Diodes B0540WS User Manual

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Features

• Low Forward Voltage Drop

• Guard Ring Construction for Transient Protection

• High Conductance

• Lead Free By Design/RoHS Compliant (Note 3)

• "Green" Device (Note 4)

Maximum Ratings @T

Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.

Characteristic Symbol Value Unit

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage

RMS Reverse Voltage
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current

8.3ms single half sine-wave superimposed on rated load

= 25°C unless otherwise specified

A

B0540WS

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER

Mechanical Data

• Case: SOD-323

• Case Material: Molded Plastic, "Green" Molding Compound.

UL Flammability Rating Classification 94V-0

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

• Polarity: Cathode Band

• Terminals: Finish - Matte Tin Annealed Over Alloy 42

leadframe. Solderable per MIL-STD-202, Method 208

• Marking Information: See Page 2

• Ordering Information: See Page 2

• Weight: 0.004 grams (approximate)

Top View

V

V

V

R(RMS)

I

RRM

RWM

VR

IO

FSM

40 V

28 V

0.5 A
3 A

Thermal Characteristics

Characteristic Symbol Value Unit

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

Electrical Characteristics @T

Characteristic Symbol Min Typ Max Unit Test Condition

Reverse Breakdown Voltage (Note 2)
Forward Voltage

Reverse Current (Note 2)

Total Capacitance

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.

B0540WS

Document number: DS30524 Rev. 8 - 2

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

3. No purposefully added Lead.

4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

= 25°C unless otherwise specified

A

PD

R

JA

θ

T

J, TSTG

1 of 3

40

⎯
⎯

⎯
⎯

V

(BR)R

VF ⎯

IR

CT

www.diodes.com

⎯ ⎯

285
480

1.0

2.0

125

20

235 mW
426

-40 to +125

V

IR = 1mA

300
550

3
5

⎯

⎯

IF = 10mA

mV

IF = 500mA
VR = 10V

μA
μA

VR = 30V
VR = 0V, f = 1.0MHz

pF
pF

VR = 10V, f = 1.0MHz

°C/W

°C

May 2008

© Diodes Incorporated

N

TAN

TANEO

US FOR

R

CUR

REN

T

C, TOT

CAPACITANC

F

RAGE FORWARD CUR

RENT

B0540WS

1,000

10m

(mA)

100

D

10

1m

T = 125°C

A

WA

1

T = 75°C

A

.1

T = 25°C

.01

S

F

I, I

.001

0.10 0.20 0.30 0.40 0.50

00

V , INSTANTA NEOUS FORWARD VOLT AGE (V)

F

Fig. 1 Typical Forward Characteristics

.60

1,000

0102025

V , INSTANTANEOUS REVERSE VOLTAGE (V)

R

1.0

155.0 30

Fig. 2 Typical Reverse Characteristics

A

40

35

(A)

)
E (p

0.75

100

0.50

AL

T

10

0

510
V , DC REVERSE VOLTAGE (V)

R

15

20

Fig. 3 Total Capacitance vs. Reverse Voltage

25

0.25

F(AV)

I, AVE

0

25 75 125

050100

T , TERMINAL TEMPERATURE ( C)

T

°

Fig. 4 Forward Current Derating Curve

150

Ordering Information (Note 5)

Part Number Case Packaging

B0540WS-7 SOD-323 3000/Tape & Reel

Notes: 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

SF

B0540WS

Document number: DS30524 Rev. 8 - 2

www.diodes.com

SF = Product Type Marking Code

2 of 3

May 2008

© Diodes Incorporated