Diodes BAT54WT User Manual

)

θ

(BR)

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Features

• Fast Switching

• Ultra-Small Surface Mount Package

• PN Junction Guard Ring for Transient and ESD Protection

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

• "Green" Device (Notes 4 and 5)

NEW PRODUCT

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

SURFACE MOUNT SCHOTTKY BARRIER DIODE

Mechanical Data

• Case: SOD-523

• Case Material: Molded Plastic, “Green” Molding Compound,

Note 5. UL Flammability Classification Rating 94V-0

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

• Leads: Matte Tin Finish annealed over Alloy 42 leadframe (Lead

Free Plating). Solderable per MIL-STD-202, Method 208

• Polarity: Cathode Band

• Marking Information: See Page 2

• Ordering Information: See Page 2

• 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

BAT54WT

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (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 Leakage Current (Note 2)
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.

BAT54WT

Document number: DS31396 Rev. 3 - 2

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

5. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants

A

PD

R

JA

TJ, T

STG

= 25°C unless otherwise specified

R

30

⎯ ⎯

⎯ ⎯

1 of 4

V

VFM

IRM ⎯ ⎯

trr

www.diodes.com

-65 to +150

⎯ ⎯

320
400

1000

2.0

5.0 ns

150 mW
667

V

IR = 100μA
IF = 1mA

mV

IF = 10mA
IF = 100mA

μA

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

°C/W

°C

© Diodes Incorporated

July 2009

TANT

O

US FORWARD C

U

R

R

T

P, P

OWER

PATIO

N

(A)
EN

ANE

0.1

0.01

0.001

1

100

10

1

0.1

0.01

BAT54WT

NEW PRODUCT

F

I, INS

0.0001
0

200

150

(mW)

100

DISSI

50

D

0

025

0.2

V , INSTANTANEOUS FORWARD VOLTAGE (V)

F

Fig. 1 Forward Characteristics

50

T , AMBIENT TEMPERATURE ( C)

A

Fig. 3 Power Derating Curve

0.6 0.8

75

100

°

1.00.4

125

R

I , INSTANTANEOUS REVERSE CURRENT (µA)

0.001
510

0

V , INSTANTANEOUS REVERSE VOLTAGE (V)

R

Fig. 2 Typical Reverse Characteristics

15 20

25

30

Ordering Information (Note 6)

Part Number Case Packaging

BAT54WT-7 (Note 7) SOD-523 3000/Tape & Reel

Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

7. Dispensed in every other cavity of the tape.

Marking Information

Cathode Band

BAT54WT

Document number: DS31396 Rev. 3 - 2

L9

www.diodes.com

Product Type Code Marking

2 of 4

July 2009

© Diodes Incorporated

Package Outline Dimensions

NEW PRODUCT

H

C

BAT54WT

L

A

B

M

K

SOD-523

Dim Min Max

A 0.25 0.35
B 0.70 0.90
C 1.50 1.70
H 1.10 1.30
K 0.55 0.65
L 0.10 0.30

M 0.10 0.12

All Dimensions in mm

Suggested Pad Layout

X

C

Y

G

Z

Dimensions Value (in mm)

Z 2.3

G 1.1

X 0.8
Y 0.6

C 1.7

BAT54WT

Document number: DS31396 Rev. 3 - 2

3 of 4

www.diodes.com

July 2009

© Diodes Incorporated

DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.

Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorize d application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or

NEW PRODUCT

indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings

noted herein may also be covered by one or more United States, international or foreign trademarks.

Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:

A. Life support devices or systems are devices or systems which:

1. are intended to implant into the body, or

labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the

failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and

acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.

Copyright © 2009, Diodes Incorporated

www.diodes.com

2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the

IMPORTANT NOTICE

LIFE SUPPORT

BAT54WT

BAT54WT

Document number: DS31396 Rev. 3 - 2

4 of 4

www.diodes.com

July 2009

© Diodes Incorporated