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BAT41
Small Signal Schottky Diode, Single, 100 V, 100 mA, 450 mV, 750 mA, 125 °C
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- Manufacturer: STMICROELECTRONICS
- Product type:
- Diode Configuration:Single; Repetitive Reverse Voltage Vrrm Max:100V; Forward Current If(AV):100mA; Forward Voltage VF Max:450mV; Available until stocks are exhausted Alternative available
- SVHC: No SVHC (25-Jun-2025)
- No. of Pins: 2Pins
- Product Range: BAT41 Series
- Qualification: -
- Diode Mounting: Through Hole
- Diode Case Style: DO-35 (DO-204AH)
- Diode Configuration: Single
- Forward Voltage Max: 450mV
- Forward Surge Current: 750mA
- Reverse Recovery Time: -
- Average Forward Current: 100mA
- Operating Temperature Max: 125°C
- Repetitive Peak Reverse Voltage: 100V
| Delivery and price | |
|---|---|
| Units per pack | 5 |
| Price | 0.124 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
**BAT41** Low capacitance small signal Schottky diodes **==> picture [61 x 39] intentionally omitted <==** ## **Features** - Low leakage current losses - Negligible switching losses - Low forward and reverse recovery times - Extremely fast switching - Surface mount device - Low capacitance diode ## **Description** The BAT41 series uses 100 V Schottky barrier diodes packaged in SOD-123, SOD-323, SOD-523, SOT-323, or SOT-666. This series is specially suited for switching mode with low IR losses ## **Table 1. Device summary** |**Symbol**|**Value**| |---|---| |IF|200 mA| |VRRM|100 V| |C(typ)|3 pF| |Tj(max)|150 °C| **==> picture [177 x 189] intentionally omitted <==** **----- Start of picture text -----**<br> BAT41ZFILM<br>(Single)<br>SOD-123<br>BAT41JFILM<br>(Single)<br>SOD-323<br>BAT41KFILM<br>(Single)<br>SOD-523<br>**----- End of picture text -----**<br> **==> picture [207 x 248] intentionally omitted <==** **----- Start of picture text -----**<br> BAT41WFILM<br>(Single)<br>BAT41CWFILM<br>SOT-323 (Common cathode)<br>BAT41AWFILM<br>(Common anode)<br>BAT41SWFILM<br>(Series)<br>BAT41-07P6FILM<br>(2 parallel diodes)<br>BAT41-09P6FILM<br>SOT-666<br>(2 opposite diodes)<br>Configurations in top view<br>**----- End of picture text -----**<br> October 2009 1/12 Doc ID 12633 Rev 2 _www.st.com_ **Characteristics** **BAT41** ## **1 Characteristics** |**Table 2.**|**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**| |---|---|---|---|---|---| |**Symbol**|**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.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**| |---|---|---|---|---|---| ||||||| |**Symbol**|**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 3.**<br>**Thermalparameters**|||||| |**Symbol**|**Parameter**|||**Value**|**Unit**| |Rth(j-a)|Junction to ambient(1)||SOD-123|500|°C/W| ||||SOT-323, SOD-323|550|| ||||SOD-523, SOT-666|600|| 1. Epoxy printed circuit board with recommended pad layout ## **Table 4. Static electrical characteristics** |**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---|---| |IR<br>(1)|Reverse leakage current|Tj= 25 °C|VR= 50 V|||0.1|µA| |||Tj= 100 °C||||20|| |VF<br>(2)|Forward voltage drop|Tj= 25 °C|IF= 1 mA||400|450|mV| ||||IF= 200 mA|||1000|| |1.<br>Pulse test: tp= 5 ms,δ< 2 %<br>2.<br>Pulse test: tp= 380 µs,δ< 2 %<br>**Table 5.**<br>**Dynamic characteristics**|||||||| |**Symbol**|**Parameter**|**Test conditions**||**Min.**|**Typ.**|**Max.