# Small Signal Schottky Diode, Dual Common Cathode, 40 V, 300 mA, 900 mV, 1 A, 150 °C

![Product image](https://novapart.co/image/farnell:2341637/)

**URL**: https://novapart.co/products/BAT54CWFILM/small-signal-schottky-diode-dual-common-cathode-40
**SKU**: BAT54CWFILM
**Manufacturer**: STMICROELECTRONICS
**Price**: €0.0350
**Stock**: 1000+
**Lead Time**: 127 days (indicative)

## Description

Diode Configuration:Dual Common Cathode; Repetitive Reverse Voltage Vrrm Max:40V; Forward Current If(AV):300mA; Forward Voltage VF Max:900mV; Forward Surge Current Ifsm Max:1A; Operat

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | BAT54 |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | SOT-323 |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 900mV |
| Forward Surge Current | 1A |
| Reverse Recovery Time | 5ns |
| Average Forward Current | 300mA |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 40V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2341637/)

 **Datasheet production data** 

## **BAT54** 

## Small signal Schottky diodes 

## **Features** 

- Low conduction and reverse losses 

- Negligible switching losses 

- Low forward and reverse recovery times 

- Extremely fast switching 

- Surface mount device 

- Low capacitance diode 

- ECOPACK[®] 2 compliant component 

## **Description** 

The BAT54 series uses 40 V Schottky barrier diodes packaged in SO123, SOD323, SOD523, SOT-23, or SOT-323. 

**Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF|300 mA|
|VRRM|40 V|
|C (typ)|7 pF|
|Tj(max)|150 °C|



June 2016 

DocID5505 Rev 12 

1/15 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**BAT54** 

## **1 Characteristics** 

**Table 2. 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||300|mA|
|IFSM|Surge non repetitive forward current|tp= 10 ms Sinusoidal|1.25|A|
|Tstg|Storage temperature range||-65 to +150|°C|
|Tj|Operating junction temperature range||-40 to +150|°C|
|TL|Maximum soldering temperature||260|°C|
||||||



**Table 3. Thermal parameters** 

|**Symbol**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|
|Rth(j-a)|Junction to ambient(1)|SOT-23, SOD-123|500|°C/W|
|||SOT-323, SOD323|550||
|||SOD-523|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= 30 V<br>|||1|µA|
|||Tj= 100 °C||||100||
|VF<br>(2)|Forward voltage drop|Tj= 25 °C|IF= 0.1 mA<br>IF= 1 mA<br>IF= 10 mA<br>IF= 30 mA<br>IF= 100 mA|||240|mV|
|||||||320||
|||||||400||
|||||||500||
|||||||900||



1. Pulse test: tp = 5 ms,  < 2% 

2. Pulse test: tp = 380 µs,  < 2% 

**Table 5. Dynamic characteristics** 

|**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|
|C|Diode capacitance|VR= 1 V, F = 1 MHz||7|10|pF|
|trr|Reverse recovery time|IF= 10 mA, IR= 10 mA, Tj= 25 °C<br>Irr= 1 mA, RL= 100|||5|ns|



2/15 

DocID5505 Rev 12 

**Characteristics** 

**BAT54** 

**Figure 1. Average forward power dissipation versus average forward current** 

**Figure 2. Average forward current versus ambient temperature (**  **= 1)** 

**==> picture [425 x 125] intentionally omitted <==**

**----- Start of picture text -----**<br>
P(W) IF(AV)(A)<br>0.35 0.35<br>δ=0.05 δ=0.2 δ=0.1 δ=0.5 δ=1<br>0.30 |_|oo] | | | 0.30 fFa| | | | [ | f Jf [ ft yf<br>ee ee eee eee f | Fw | tT tT ft tl rt<br>0.25 0.25<br>0.20 eeSHEA | 0.20 CNa<br>0.15 nere eeeA eee 0.15 (|es| [| | | [ | [| [TNT TF<br>0.10 mn Area T 0.10 T a<br>0.05 nec anmm LFA. 0.05 FLA. a<br>Loo I F(AV) (A) δ [=tp/T] tp δ [=tp/T] tp aan T amb (°C)<br>0.00 Ao 0.00 FF SEN<br>0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 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** 

