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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 ( trr < 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 tp < 1 s CONDITIONS Symbol V RRM VR I FSM I FRM IF Tj 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 oC 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 VF VF VF VF VF IR CD 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
1000 handbook, halfpage
(1) (2) (3)
FIG.2 - Leakage Current CHARACTERISTICS
1000
(1)
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 OC (2) TA = 85 OC
0.8
(3) TA = 25 OC
1.2
0.1
0
10
(1) TA = 125 OC (2) TA = 85 OC
20
(3) TA = 25 OC
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
IF
tr
tp 10%
t tr t
0.1 uF
50 OHM OUTPUT PULSE GENERATOR
DUT
50 OHM INPUT SAMPLING OSCILLOSCOPE
90% IR(REC)=1 mA VR
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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