SM220B
THRU
SM260B
2.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 60 Volts
CURRENT
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Low forward voltage drop
.083(2.11)
.075(1.91)
2.0 Ampere
DO-214AA(SMB)
.155(3.94)
.130(3.30)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Metallurgically bonded construction
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.093 grams
.096(2.44)
.083(2.13)
.050(1.27)
.030(0.76)
.185(4.70)
.160(4.06)
.012(0.31)
.006(0.15)
.008
MAX.
(.203)
.220(5.59)
.200(5.08)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
See Fig. 1
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 2.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Typical Junction Capacitance (Note1)
Typical Thermal Resistance R
θ
JA (Note 2)
Operating Temperature Range T
J
Storage Temperature Range T
STG
NOTES:
SM220B
20
14
20
SM230B
30
21
30
SM240B
40
28
40
2.0
50
SM250B
50
35
50
SM260B UNITS
60
V
42
V
V
60
A
A
V
mA
mA
pF
C/W
C
C
0.55
1.0
20
170
75
-65
+125
-65
+150
-65
0.70
Ta=100 C
+150
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Ambient.
224
RATING AND CHARACTERISTIC CURVES (SM220B THRU SM260B)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
2.4
2.0
50
INSTANTANEOUS FORWARD CURRENT,(A)
0B
0B
22
1.6
25
SM
22
SM
0.8
0.4
0
20
40
60
80
100
120
140
160
180
200
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
AMBIENT TEMPERATURE ( C)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
50
0.1
40
.01
.1
.3
.5
.7
SM
3.0
25
0B
~S
SM
M
26
.9
0B
1.2
10
~S
M
24
0B
0B
M2
~S
40
B
M2
~S
60
B
1.1
1.3
1.5
30
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
FORWARD VOLTAGE,(V)
20
10
FIG.5 - TYPICAL REVERSE
0
1
5
10
50
100
CHARACTERISTICS
100
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL JUNCTION CAPACITANCE
350
300
250
200
150
100
50
0
JUNCTION CAPACITANCE,(pF)
REVERSE LEAKAGE CURRENT, (mA)
10
1.0
Tj=75 C
.1
Tj=25 C
.01
.05
.1
.5
1
5
10
50
100
.01
0
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
225
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