Image not available
Illustrative purposes only
BAT41KFILM
Small Signal Diode, Single, 100 V, 200 mA, 1 V, 1 A
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: STMICROELECTRONICS
- Product type: Small Signal Diodes
- Diode Configuration:Single; Repetitive Reverse Voltage Vrrm Max:100V; Forward Current If(AV):200mA; Forward Voltage VF Max:1V; Reverse Recovery Time trr Max:-; Forward Surge Current
- SVHC: No SVHC (25-Jun-2025)
- No. of Pins: 2Pins
- Product Range: BAT41
- Qualification: -
- Diode Mounting: Surface Mount
- Diode Case Style: SOD-523
- Diode Configuration: Single
- Forward Voltage Max: 1V
- Forward Surge Current: 1A
- Reverse Recovery Time: -
- Average Forward Current: 200mA
- Operating Temperature Max: 150°C
- Repetitive Peak Reverse Voltage: 100V
| Delivery and price | |
|---|---|
| Units per pack | 1000 |
| Price | 0.073 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
**BAT41** Datasheet Low capacitance small signal Schottky diodes **==> picture [71 x 139] intentionally omitted <==** **----- Start of picture text -----**<br> K A<br>A<br>K<br>SOD-523<br>A<br>K<br>SOD123<br>**----- End of picture text -----**<br> ## **Features** - Low leakage current losses - Negligible switching losses - Low forward and reverse recovery times - Extremely fast switching - Surface mount device - Low capacitance diode - ECOPACK2 compliant ## **Applications** - General Rectification - Reverse polarity protection - Voltage clamping - High-speed switching ## **Description** The BAT41 series uses 100 V Schottky barrier diodes packaged in SOD-123 or SOD-523. This series is specially suited for switching mode with low IR losses. ## **Product status link** BAT41 |**Product summary**|**Product summary**| |---|---| |**IF**|200 mA| |**VRRM**|100 V| |**Tj (max.)**|150 °C| |**C (typ.)**|3 pF| **DS4884** - **Rev 3** - **September 2021** For further information contact your local STMicroelectronics sales office. www.st.com **BAT41 Characteristics** ## **1 Characteristics** **Table 1. Absolute ratings (limiting values at 25 °C, unless otherwise specified)** |**Symbol**|**Parameter**|**Parameter**||**Value**|**Unit**| |---|---|---|---|---|---| |VRRM|Repetitive peak reverse voltage|||100|V| |IF|Continuous forward current|||200|mA| |IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal||1|A| |Tstg|Storage temperature range|||-65 to +150|°C| |Tj|Maximum operating junction temperature|||+150|°C| **Table 2. Thermal resistance parameter** |**Symbol**|**Parameter**||**Typ.**<br>**value**|**Unit**| |---|---|---|---|---| |Rth(j-a)|Junction to ambient(1)|SOD-123|500|°C/W| |||SOD-523|600|| _1. Epoxy printed circuit board with recommended pad layout_ For more information, please refer to the following application note: - AN5088: Rectifiers thermal management, handling and mounting recommendations **Table 3. Static electrical characteristics** |**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---|---| |IR(1)|Reverse leakage current|Tj= 25 °C|VR= 50 V|-||0.1|µA| |||Tj= 100 °C||-||20|| |VF(2)|Forward voltage drop|Tj= 25 °C|IF= 1 mA|-|400|450|mV| ||||IF= 200 mA|-||1000|| _1. Pulse test: tp = 5 ms, δ < 2%_ _2. Pulse test: tp = 380 µs, δ < 2%_ **Table 4. Dynamic characteristics** |**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---| |C|Diode capacitance|VR= 1 V, f = 1 MHz|-|3|10|pF| **DS4884** - **Rev 3** **page 2/11** **BAT41 Characteristics (curves)** ## **1.1 Characteristics (curves)** **Figure 1. Average forward power dissipation versus Figure 2. Average forward current versus ambient average forward current temperature (δ = 1)** **==> picture [225 x 140] intentionally omitted <==** **----- Start of picture text -----**<br> P(W)<br>0.22<br>0.20 = 0.05 = 0.1 = 0.2 = 0. =1<br>0.18<br>0.16<br>0.14<br>0.12<br>0.10<br>0.08<br>0.06 T<br>0.04<br>0.02<br>0.00 I F(AV) (A) =tp/T tp<br>0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24<br>**----- End of picture text -----**<br> **==> picture [225 x 140] intentionally omitted <==** **----- Start of picture text -----**<br> IF(AV)(A)<br>0.22<br>0.20<br>0.18<br>0.16<br>0.14<br>0.12<br>0.10<br>0.08<br>0.06 T<br>0.04<br>0.02 =tp/T tp T amb (°C)<br>0.00<br>0 25 50 75 100 125 150<br>**----- End of picture text -----**<br> **==> picture [513 x 191] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 3. Reverse leakage current versus reverse voltage Figure 4. Reverse leakage current versus junction<br>applied (typical values) temperature (typical values)<br>IR (µA) IR (µA)<br>1.E+03 1.E+03<br>Tj=150 °C VR=50 V<br>1.E+02 1.E+02<br>Tj=125 °C<br>1.E+01<br>1.E+01 Tj=100 °C<br>1.E+00<br>Tj=75 °C<br>1.E+00<br>1.E-01<br>Tj=50 °C<br>1.E-01<br>Tj=25 °C 1.E-02<br>1.E-02 V R (V) 1.E-03 Tj(°C)<br>0 20 40 60 80 100 0 25 50 75 100 125 150<br>**----- End of picture text -----**<br> **Figure 5. Junction capacitance versus reverse voltage applied (typical values)** **==> picture [224 x 140] intentionally omitted <==** **----- Start of picture text -----**<br> C(pF)<br>10.0<br>F = 1 MHz<br>Vosc T = 30 mVj = 25 °C RMS<br>1.0<br>VR(V)<br>0.1<br>1.0 10.0 100.0<br>**----- End of picture text -----**<br> **Figure 6. Forward voltage drop versus forward current (typical values)** **==> picture [225 x 142] intentionally omitted <==** **----- Start of picture text -----**<br> IF(A)<br>1.E+00<br>T j = 75 °C<br>1.E-01<br>T j = -40 °C<br>1.E-02<br>1.E-03<br>V F (V)<br>1.E-04<br>0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3<br>**----- End of picture text -----**<br> **DS4884** - **Rev 3** **page 3/11** **BAT41 Characteristics (curves)** **Figure 7. Forward voltage drop versus forward current (typical values)** **==> picture [222 x 142] intentionally omitted <==** **----- Start of picture text -----**<br> IF(A)<br>1.E+00<br>T j = 125 °C<br>1.E-01<br>T j = 100 °C T j = 25 °C<br>1.E-02<br>1.E-03<br>V F (V)<br>1.E-04<br>0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2<br>**----- End of picture text -----**<br> **DS4884** - **Rev 3** **page 4/11** **BAT41 Package information** ## **2 Package information** In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. ## **2.1 SOD123 package information** ## **Figure 8. SOD123 package outline** **==> picture [370 x 355] intentionally omitted <==** **----- Start of picture text -----**<br> c E<br>G<br>D H<br>b<br>A A2<br>A1<br>**----- End of picture text -----**<br> **DS4884** - **Rev 3** **page 5/11** **BAT41 SOD123 package information** **Table 5. SOD123 package mechanical data** ||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---| |**Ref.**|**Millimeters**|||**Inches(1)**||| ||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |A|||1.45|||0.057| |A1|0.00||0.10|0.000||0.004| |A2|0.85||1.35|0.033||0.053| |b||0.55|||0.022|| |c||0.15|||0.039|| |D|2.55||2.85|0.100||0.112| |E|1.40||1.70|0.055||0.067| |G|0.25|||0.010||| |H|3.55||3.75|0.140||0.148| _1. Values in inches are converted from mm and rounded to 3 decimal digits_ **Figure 9. SOD123 footprint in mm** **==> picture [230 x 120] intentionally omitted <==** **----- Start of picture text -----**<br> 4.00<br>0.57<br>0.65 2.70 0.65<br>**----- End of picture text -----**<br> **DS4884** - **Rev 3** **page 6/11** **BAT41 SOD523 package information** ## **2.2 SOD523 package information** ## **Figure 10. SOD523 package outline** **==> picture [320 x 281] intentionally omitted <==** **----- Start of picture text -----**<br> E<br>E1<br>b D<br>8°<br>R0.1<br>A<br>c<br>7°<br>L<br>L1<br>**----- End of picture text -----**<br> **Table 6. SOD523 package mechanical data** ||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---| |**Ref.