**|**Unit**| |C|Diode capacitance|VR= 1 V, F = 1 MHz|||3|10|pF| 2/12 Doc ID 12633 Rev 2 **Characteristics** **BAT41** **Figure 1. Average forward power dissipation Figure 2. Average forward current versus versus average forward current ambient temperature (** δ **= 1)** **==> picture [204 x 137] intentionally omitted <==** **----- Start of picture text -----**<br> P(W)<br>0.22<br>0.20 δ = 0.1 δ = 0.2 δ = 0.5<br>δ = 0.05<br>0.18<br>0.16 δ = 1<br>0.14<br>0.12<br>0.10<br>0.08<br>0.06<br>T<br>0.04<br>0.02 IF(AV)(A) δ [=tp/T] tp<br>0.00<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 [205 x 138] 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<br>T<br>0.04<br>0.02 δ [=tp/T] tp Tamb(°C)<br>0.00<br>0 25 50 75 100 125 150<br>**----- End of picture text -----**<br> ## **Figure 3. Reverse leakage current versus reverse applied voltage (typical values)** ## **Figure 4. Reverse leakage current versus junction temperature (typical values)** **==> picture [462 x 147] intentionally omitted <==** **----- Start of picture text -----**<br> IR(µA) IR(µA)<br>1.E+03 1.E+03<br>VR=50V<br>T =150°Cj 1.E+02<br>1.E+02<br>T =125°Cj<br>1.E+01<br>1.E+01 T =100°Cj<br>1.E+00<br>1.E+00 T =75°Cj<br>1.E-01<br>T =50°Cj<br>1.E-01<br>T =25°Cj 1.E-02<br>VR(V) T (°C)j<br>1.E-02 1.E-03<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 applied voltage (typical values)** ## **Figure 6. Forward voltage drop versus forward current (typical values)** **==> picture [462 x 146] intentionally omitted <==** **----- Start of picture text -----**<br> C(pF) IFM(A)<br>10.0 1.E+00<br>F=1MHz<br>VOSC=30mVRMS<br>T =25°Cj<br>1.E-01<br>T =75°Cj<br>1.0 1.E-02 T =-40°Cj<br>1.E-03<br>VR(V) VFM(V)<br>0.1 1.E-04<br>1.0 10.0 100.0 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> 3/12 Doc ID 12633 Rev 2 **Characteristics** **BAT41** ## **Figure 7. Forward voltage drop versus forward current (typical values)** **==> picture [193 x 130] intentionally omitted <==** **----- Start of picture text -----**<br> IFM(A)<br>1.E+00<br>1.E-01 T =125°Cj<br>T =100°Cj<br>1.E-02 T =25°Cj<br>1.E-03<br>VFM(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> **Figure 8. Variation of thermal impedance junction to ambient versus pulse duration** **==> picture [190 x 128] intentionally omitted <==** **----- Start of picture text -----**<br> Zth(j-a)(°C/W)<br>1000<br>SOT323-6L<br>100<br>Single pulse<br>10 printed circuit board, epoxy FR4, eCU = 35 µm, SOT323-6L tp(s)<br>1.E-02 1.E-01 1.E+00 1.E+01 1.E+02<br>**----- End of picture text -----**<br> ## **Figure 9. Relative variation of thermal impedance junction to ambient versus pulse duration** ## **Figure 10. Relative variation of thermal impedance junction to ambient versus pulse duration** **==> picture [462 x 310] intentionally omitted <==** **----- Start of picture text -----**<br> Zth(j-a)/Rth(j-a) Zth(j-a)/Rth(j-a)<br>1.00 1.00<br>Allumine substrate, SOT-23<br>SOT-23<br>Alumine substrate SOD-523<br>10 x 8 x 0.5 mm Epoxy FR4<br>eCU = 35 µm<br>0.10 Single pulse SCUEpoxy FR4SOD-323= 2.25 mm2 0.10 Single pulse Epoxy FR4SOT-666<br>eCU = 35 µm eCU = 35 µm<br>printed circuit board, epoxy FR4, eCU = 35 µm, SOT-666 and SOD-523<br>printed circuit board, epoxy Fr4, eCU = 35 µm, SOD-323 tp(s) tp(s)<br>0.01 0.01<br>1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01<br>Figure 11. Thermal resistance junction to ambient versus copper surface under each lead<br>Rth(j-a)(°C/W)<br>600<br>printed circuit board, epoxy Fr4, eCU = 35 µm, SOD-323<br>550<br>500<br>450<br>400<br>350<br>SCU(mm²)<br>300<br>0 5 10 15 20 25 30 35 40 45 50<br>**----- End of picture text -----**<br> 4/12 Doc ID 