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BAT46ZFILM
Small Signal Diode, Single, 100 V, 150 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):150mA; Forward Voltage VF Max:1V; Reverse Recovery Time trr Max:-; Forward Surge Curre
- SVHC: No SVHC (25-Jun-2025)
- No. of Pins: 2Pins
- Product Range: BAT46
- Qualification: -
- Diode Mounting: Surface Mount
- Diode Case Style: SOD-123
- Diode Configuration: Single
- Forward Voltage Max: 1V
- Forward Surge Current: 1A
- Reverse Recovery Time: -
- Average Forward Current: 150mA
- Operating Temperature Max: 150°C
- Repetitive Peak Reverse Voltage: 100V
| Delivery and price | |
|---|---|
| Units per pack | 9000 |
| Price | 0.037 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
**==> picture [61 x 39] intentionally omitted <==**
## **BAT46 Series**
## Small si nal Schottk diodes g y
## **Main product characteristics**
|IF|150 mA|
|---|---|
|VRRM|100 V|
|C (typ)|6 pF|
|Tj(max)|150° C|
## **Features and benefits**
- Very small conduction losses
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SOD-123<br>**----- End of picture text -----**<br>
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SOD-323<br>**----- End of picture text -----**<br>
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BAT46ZFILM<br>(Single)<br>**----- End of picture text -----**<br>
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BAT46JFILM<br>(Single)<br>**----- End of picture text -----**<br>
- Negligible switching losses
- Low forward voltage drop
- Surface mount device
## **Description**
Diodes in the BAT46 series are high voltage, small signal Schottky diodes suited for protection and routing operations.
## **Order codes**
|**Order codes**||
|---|---|
|**Part Number**|**Marking**|
|BAT46ZFILM|Z46|
|BAT46FILM|S46|
|BAT46AFILM|A46|
|BAT46CFILM|C46|
|BAT46SFILM|B46|
|BAT46WFILM|D46|
|BAT46AWFILM|DB6|
|BAT46CWFILM|DB8|
|BAT46SWFILM|B46|
|BAT46JFILM|46|
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BAT46FILM<br>(Single)<br>BAT46AFILM<br>(Common anode)<br>BAT46CFILM<br>(Common cathode)<br>**----- End of picture text -----**<br>
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SOT-23<br>**----- End of picture text -----**<br>
**BAT46SFILM (Series)**
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**----- Start of picture text -----**<br>
BAT46WFILM<br>(Single)<br>BAT46AWFILM<br>SOT-323 (Common anode)<br>BAT46CWFILM<br>(Common cathode)<br>BAT46SWFILM<br>(Series)<br>**----- End of picture text -----**<br>
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**----- Start of picture text -----**<br>
Configurations in top view<br>**----- End of picture text -----**<br>
1/11
July 2006
Rev 4
_www.st.com_
**Characteristics**
**BAT46 Series**
## **1 Characteristics**
|**Table 1.**<br>**Absolute ratings (limiting values at Tj = 25° C, unless otherwise specified)**|**Table 1.**<br>**Absolute ratings (limiting values at Tj = 25° C, unless otherwise specified)**|**Table 1.**<br>**Absolute ratings (limiting values at Tj = 25° C, unless otherwise specified)**|**Table 1.**<br>**Absolute ratings (limiting values at Tj = 25° C, unless otherwise specified)**|**Table 1.**<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||150|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(1)||150|° C|
|TL|Maximum soldering temperature(1)||260|° C|
1. Pulse test: tp = 380 µs, δ < 2 %
## **Table 2. Thermal parameters**
|**Table 2.**|**Thermalparameters**||||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|Rth(j-a)|Junction to ambient(1)|SOD-123, SOT-23|500|°C/W|
|||SOT-323, SOD-323,|550||
1. On epoxy printed circuit board with recommended pad layout
**Table 3. Static electrical characteristics**
|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR<br>(1)|Reverse leakage current|Tj= 25° C|VR= 1.5 V|||0.5|µA|
||||VR= 10 V|||0.8||
||||VR= 50 V|||2||
||||VR= 75 V|||5||
|||Tj= 60° C|VR= 1.5 V|||5||
||||VR= 10 V|||7.5||
||||VR= 50 V|||15||
||||VR= 75 V|||20||
|VF<br>(2)|Forward voltage drop|Tj= 25° C|IF= 0.1 mA|||0.25|V|
||||IF=10 mA|||0.45||
||||IF=250 mA|||1||
1. Pulse test: tp = 5 ms, δ < 2 %
2. Pulse test: tp = 380 µs, δ < 2 %
