Surface Mount Schottky Diode
BAT54 / A / C / S
Silicon epitaxial planar type
Formosa MS
SOT-23
0.040 (1.02)
0.035 (0.88)
Features
Small surface mounting type
High reliability
0.118 (3.00)
0.110 (2.80)
.079(2.00)
0.017 (0.42)
(C)
R 0.05
(0.002)
.071(1.80)
High speed ( t
rr
< 5 ns )
(B)
(A)
Mechanical data
Case : SOT-23
Terminals : Solder plated, solderable per MIL-STD-750,
Method 2026
Mounting P
osition : Any
0.055 (1.40)
0.047 (1.20)
0.102 (2.60)
0.094 (2.40)
0.028 (0.70)
0.020 (0.50)
0.045 (1.15)
0.033 (0.85)
Dimensions in inches and (millimeters)
Marking Code
BAT54
KL1
A
B
BAT54A
KL2
A
B
BAT54C
KL3
A
B
BAT54S
KL4
A
B
C
C
C
C
MAXIMUM RATINGS
(AT T
A
=25
o
C unless otherwise noted)
PARAMETER
Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current
Repetitive peak forward current
Forward current
Junction temperature
Storage temperature
t
p
< 10 ms
t
p
< 1 s
CONDITIONS
Symbol
V
RRM
V
R
I
FSM
I
FRM
I
F
T
j
T
STG
-55
MIN.
TYP.
MAX.
30
30
600
300
200
125
+150
UNIT
V
V
mA
mA
mA
o
o
0.015 (0.38)
C
C
ELECTRICAL CHARACTERISTICS
(AT T
A
=25
o
C unless otherwise noted)
PARAMETER
I
F
= 0.1mA
I
F
= 1mA
Forward voltage
I
F
= 10mA
I
F
= 30mA
I
F
= 100mA
Reverse current
Diode capacitance
Reverse recovery time
V
R
= 25V
V
R
= 1V , f = 1MHz
I
F
=10mA, V
R
= 10mA, I
RR
= 0.1 X I
R
, R
L
=100
OHM
CONDITIONS
Symbol
V
F
V
F
V
F
V
F
V
F
I
R
C
D
t
rr
MIN.
TYP.
MAX.
0.240
0.320
0.400
0.500
0.800
2.0
10.0
5
UNIT
V
V
V
V
V
uA
pF
ns
RATING AND CHARACTERISTIC CURVES for each diode (BAT54 / A / C / S)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
handbook, halfpage
(1) (2) (3)
FIG.2 - Leakage Current
CHARACTERISTICS
1000
(1)
1000
100
REVERSE LEAKAGE CURRENT, (uA)
FORWARD CURRENT,(mA)
100
(2)
10
10
(1)
(2)
(3)
1
1
(3)
0.1
0
0.4
(1) TA = 125
O
C
(2) TA = 85
O
C
0.8
(3) TA = 25
O
C
1.2
0.1
0
10
(1) TA = 125
O
C
(2) TA = 85
O
C
20
(3) TA = 25
O
C
30
FORWARD VOLTAGE,(V)
REVERSE VOLTAGE, (V)
FIG.3-TYPICAL JUNCTION CAPACITANCE
h
15
JUNCTION CAPACITANCE,(pF)
10
5
0
0
10
20
30
REVERSE VOLTAGE,(V)
820 OHM
+10V
2K
100uH
0.1 uF
I
F
t
r
t
p
10%
t
t
r
t
0.1 uF
50 OHM OUTPUT
PULSE
GENERATOR
DUT
50 OHM INPUT
SAMPLING
OSCILLOSCOPE
90%
IR(REC)=1 mA
V
R
OUTPUT PULSE
(IF=IR=10mA;measured
at iR(REC)=1mA)
Notes :
1. A2.0 Kohm variable resistor adjusted for a forward Current (IF) of 10mA.
Notes:
Notes:
2. Input pulse is adjusted so IR(peak) is equal to 10 mA.
3. tp >> trr.
» t
Recovery Time Equivalent Test Circuit
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