BAT54WS
Document number: DS30098 Rev. 13 - 2
1 of 5
www.diodes.com
January 2018
© Diodes Incorporated
BAT54WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Product Summary (@ TA = +25°C )
VRRM (V)
IO (mA)
VF(MAX) (mV)
IR(MAX) A)
30
100
1000
2
Description and Applications
Reverse Polarity Protection
Ultra High-Speed Switching
Freewheeling
Features and Benefits
Fast Switching
Ultra-Small Surface Mount Package
PN Junction Guard Ring for Transient and ESD Protection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP Capable (Note 4)
Mechanical Data
Case: SOD323
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
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
Weight: 0.004 grams (Approximate)
Ordering Information (Note 5)
Part Number
Case
Packaging
BAT54WS-7-F
SOD323
3000/Tape & Reel
BAT54WSQ-7-F
SOD323
3000/Tape & Reel
BAT54WS-13-F
SOD323
10000/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/quality/lead_free.htmlfor 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. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified. For more information, please refer to https://www.diodes.com/quality/product-compliance-definitions/.
5. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
Top View
L9 = Product Type Marking Code
L9
e3
BAT54WS
Document number: DS30098 Rev. 13 - 2
2 of 5
www.diodes.com
January 2018
© Diodes Incorporated
BAT54WS
Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
30
V
RMS Reverse Voltage
VR(RMS)
21
V
Average Rectified Forward Current
IO
100
mA
Forward Continuous Current (Note 6)
IF
200
mA
Repetitive Peak Forward Current (Note 6)
IFRM
300
mA
Forward Surge Current (Note 6) @ t < 1.0s
IFSM
600
mA
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 6)
PD
200
mW
Thermal Resistance, Junction to Ambient Air (Note 6)
RJA
625
C/W
Operating and Storage Temperature Range (Note 8)
TJ, TSTG
-65 to +150
C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 7)
V(BR)R
30
V
IR = 100µA
Forward Voltage
VFM
240
320
400
500
1000
mV
IF = 0.1mA
IF = 1mA
IF = 10mA
IF = 30mA
IF = 100mA
Reverse Leakage Current (Note 7)
IRM
2.0
µA
VR = 25V
Total Capacitance
CT
10
pF
VR = 1.0V, f = 1.0MHz
Reverse Recovery Time
tRR
5.0
ns
IF = 10mA through IR = 10mA
to IR = 1.0mA, RL = 100
Notes: 6. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/package-outlines.html.
7. Short duration pulse test used to minimize self-heating effect.
8. thermal runaway condition for a diode on its own heatsink.
1
RθJA
BAT54WS
Document number: DS30098 Rev. 13 - 2
3 of 5
www.diodes.com
January 2018
© Diodes Incorporated
BAT54WS
0.001
0.01
0.1
10
1
100
0510 15 20 25 30
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
0
2
4
10
8
6
12
010 15
520 30
25
C , TOTAL CAPACITANCE (pF)
T
V , DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
R
f = 1.0MHz
0.1
1
1,000
100
10
050 100 150
T , JUNCTION TEMPERATURE ( C)
Fig. 4 Typical Reverse Characteristics
J°
V = 25V
R
I , LEAKAGE CURRENTA)
R
0
100
025 50 75 100 125
P POWER DISSIPATION (mW)
D,
T , AMBIENT TEMPERATURE ( C)
Fig. 5 Power Derating Curve
A°
200
150
0.1
0.01
1
0.001
0.0001
0
1.0
0.4
0.6
0.8
0.2
I
,
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(
A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
T = -40ºC
A
T = 125ºC
A
T = 75ºC
A
T = 25ºC
A
T = 0ºC
A
IF, INSTANTANEOUS FORWARD CURRENT (A)
BAT54WS
Document number: DS30098 Rev. 13 - 2
4 of 5
www.diodes.com
January 2018
© Diodes Incorporated
BAT54WS
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOD323
D
He
A2
E
L
c
A1
b
a
SOD323
Dim
Min
Max
Typ
A1
--
0.10
0.05
A2
1.00
1.10
1.05
b
0.25
0.35
0.30
c
0.10
0.15
0.11
D
1.20
1.40
1.30
E
1.60
1.80
1.70
He
2.30
2.70
2.50
L
0.20
0.40
0.30
a
--
All Dimensions in mm
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOD323
Y
X
X1
Dimensions
Value (in mm)
X
0.590
X1
2.700
Y
0.450
BAT54WS
Document number: DS30098 Rev. 13 - 2
5 of 5
www.diodes.com
January 2018
© Diodes Incorporated
BAT54WS
IMPORTANT NOTICE
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 unauthorized 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
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.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
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
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
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 © 2018, Diodes Incorporated
www.diodes.com