Diodes B140WS User Manual

Features

• Low Forward Voltage Drop

• Guard Ring Construction for Transient Protection

• High Conductance

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

NEW PRODUCT

SOD323

Top View

B140WS

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER

Mechanical Data

• Case: SOD323

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

Flammability Rating Classification 94V-0

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

• Polarity: Cathode Band

• Terminals: Finish - Matte Tin Annealed Over Alloy 42 leadframe.

Solderable per MIL-STD-202, Method 208

• Weight: 0.004 grams (approximate)

Ordering Information (Note 4)

Part Number Case Packaging

B140WS-7 SOD323 3000/Tape & Reel

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.

4. For packaging details, go to our website at http://www.diodes.com.

Marking Information

B140WS

Document number: DS31543 Rev. 3 - 2

SF

www.diodes.com

SF = Product Type Marking Code

1 of 4

August 2012

© Diodes Incorporated

)

θ

(BR)

TANT

O

US R

R

C

URR

T

)

Maximum Ratings (@T

= +25°C, unless otherwise specified.)

A

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

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 5)
Typical Thermal Resistance Junction to Ambient (Note 5)

NEW PRODUCT

Operating and Storage Temperature Range

V

RRM

V

RWM

V

V

R(RMS

I

I

FSM

P

R

T

J, TSTG

B140WS

R

O

D
JA

40 V

28 V

1 A
3 A

235 mW
426

-40 to +125

°C/W

°C

Electrical Characteristics (@T

= +25°C, unless otherwise specified.)

A

Characteristic Symbol Min Typ Max Unit Test Condition

Reverse Breakdown Voltage (Note 6)
Forward Voltage
Reverse Current (Note 6)

Total Capacitance

Notes: 5. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com.

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

7. d P

/ d TJ < 1/R

TDT

θJA

V

R

V

⎯

F

I

⎯

R

C

T

40

⎯ ⎯

0.54 0.62 V

2.0 50

⎯
⎯

125

20

⎯

⎯

V

μA
pF

pF

IR = 1mA
IF = 1A

= 40V

V

R

V

= 0V, f = 1.0MHz

R

= 10V, f = 1.0MHz

V

R

10,000

(µA
EN

SE

EVE

ANE

R

I, INS

0.0001

1,000

100

T = 125°C

A

T = 75°C

A

10

1

T = 25°C

A

0.1

0.01

0.001

0102025

V , INSTANTANEOUS REVERSE VOLT AGE (V)

R

155.0 30

T = 5°CA-5

Figure 2 Typical Reverse C haracter istics

35 40

0.001

0.0001

0.00001

F

I , INSTANTANEOUS FORWARD CURRENT (A)

0.000001

1

T = 125C

°

A

0.1

T = 85C

°

A

0.01

T = 25C

A

T = -55C

°

A

°

0 100 200 300 400 500 600 700

V , INSTANTANEOUS FORWARD VOLTAGE (mV)

T

Figure 1 Typical Forward Characteristics

B140WS

Document number: DS31543 Rev. 3 - 2

2 of 4

www.diodes.com

August 2012

© Diodes Incorporated