ST BAT54 User Manual

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Features

■ Low conduction and reverse losses

■ Negligible switching losses

■ Low forward and reverse recovery times

■ Extremely fast switching

■ Surface mount device

■ Low capacitance diode

Description

The BAT54 series uses 40 V Schottky barrier diodes packaged in SOD- 23, SOD-323, SOD-523, SOT-23, SOT-323, or SOT-666.

BAT54

Small signal Schottky diodes

BAT54ZFILM (Single)

SOD-123

BAT54JFILM BAT54JFILM-H

SOD-323

SOD-523

SOT-23

(Single)

BAT54KFILM (Single)

BAT54FILM (Single)

BAT54AFILM (Common anode)

BAT54SFILM (Series)

Table 1. Device summary

Symbol Value

RRM

(typ) 7 pF

(max) 150 °C

300 mA

40 V

SOT-323

SOT-666

Configurations in top view

BAT54CFILM (Common cathode)

BAT54WFILM (Single)

BAT54CWFILM (Common cathode)

BAT54AWFILM (Common anode)

BAT54SWFILM (Series)

BAT54-07P6FILM (2 parallel diodes)

BAT54-09P6FILM (2 opposite diodes)

October 2009 Doc ID 5505 Rev 10 1/13

www.st.com

Characteristics BAT54

1 Characteristics

Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)

Symbol Parameter Value Unit

Table 3. Thermal parameters

Repetitive peak reverse voltage 40 V

RRM

Continuous forward current 300 mA

Surge non repetitive forward current tp = 10 ms Sinusoidal 1 A

FSM

Storage temperature range -65 to +150 °C

stg

Operating junction temperature range -40 to +150 °C

Maximum soldering temperature 260 °C

Symbol Parameter Value Unit

Junction to ambient

th(j-a)

(1)

SOT-23, SOD-123 500

SOT-323, SOD-323, 550

°C/W

SOD-523, SOT-666 600

1. Epoxy printed circuit board with recommended pad layout

Table 4. Static electrical characteristics

Symbol Parameter Test conditions Min. Typ. Max. Unit

= 25 °C

(1)

Reverse leakage current

= 100 °C 100

= 30 V

IF = 0.1 mA 240

= 1 mA 320

(2)

1. Pulse test: tp = 5 ms, δ < 2 %

2. Pulse test: tp = 380 µs, δ < 2 %

Table 5. Dynamic characteristics

Symbol Parameter

Forward voltage drop Tj = 25 °C

Test conditions

= 10 mA 400

= 30 mA 500

= 100 mA 900

Min. Typ. Max. Unit

µA

Diode

capacitance

Reverse recovery time

= 1 V, F = 1 MHz 7 10 pF

IF = 10 mA, IR = 10 mA, Tj = 25 °C I

= 1 mA, RL = 100 Ω

2/13 Doc ID 5505 Rev 10

5ns

BAT54 Characteristics

Figure 1. Average forward power dissipation

versus average forward current

P(W)

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35

δ=0.05

δ=0.2

δ=0.1

F(AV)

δ=0.5

(A)

=tp/T

δ=1

Figure 3. Reverse leakage current versus

reverse applied voltage (typical values)

IR(µA)

1.E+02

Tj=100°C

1.E+01

1.E+00

1.E-01

1.E-02 0 5 10 15 20 25 30

Tj=50°C

Tj=25°C

VR(V)

Figure 2. Average forward current versus

ambient temperature (δ = 1)

(A)

F(AV)

0.35

0.30

0.25

0.20

0.15

=tp/T

(°C)

amb

0.10

0.05

0.00 0 25 50 75 100 125 150

Figure 4. Reverse leakage current versus

junction temperature

IR[Tj]/IR[Tj=25°C]

1.E+04

VR=3V

1.E+03

1.E+02

1.E+01

1.E+00

1.E-01

0 25 50 75 100 125 150

Tj(°C)

Figure 5. Junction capacitance versus

reverse applied voltage (typical values)