12633 Rev 2 **Ordering information scheme** **BAT41** ## **2 Ordering information scheme** ## **Figure 12. Ordering information scheme** **==> picture [257 x 244] intentionally omitted <==** **----- Start of picture text -----**<br> BAT41 xx xx FILM<br>Signal Schottky diodes<br>VRRM = 100 V<br>Configuration<br>No letter = Single diode<br>A = Common anode<br>C = Common cathode<br>S = Series diodes<br>07 = Parallel diodes<br>09 = Opposite diodes<br>Package<br>J = SOD-323<br>W = SOT-323<br>K = SOD-523<br>P6 = SOT-666<br>Z = SOD-123<br>Packing<br>FILM = Tape and reel<br>**----- End of picture text -----**<br> 5/12 Doc ID 12633 Rev 2 **Package information** **BAT41** ## **3 Package information** - Epoxy meets UL94, V0 - Lead-free packages 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. ## **Table 6. SOD-123 dimensions** |||||||**b**<br>**A1**<br>**A2**<br>**A**|**b**<br>**A1**<br>**A2**<br>**A**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---|---|---|---|---|---|---| ||||||||||**Millimeters**||**Inches**|| ||||||**H**|||||||| ||||||||||**Min.**|**Max.**|**Min.**|**Max.**| ||**E**|||||||A||1.45||0.057| |||||||||||||| |||||||||||||| |||||||||A1|0|0.1|0|0.004| ||**c**||**G**|||||||||| |||||||||A2|0.85|1.35|0.033|0.053| ||||||**D**|||||||| |||||||||b|0.55 Typ.||0.022 Typ.|| |||||||||c|0.15 Typ.||0.039 Typ.|| |||||||||||||| |||||||||||||| |||||||||D|2.55|2.85|0.1|0.112| |||||||||||||| |||||||||E|1.4|1.7|0.055|0.067| |||||||||G|0.25||0.01|| |||||||||||||| |||||||||||||| |||||||||H|3.55|3.95|0.14|0.156| ## **Figure 13. SOD-123 footprint (dimensions in mm)** **==> picture [184 x 98] intentionally omitted <==** **----- Start of picture text -----**<br> 4.45<br>0.65<br>0.97 2.51 0.97<br>**----- End of picture text -----**<br> 6/12 Doc ID 12633 Rev 2 **Package information** **BAT41** ## **Table 7. SOD-323 dimensions** **==> picture [405 x 420] intentionally omitted <==** **----- Start of picture text -----**<br> Dimensions<br>H A1 Ref. Millimeters Inches<br>b Min. Max. Min. Max.<br>E A 1.17 0.046<br>A1 0 0.1 0 0.004<br>D A b 0.25 0.44 0.01 0.017<br>c 0.1 0.25 0.004 0.01<br>c D 1.52 1.8 0.06 0.071<br>Q1<br>E 1.11 1.45 0.044 0.057<br>H 2.3 2.7 0.09 0.106<br>L L 0.1 0.46 0.004 0.02<br>Q1 0.1 0.41 0.004 0.016<br>Figure 14. SOD-323 footprint (dimensions in mm)<br>3.20<br>0.54<br>1.06 1.08 1.06<br>**----- End of picture text -----**<br> 7/12 Doc ID 12633 Rev 2 **Package information** **BAT41** |**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**|**Table 8.**<br>**SOD-523 dimensions**||||||||| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| |**SEATING PLAN**|||||||||**8°**|**Ref.**|**Dimensions**|||||| ||||||||||||**Millimeters**|||**Inches**||| ||<br>**A**|**2xb**|||**E**<br>**0.**|**0**|**15**<br>**M**|**C**<br>**A**<br>**B**||||||||| ||||||||**E1**<br><br><br><br><br>|||||||||| ||||||||||||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |||||||||||A|0.50|0.60|0.70|0.020|0.024|0.028| |||||||||||||||||| |||||**0.20**|**C**<br>**A**<br>**M**|||||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| ||**E**<br>|**C**||||||||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|0.05||0.20|0.002||0.008| **Figure 15. SOD-523 footprint (dimensions in mm)** **==> picture [134 x 63] intentionally omitted <==** **----- Start of picture text -----**<br> 0.7<br>0.3<br>2<br>**----- End of picture text -----**<br> 8/12 Doc ID 12633 Rev 2 **Package information** **BAT41** **Table 9. SOT-323 