|**Conditions**||**Min**|**Typ**|**Max**|**Unit**| |---|---|---|---|---|---|---|---| |**Per diode**|||||||| |IF|forward current|||-|-|200|mA| |IR|reverse current|VR= 250 V||-|-|150|nA| |VR|reverse voltage|||-|-|300|V| |trr|reverse recovery time||[1]|-|-|50|ns| [1] When switched from IF = 30 mA to IR = 30 mA; RL = 100 Ω; measured at IR = 3 mA. **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **2. Pinning information** **Table 3. Pinning** |**Pin**|**Description**|**Simplified outline**|**Simplified outline**|**Simplified outline**|**Symbol**|**Symbol**|**Symbol**|**Symbol**|**Symbol**||||||| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| |**BAS101**|||||||||||||||| |1|anode||||||||||||||| |2|not connected||3|||||||3|||||| |3|cathode|||||1|||||||2||| |||1<br>2||||||||_006aaa764_|||||| |**BAS101S**|||||||||||||||| |1|anode (diode 1)||||||||||||||| |2|cathode (diode 2)||3|||||||3|||||| |3|cathode (diode 1),<br>anode (diode 2)|1<br>2|||||||||||||| ||||||||||||||||| ||||||||1|||||2|||| ||||||||||||_006aaa763_||||| ## **3. Ordering information** |**Table 4.**<br>**Ordering information**|**Table 4.**<br>**Ordering information**|**Table 4.**<br>**Ordering information**|**Table 4.**<br>**Ordering information**| |---|---|---|---| |**Type number**|**Package**||| ||**Name**|**Description**|**Version**| |BAS101|-<br>plastic surface-mounted package; 3 leads<br>SOT23||| |BAS101S|||| ## **4. Marking** **Table 5. Marking codes** |**Type number**|**Marking code[1]**| |---|---| |BAS101|*HQ| |BAS101S|*HR| - [1] * = -: made in Hong Kong - = p: made in Hong Kong - = t: made in Malaysia - = W: made in China BAS101_BAS101S **Product data sheet** © Nexperia B.V. 2009. All rights reserved. **Rev. 02 — 14 December 2009** **2 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **5. Limiting values** **Table 6. Limiting values** _In accordance with the Absolute Maximum Rating System (IEC 60134)._ |**Symbol**<br>**Parameter**|**Conditions**<br>**Min**<br>**Max**<br>**Unit**| |---|---| |**Per diode**|| |VRRM<br>repetitive peak reverse<br>voltage|-<br>300<br>V| ||series connection<br>-<br>600<br>V| |VR<br>reverse voltage|-<br>300<br>V| ||series connection<br>-<br>600<br>V| |IF<br>forward current|-<br>200<br>mA| ||series connection<br>-<br>100<br>mA| |IFRM<br>repetitive peak forward<br>current|tp≤1 ms;<br>δ ≤0.25<br>-<br>1<br>A| |IFSM<br>non-repetitive peak forward<br>current|square wave;<br>tp≤1μs<br>[1]<br>-<br>9<br>A| |**Per device**|| |Ptot<br>total power dissipation|Tamb≤25°C<br>[2]<br>-<br>250<br>mW| |Tj<br>junction temperature|-<br>150<br>°C| |Tamb<br>ambient temperature|−65<br>+150<br>°C| |Tstg<br>storage temperature|−65<br>+150<br>°C| [1] Tj = 25 °C prior to surge [2] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint. ## **6. Thermal characteristics** ## **Table 7. Thermal characteristics** |**Symbol**|**Parameter**|**Conditions**||**Min**|**Typ**|**Max**|**Unit**| |---|---|---|---|---|---|---|---| |**Per device**|||||||| |Rth(j-a)|thermal resistance from|in free air|[1]|-|-|500|K/W| ||junction to ambient||||||| - [1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint. BAS101_BAS101S © Nexperia B.V. 2009. All rights reserved. **Product data sheet** **Rev. 02 — 14 December 2009** **3 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **7. Characteristics** ## **Table 8. Characteristics** ## _Tamb = 25_ ° _C unless otherwise specified._ |**Symbol**<br>**Parameter**|**Conditions**<br>**Min**<br>**Typ**<br>**Max**<br>**Unit**| |---|---| |**Per diode**|| |VF<br>forward voltage|IF= 100 mA<br>[1]<br>-<br>-<br>1.1<br>V| |IR<br>reverse current|VR= 250 V<br>-<br>-<br>150<br>nA| ||VR= 250 V; Tj= 150°C<br>-<br>-<br>100<br>μA| |Cd<br>diode capacitance|VR= 0 V; f = 1 MHz<br>-<br>-<br>2<br>pF| |trr<br>reverse recovery time|[2]<br>-<br>-<br>50<br>ns| [1] Pulse test: tp ≤ 300 μs; δ ≤ 0.02. [2] When switched from IF = 30 mA to IR = 30 mA; RL = 100 Ω; measured at IR = 3 mA. BAS101_BAS101S **Product data sheet** © Nexperia B.V. 2009. All rights reserved. **Rev. 02 — 14 December 2009** **4 of 11** **BAS101 BAS101S ;** **Nexperia** ## **High-voltage switching diodes** **==> picture [233 x 189] intentionally omitted <==** **----- Start of picture text -----**<br> mhc618<br>500<br>IF<br>(mA)<br>400<br>300<br>200<br>(1) (2) (3)<br>100<br>0<br>0 0.5 1 1.5<br>VF (V)<br>**----- End of picture text -----**<br> (1) Tamb = 150 °C (2) Tamb = 75 °C **==> picture [233 x 189] intentionally omitted <==** **----- Start of picture text -----**<br> mbg703<br>10 [2]<br>IFSM<br>(A)<br>10<br>1<br>10 [−][1]<br>1 10 10 [2] 10 [3] 10 [4]<br>tp (μs)<br>**----- End of picture text -----**<br> **==> picture [113 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> Based on square wave currents<br>**----- End of picture text -----**<br> Tj = 25 °C; prior to surge - (3) Tamb = 25 °C **Fig 1. Forward current as a function of forward voltage; typical values** **==> picture [233 x 189] intentionally omitted <==** **----- Start of picture text -----**<br> mhc619<br>10 [2]<br>IR<br>(μA)<br>10<br>1<br>10 [−][1]<br>10 [−][2]<br>0 40 80 120 160 200<br>Tj (°C)<br>**----- End of picture text -----**<br> VR = 300 V **Fig 3. Reverse current as a function of junction temperature; typical values** **Fig 2. Non-repetitive peak forward current as a function of pulse duration; maximum values** **==> picture [233 x 189] intentionally omitted <==** **----- Start of picture text -----**<br> mhc621<br>0.42<br>Cd<br>(pF)<br>0.38<br>0.34<br>0.3<br>0 10 20 30 40<br>VR (V)<br>**----- End of picture text -----**<br> f = 1 MHz; Tamb = 25 °C **Fig 4. Diode capacitance as a function of reverse voltage; typical values** BAS101_BAS101S © Nexperia B.V. 2009. All rights reserved. **Product data sheet** **Rev. 02 — 14 December 2009** **5 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **8. Test information** **==> picture [454 x 119] intentionally omitted <==** **----- Start of picture text -----**<br> tr tp<br>t<br>D.U.T.<br>10 %<br>RS = 50 Ω IF SAMPLING + IF trr t<br>OSCILLOSCOPE<br>V = VR + IF × RS Ri = 50 Ω<br>90 % (1)<br>VR<br>mga881<br>input signal output signal<br>(1) IR = 3 mA<br>**----- End of picture text -----**<br> **==> picture [249 x 9] intentionally omitted <==** **----- Start of picture text -----**<br> Fig 5. Reverse recovery time test circuit and waveforms<br>**----- End of picture text -----**<br> ## **9. Package outline** **==> picture [237 x 163] intentionally omitted <==** **----- Start of picture text -----**<br> 3.0 1.1<br>2.8 0.9<br>3<br>0.45<br>0.15<br>2.5 1.4<br>2.1 1.2<br>1 2<br>0.48 0.15<br>0.38 0.09<br>1.9<br>Dimensions in mm 04-11-04<br>**----- End of picture text -----**<br> **Fig 6. Package outline SOT23 (TO-236AB)** ## **10. Packing information** Please refer to packing information on www.nexperia.com. BAS101_BAS101S © Nexperia B.V. 2009. All rights reserved. **Product data sheet** **Rev. 02 — 14 December 2009** **6 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **11. Soldering** **==> picture [301 x 170] intentionally omitted <==** **----- Start of picture text -----**<br> 2.90<br>2.50<br>solder lands<br>solder resist<br>0.85 2 1<br>3.00 1.30 2.70 occupied area<br>0.85 3<br>solder paste<br>0.60<br>(3x)<br>0.50 (3x)<br>0.60 (3x)<br>1.00<br>3.30 MSA439<br>**----- End of picture text -----**<br> **==> picture [66 x 7] intentionally omitted <==** **----- Start of picture text -----**<br> Dimensions in mm<br>**----- End of picture text -----**<br> **Fig 7. Reflow soldering footprint SOT23 (TO-236AB)** **==> picture [362 x 223] intentionally omitted <==** **----- Start of picture text -----**<br> 3.40<br>1.20 (2x)<br>solder lands<br>solder resist<br>occupied area<br>2 1<br>4.60 4.00 1.20<br>3<br>preferred transport direction during soldering<br>2.80<br>MSA427<br>4.50<br>Dimensions in mm<br>**----- End of picture text -----**<br> **Fig 8. Wave soldering footprint SOT23 (TO-236AB)** BAS101_BAS101S **Product data sheet** © Nexperia B.V. 2009. All