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QW-JA015
Small Signal Schottky Diodes
RoHS Device
BAT54xT-HF Series
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Halogen Free
Mechanical data
- Case: SOT-523, molded plastic.
- Terminals: Solderable per MIL-STD-202,
method 208.
Features
- Low forward voltage drop.
- Fast switching.
- PN junction guard ring for transient and ESD
protection.
- Ultra-small surface mount package.
Circuit Diagram
BAT54T-HF
1 2
3
Cathode
Anode
BAT54CT-HF
1 2
3
Cathode
Anode Anode
BAT54AT-HF
1 2
3
Anode
Cathode Cathode
BAT54ST-HF
1 2
3
Cathode/Anode
Anode
Cathode
Maximum Rating (at Ta=25°C unless otherwise noted)
Symbol
Value Unit
VRRM
V
30
IF mA
200
mA
mA
Pd
IFRM
600
300
°C/W
667
Thermal resistance junction to ambient air
Power dissipation (Note 1)
150
Parameter
Forward continuous current
Peak repetitive peak reverse voltage
Working peak reverse voltage
DC reverse voltage
VRWM
VR
RθJA
TSTG
Storage temperature range
°C
Junction temperature range
TJ
-55 to +150
Repetitive peak forward current
Forward surge current @ tp < 1s
IFSM
mW
°C
Notes: 1. Mounted on FR-4 board with recommended pad layout.
Dimensions in inches and (millimeter)
0.007(0.18)
0.003(0.08)
0.069(1.75)
0.057(1.45)
0.012(0.30)
0.004(0.10)
0.031(0.80)
0.024(0.60)
0.012(0.30)
0.006(0.15)
SOT-523
0.001(0.02)
0.067(1.70)
0.059(1.50)
0.033(0.85)
0.030(0.75)
0.043(1.10)
0.035(0.90)
1 2
3
0.016(0.40)
0.010(0.25)
0.016(0.40)
-55 to +125
Electrical Characteristics (at Ta=25°C unless otherwise noted)
Parameter
Symbol
Conditions
Max
Unit
Page 2
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Min
Small Signal Schottky Diodes
Rating and Characteristic Curves (BAT54xT-HF Series)
QW-JA015
Reverse current (Note 2)
VR = 25V
IR
μA
Capacitance between terminals
CT
pF
2
5
VR = 1V, f = 1MHz
Reverse recovery time
trr
ns
IF = IR = 10mA, Irr = 0.1 x IR, RL = 100Ω
10
Reverse breakdown voltage
IR = 100μA
V(BR)
30
V
Forward voltage (Note 1)
IF = 10mA
VF
0.40
V
IF = 0.1mA
IF = 1mA
IF = 100mA
IF = 30mA
0.32
1.00
0.50
0.24
Fig.3 - Capacitance vs Reverse Voltage
0 3020
0
15
Capacitance, Cj (pF)
Reverse Voltage, VR (V)
10
10
155 25
5
Fig.4 - Derating Curve (PD-TA)
0 125100
0
Power Dissipation, (mW)
Ambient temperature, TA (°C)
50
100
200
7525
250
50
150
TA=25°C
f=1MHz
Fig.2 - Typical Forward Characteristic
0 6005
0.01
10
200
10 3015 20
Reverse Voltage, VR (V)
300
0.1
1
Reverse Current, IR (µA)
Forward Current, IF (mA)
400200
Fig.1 - Typical Reverse Characteristic
Forward Voltage, VF (mV)
100
0.1
1
10
500
100
10025
TA=75°C
TA=25°C
TA=100°C
TA=125°C
500
TA=25°C
TA=100°C
TA=125°C
Notes: 1. Pulse test, tp ≤ 300µs.
2. Pulse test, tp ≤ 5ms.