**|**Millimeters**|||**Inches(1)**||| ||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |A|0.50|0.60|0.70|0.020|0.024|0.028| |E|1.50|1.60|1.70|0.059|0.063|0.067| |E1|1.10|1.20|1.30|0.043|0.047|0.051| |D|0.70|0.80|0.90|0.028|0.031|0.035| |b|0.25||0.35|0.010||0.014| |c|0.07||0.20|0.003||0.008| |L|0.15|0.20|0.25|0.006|0.008|0.010| |L1|0.00||0.20|0.000||0.008| _1. Values in inches are converted from mm and rounded to 3 decimal digits_ **DS4884** - **Rev 3** **page 7/11** **BAT41 SOD523 package information** ## **Figure 11. SOD523 footprint in mm** **==> picture [118 x 76] intentionally omitted <==** **----- Start of picture text -----**<br> 0.7<br>0.3<br>2<br>**----- End of picture text -----**<br> **DS4884** - **Rev 3** **page 8/11** **BAT41 Ordering Information** ## **3 Ordering information** **Figure 12. Ordering information scheme** BAT41 xx xx FILM Signal Schottky diodes VRRM = 100 V Configuration No letter = Single diode Package K = SOD-523 Z = SOD-123 Packing FILM = Tape and reel **Table 7. Ordering information** |**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**| |---|---|---|---|---|---| |BAT41ZFILM|Z41|SOD-123 Single|10 mg|3000|Tape and reel| |BAT41KFILM|41|SOD-523 Single|1.4 mg|3000|Tape and reel| **DS4884** - **Rev 3** **page 9/11** **BAT41** ## **Revision history** **Table 8. Document revision history** |**Date**|**Revision**|**Changes**| |---|---|---| |08-Aug-2006|1|Initial release.| |12-Oct-2009|2|Updated Table 8 quote “L1” from 0.10 to 0.05.| |03-Sep-2021|3|Updated all figures.<br>Removal of Obsolete P/N.<br>Minor text changes to improve readability.| **DS4884** - **Rev 3** **page 10/11** **BAT41** ## **IMPORTANT NOTICE – PLEASE READ CAREFULLY** STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2021 STMicroelectronics – All rights reserved **DS4884** - **Rev 3** **page 11/11**
Updated at April 23, 2026
STMicroelectronics is a global leader in the semiconductor industry, recognized for developing highly integrated, energy-efficient solutions that power modern electronics. With a strong focus on innovation, ST provides a comprehensive portfolio of microelectronics that address the demanding requirements of industrial, automotive, communications, and consumer applications. Our extensive selection of STMicroelectronics components is built around a robust lineup of discrete semiconductors and circuit protection devices. We offer a wide variety of single MOSFETs, Schottky diodes, and fast and ultrafast recovery rectifier diodes, designed to deliver exceptional efficiency and thermal performance in power management and conversion systems. For robust circuit protection, our inventory features hundreds of transient voltage suppressors and TVS diodes that safeguard sensitive electronic components against destructive voltage spikes. In addition to core power discretes like TRIACs, SCRs, bipolar transistors, and single IGBTs, our STMicroelectronics range includes specialized integrated passive filters and MEMS sensors. Furthermore, ST offers advanced integrated passive devices, such as baluns and RF filters, which utilize high-quality monolithic RF IPD processes on glass or high-resistance silicon substrates. These components provide competitive cost structures, reduced power losses, and simplified RFIC-to-antenna matching, ensuring optimal system performance and delivering the reliability required for next-generation wireless and power designs.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →