DIOTECH SK33B

SK32B THRU SK310B
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts
Forward Current - 3.0 Ampere
FEATURES
SMB ( DO-214AA )
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
● For surface mounted applications
● Metal silicon junction,majority carrier conduction
● Low reverse leakage
● Built-in strain relief,ideal for automated placement
● High forward surge current capability
● High temperature soldering guaranteed:
250 C/10 seconds at terminals
●
.083(2.11)
.075(1.91)
.155(3.94)
.130(3.30)
.185(4.70)
.160(4.06)
.012(.305)
.006(.152)
MECHANICAL DATA
.096(2.44)
.084(2.13)
Case: JEDEC SMB(DO-214AA) molded plastic body
Terminals: Solder plated , solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.005 ounce, 0.138 grams
.060(1.52)
.030(0.76)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Characteristic
Symbol
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current @TL = 75°C
.008(.203)
.002(.051)
.220(5.59)
.200(5.08)
@TA=25°C unless otherwise specified
SK32B SK33B SK34B SK35B SK36B SK38B SK39B SK310B Unit
VRRM
VRWM
VR
20
30
40
50
60
80
90
100
V
VR(RMS)
14
21
28
35
42
56
64
71
V
IO
3.0
A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
IFSM
70
A
Forward Voltage
@IF = 3.0A
VFM
@TA = 25°C
@TA = 100°C
IRM
Peak Reverse Current
At Rated DC Blocking Voltage
Typical Thermal Resistance (Note 1)
Operating Temperature Range
Storage Temperature Range
0.50
0.70
0.85
V
0.5
10
mA
17
75
°C/W
Tj
-65 to +125
°C
TSTG
-65 to +150
°C
R
R
JL
JA
Note: 1. Mounted on P.C. Board with 5.0mm2 copper pad area.
SK32B THRU SK310B
RATINGS AND CHARACTERISTIC CURVES
FIG. 1- MAXIMUM FORWARD CURRENT DERATING
CURVE
PEAK FORWARD SURGE CURRENT.(A)
150
RESISTIVE OR
INDUCTIVELOAD
SK
2.0
B
34
B
10
K3
K
B-S
B-S
35
32
SK
AVERAGE FORWARD CURRENT.(A)
3.0
FIG. 2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
1.0
0
PCB MOUNTED ON 0.4X0.4"
(10X10mm)COPPER PAD AREAS
50
60
70
80
90
100 110 120
O
LEAD TEMP ERATURE.( C)
130
140
150
120
90
60
0
160
Tj=125OC
PULSE WIDTH=300 S
1% DUTY CYCLE
1
Tj=25 C
O
100
SK39B-SK310B
SK32B-SK34B
SK35B-SK36B
1.2
0.4
0.6
0.8 1.0
FORWARD VOLTAGE.(V)
1.4
TJ=125OC
1
TJ=75 C
O
0.1
0.01
TJ=25 C
O
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
TRANSCIENT THERMAL IMPEDANCE, OC/W
1000
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
O
SK
32
SK
B-S
35
100
SK
39
K3
B-S
B-S
1
REVERSE VOLTAGE.(V)
4B
K3
K3
6B
10
10
SK39B-SK310B
SK32B-SK34B
SK35B-SK36B
0.001
1.5
FIG. 5- TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE.(pF)
10
10
INSTANTANEOUS REVERSE CURRENT.(mA)
INSTANTANEOUS FORWARD CURRENT.(A)
1
B
SK3
6B
20
10
10
0.1
310
2B-
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
Tj=125OC
0.2
SK3
NUMBER OF CYCLES AT 60Hz
FIG. 3- TYPICAL FORWARD CHARACTERISTICS
0.01
0
SK
39B
-SK
30
40
0.1
AT RATED TL
8.3ms Single Half Sine Wave
JEDEC Method
B
100
100
FIG.6- TYPICAL TRANSIENT THERMAL
CHARACTERISTICS
10
1
0.1
0.01
0.1
1
t, PULSE DURATION, (sec)
10
100