**==> picture [426 x 125] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.E+02 IR(µA) 1.E+04 IR[Tj] / IR[Tj=25°C]<br>T j =100°C VR=3V<br>1.E+03<br>1.E+01 eeae ee ee —_——S—SS SS SS=== SSS<br>1.E+02<br>1.E+00 ee oe ee Tj=50° ee C Lt te<br>SS SS SS eS SS a SS SC SS<br>SS SS 1.E+01 ee<br>1.E-01 ee Tj=25°C SSS<br>=== SSS = 1.E+00 eeSS SSS =<br>ee ee ee V R (V) =————— T j (°C)<br>1.E-02 FRESE SS 1.E-01 aS SEE<br>0 5 10 15 20 25 30 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 [426 x 124] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 C(pF) 1.E+00 IFM(A)<br>F=1MHz Tj=100°C<br>VOSC=30mVRMS<br>T j =25°C<br>———es OO 1.E-01 Secccaccccccass=2>zcsceaneAer<br>PSE th meee ee eenen ne 2ceeeneeneree<br>| Pe 1.E-02 REE REE EREEEREEES T j =50°C<br>PT PRL—ETT BESES2/7OSSRSERRERRREREEEB====<br>Tj=25°C<br>eel BERGA. SRREREREEEEES<br>1.E-03 Tj=-40 °C<br>1 yyy VR(V) yy 1.E-04 RRRseEORTCOACE RRR EERREREEEEES VFM(V) CP<br>1 10 100 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>


DocID5505 Rev 12 

3/15 

**Characteristics** 

**BAT54** 

**Figure 7. Thermal resistance junction to ambient versus copper surface under each lead (SOD323)** 

**Figure 8. Relative variation of thermal impedance junction to ambient versus pulse duration (SOD323)** 

**==> picture [462 x 137] intentionally omitted <==**

**----- Start of picture text -----**<br>
600 Rth(j-a)(°C/W) 1.E+00 Zth(j-a)/Rth(j-a)<br>Epoxy FR4eCU=35 µm Single pulse SOD323<br>500<br>1.E-01<br>400<br>1.E-02<br>300<br>Epoxy FR4<br>SCU=2.25 mm²<br>SCU(mm²) tP(s) e CU =35 µm<br>200 1.E-03<br>0 5 10 15 20 25 30 35 40 45 50 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03<br>**----- End of picture text -----**<br>


**Figure 9. Relative variation of thermal impedance junction to ambient versus pulse duration (SOT23)** 

**Figure 10. Relative variation of thermal impedance junction to ambient versus pulse duration (SOD-523)** 

**==> picture [462 x 138] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.E+00 Zth(j-a)/Rth(j-a) 1.E+00 Zth(j-a)/Rth(j-a)<br>Single pulse Single pulse<br>SOT23 SOD523<br>1.E-01<br>1.E-01<br>1.E-02<br>Alumine substrate<br>10 x 8 x 0.5 mm Epoxy FR4<br>tP(s) tP(s) e CU =35 µm<br>1.E-02 1.E-03<br>1.E-03 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>**----- End of picture text -----**<br>