C(pF)

1 10 100

VR(V)

F=1MHz

OSC

Tj=25°C

=30mV

Figure 6. Forward voltage drop versus

forward current (typical values)

IFM(A)

1.E+00

RMS

1.E-01

1.E-02

1.E-03

1.E-04

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

Doc ID 5505 Rev 10 3/13

Tj=100°CTj=100°C

Tj=50°CTj=50°C

Tj=25°CTj=25°C

Tj=-40 °CTj=-40 °C

VFM(V)

Characteristics BAT54

Figure 7. Thermal resistance junction to

ambient versus copper surface under each lead (SOD-323)

(°C/W)

th(j-a)

600

Epoxy FR4

=35 µm

500

400

300

200

0 5 10 15 20 25 30 35 40 45 50

SCU(mm²)

Figure 9. Relative variation of thermal

impedance junction to ambient versus pulse duration (SOT-23)

th(j-a)/Rth(j-a)

1.E+00

Single pulse

SOT23

Figure 8. Relative variation of thermal

impedance junction to ambient versus pulse duration (SOD-323)

th(j-a)/Rth(j-a)

1.E+00

Single pulse

SOD323

1.E-01

1.E-02

Epoxy FR4

=2.25 mm²

=35 µm

1.E-03

1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03

tP(s)

Figure 10. Relative variation of thermal

impedance junction to ambient versus pulse duration (SOD-523)

th(j-a)/Rth(j-a)

1.E+00

Single pulse

SOD523

1.E-01

1.E-02

Alumine substrate

1.E-02

1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02

tP(s)

10 x 8 x 0.5 mm

1.E-03

1.E-03 1.E-02 1.E-01 1.E+00 1.E+01

tP(s)

Epoxy FR4 e

=35 µm

Figure 11. Relative variation of thermal impedance junction to ambient versus pulse duration

th(j-a)/Rth(j-a)

1.E+00

Single pulse

SOT666

1.E-01

Epoxy FR4

=35 µm

1.E-02

1.E-03 1.E-02 1.E-01 1.E+00 1.E+01

tP(s)

4/13 Doc ID 5505 Rev 10

BAT54 Ordering information scheme

2 Ordering information scheme

Figure 12. Ordering information scheme

BAT54 xx xx FILM

Signal Schottky diodes

V = 40 V

RRM

Configuration

No letter = Single diode A = Common anode C = Common cathode S = Series diodes 07 = Parallel diodes 09 = Opposite diodes

Package

Blank = SOT-23 J = SOD-323 W = SOT-323 K = SOD-523 P6 = SOT-666 Z = SOD-123

Packing

FILM = Tape and reel

Doc ID 5505 Rev 10 5/13

Package information BAT54

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 specifications, grade definitions and product status are available at: www.st.com ECOPACK

Table 6. SOD-123 dimensions

packages, depending on their level of environmental compliance. ECOPACK®

is an ST trademark.

Dimensions

Ref.

A 1.45 0.057

Millimeters Inches

Min. Max. Min. Max.

A1 0 0.1 0 0.004

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

G0.25 0.01

H 3.55 3.95 0.14 0.156

Figure 13. SOD-123 footprint (dimensions in mm)

4.45

2.510.97 0.97

6/13 Doc ID 5505 Rev 10

0.65

BAT54 Package information

Table 7. SOD-323 dimensions

Dimensions

Figure 14. SOD-323 footprint (dimensions in mm)

3.20

Ref.

Millimeters Inches

Min. Max. Min. Max.

A 1.17 0.046

A1 0 0.1 0 0.004

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

1.081.06 1.06

0.54

Doc ID 5505 Rev 10 7/13

Package information BAT54

Table 8. SOD-523 dimensions

Dimensions

Ref.

Min. Typ. Max. Min. Typ. Max.