dimensions** |**c**<br>**b**||||||||**D**|**D**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| ||||||||||||**Millimeters**|||**Inches**||| |||**A**<br>**L**<br>**H**<br>**E**<br>**e**<br>θ|||||**A**||||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |||||||||||||||||| |||||||||||A|0.8||1.1|0.031||0.043| |||||||||||||||||| |||||||||||||||||| |||||||||||A1|0.0||0.1|0.0||0.004| |||||||||||b|0.25||0.4|0.010||0.016| |||||||||||c|0.1||0.26|0.004||0.010| |||||||||||||||||| |||||||||||||||||| |||||||||||D|1.8|2.0|2.2|0.071|0.079|0.086| |||||||||||E|1.15|1.25|1.35|0.045|0.049|0.053| |||||||||||||||||| |||||||||||||||||| |||||||||||e||0.65|||0.026|| |||||||||||||||||| |||||||||||H|1.8|2.1|2.4|0.071|0.083|0.094| |||||||||||||||||| |||||||||||L|0.1|0.2|0.3|0.004|0.008|0.012| |||||||||||q|0||30°|0||30°| **Figure 16. SOT-323 footprint (dimensions in mm)** **==> picture [134 x 118] intentionally omitted <==** **----- Start of picture text -----**<br> 0.95<br>1.0 2.9<br>0.8 0.50<br>**----- End of picture text -----**<br> 9/12 Doc ID 12633 Rev 2 **Package information** **BAT41** ## **Table 10. SOT-666 dimensions** ||||||||**L2**<br>**A3**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| ||**L1**|**D**<br>**e**<br>**b1**<br>**A**||||**E1**|||**Millimeters**|||**Inches**||| ||||||||||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| ||**L3**|||||||||||||| |||||||||A|0.45||0.60|0.018||0.024| |||||||||A3|0.08||0.18|0.003||0.007| ||**b**|||||||||||||| |||||||||b|0.17||0.34|0.007||0.013| |||||||||b1|0.19|0.27|0.34|0.007|0.011|0.013| |||||||||D|1.50||1.70|0.059||0.067| |||||||||||||||| |||||||||E|1.50||1.70|0.059||0.067| |||||||||||||||| |||||||**E**||||||||| |||||||||E1|1.10||1.30|0.043||0.051| |||||||||||||||| |||||||||e||0.50|||0.020|| |||||||||L1||0.19|||0.007|| |||**e**||||||L2|0.10||0.30|0.004||0.012| |||||||||L3||0.10|||0.004|| |||||||||||||||| ## **Figure 17. SOT-666 footprint (dimensions in mm)** **==> picture [114 x 124] intentionally omitted <==** **----- Start of picture text -----**<br> 0.50<br>0.62 2.60<br>0.99<br>0.30<br>**----- End of picture text -----**<br> 10/12 Doc ID 12633 Rev 2 **Ordering information** **BAT41** ## **4 Ordering information** ## **Table 11. Ordering information** |**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**| |---|---|---|---|---|---| |BAT41ZFILM|Z41|SOD-123 Single|10 mg|3000|Tape and reel| |BAT41WFILM|B41|SOT-323 Single|6 mg|3000|Tape and reel| |BAT41SWFILM|S41|SOT-323 Series|6 mg|3000|Tape and reel| |BAT41CWFILM|C41|SOT-323<br>Common cathode|6 mg|3000|Tape and reel| |BAT41AWFILM|A41|SOT-323<br>Common anode|6 mg|3000|Tape and reel| |BAT41JFILM|41|SOD-323 Single|5 mg|3000|Tape and reel| |BAT41KFILM|41|SOD-523 Single|1.4 mg|3000|Tape and reel| |BAT41-09P6FILM|Q1|SOT-666 Opposite|2.9 mg|3000|Tape and reel| |BAT41-07P6FILM|P1|SOT-666 Parallel|2.9 mg|3000|Tape and reel| ## **5 Revision history** ## **Table 12. 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.| 11/12 Doc ID 12633 Rev 2 **BAT41** ## **Please Read Carefully:** Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. **UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.** **UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. 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All other names are the property of their respective owners. © 2009 STMicroelectronics - All rights reserved ## STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America ## **www.st.com** 12/12 Doc ID 12633 Rev 2
Updated at April 29, 2026
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