BAT54WT
Document number: DS31396 Rev. 3 - 2
1 of 4
www.diodes.com
July 2009
© Diodes Incorporated
BAT54WT
NEW PRODUCT
SURFACE MOUNT SCHOTTKY BARRIER DIODE
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)
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)
Maximum Ratings @T
A
= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30 V
RMS Reverse Voltage
V
R
RMS
21 V
Average Rectified Forward Current
I
O
100 mA
Forward Continuous Current (Note 1)
I
F
200 mA
Repetitive Peak Forward Current (Note 1)
I
FRM
300 mA
Forward Surge Current (Note 1) @ t < 1.0s
I
FSM
600 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1)
P
D
150 mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
JA
667
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +150
°C
Electrical Characteristics @T
A
= 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2)
V
BR
R
30
⎯ ⎯
V
I
R
= 100μA
Forward Voltage
V
FM
⎯ ⎯
320
400
1000
mV
I
F
= 1mA
I
F
= 10mA
I
F
= 100mA
Reverse Leakage Current (Note 2)
I
RM
⎯ ⎯
2.0
μA
V
R
= 25V
Reverse Recovery Time
t
rr
⎯ ⎯
5.0 ns
I
F
= 10mA through I
R
= 10mA
to I
R
= 1.0mA, R
L
= 100Ω
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.
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
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