**Table 4. Dynamic characteristics**
|**Table 4.**|**Dynamic characteristics**||||||
|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ**|**Max.**|**Unit**|
|C|Diode capacitance|VR= 0 V, F = 1 MHz||10||pF|
|||VR= 1 V, F = 1 MHz||6|||
2/11
**BAT46 Series**
**Characteristics**
**Figure 1. Average forward power dissipation Figure 2. Average forward current versus versus average forward current ambient temperature (** δ **= 1)**
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P(W)<br>0.12<br>COLI δ=0.05 δ=0.1 δ=0.2 δ=0.5 δ=1<br>0.10 PPP tA A A ee<br>See eee canes<br>0.08 POO A er<br>PEP tT Ty A eee<br>0.06 LiCLL LIAYMACEEEELEA A Ae LL<br>0.04 aae)7/YA4aeue T<br>0.02<br>IF(AV)(A) δ [=tp/T] tp<br>0.00 Zane | | |<br>0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18<br>**----- End of picture text -----**<br>
**==> picture [192 x 124] intentionally omitted <==**
**----- Start of picture text -----**<br>
IF(AV)(A)<br>0.16 a<br>0.14<br>ESS SS SS ES<br>0.12 a a<br>0.10 SN<br>a a<br>0.08 aa a a<br>0.06<br>RSE T ERE ERAS<br>0.04 _ a<br>0.02 δ [=tp/T] tp<br>Tamb(°C)<br>0.00 ee e e ee<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**
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IR(µA)R(µA)(µA)<br>1.E+03<br>===] =_aa=====—— =_aa=====—— Tj=125 °C<br>a<br>1.E+02 Seer Tj=100 °C<br>=== == SS SSS SSS<br>Tj=75 °C<br>1.E+01<br>Soeeeeeeee8ee=—<br>Tj=50 °C<br>SRS,<br>1.E+00 oeSS=— eee<br>o.oo] Tj=25 °C e e<br>1.E-01 e e VR(V)R(V)(V)<br>10 20 30 40 50 60 70 80 90 100<br>**----- End of picture text -----**<br>
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**----- Start of picture text -----**<br>
IR(µA)R(µA)(µA) IR(µA)<br>1.E+03 1.E+04<br>===] =_aa=====—— =_aa=====—— Tj=125 °C OO VR=75 V<br>a 1.E+03 a e e<br>1.E+02 Seer Tj=100 °C |<br>1.E+02<br>=== == SS SSS SSS SSeeeeee<br>Tj=75 °C<br>1.E+01 1.E+01<br>Soeeeeeeee8ee=— Seen eeees<br>Tj=50 °C<br>SRS, 1.E+00 ee<br>1.E+00 oeSS=— eee ee<br>o.oo] Tj=25 °C e e 1.E-01 =———————<br>1.E-01 e e VR(V)R(V)(V) 1.E-02 a Tj(°C)<br>10 20 30 40 50 60 70 80 90 100 0 25 50 75 100 125 150<br>Junction capacitance versus Figure 6. Forward voltage drop versus<br>reverse applied voltage (typical forward current (typical values,<br>values)) low-level)<br>C(pF) IFM(mA)<br>12 20<br>10 (|ee| a | ee[| [| | [| VOSCF=1 MHzTj=25 °C=30 mVRMS 18 aE+<br>16<br>| | {| [| | | [| ee ee ee ee 9 AFo<br>8 a 14 ——eo<br>12 Tj=125 °C<br>Tj=25 °C<br>6 a{|a a ayfa | a tf | 108 oe A eeeeeeee 2 2 ee Co]<br>4<br>A a a a a 6 ese e<br>IXP A<br>2 ee 4 SSSSS<br>2<br>VR(V) VFM(V)<br>0 = (| [| | | fT ft 0 aeee ee ee a<br>0 10 20 30 40 50 60 70 80 90 100 0.0 0.1 0.2 0.3 0.4 0.5 0.6<br>**----- End of picture text -----**<br>
## **Figure 5. Junction capacitance versus reverse applied voltage (typical values))**
3/11
**Characteristics**
**BAT46 Series**
## **Figure 7. Forward voltage drop versus forward current (typical values, high-level)**
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IFM(A)<br>1.E+00<br>Tj=125 °C<br>1.E-01 Tj=25 °C<br>VFM(V)<br>1.E-02<br>0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0<br>**----- End of picture text -----**<br>
**Figure 8. Relative variation of thermal impedance junction to ambient versus pulse duration - printed circuit board, epoxy FR4 eCU = 35 µm (SOD-323)**
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Zth(j-a)/Rth(j-a)<br>1.00<br>Single pulse<br>SOD-323<br>0.10<br>Epoxy FR4<br>SCU=2.25 mm²<br>tP(s) eCU=35 µm<br>0.01<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 - aluminium oxide substrate 10 mm x 8 mm x 0.5 mm (SOT-23)**
**Figure 10. Variation of thermal impedance junction to ambient versus pulse duration - printed circuit board, epoxy FR4, eCU = 35 µm (SOT-323)**
**==> picture [462 x 335] intentionally omitted <==**
**----- Start of picture text -----**<br>
1.00 Zth(j-a)/Rth(j-a) 1000 Zth(j-a)(°C/W)<br>Single pulse Single pulse<br>SOT-23 SOT-323<br>0.10 100<br>Alumine substrate<br>10 x 8 x 0.5 mm<br>tP(s) tP(s)<br>0.01 10<br>1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02<br>Figure 11. Thermal resistance junction to<br>ambient versus copper surface<br>under each lead, epoxy FR4,<br>eCU = 35 µm (SOD-323)<br>Rth(j-a)(°C/W)<br>600<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>