rights reserved. **Rev. 02 — 14 December 2009** **7 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **12. Mounting** **==> picture [181 x 176] intentionally omitted <==** **----- Start of picture text -----**<br> 43.4<br>0.6 0.7<br>40<br>0.6<br>0.7<br>0.5<br>Dimensions in mm 006aaa527<br>**----- End of picture text -----**<br> **==> picture [88 x 7] intentionally omitted <==** **----- Start of picture text -----**<br> PCB thickness = 1.6 mm<br>**----- End of picture text -----**<br> **Fig 9. FR4 PCB, standard footprint SOT23 (TO-236AB)** BAS101_BAS101S © Nexperia B.V. 2009. All rights reserved. **Product data sheet** **Rev. 02 — 14 December 2009** **8 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **13. Revision history** |**Table 10.**<br>**Revision history**|**Table 10.**<br>**Revision history**|||| |---|---|---|---|---| |**Document ID**|**Release date**|**Data sheet status**|**Change notice**|**Supersedes**| |BAS101_BAS101S_2|20091214|Product data sheet|-|BAS101_BAS101S_1| |Modifications:|**•** This data sheet was changed to reflect the||new company name NXP Semiconductors,|| ||including new legal definitions and disclaimers. No changes were made to the technical|||| ||content.|||| ||**•** Table 3“Pinning”: updated|||| |BAS101_BAS101S_1|20060908|Product data sheet|-|-| BAS101_BAS101S **Product data sheet** © Nexperia B.V. 2009. All rights reserved. **Rev. 02 — 14 December 2009** **9 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **14. Legal information** ## **14.1 Data sheet status** |**Document statu**~~**s**~~**[1]**<br>**[2]**|**Product status[3]**|**Definition**| |---|---|---| |Objective [short] data sheet|Development|This document contains data from the objective specification for product development.| |Preliminary [short] data sheet|Qualification|This document contains data from the preliminary specification.| |Product [short] data sheet|Production|This document contains the product specification.| - [1] Please consult the most recently issued document before initiating or completing a design. - [2] The term ‘short data sheet’ is explained in section “Definitions”. [3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nexperia.com. ## **14.2 Definitions** **Draft —** The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. Nexperia does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. **Short data sheet —** A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local Nexperia sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. ## **14.3 Disclaimers** **General —** Information in this document is believed to be accurate and reliable. However, Nexperia does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. **Right to make changes —** Nexperia reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. **Suitability for use —** Nexperia products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an Nexperia product can reasonably be expected to result in personal injury, death or severe property or environmental damage. Nexperia accepts no liability for inclusion and/or use of Nexperia products in such equipment or applications and therefore such inclusion and/or use is at the customer’s own risk. **Applications —** Applications that are described herein for any of these products are for illustrative purposes only. Nexperia makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. **Limiting values —** Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. **Terms and conditions of sale —** Nexperia products are sold subject to the general terms and conditions of commercial sale, as published at http:// www.nexperia.com/profile/terms, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by Nexperia. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. **No offer to sell or license —** Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. **Export control —** This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. **Quick reference data —** The Quick reference data is an extract of the product data given in the Limiting values and Characteristics sections of this document, and as such is not complete, exhaustive or legally binding. ## **14.4 Trademarks** Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. BAS101_BAS101S © Nexperia B.V. 2009. All rights reserved. **Product data sheet** **Rev. 02 — 14 December 2009** **10 of 11** **BAS101 BAS101S ;** **Nexperia** **High-voltage switching diodes** ## **15. Contents** |**1**|**Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1**| |---|---| |1.1|General description . . . . . . . . . . . . . . . . . . . . . 1| |1.2|Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1| |1.3|Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1| |1.4|Quick reference data . . . . . . . . . . . . . . . . . . . . 1| |**2**|**Pinning information. . . . . . . . . . . . . . . . . . . . . . 2**| |**3**|**Ordering information. . . . . . . . . . . . . . . . . . . . . 2**| |**4**|**Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2**| |**5**|**Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3**| |**6**|**Thermal characteristics . . . . . . . . . . . . . . . . . . 3**| |**7**|**Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 4**| |**8**|**Test information. . . . . . . . . . . . . . . . . . . . . . . . . 6**| |**9**|**Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 6**| |**10**|**Packing information . . . . . . . . . . . . . . . . . . . . . 6**| |**11**|**Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7**| |**12**|**Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8**| |**13**|**Revision history. . . . . . . . . . . . . . . . . . . . . . . . . 9**| |**14**|**Legal information. . . . . . . . . . . . . . . . . . . . . . . 10**| |14.1|Data sheet status . . . . . . . . . . . . . . . . . . . . . . 10| |14.2|Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10| |14.3|Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 10| |14.4|Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 10| |**15**|**Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11**| Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. **All rights reserved.** **© Nexperia B.V. 2009.** For more information, please visit: http://www.nexperia.com For sales office addresses, please send an email to: salesaddresses@nexperia.com **Date of release: 14 December 2009 Document identifier: BAS101_BAS101S**
Updated at April 28, 2026
Nexperia is a dedicated global leader in discretes, logic, and MOSFET devices. Built on over half a century of semiconductor expertise and operating independently since 2017, the company produces consistently reliable components at an exceptional volume of 85 billion units annually. With its own manufacturing facilities, Nexperia delivers industry-leading small packages that combine power and thermal efficiency with best-in-class quality, meeting the rigorous standards of the automotive sector. Our extensive Nexperia portfolio is heavily focused on discrete semiconductors, providing engineers with a robust selection of core building blocks. This includes a comprehensive range of diodes and rectifiers, featuring a vast selection of Zener single diodes and Schottky diodes designed for precise voltage regulation and efficient power routing. Additionally, we offer an expansive array of bipolar transistors and single MOSFETs tailored for reliable switching and amplification in demanding applications. Beyond these primary offerings, the lineup extends into specialized circuit protection and passive components. This includes transient voltage suppressor (TVS) diodes, Zener array diodes, and small signal diodes, alongside dual MOSFETs and fast recovery rectifiers. For comprehensive design needs, the selection also encompasses integrated passive filters, common mode chokes, and precision timers and oscillators, ensuring a complete solution for high-performance electronic systems.
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