4/15 

DocID5505 Rev 12 

**BAT54** 

**Package information** 

## **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. 

## **Figure 11. SOD123 dimension definitions** 

**==> picture [296 x 246] intentionally omitted <==**

**----- Start of picture text -----**<br>
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DocID5505 Rev 12 

5/15 

**Package information** 

**BAT54** 

**Table 6. SOD123 dimension values** 

||**Table 6. SOD123 dimension values**|**Table 6. SOD123 dimension values**|**Table 6. SOD123 dimension values**|**Table 6. SOD123 dimension values**|**Table 6. SOD123 dimension values**|**Table 6. SOD123 dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**|**Dimensions**||||||
||**Millimeters**|||**Inches**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A<br>~~a~~<br>~~a~~|~~ee~~<br>~~ee ee~~|~~ee~~<br>~~ee ee ee~~|1.45<br>~~ee~~<br>~~ee ee~~|~~ee~~<br>~~ee ee~~|~~ee~~|0.057|
|A1<br>~~a~~<br>~~a~~<br>~~a~~|0<br>~~ee~~<br>~~ee ee~~<br>~~ee~~|~~ee~~<br>~~ee ee ee~~<br>~~ee ee~~|0.10<br>~~ee ~~<br>~~ee ee~~<br>~~ee~~|~~ee~~<br>~~ee ee~~<br>~~ee~~|0<br>~~ee~~<br>~~ee~~|0.004|
|A2<br>~~a~~<br>~~a~~|0.85<br>~~ee ee~~<br>~~ee~~|~~ee ee ee~~<br>~~ee ee~~|1.35<br>~~ee ee~~<br>~~ee~~|0.033<br>~~ee ee~~<br>~~ee~~|~~ee~~<br>~~ee~~|0.053|
|b<br>~~a ~~<br>~~a~~<br>~~a~~|~~ee~~<br>~~es~~<br>~~ee~~|0.55<br>~~ee ee~~<br>~~es~~<br>~~ee~~|~~ee ~~<br>~~es~~<br>~~es~~|~~ee~~<br>~~es~~<br>~~ee~~|0.022<br>~~ee~~<br>~~es~~|~~es~~|
|c<br>~~a~~<br>~~a~~|~~ee~~<br>~~ee~~|0.15<br>~~ee~~<br>~~ee~~|~~es~~<br>~~es~~|~~ee~~|0.039||
|D<br>~~a~~<br>~~a~~<br>~~a~~|2.55<br>~~ee~~<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee~~<br>~~ee es~~|2.85<br>~~es ~~<br>~~es~~<br>~~es~~|0.1<br> ~~ee~~<br>~~ee~~||0.112|
|E<br>~~a~~<br>~~a~~<br>~~a~~|1.4<br>~~ee~~<br>~~ee~~<br>~~ee ee~~|~~ee~~<br>~~ee es~~<br>~~ee ee ee~~|1.70<br>~~es~~<br>~~es~~<br>~~ee ee~~|0.055<br>~~ee~~<br>~~ee ee~~|~~ee~~|0.067|
|G<br>~~a~~<br>~~a~~<br>~~a~~|0.25<br>~~ee~~<br>~~ee ee~~<br>~~ee~~|~~ee es~~<br>~~ee ee ee~~<br>~~ee ee ee~~|~~es~~<br>~~ee ee~~<br>~~ee ee~~|0.01<br>~~ee~~<br>~~ee ee~~<br>~~ee ee~~|~~ee~~<br>~~ee~~||
|H<br>~~a~~<br>~~a~~|3.55<br>~~ee ee~~<br>~~ee~~|~~ee ee ee~~<br>~~ee ee ee~~|3.75<br>~~ee ee~~<br>~~ee ee~~|0.14<br>~~ee ee~~<br>~~ee ee~~|~~ee~~<br>~~ee~~|0.148|



6/15 

DocID5505 Rev 12 

**BAT54** 

**Package information** 

## **Figure 13. SOD323 dimension definitions** 

**Table 7. SOD323 dimension values** 

||**Table 7. SOD323 dimension values**|**Table 7. SOD323 dimension values**|**Table 7. SOD323 dimension values**|**Table 7. SOD323 dimension values**|**Table 7. SOD323 dimension values**|**Table 7. SOD323 dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**|**Dimensions**||||||
||**Millimeters**|||**Inches**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A<br>~~a~~<br>~~a~~|~~es~~<br>~~es ee~~|~~es~~<br>~~ee~~|1.17|||0.046|
|A1<br>~~a~~<br>~~I~~|0<br>~~es ee~~<br>~~es ee~~|~~ee~~<br>~~ee~~|0.1|0||0.004|
|b<br>~~a~~<br>~~I~~<br>~~a~~|0.25<br>~~es ee~~<br>~~es ee~~<br>~~es~~|~~ee~~<br>~~ee~~<br>~~ee~~|0.44<br>~~ee~~|0.01||0.017|
|c<br>~~I~~<br>~~a~~|0.1<br>~~es ee~~<br>~~es~~|~~ee~~<br>~~ee~~|0.25<br>~~ee~~|0.004||0.01|
|D<br>~~a~~<br>~~a~~|1.52<br>~~es~~<br>~~es~~|~~ee~~<br>~~es~~|1.8<br>~~ee~~<br>~~es~~|0.06<br>~~es~~|~~es~~|0.071<br>~~es~~|
|E<br>~~a~~|1.11<br>~~es~~|~~es~~|1.45<br>~~es~~|0.044<br>~~es~~|~~es~~|0.057<br>~~es~~|
|H<br>~~a~~<br>~~a~~|2.3<br>~~es~~<br>|~~ee~~<br>|2.7<br>|0.09<br>||0.106<br>|
|L<br>~~a~~<br>~~a~~|0.1<br>~~es~~<br>|~~ee~~<br>|0.46<br>|0.004<br>||0.02<br>|
|Q1<br>~~a~~|0.1<br>~~es~~<br>~~se~~|~~ee~~<br>~~se~~|0.41<br>~~se~~|0.004<br>~~se~~|~~se~~|0.016<br>~~se~~|



