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BAT48ZFILM
Small Signal Diode, Single, 40 V, 350 mA, 900 mV, 2 A
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- Manufacturer: STMICROELECTRONICS
- Product type: Small Signal Diodes
- Diode Configuration:Single; Repetitive Reverse Voltage Vrrm Max:40V; Forward Current If(AV):350mA; Forward Voltage VF Max:900mV; Reverse Recover; Available until stocks are exhausted
- SVHC: No SVHC (25-Jun-2025)
- No. of Pins: 2Pins
- Product Range: BAT48
- Qualification: -
- Diode Mounting: Surface Mount
- Diode Case Style: SOD-123
- Diode Configuration: Single
- Forward Voltage Max: 900mV
- Forward Surge Current: 2A
- Reverse Recovery Time: -
- Average Forward Current: 350mA
- Operating Temperature Max: 150°C
- Repetitive Peak Reverse Voltage: 40V
| Delivery and price | |
|---|---|
| Units per pack | 5000 |
| Price | 0.037 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
**BAT48** **==> picture [62 x 39] intentionally omitted <==** ## Small si nal Schottk diode g y ## **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 BAT48 series uses 40 V Schottky barrier diodes packaged in SOD-123, SOD-323 or DO-35. This series is general purpose and features very low turn-on voltage and fast switching. **==> picture [170 x 236] intentionally omitted <==** **----- Start of picture text -----**<br> BAT48ZFILM<br>(Single)<br>SOD-123<br>BAT48JFILM<br>(Single)<br>SOD-323<br>Configurations in top view<br>A<br>BAT48RL<br>K<br>Band indicates cathode<br>**----- End of picture text -----**<br> ## **Table 1. Device summary** |**Symbol**|**Value**| |---|---| |IF|350 mA| |VRRM|40 V| |C (typ)|18 pF| |Tj(max)|150 °C| 1/8 July 2011 Doc ID 12634 Rev 2 _www.st.com_ **Characteristics** **BAT48** ## **1 Characteristics** |**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)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**| |---|---|---|---|---|---|---| |||||||| |**Symbol**|**Parameter**||||**Value**|**Unit**| |VRRM|Repetitive peak reverse voltage||||40|V| |IF|Continuous forward current||||350|mA| |IFSM|Surge non repetitive forward<br>current|tp= 10 ms<br>sinusoidal|SOD-123, SOD-323||2|A| ||||DO-35||7.5|| |Tstg|Storage temperature range||||-65 to +150|°C| |Tj|Maximum operating junction temperature<br>range||SOD-123, SOD-323||-40 to +150|°C| ||||DO-35||-40 to +125|| |TL|Maximum temperature for soldering during<br>10 s||SOD-123, SOD-323||260|°C| ||||DO-35 at 4 mm from<br>case||230|| |**Table 3.**<br>**Thermalparameters**||||||| |**Symbol**|**Parameter**||||**Value**|**Unit**| |Rth(j-a)|Junction to ambient(1)|||SOD-123|500|°C/W| |||||SOD-323|550|| |Rth(j-l)|Junction to lead(2)|||DO-35|300|°C/W| |**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)**|**Table 2.**<br>**Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)**| |---|---|---|---|---|---|---| |||||||| |**Symbol**|**Parameter**||||**Value**|**Unit**| |VRRM|Repetitive peak reverse voltage||||40|V| |IF|Continuous forward current||||350|mA| |IFSM|Surge non repetitive forward<br>current|tp= 10 ms<br>sinusoidal|SOD-123, SOD-323||2|A| ||||DO-35||7.5|| |Tstg|Storage temperature range||||-65 to +150|°C| |Tj|Maximum operating junction temperature<br>range||SOD-123, SOD-323||-40 to +150|°C| ||||DO-35||-40 to +125|| |TL|Maximum temperature for soldering during<br>10 s||SOD-123, SOD-323||260|°C| ||||DO-35 at 4 mm from<br>case||230|| |**Table 3.