DS30259 Rev. 3 - 2 1 of 2 BAT54T /AT /CT /ST
BAT54T /AT /CT /ST
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
·Case: SOT-523, Molded Plastic
·Case material - UL Flammability Rating 94V-0
·Moisture sensitivity: Level 1 per J-STD-020A
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: See Diagrams Below
·Marking: See Diagrams Below & Page 2
·Weight: 0.002 grams (approx.)
·Ordering Information, see Page 2
Mechanical Data
Maximum Ratings @ TA = 25°C unless otherwise specified
·Ultra-Small Surface Mount Package
·Low Forward Voltage Drop
·Fast Switching
·PN Junction Guard Ring for Transient and
ESD Protection
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
30 V
Forward Continuous Current (Note 1) IFM 200 mA
Repetitive Peak Forward Current IFRM 300 mA
Forward Surge Current @ t < 1.0s IFSM 600 mA
Power Dissipation (Note 1) Pd150 mW
Thermal Resistance, Junction to Ambient (Note 1) RqJA 833 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +125 °C
Notes: 1. Device 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 test pulse used to minimize self-heating effect.
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 30 ¾ ¾ VIR = 100mA
Forward Voltage (Note 2) VF¾ ¾
240
320
400
500
1000
mV
IF = 0.1mA
IF = 1mA
IF = 10mA
IF = 30mA
IF = 100mA
Reverse Leakage Current (Note 2) IR¾ ¾ 2.0 mAVR = 25V
Total Capacitance CT¾ ¾ 10 pF VR = 1.0V, f = 1.0MHz
Reverse Recovery Time trr ¾¾5.0 ns IF = 10mA through IR = 10mA
to IR = 1.0mA, RL = 100W
Electrical Characteristics @ TA = 25°C unless otherwise specified
BAT54T Marking: L1 BAT54AT Marking: L2 BAT54CT Marking: L3 BAT54ST Marking: L4
TCUDORP WEN
SOT-523
Dim Min Max Typ
A0.15 0.30 0.22
B0.75 0.85 0.80
C1.45 1.75 1.60
D¾ ¾ 0.50
G0.90 1.10 1.00
H1.50 1.70 1.60
J0.00 0.10 0.05
K0.60 0.80 0.75
L0.10 0.30 0.22
M0.10 0.20 0.12
N0.45 0.65 0.50
a0°8° ¾
All Dimensions in mm