DocID5505 Rev 12 

7/15 

**Package information** 

**BAT54** 

## **Figure 15. SOD-523 dimension definitions** 

**Table 8. SOD-523 dimension values** 

||**Table 8. SOD-523 dimension values**|**Table 8. SOD-523 dimension values**|**Table 8. SOD-523 dimension values**|**Table 8. SOD-523 dimension values**|**Table 8. SOD-523 dimension values**|**Table 8. SOD-523 dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**<br>~~_——~~|**Dimensions**<br>~~ee~~<br>~~ee~~<br>~~_——~~||||||
||**Millimeters**<br>~~ee~~<br>~~_——~~|||**Inches**<br>~~ee~~<br>~~_——~~|||
||**Min.**<br>~~ee~~<br>~~_——~~|**Typ.**<br>~~ee~~<br>~~_——~~|**Max.**<br>~~ee~~<br>~~_——~~|**Min.**<br>~~_——~~|**Typ.**<br>~~ee~~|**Max.**<br>~~ee~~|
|A<br>~~a~~<br>~~a~~|0.50<br>~~ee~~<br>~~ee ee~~|0.60<br>~~es ee~~<br>~~ee es~~|0.70<br>~~ee~~<br>~~es ee~~|0.020<br>~~ee~~|0.024|0.028|
|E<br>~~a~~<br>~~a~~<br>~~a~~|1.50<br>~~ee ~~<br>~~ee ee~~<br>~~ee ee~~|1.60<br> ~~es ee~~<br>~~ee es~~<br>~~ee ee~~|1.70<br>~~ee~~<br>~~es ee~~<br>~~eeee~~|0.059<br>~~ee~~<br>~~ee~~|0.063<br>~~ee~~|0.067<br>~~ee~~|
|E1<br>~~a~~<br>~~a~~<br>~~a~~|1.10<br>~~ee ee~~<br>~~ee ee~~<br>~~ee ee~~|1.20<br>~~ee es~~<br>~~ee ee~~<br>~~ee~~|1.30<br>~~es ee~~<br>~~eeee~~|0.043<br>~~ee~~<br>~~ee~~|0.047<br>~~ee~~|0.051<br>~~ee~~|
|D<br>~~a~~<br>~~a~~<br>~~a~~|0.70<br>~~ee ee~~<br>~~ee ee~~<br>~~ee~~|0.80<br>~~ee ee~~<br>~~ee~~<br>~~ee es~~|0.90<br>~~ee ee~~<br>~~es~~|0.028<br>~~ee~~<br>~~ee~~|0.031<br>~~ee~~<br>~~ee~~|0.035<br>~~ee~~|
|b<br>~~a~~<br>~~a~~<br>~~a~~|0.25<br>~~ee ee~~<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee es~~<br>~~ee ee~~|0.35<br>~~es~~<br>~~ee~~|0.010<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~es~~|0.014|
|c<br>~~a~~<br>~~a~~<br>~~a~~|0.07<br>~~ee~~<br>~~ee~~<br>~~ee~~|~~ee es~~<br>~~ee ee~~<br>~~ee es~~|0.20<br>~~es~~<br>~~ee~~<br>~~es~~|0.003<br>~~ee~~<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~es~~<br>~~ee~~|0.008|
|L<br>~~a~~<br>~~a~~<br>~~a~~|0.15<br>~~ee~~<br>~~ee~~<br>~~ee ee~~|0.20<br>~~ee ee~~<br>~~ee es~~<br>~~ee ee~~|0.25<br>~~ee~~<br>~~es~~<br>~~ee~~|0.006<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.008<br>~~es~~<br>~~ee~~|0.010|
|L1<br>~~a~~<br>~~a~~|0.05<br>~~ee~~<br>~~ee ee~~|~~ee es~~<br>~~ee ee~~|0.20<br>~~es ~~<br>~~ee~~|0.002<br> ~~ee~~<br>~~ee~~|~~ee~~|0.008|