A 0.50 0.60 0.70 0.020 0.024 0.028

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

SEATING PLANE

0.15

2xb

0.20CCAABB

R0.1

8°

7°

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)

0.7

0.3

Millimeters Inches

8/13 Doc ID 5505 Rev 10

BAT54 Package information

Table 9. SOT-23 dimensions

Dimensions

Ref.

A 0.89 1.4 0.035 0.055

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

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 16. SOT-23 footprint (dimensions in mm)

0.95 0.61

Millimeters Inches

Min. Max. Min. Max.

0.73

1.26

3.25

Doc ID 5505 Rev 10 9/13

Package information BAT54

Table 10. SOT-323 dimensions

Dimensions

Ref.

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 17. SOT-323 footprint (dimensions in mm)

0.95

Millimeters Inches

1.0

0.500.8

2.9

10/13 Doc ID 5505 Rev 10

BAT54 Package information

Table 11. SOT-666 dimensions

Dimensions

Ref.

A 0.45 0.60 0.018 0.024

A3 0.08 0.18 0.003 0.007

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

E1 1.10 1.30 0.043 0.051

e0.50 0.020

L1 0.19 0.007

L2 0.10 0.30 0.004 0.012

L3 0.10 0.004

Figure 18. SOT-666 footprint (dimensions in mm)

0.50

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

0.99

0.30

0.62

2.60

Doc ID 5505 Rev 10 11/13

Ordering information BAT54

4 Ordering information

Table 12. 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

Common cathode

10 mg 3000 Tape and reel

BAT54AFILM D84

BAT54WFILM D73 SOT-323 Single 6 mg 3000 Tape and reel

BAT54SWFILM D78 SOT-323 Serial 6 mg 3000 Tape and reel

BAT54CWFILM D77

BAT54AWFILM D74

BAT54JFILM 86 SOD-323 5 mg 3000 Tape and reel

BAT54JFILM-H 86

BAT54KFILM 86 SOD-523 1.4 mg 3000 Tape and reel

BAT54-07P6FILM P4 SOT-666 Parallel 2.9 mg 3000 Tape and reel

BAT54-09P6FILM Q4 SOT-666 Opposite 2.9 mg 3000 Tape and reel

BAT54ZFILM D72 SOD-123 10 mg 3000 Tape and reel

5 Revision history

SOT-23

Common anode

SOT-323

Common cathode

SOT-323

Common anode

SOD-323

ECOPACK

halogen-free

10 mg 3000 Tape and reel

6 mg 3000 Tape and reel

5 mg 3000 Tape and reel

Table 13. Document revision history

Date Revision Changes

Jun-1999 8 Last update.

BAT54, A, C, S and BAT54J / W / AW / CW /SW datasheets merged.

24-Jul-2006 9

13-Oct-2009 10 Updated Table 8 quote “L1” from 0.10 to 0.05.

12/13 Doc ID 5505 Rev 10

ECOPACK statement added. SOD-123, SOD-523 and SOT-666 packages added.

BAT54

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Doc ID 5505 Rev 10 13/13

ST BAT54 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table 1. Device summary

1 Characteristics

Table 3. Thermal parameters

Table 4. Static electrical characteristics

Table 5. Dynamic characteristics

Figure 11. Relative variation of thermal impedance junction to ambient versus pulse duration

2 Ordering information scheme

Figure 12. Ordering information scheme

3 Package information

Table 6. SOD-123 dimensions

Figure 13. SOD-123 footprint (dimensions in mm)

Table 7. SOD-323 dimensions

Figure 14. SOD-323 footprint (dimensions in mm)

Table 8. SOD-523 dimensions

Figure 15. SOD-523 footprint (dimensions in mm)

Table 9. SOT-23 dimensions

Figure 16. SOT-23 footprint (dimensions in mm)

Table 10. SOT-323 dimensions

Figure 17. SOT-323 footprint (dimensions in mm)

Table 11. SOT-666 dimensions

Figure 18. SOT-666 footprint (dimensions in mm)

4 Ordering information

Table 12. Ordering information

5 Revision history

Table 13. Document revision history