MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
MECHANICAL DATA
FEATURES
Data Sheet No. SBDA-302-1B
MECHANICAL SPECIFICATION
Ratings at 25 °C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive loads, derate current by 20%.
Average Forward Rectified Current @ T = 90 C (T measured on
cathode lead, 1/32 in. from case))
LL
o
PARAMETER (TEST CONDITIONS)
Maximum DC Blocking Voltage
Peak Forward Surge Current ( 8.3mS single half sine wave
superimposed on rated load)
Maximum Forward Voltage at 3 Amps DC
Maximum Peak Recurrent Reverse Voltage
Maximum RMS Voltage
Series Number
IO
VRMS
VRRM
VRM
SYMBOL
SK304
SK302
RATINGS
VOLTS
AMPS
UNITS
VOLTS
VFM
IFSM
SK306 SK307 SK310
20 40 60 70 100
20 40 60 70 100
14 28 42 49 70
3
120
0.5
100
0.7 0.8
Typical Thermal Resistance, Junction to Ambient
Junction Operating Temperature Range
Maximum Average DC Reverse Current
At Rated DC Blocking Voltage (Note 1) IRM
RqJA
TJ
TSTG
°C/W
°C
mA
Typical Junction Capacitance (Note 2) CJ
Storage Temperature Range
pF
@T = 25 C
L
o
@ T = 100 CL
o
0.5
20
20
250
-65 to +125
-65 to +150
4.97fsbda302
-65 +150to
3 AMP SCHOTTKY BARRIER RECTIFIERS
Metal semiconductor junction with guard ring
Epitaxial Construction
Low forward voltage drop
High current capacity
For use in low voltage, high frequency inverters, free wheeling,
and polarity protection applications
Case: JEDEC DO-27 molded epoxy (U/L Flammability Rating 94V-0)
Terminals: Plated axial leads
Solderability: Per MIL-STD 202 Method 208 guaranteed
Polarity: Color band denotes cathode
Mounting Position: Any
Weight: 0.04 Ounces (1.12 Grams)
A7
(1) Lead temperature reference is cathode lead 1/32 in from case.
(2) Measured at 1MHz & applied reverse voltage of 4 volts
NOTES:
Color Band
Denotes
Cathode
LD (Dia)
BD (Dia)
LL
BL
LL
ACTUAL SIZE OF
DO-27 PACKAGE
Sym In mm
Minimum Maximum
BL
BD
LL
LD
1.00
0.048
In mm
0.365
0.205
0.052
9.28
5.2
1.3
25.4
1.2
SERIES SK302 - SK310
DO-27
Tel.: (310) 767-1052 Fax: (310) 767-7958
DIOTEC ELECTRONICS CORP.
Gardena, CA 90248 U.S.A
18020 Hobart Blvd., Unit B
RATING & CHARACTERISTIC CURVES FOR SERIES SK302 - SK310
Data Sheet No. SBDA-302-2B
Tel.: (310) 767-1052 Fax: (310) 767-7958
DIOTEC ELECTRONICS CORP.
Gardena, CA 90248 U.S.A
18020 Hobart Blvd., Unit B
FIGURE 4. TYPICAL REVERSE CHARACTERISTICS
FIGURE 3. TYPICAL FORWARD CHARACTERISTICS
Instantaneous Forward Voltage (Volts)
Instantaneous Forward Current
Amperes
0.15 0.25 0.35 0.45 0.55 0.65 0.75
0.1
1.0
10
2.25
0.75
1.50
3.00
3.75
0
050 100 150
FIGURE 1. FORWARD CURRENT DERATING CURVE
Case Temperature, C
o
Average Forward Current, Io
(Amperes)
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
Number of Cycles at 60 Hz
Peak Forward Surge Current
(Amperes)
110 100
180
150
120
90
60
3 AMP SCHOTTKY BARRIER RECTIFIERS
4.97bsbda302
NOTE 1
NOTE 2
NOTE 3
A8
0.85
(2)
(2)
(1)
(1)
(1) SK302-304
(2) SK306-310
(1) SK302-304
(2) SK306-310
(1) SK302-304
(2) SK306
(3) SK307-310
(2)
(3)
(1)
Instantaneous Reverse Current, I
R
(Milliamperes)
Percent of Rated Peak Reverse Voltage
0 60 80 100 120
0.001
0.01
0.1
1.0
10.0
40 14020
NOTES
(1) Single Phase, Half Wave, 60 Hz, Resistive or Inductive
Load, 0.375" (9mm) Lead Length
(2) JEDEC Method, 8.3 mSec. Single Half Sine Wave, Tc = 95 C
(3) T = 25 C, Pulse Width = 300 Sec, 2.0% Duty Cycle
(4) Legend for Figure 4, Typical Reverse Characteristics:
o
o
Jm
SK302-306
SK307-310
30
.1
50
T = 125 C
Jo
T = 75 C
Jo
T = 25 C
Jo
NOTE 4
