R
K34L
LOW VF SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 45 Volts
Forward Current - 3.0Ampere
S E M I C O N D U C T O R
FEATURES
Plastic package has Underwriters Laboratory Flammability Classification 94V-0
Metal silicon junction ,majority carrier conduction
Guard ring for overvoltage protection
Low power loss ,high efficiency
JF
High current capability ,Low forward voltage drop
High surge capability
For use in low voltage ,high frequency inverters,
free wheeling ,and polarity protection applications
High temperature soldering guaranteed:250 C/10 seconds at terminals,
0.375"(9.5mm)lead length,5lbs.(2.3kg)tension
SOD-123FL
0.040(1.00 )
0.024(0.60)
0.114(2.90 )
0.098(2.50)
0.154(3.90)
0.138(3.50)
5
°
0.008(0.20)
MAX
0.053(1.20)
0.037(0.95)
0.043(1.10)
0.020(0.50)
0.077(1.95 )
0.061(1.55)
MECHANICAL DATA
Case: SOD-123FL molded plastic body
Lead Finish: 100% Matte Sn (Tin)
Polarity: color band denotes cathode end
Mounting Position: Any
Weight: 11.7 mg(approximately)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(Ratings at 25 C ambient temperature unless otherwise specified ,Single phase ,half wave ,resistive or inductive
load. For capacitive load,derate by 20%.)
Symbols
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified
current (See Fig. 1)
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load
(JEDEC method)
Operating junction temperature range
Storage temperature range
Typical thermal resistance
K34L
45
32
45
3
.
0
75
.
0
-65 to+125
-65 to+150
88.0
28.0
Test condition
IF
=
1A
TYP.
0
.
32
0
.
42
80
.
0
3
MAX.
0
.
37
0
.
45
400
10
Unit
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
T
J
T
STG
R
R
JA
JL
V
olts
V
olts
V
olts
A
mp
A
mps
C
C
C/W
Unit
Symbols
Forward voltage
V
F
IF
=
3A
VR
=
40V
,
TA
=
25
℃
V
olts
A
MA
Leakage current
I
R
VR
=
40V
,
TA
=100℃
JINAN JINGHENG ELECTRONICS CO., LTD.
2-1
HTTP
://
WWW.JINGHENGGROUP.COM
RATINGS AND CHARACTERISTIC CURVES K34L
FIG.1-FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
4.0
100
3.0
2.0
1.0
0
0
25
50
75
100
125
150
175
80
60
40
20
0
1
10
100
T
J
=T
J
MAX
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
LEAD TEMPERATURE ( C)
PEAK FORWARD SURGE
CURRENT(AMPERES)
FIG.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT( AMPERES)
50
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL REVERSE CHARACTERISTICS
20
10
T
J
=100
℃
10
INSTANTANEOUS REVERSE CURRENT (mA)
T
J
=125
℃
1
PULSE WIDTH=300 S
1% DUTY CYCLE
1
T
J
=75
℃
0.1
0.1
T
J
=25
℃
0.01
T
J
=25
℃
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.001
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
PERCENT OF RATED PEAK REVERSE VOLTAGE%
FIG.5-TYPICAL JUNCTION CAPACITANCE
1000
FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE
TRANSIENT THERMAL IMPEDANCE, C/ W
100
JUNCTION CAPACITANCE(pF)
T
J
=25
℃
f=1.0MH
Z
Vsig=50mVp-p
10
100
1
10
0.1
1
10
100
0.1
0.01
0.1
1
10
100
REVERSE VOLTAGE. VOLTS
T, PULSE DURATION ,sec.
JINAN JINGHENG ELECTRONICS CO., LTD.
2-2
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WWW.JINGHENGGROUP.COM
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