Diodes BAT54WS User Manual

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Features

• Fast Switching

• Ultra-Small Surface Mount Package

• PN Junction Guard Ring for Transient and ESD Protection

• Lead, Halogen and Antimony Free, RoHS Compliant

• "Green" Device (Notes 3 and 5)

Maximum Ratings @T

Characteristic Symbol Value Unit

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage

RMS Reverse Voltage
Average Rectified Forward Current
Forward Continuous Current (Note 1)
Repetitive Peak Forward Current (Note 1)
Forward Surge Current (Note 1) @ t < 1.0s

.

= 25°C unless otherwise specified

A

BAT54WS

SURFACE MOUNT SCHOTTKY BARRIER DIODE

Mechanical Data

• Case: SOD-323

• Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

• Moisture Sensitivity: Level 1 per J-STD-020D

• Leads: Solderable per MIL-STD-202, Method 208

• Also Available in Lead Free Plating (Matte Tin Finish annealed

over Alloy 42 leadframe). Polarity: Cathode Band

• Marking Information: See Page 3

• Ordering Information: See Page 3

• Weight: 0.004 grams (approximate)

Top View

V

V

V

R(RMS)

I
I

RRM

RWM

VR

IO

IF

FRM
FSM

30 V

21 V
100 mA
200 mA
300 mA
600 mA

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range (Note 4)

Electrical Characteristics @T

Characteristic Symbol Min Typ Max Unit Test Condition

Reverse Breakdown Voltage (Note 2)

Forward Voltage

Reverse Leakage Current (Note 2)
Total Capacitance

Reverse Recovery Time

Notes: 1. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.

2. Short duration pulse test used to minimize self-heating effect.

3. No purposefully added lead. Halogen and Antimony Free.

4. > thermal runaway condition for a diode on its own heatsink.

d P
d T

5. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb

BAT54WS

Document number: DS30098 Rev. 11 - 2

tot

1
R

θJA

= 25°C unless otherwise specified

A

PD

R

JA

θ

TJ, T

STG

30

⎯ ⎯

V

VFM

(BR)R

IRM ⎯ ⎯

CT ⎯ ⎯

trr ⎯ ⎯

1 of 3

www.diodes.com

-65 to +150

⎯ ⎯

240
320
400
500

1000

2.0
10 pF

5.0 ns

Fire Retardants.

2O3

200 mW
625

°C/W

°C

V

IR = 100μA
IF = 0.1mA
IF = 1mA

mV

IF = 10mA
IF = 30mA
IF = 100mA

μA

VR = 25V
VR = 1.0V, f = 1.0MHz
IF = 10mA through IR = 10mA
to IR = 1.0mA, RL = 100Ω

© Diodes Incorporated

August 2008

N

T

N

TANEO

US FOR

R

CUR

R

N

T

C, TOT

CAPACITANC

F

P P

OWER

PATIO

N

BAT54WS

1

100

(A)
E

0.1

10

D
WA

A
S

F

I, I

0.0001

T = 125ºC

0.01

A

0.001

0

0.2

V , INSTANTANEOUS F O RWARD VOLTAGE (V)

F

T = 75ºC

A

T = 25ºC

A

T = 0ºC

A

T = -40ºC

A

0.6

Fig. 1 Typical Forward C haracter istics

12

0.8

f = 1.0MHz

1.00.4

1

0.1

0.01

0.001
5101520

0

V , INSTANTANEOUS REVERSE VOLTAGE (V)

R

Fig. 2 Typical Reverse Characteristics

1,000

V = 25V

R

25

30

10

)
E (p

8

6

AL

4

T

R

I , LEAKAGE CURRENT (µA)

100

10

1

2

0

0

10

5

V , DC REVERSE VOLTAGE (V)

R

15

20

Fig. 3 Total Capacitance vs. Reverse Voltage

25

30

0.1
0

50 100

T , JUNCTION TEMPERA TURE ( C)

J

Fig. 4 Typical Reverse Characteristics

150

°

200

(mW)

DISSI

100

D,

0

0255075100125

T , AMBIENT TEMPERATURE ( C)

A

Fig. 5 Power Derating Curve

150

°

BAT54WS

Document number: DS30098 Rev. 11 - 2

2 of 3

www.diodes.com

August 2008

© Diodes Incorporated