4/11
**BAT46 Series**
**Ordering information scheme**
## **2 Ordering information scheme**
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**----- Start of picture text -----**<br>
BAT46 xx xx FILM<br>Signal Schottky diodes<br>Configuration<br>No letter = Single diode<br>A = Common anode<br>C = Common cathode<br>S = Series diodes<br>Package<br>Blank = SOT-23<br>J = SOD-323<br>W = SOT-323<br>Z = SOD-123<br>Package<br>FILM = Tape and reel<br>**----- End of picture text -----**<br>
5/11
**BAT46 Series**
**Package information**
## **3 Package information**
Epoxy meets UL94, V0
|**Table**|**Table**|**Table**|**5.**|**SOD-123 dimensions**|**SOD-123 dimensions**|**SOD-123 dimensions**|**SOD-123 dimensions**||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||**b**<br>**A1**<br>**A2**<br>**A**||**Ref.**|**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 12. SOD-123 footprint (dimensions in mm)**
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**----- Start of picture text -----**<br>
4.45<br>0.65<br>0.97 2.51 0.97<br>**----- End of picture text -----**<br>
6/11
**BAT46 Series**
**Package information**
**==> picture [158 x 9] intentionally omitted <==**
**----- Start of picture text -----**<br>
Table 6. SOD-323 dimensions<br>**----- End of picture text -----**<br>
||||||||||||**A1**<br>**A**|**A1**<br>**A**|**Ref.**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||**H**||||**b**<br>**L**<br>**Q1**|||||||**Millimeters**||**Inches**||
||||||||||||||||**Min.**|**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**||||**13.**<br>**SOD-323 footprint(dimensions in mm)**|||||||||||||||
||||||||||||||||**0.54**||||
|||||||||||**3.20**<br>**1.08**<br>**1.06**|||||||||
||||||||||||||||||||
||||||||||**1.06**|||**1.06**|||||||
||||||||||||||||||||
7/11
**BAT46 Series**
**Package information**
## **Table 7. SOT-23 dimensions**
|**B**|**B**||||||||**1**<br>**A**<br>**D**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||||||||**Millimeters**||**Inches**||
|||||**E**||**A**<br><br>**L**<br>**e**<br>**e1**<br>**S**<br>**c**|||||||||
||||||||||||**Min.**|**Max.**|**Min.**|**Max.**|
|||||||||||A|0.89|1.4|0.035|0.055|
||||||||||||||||
|||||||||**e1**||A1|0|0.1|0|0.004|
|||||||||||B|0.3|0.51|0.012|0.02|
||||||||||||||||
|||||||||||c|0.085|0.18|0.003|0.007|
||||||||||||||||
|||||||||||D|2.75|3.04|0.108|0.12|
||||||||||||||||
|||||||||||e|0.85|1.05|0.033|0.041|
|||||||||||e1|1.7|2.1|0.067|0.083|
||||||||||||||||
|||||**H**||||||E|1.2|1.6|0.047|0.063|
|||||||||||H|2.1|2.75|0.083|0.108|
|||||||||||L|0.6 typ.||0.024 typ.||
|||||||||||S|0.35|0.65|0.014|0.026|
## **Figure 14. SOT-23 footprint (dimensions in mm)**
**==> picture [200 x 164] intentionally omitted <==**
**----- Start of picture text -----**<br>
0.95 0.61<br>1.26<br>0.73 3.25<br>**----- End of picture text -----**<br>
8/11
**BAT46 Series**
**Package information**
## **Table 8. 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 15. 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>
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
9/11
**Ordering information**
**BAT46 Series**
## **4 Ordering information**
|**Part Number**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|BAT46ZFILM|Z46|SOD-123 Single|10 mg|3000|Tape and reel|
|BAT46FILM|S46|SOT-23 Single|10 mg|3000|Tape and reel|
|BAT46AFILM|A46|SOT-23<br>Common anode|10 mg|3000|Tape and reel|
|BAT46CFILM|C46|SOT-23<br>Common cathode|10 mg|3000|Tape and reel|
|BAT46SFILM|B46|SOT-23 Series|10 mg|3000|Tape and reel|
|BAT46WFILM|D46|SOT-323 Single|6 mg|3000|Tape and reel|
|BAT46AWFILM|DB6|SOT-323<br>Common anode|6 mg|3000|Tape and reel|
|BAT46CWFILM|DB8|SOT-323<br>Common cathode|6 mg|3000|Tape and reel|
|BAT46SWFILM|B46|SOT-323 Series|6 mg|3000|Tape and reel|
|BAT46JFILM|46|SOD-323|5 mg|3000|Tape and reel|
## **5 Revision history**
|**Date**|**Revision**|**Description of Changes**|
|---|---|---|
|Jun-1999|3|Previous revision.|
|25-Jul-2006|4|BAT46Z, J, W datasheets merged. ECOPACK statement<br>added.|
10/11
**BAT46 Series**
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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 →