**<br>**Thermalparameters**||||||| |**Symbol**|**Parameter**||||**Value**|**Unit**| |Rth(j-a)|Junction to ambient(1)|||SOD-123|500|°C/W| |||||SOD-323|550|| |Rth(j-l)|Junction to lead(2)|||DO-35|300|°C/W| 1. Epoxy printed circuit board with recommended pad layout 2. On infinite heatsink with 4 mm lead length 2/8 Doc ID 12634 Rev 2 **Characteristics** **BAT48** **Table 4. Static electrical characteristics** |**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---|---| |VBR<br>B|reakdown reverse voltage|Tj= 25 °C|Ir= 25 µA|40|||V| |IR<br>(1)<br>R|everse leakage current|Tj= 25 °C|VR= 1.5 V|||1|µA| ||||VR= 10 V|||2|| ||||VR= 20 V|||5|| ||||VR= 40 V|||25|| |||Tj= 60 °C|VR= 1.5 V|||10|| ||||VR= 10 V|||15|| ||||VR= 20 V|||25|| ||||VR= 40 V|||50|| |VF<br>(2)<br>F|orward voltage drop|Tj= 25 °C|IF= 0.1 mA|||0.25|V| ||||IF= 1 mA|||0.3|| ||||IF= 10 mA|||0.4|| ||||IF= 50 mA|||0.5|| ||||IF= 200 mA|||0.75|| ||||IF= 500 mA|||0.9|| 1. Pulse test: tp = 5 ms, δ < 2 % 2. Pulse test: tp = 380 µs, δ < 2 % ## **Table 5. Dynamic characteristics** |**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---| |C<br>D|iode capacitance|VR= 0 V, F = 1 MHz||30||pF| |||VR= 1 V, F = 1 MHz||18||| **==> picture [462 x 169] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 1. Average forward power dissipation Figure 2. Average forward current versus<br>versus average forward current ambient temperature ( δ = 1)<br>P(W) IF(AV)(A)<br>0.30 0.40<br>δ = 0.1 δ = 0.2 δ = 0.5<br>δ = 0.05 0.35<br>0.25<br>0.30<br>0.20<br>δ = 1 0.25<br>0.15 0.20<br>0.15<br>0.10<br>T 0.10 T<br>0.05<br>0.05<br>IF(AV)(A) δ [=tp/T] tp δ [=tp/T] tp Tamb(°C)<br>0.00 0.00<br>0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0 25 50 75 100 125 150<br>**----- End of picture text -----**<br> 3/8 Doc ID 12634 Rev 2 **Characteristics** **BAT48** **Figure 3. Reverse leakage current versus reverse applied voltage (typical values)** **==> picture [205 x 136] intentionally omitted <==** **----- Start of picture text -----**<br> IR(µA)<br>1.E+04<br>1.E+03 T =125°Cj<br>T =100°Cj<br>1.E+02<br>T =75°Cj<br>1.E+01<br>T =50°Cj<br>1.E+00<br>T =25°Cj<br>VR(V)<br>1.E-01<br>0 5 10 15 20 25 30 35 40<br>**----- End of picture text -----**<br> **Figure 4. Reverse leakage current versus junction temperature (typical values)** **==> picture [205 x 136] intentionally omitted <==** **----- Start of picture text -----**<br> IR(µA)<br>1.E+04<br>VR=40V<br>1.E+03<br>1.E+02<br>1.E+01<br>1.E+00<br>T (°C)j<br>1.E-01<br>0 25 50 75 100 125<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 147] intentionally omitted <==** **----- Start of picture text -----**<br> C(pF) IFM(A)<br>35 1.E+00<br>F=1MHz<br>30 VOSCT =25°C=30mVj RMS<br>1.E-01<br>25<br>T =125°Cj<br>20 T =25°Cj<br>1.E-02<br>15<br>10<br>1.E-03<br>5<br>VR(V) VFM(V)<br>0 1.E-04<br>0 5 10 15 20 25 30 35 40 0.0 0.2 0.4 0.6 0.8 1.0<br>**----- End of picture text -----**<br> **Figure 7. Relative variation of thermal impedance junction to ambient versus pulse duration (SOD-323)** **Figure 8. Thermal resistance junction to ambient versus copper surface under each lead (SOD-323)** **==> picture [462 x 146] intentionally omitted <==** **----- Start of picture text -----**<br> Zth(j-a)/Rth(j-a) Rth(j-a)(°C/W)<br>1.00 600<br>printed circuit board, epoxy FR4, eCU=35 µm<br>550<br>SOD-323 500<br>SCUEpoxy FR4= 2.25 mm2<br>eCU = 35 µm<br>0.10 Single pulse 450<br>400<br>350<br>epoxy FR4 with recommended pad layout, eCU = 35 µm tp(s) SCU(mm²)<br>0.01 300<br>1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 0 5 10 15 20 25 30 35 40 45 50<br>**----- End of picture text -----**<br> 4/8 Doc ID 12634 Rev 2 **Package information** **BAT48** ## **2 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** ||||||||||**A1**<br>**A2**<br>**A**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| ||||||||||||**Millimeters**||**Inches**|| |||||**H**||||**b**||||||| ||||||||||||**Min.