BAT54 / BAT54A / BAT54C / BAT54S
Surface Mount Schottky
Barrier Diode
Case: Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagrams Below
Weight: 0.008 grams (approx.)
Mounting Position: Any
Low Turn-on Voltage
Fast Switching
PN Junction Guard Ring for Transient and
ESD Protection
1
2
3
KJ
C
H
L
A
BS
GV
3
12
D
To p Vie w
Dim Min Max
A2.800 3.040
B1.200 1.4 00
C0.890 1.110
D0.370 0.5 00
G1.780 2.0 40
H0.013 0.1 00
J0.085 0.1 77
K0.450 0.6 00
L0.890 1.0 20
S2.100 2.5 00
V0.450 0.6 00
All Dimensionin mm
SOT-23
1
ANODE
3
CATHODE
ANODE
3
CATHODE
1
2
CATHODE
3
CATHODE
ANODE
1
2
ANODE
3
1
2
CATHODE
ANODE
ANODE
CATHODE
BAT54 Marking : LV3 BAT54A Marking : BG BAT54C Marking : KV3 BAT 54S Marking : LD3
M AXI MU M RATI NG S
(TJ = 125 unless otherwise noted)
Rating Symbol Value Unit
Reverse Voltage VR30 Volts
Forward Power Dissipation
@ TA = 25
Derate above 25
PF225
1.8
mW
o
mW/ C
Forward Current (DC) IF200 Max mA
Junction Temperature TJ125 Max
Storage Temperature Range Tstg -55 to +150
ELECTRICAL CHARACTERISTICS (TA = 25 unless otherwise noted) (EACH DIODE)
Characteristic Symbol Min Typ Max Unit
Reverse Breakdown Voltage (IR = 10 mA) V(BR)R 30 Volts
Total Capacitance (VR = 1.0 V, f = 1.0 MHz) CT7.6 10 pF
Reverse Leakage (VR = 25 V) IR0.5 2.0 mAdc
Forward Voltage (IF = 0.1 mAdc ) VF0.22 0.24 Vdc
Forward Voltage (IF = 30 mAdc) VF0.41 0.5 Vdc
Forward Voltage (IF = 100 mAdc) VF0.52 1.0 Vdc
Reverse Recovery Time
(IF = IR = 10 mAdc , IR(REC) = 1.0 mAdc) Figure 1
trr 5.0 ns
Forward Voltage (IF = 1.0 mAdc) VF0.29 0.32 Vdc
Forward Voltage (IF = 10 mAdc ) VF0.35 0.40 Vdc
Forward Current (DC) IF200 mAdc
Repetitive Peak Forward Current IFRM 300 mAdc
Non epetitive Peak Forward Current (t < 1.0 s) IFSM 600 mAdc
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Features
Mechanical Data
RATINGS AND CHARACTERISTIC CURVES BAT54 / BAT54A / BAT54C / BAT54S
No tes : 1. A 2.0 k var iab le res isto r adj ust ed for a Fo rwa rd Cu rren t (I F) of 10 mA .
No tes : 2. Inp ut pul se is adj ust ed so IR(p eak ) is equ al to 10 mA .
No tes : 3. tp trr
+ 10 V 2 k
820
0.1
m
F
D U T
VR
100 H
0.1 F
50 Outp ut
P ul se
Gener ator
50 I nput
S a m plin g
O s c i l l os c ope
trtpt
10%
90%
IF
IR
trr t
IR(R E C ) = 1 m A
Out put P ul s e
(I F = I
R = 10 m A; m easure d
at IR(R E C ) = 1 m A)
IF
I nput Si gna l
Figure 1. Recovery Time Equivalent Test Circuit
100
0.0 0.1
VF, Forward Voltage (V)
0.2 0.3 0.4 0.5
10
1.0
0.1
85
10
0
V , Reverse Voltage (V)
R
1.0
0.1
0.01
0.001
5 1 0 15 20 25
14
0
VR, Reverse Voltage (V)
12
4
2
0
CT, Tot a l Ca pa cit a nce (pF)
5 1 0 15 30
IF, For wa r d Cur r ent (m A)
Figure 2. Forward Voltage Figure 3. Leakage Current
Figure4.TotalCapacitance
25
TA = 150
TA = 125
TA = 85
TA = 25
IR, R ev er s e C ur re nt (
m
A)
0.6
1 5 0
1 2 5
100
1000
30
2520
6
8
10
-40 -55
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