8/15 DocID5505 Rev 12 ~~>~~ 

**BAT54** 

**Package information** 

## **Figure 17. SOT23 dimension definitions** 

DocID5505 Rev 12 

9/15 

**Package information** 

**BAT54** 

**Table 9. SOT23 dimension values** 

||**Table 9. SOT23 dimension values**|**Table 9. SOT23 dimension values**|**Table 9. SOT23 dimension values**|**Table 9. SOT23 dimension values**|**Table 9. SOT23 dimension values**|**Table 9. SOT23 dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**<br>~~a~~|**Dimensions**<br>~~a~~||||||
||**Millimeters**<br>~~a~~<br>~~ee~~<br>~~**e**s a~~<br>~~ee~~|||**Inches**<br>~~a~~<br>~~ee~~<br>~~eeeee~~|||
||**Min.**<br>~~**e**s a~~|**Typ.**<br>~~a~~|**Max.**<br>~~ee~~|**Min.**<br>~~ee~~|**Typ.**<br>~~eeeee~~|**Max.**<br>~~eee~~|
|A<br>~~a~~<br>~~a~~|0.89<br>~~**e**s a~~<br>|~~a~~<br>|1.4<br>~~ee~~<br>~~e~~<br>|0.035<br>~~ee~~<br>~~e~~<br>~~ee~~<br><br>~~ee~~|~~eeeee~~<br>~~e~~<br>~~ee~~<br><br>~~ee~~|0.055<br>~~eee~~<br>~~e~~<br>|
|A1<br>~~a~~<br>~~a~~|0<br>~~**e**s a~~<br>~~ee~~|~~a~~<br>~~ee~~|0.1<br>~~ee ~~<br>~~e~~<br>~~ee~~|0<br> ~~ee~~<br>~~e~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|~~eeeee~~<br>~~e~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.004<br>~~eee~~<br>~~e~~<br>~~ee~~|
|B|0.3||0.51|0.012<br>~~ee~~|~~ee~~|0.02|
|c<br>~~a~~<br>~~a~~|0.085<br>~~ee~~|~~ee~~|0.18<br>~~ee~~|0.003<br>~~ee~~|~~ee~~|0.007<br>~~ee~~<br>~~ee~~|
|D<br>~~a~~<br>~~a~~|2.75<br>~~ee~~|~~ee~~|3.04<br>~~ee~~|0.108<br>~~ee~~|~~ee~~|0.12<br>~~ee~~<br>~~ee~~|
|e<br>~~a~~|0.85||1.05|0.033||0.041<br>~~ee~~|
|e1<br>~~a~~<br>~~a~~<br>~~es~~|1.7<br>~~ee~~<br>~~es~~|~~ee~~|2.1<br>~~ee~~|0.067<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee~~|0.083<br>~~ee~~<br>~~ee~~|
|E<br>~~a~~<br>~~a~~<br>~~es~~|1.2<br>~~ee~~<br>~~ee~~<br>~~es~~|~~ee~~<br>~~ee~~|1.75<br>~~ee~~<br>~~ee~~|0.047<br>~~ee~~<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee~~<br>~~ee~~|0.069<br>~~ee~~<br>~~ee~~|
|H<br>~~es~~|2.1<br>~~es~~||3.00|0.083<br>~~ee~~|~~ee~~|0.118|
|L<br>~~es~~|~~es~~|0.6|~~ee~~|~~ee~~|0.024<br>~~ee~~||
|S<br>~~es~~|0.35<br>~~es~~|~~es~~|0.65<br>~~es~~<br>~~ee~~|0.014<br>~~es~~|~~es~~|0.026<br>~~es~~|



