# Small Signal Diode, Single, 40 V, 350 mA, 900 mV, 2 A

![Product image](https://novapart.co/image/farnell:2341643/)

**URL**: https://novapart.co/products/BAT48ZFILM/small-signal-diode-single-40-v-350-ma-900-mv-2-a
**SKU**: BAT48ZFILM
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Small Signal Diodes
**Price**: €0.0370
**Stock**: 10+

## Description

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

## Specifications

| Parameter | Value |
|---|---|
| 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 |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2341643/)

**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>


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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>


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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** 

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8/8 

Doc ID 12634 Rev 2 



## Links

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- [Supplier page](https://es.farnell.com/stmicroelectronics/bat48zfilm/diode-schottky-0-35a-40v-sod-123/dp/2341643)
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