KEC SMAB34A

SEMICONDUCTOR
SMAB34A
TECHNICAL DATA
SCHOTTKY BARRIER TYPE DIODE
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
FEATURES
B
Low Profile Surface Mount Package.
E
2
Low Power Loss, High Efficiency.
A
D
For Use in Low Voltage, High Frequency inverters, Free
E
Wheeling, and Polarity Protection Applications.
APPLICATION
1
C
Switching Power Supply.
DC/DC Converter.
DIM
A
B
C
D
E
F
G
F
Home Appliances, Office Equipment.
Telecommunication.
G
1. ANODE
2. CATHODE
MAXIMUM RATING (Ta=25 )
CHARACTERISTIC
SYMBOL
RATING
UNIT
Maximum Repetitive Peak Reverse Voltage
VRRM
40
V
IO
3
A
IFSM
70
A
Tj
-40 150
Tstg
-40 150
Average Output Rectitifed Current
Peak One Cycle Surge Forward Current
(Non-Repetitive 60Hz)
Junction Temperature
Storage Temperature Range
Unit : mm
MILLIMETERS
_ 0.3
4.3 +
_ 0.12
2.525 +
_ 0.18
1.45 +
_ 0.2
5.0 +
_ 0.35
1.15 +
_ 0.175
2.075 +
_ 0.08
0.23 +
SMA(1)
Marking
Cathode Mark
Type Name
B34A
Lot No.
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Peak Forward Voltage
VFM
IFM=3.0A
-
-
0.52
V
Repetitive Peak Reverse Current
IRRM
VRRM=Rated
-
-
0.2
mA
Rth(j-l)
Junction to lead
-
-
23
-
-
108
Thermal Resistance
2007. 3. 20
Rth(j-a)
Revision No : 2
Junction to ambient
(on FR-4 PCB)
/W
1/2
SMAB34A
PF - IF
IF - VF
2.5
Tl=150 C
1
Tl=100 C
0.1
Tl=25 C
200
400
600
D=tp/T
T
D=0.8
Tj=125 C
1.5
0.5
0.2
1.0
0.1
0.5
800
0
1
2
3
4
5
FORWARD VOLTAGE VF (mV)
FORWARD CURRENT IF (A)
SURGE FORWARD CURRENT
(NON - REPETITIVE)
Tl - IF
80
6
MAXIMUM ALLOWABLE
TEMPERATURE Tl MAX ( C)
160
Ta=25 C
f=60Hz
60
I FSM (A)
DC
tp
2.0
0.0
0.01
0
PEAK SURGE FORWARD CURRENT
FORWARD POWER PF (W)
FORWARD CURRENT IF (A)
10
40
20
0
140
120
100
80
60
40
20
0
1
10
100
0
1
2
3
FORWARD CURRENT (A)
NUMBER OF CYCLES AT 60Hz
IR - VR
REVERSE CURRENT IR (A)
100
Tl=150 C
10
Tl=125 C
Tl=100 C
1
Tl=75 C
0.1
Tl=50 C
0.01
Tl=25 C
0.001
0
5
10
15
20
25
30
35
40
45
REVERSE VOLTAGE VR (V)
2007. 3. 20
Revision No : 2
2/2