BAT54TQ/STQ
Document number: DS40845 Rev. 1 - 2
1 of 5
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March 2018
© Diodes Incorporated
BAT54TQ/STQ
NEW PROD U C T
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Product Summary
VRRM (V)
IF (mA)
VFmax (V)
30
200
1
Description
200mA surface mount Schottky Barrier Diode in SOT523 package,
offers low turn-on voltage and fast switching capability, designed with
PN Junction Guard Ring for Transient and ESD Protection, totally
lead-free finish and RoHS compliant, “Green” device.
Features
Ultra-Small Surface Mount Package
Low Forward Voltage Drop
Fast Switching
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: SOT523
Case Material: Molded Plastic, Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish - Matte Tin Annealed over Alloy 42 Leadframe.
Solderable per MIL-STD-202, Method 208
Lead-Free Plating
Polarity: See Diagrams Below
Weight: 0.002 grams (Approximate)
Top View
BAT54TQ
BAT54STQ
Ordering Information (Note 5)
Part Number
Compliance
Case
Packaging
BAT54TQ-7-F
Automotive
SOT523
3,000/Tape & Reel
BAT54STQ-7-F
Automotive
SOT523
3,000/Tape & Reel
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ 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. Automotive products are AEC-Q101 qualified and are PPAP capable. Refer to https://www.diodes.com/quality/.
5. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
Date Code Key
Year
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
Code
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
xx = Product Type Marking Code
L1 = BAT54TQ
L4 = BAT54STQ
YM = Date Code Marking
Y = Year (ex: F = 2018)
M = Month (ex: 9 = September)
xx YM
BAT54TQ/STQ
Document number: DS40845 Rev. 1 - 2
2 of 5
www.diodes.com
March 2018
© Diodes Incorporated
BAT54TQ/STQ
NEW PROD U C T
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
Forward Continuous Current (Note 6)
IFM
200
mA
Repetitive Peak Forward Current
IFRM
300
mA
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave Superimposed on Rated Load
IFSM
600
mA
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 6)
PD
150
mW
Typical Thermal Resistance, Junction to Ambient (Note 6)
RJA
490
°C/W
Operating and Storage Temperature Range
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
VF
240
320
400
500
1,000
mV
IF = 0.1mA
IF = 1mA
IF = 10mA
IF = 30mA
IF = 100mA
Reverse Leakage Current (Note 7)
IR
2.0
µA
VR = 25V
Total Capacitance
CT
10
pF
VR = 10V, f = 1.0MHz
Notes: 6. Device mounted on FR-4 substrate 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.
0.1
0.01
1
0.001
0.0001 01.00.4 0.6 0.8
0.2
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
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
BAT54TQ/STQ
Document number: DS40845 Rev. 1 - 2
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March 2018
© Diodes Incorporated
BAT54TQ/STQ
NEW PROD U C T
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
0
100
025 50 75 100 125
P , POWER DISSIPATION (mW)
D
T , AMBIENT TEMPERATURE ( C)
Fig. 4 Power Derating Curve
A°
200
Note 6
BAT54TQ/STQ
Document number: DS40845 Rev. 1 - 2
4 of 5
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March 2018
© Diodes Incorporated
BAT54TQ/STQ
NEW PROD U C T
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT523
E1
E
b
e1
D
A3
e
A2
A1 L
ca
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT523
Y1
X
Y
X1
C
Note: The suggested land pattern dimensions have been provided for reference only, as actual pad layouts may vary depending on application. These dimensions
may be modified based on user equipment capability or fabrication criteria. A more robust pattern may be desired for wave soldering and is calculated by
adding 0.2 mm to the ‘Z’ dimension. For further information, please reference document IPC-7351A, Naming Convention for Standard SMT Land Patterns,
and for International grid details, please see document IEC, Publication 97.
Note: For high voltage applications, the appropriate industry sector guidelines should be considered with regards to creepage and clearance distances between
device Terminals and PCB tracking.
SOT523
Dim
Min
Max
Typ
A1
0.00
0.10
0.05
A2
0.60
0.80
0.75
A3
0.45
0.65
0.50
b
0.15
0.30
0.22
c
0.10
0.20
0.12
D
1.50
1.70
1.60
E
1.45
1.75
1.60
E1
0.75
0.85
0.80
e
0.50 BSC
e1
0.90
1.10
1.00
L
0.20
0.40
0.33
a
0°
--
8°
All Dimensions in mm
Dimensions
Value
C
1.29
X
0.40
X1
0.70
Y
0.51
Y1
1.80
BAT54TQ/STQ
Document number: DS40845 Rev. 1 - 2
5 of 5
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March 2018
© Diodes Incorporated
BAT54TQ/STQ
NEW PROD U C T
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