**|**Max.**|**Min.**|**Max.**| ||**E**|||||||||A||1.45||0.057| |||||||||||||||| |||||||||||||||| |||||||||||A1|0|0.1|0|0.004| ||**c**|||||||||||||| |||||||||||A2|0.85|1.35|0.033|0.053| |||||||||||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|3.75|0.14|0.148| **Figure 9. SOD-123 footprint, dimensions in mm (inches)** **==> picture [215 x 87] intentionally omitted <==** **----- Start of picture text -----**<br> 4.00<br>(0.157)<br>0.57<br>(0.022)<br>0.65 2.70 0.65<br>(0.026) (0.106) (0.026)<br>**----- End of picture text -----**<br> 5/8 Doc ID 12634 Rev 2 **Package information** **BAT48** ## **Table 7. SOD-323 dimensions** |||||||||||**A1**<br>**A**|**A1**<br>**A**|**Ref.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| |||||**H**||||**b**<br>**L**<br>**Q1**|||||||**Inches**|| |||||||||||||||**Max.**|**Min.**|**Max.**| |||**E**||||||||||||||| |||||||||||||A||1.17||0.046| |||||||||||||||||| |||||||||||||||||| |||||||||||||A1|0|0.1|0|0.004| |||**c**||||||||||||||| |||||||||||||b|0.25|0.44|0.01|0.017| |||||||||||||c|0.1|0.25|0.004|0.01| |||||||||||||D|1.52|1.8|0.06|0.071| |||||||||||||E|1.11|1.45|0.044|0.057| |||||||||||||||||| |||||||||||||H|2.3|2.7|0.09|0.106| |||||||||||||L|0.1|0.46|0.004|0.02| |||||||||||||Q1|0.1|0.41|0.004|0.016| |**Figure**||||**10.**<br>**SOD-323 footprint(dimensions in mm)**||||||||||||| ||||||||||||||**0.54**|||| |||||||||||**3.20**||||||| |||||||||||**1.08**<br>**1.06**||||||| |||||||||||||||||| ||||||||||**1.06**||**1.06**|||||| |||||||||||||||||| |||||||||||||||||| ## **Table 8. DO-35 dimensions** ||||||**Ref.**<br>A<br>B<br>C<br>D|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Max.**<br>**Min.**<br>**Max.**| |---|---|---|---|---|---|---|---|---|---| ||**C**|**A**||**C**||||**Inches**|| ||||||||||| ||||||||**Max.**|**Min.**|**Max.**| ||**ØB**<br>**ØD**||||||||| |||||||3.05|4.50|0.120|0.177| |||||||1.53|2.00|0.060|0.079| ||||||||||| |||||||12.7||0.500|| ||||||||||| |||||||0.458|0.558|0.018|0.022| 6/8 Doc ID 12634 Rev 2 **Ordering information** **BAT48** ## **3 Ordering information** ## **Table 9. Ordering information** |**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**| |---|---|---|---|---|---| |BAT48ZFILM|Z48|SOD-123 Single|10 mg|3000|Tape and reel| |BAT48JFILM|48|SOD-323 Single|5 mg|3000|Tape and reel| |BAT48RL|BAT48|DO-35|15 mg|4000|Tape and reel| ## **4 Revision history** ## **Table 10. Document revision history** |**Date**|**Revision**|**Changes**| |---|---|---| |08-Aug-2006|1|Initial release.| |07-Jul-2011|2|Updated package information for SOD-123. Added DO-35 package.| 7/8 Doc ID 12634 Rev 2 **BAT48** ## **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. 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ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.** Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. © 2011 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** 8/8 Doc ID 12634 Rev 2
Updated at April 23, 2026
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