SQ1230 thru SQ12100
SCHOTTKY BARRIER RECTIFIERS
REVERSE VOLTAGE - 30 to 100Volts
FORWARD CURRENT - 12.0 Amperes
DO- 27
FEATURES
●Metal
of silicon rectifier , majority carrier conduction
●Guard
ring for transient protection
●Low
power loss,high efficiency
●High
current capability,low VF
●High
surge capacity
●For
use in low voltage,high frequency inverters,free
wheeling,and polarity protection applications
.375(9.5)
.335(8.5)
1.0(25.4)
MIN.
.052(1.3)
.048(1.2) DIA.
210
.220(5.6)
.197(5.0) DIA.
MECHANICAL DATA
●Case:
JEDEC DO-27 molded plastic
●Polarity:
Color band denotes cathode
●
Weight: 0.04ounces , 1.1grams
T
C
measurement point
1.0(25.4)
MIN.
●Mounting
position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
@Tc=95
℃
SYMBOL SQ1230 SQ1235 SQ1240 SQ1245 SQ1250 SQ1260 SQ1280 SQ12100 UNIT
V
RRM
V
RMS
V
DC
I
(AV)
30
21
30
35
24.5
35
40
28
40
45
31.5
45
12
50
35
50
60
42
60
80
56
80
100
70
100
V
V
V
A
Peak Forward Surge Current 8.3ms single half sine-
wave super imposed on rated load(JEDEC Method)
Peak Forward Voltage at 12A DC(Note1)
Maximum DC Reverse Current @Tj=25℃
at Rated DC Bolcking Voltage @Tj=100℃
Tyical Junction Capacitance (Note2)
Tyical Thermal Resistance (Note3)
Operating Temperature Range
Storage Temperature Range
NOTES:1.300us Pulse Width, 2%Duty Cycle.
I
FSM
V
F
I
R
C
J
R
θJC
T
J
T
STG
0.55
275
0.7
0.5
50
450
3.0
-55 to+200
-55 to+200
0.8
A
V
mA
pF
℃/w
℃
℃
2.Measured at 1.0 MHZ and applied reverse voltage of 4.0VDC.
3.Thermal Resistance Junction to case.
~ 214 ~
RATING AND CHARACTERTIC CURVES
SQ1230 thru SQ12100
FIG.1-FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT AMPERES
12.0
10.0
8.0
6.0
4.0
2.0
0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
PEAK FORWARD SURGE CURRENT AMPERES
FIG.2-MAXIMUM NON-REPETITVE SURGE
360
300
240
180
120
60
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL FORWARD CHARACTERISTICS
100
SQ1230 - SQ1235
8.3Single Half-Sine-Wave
(JEDEC METOD)
25
50
75
100
125
150
175
200
CASE TEMPERATURE
℃
FIG.3-TYPICAL REVER CHARACTERISTICS
1000
INSTANTANEOUS REVERSE CURRENT,(mA)
100
INSTANTANEOUS FORWARD CURRENT(A)
SQ1240 -
SQ1245
10
SQ1250 - SQ1260
10
T
J
=100
℃
1.0
T
J
=75
℃
1.0
T
J
=25
℃
SQ1280 - SQ12100
TJ=25℃
PULSE WIDTH 300US
2%DUTY CYCLE
0.1
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
INSTANTANEOUS FORWARD VOLTAGE
FIG.5-TYPICAL JUNCTION CAPACITANCE
1000
CAPACITANCE,(pF)
100
T
J
=25℃
，f=1MHZ
10
0.1
10
1
4
REVERSE VOLTAGE VOLTS
100
~ 215 ~
DSP 与 ARM 处理器
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