10/15 

DocID5505 Rev 12 

**BAT54** 

**Package information** 

## **Figure 19. SOT-323 dimension definitions** 

DocID5505 Rev 12 

11/15 

**Package information** 

**BAT54** 

**Table 10. SOT-323 dimension values** 

||**Table 10. SOT-323 dimension values**|**Table 10. SOT-323 dimension values**|**Table 10. SOT-323 dimension values**|**Table 10. SOT-323 dimension values**|**Table 10. SOT-323 dimension values**|**Table 10. SOT-323 dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**|**Dimensions**||||||
||**Millimeters**|||**Inches**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A<br>~~ee~~|0.8<br>~~ee~~|~~ee ee~~|1.1<br>~~ee~~|0.031<br>~~ee~~||0.043|
|A1<br>~~ee~~<br>~~A~~|0.0<br>~~ee~~<br>~~A~~|~~ee ee~~<br>~~A~~|0.1<br>~~ee~~<br>~~A~~|0.0<br>~~ee~~<br>~~A~~|~~A~~|0.004<br>~~A~~|
|b<br>~~A~~<br>~~a~~|0.25<br>~~A~~<br>|~~A~~|0.4<br>~~A~~|0.010<br>~~A~~|~~A~~<br>~~tp~~|0.016<br>~~A~~<br>~~tp~~|
|c<br>~~>~~<br>~~a~~|0.1<br>~~>~~<br>|~~>~~<br>~~pp~~|0.26<br>~~>~~<br>~~pp~~|0.004<br>~~>~~<br>~~pp~~|~~>~~<br>~~pp~~<br>~~tp~~|0.010<br>~~>~~<br>~~pp~~<br>~~tp~~|
|D<br>~~a~~|1.8<br>|2.0|2.2|0.071|0.079<br>~~tp~~|0.086<br>~~tp~~|
|E<br>~~>~~|1.15<br>~~>~~|1.25|1.35|0.045|0.049|0.053|
|e<br>~~>~~<br>~~a~~|0.6<br>~~>~~<br>~~aa~~|0.65<br>~~a~~|0.7<br>~~a~~<br>~~A~~|0.023<br>~~a~~<br>~~A~~|0.026<br>~~a~~<br>~~A~~|0.027<br>~~a~~<br>~~A~~|
|H<br>~~a~~<br>~~A~~|1.8<br>~~aa~~<br>~~A~~|2.1<br>~~a~~<br>~~A~~|2.4<br>~~a~~<br>~~A~~<br>~~A~~|0.071<br>~~a~~<br>~~A~~<br>~~A~~|0.083<br>~~a~~<br>~~A~~<br>~~A~~|0.094<br>~~a~~<br>~~A~~<br>~~A~~|
|L<br>~~pp~~|0.1<br>~~pp~~|0.2<br>~~pp~~|0.3<br>~~pp~~|0.004<br>~~pp~~|0.008<br>~~pp~~|0.012<br>~~pp~~|
|q<br>~~A~~|0<br>~~A~~|~~A~~|30°<br>~~A~~|0<br>~~A~~|~~A~~|30°<br>~~A~~|



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**Ordering information** 

**BAT54** 

## **3 Ordering information** 

## **Figure 21. Ordering information scheme** 

**Table 11. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|BAT54FILM|D86|SOT-23 Single|10 mg|3000|Tape and reel|
|BAT54SFILM|D88|SOT-23 Serial|10 mg|3000|Tape and reel|
|BAT54CFILM|D87|SOT-23<br>Common cathode|10 mg|3000|Tape and reel|
|BAT54AFILM|D84|SOT-23<br>Common anode|10 mg|3000|Tape and reel|
|BAT54WFILM|D73|SOT-323 Single|6 mg|3000|Tape and reel|
|BAT54SWFILM|D78|SOT-323 Serial|6 mg|3000|Tape and reel|
|BAT54CWFILM|D77|SOT-323<br>Common cathode|6 mg|3000|Tape and reel|
|BAT54AWFILM|D74|SOT-323<br>Common anode|6 mg|3000|Tape and reel|
|BAT54JFILM|86|SOD-323|5 mg|3000|Tape and reel|
|BAT54JFILM-HQ|86|SOD-323|5 mg|10000|Tape and reel|
|BAT54KFILM|86|SOD-523|1.4 mg|3000|Tape and reel|
|BAT54ZFILM|D72|SOD-123|10 mg|3000|Tape and reel|



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**Revision history** 

**BAT54** 

## **4 Revision history** 

**Table 12. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|Jun-1999|8|Last update.|
|24-Jul-2006|9|BAT54, A, C, S and BAT54J / W / AW / CW /SW datasheets merged.<br>ECOPACK statement added. SOD-123, SOD-523 and SOT-666<br>packages added.|
|13-Oct-2009|10|Updated Table 8 quote “L1” from 0.10 to 0.05.|
|02-Feb-2015|11|Updated Figure 22 for product in end of life. Removed SOT-666<br>package information and reformatted to current standard.|
|28-Jun-2016|12|Updated_Table 11_.|



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**BAT54** 

## **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. 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. 

© 2016 STMicroelectronics – All rights reserved 

DocID5505 Rev 12 

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## Links

- [View this product on Novapart](https://novapart.co/products/BAT54CWFILM/small-signal-schottky-diode-dual-common-cathode-40)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/bat54cwfilm/diode-schottky-0-3a-40v-sot-323/dp/2341637)
---

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