RECTIFIER SPECIALISTS. SQ1280 Datasheet

SQ1280 Datasheet PDF


Part Number

SQ1280

Description

RECTIFIER SPECIALISTS

Manufacture

Dc Components

Total Page 2 Pages
Datasheet
Download SQ1280 Datasheet



SQ1280
DC COMPONENTS CO., LTD.
R RECTIFIER SPECIALISTS
SQ1230
THRU
SQ12100
TECHNICAL SPECIFICATIONS OF SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE - 30 to 100 Volts
CURRENT - 12 Amperes
FEATURES
* Low power loss
* Low forward voltage
* High current capability
* High efficiency
* High surge capability
* Guard ring for transient protection
* For use in low voltage, high frequency inventers,
free wheeling, and polarity protection applications
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 1.18 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
DO-27
1.0 (25.4)
MIN.
.052 (1.3)
DIA.
.048 (1.2)
.375 (9.5)
.335 (8.5)
1.0 (25.4)
MIN.
.220 (5.6)
DIA.
.197 (5.0)
Dimensions in inches and (millimeters)
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375*(9.5mm) lead length
SYMBOL SQ1230 SQ1235 SQ1240 SQ1245 SQ1250 SQ1260 SQ1280 SQ12100
VRRM 30 35 40 45 50 60 80 100
VRMS
21 24.5 28 31.5 35 42
56 70
VDC 30 35 40 45 50 60 80 100
UNITS
Volts
Volts
Volts
IO 12 Amps
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 12A DC
Maximum DC Reverse Current
@T A = 25oC
at Rated DC Blocking Voltage
@T A = 100oC
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Storage and Operating Temperature Range
IFSM
VF
IR
RθJC
CJ
TJ, TSTG
275
.55 .70
0.5
50
3.0
450
-55 to +200
Amps
.80 Volts
mAmps
0C/ W
pF
0C
NOTES : 1. Thermal Resistance Junction to case.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.

SQ1280
RATING AND CHARACTERISTIC CURVES (SQ1230 THRU SQ12100)
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
12.0
10.0
8.0
6.0
4.0 Single
Half Wave 60Hz
Resistive or
2.0 Inductive Load
0.375” (9.5mm) Lead Length
0
0 25 50 75 100 125 150 175 200
LEAD TEMPERATURE, (oC)
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
SQ1230-1235
10
SQ1240-1245
1.0
SQ1250-1260
.1
.1
SQ1280-12100
TJ = 25OC
Pulse Width = 300 µS
1% Duty Cycle
.2 .3 .4 .5 .6 .7 .8 .9 1.0 1.2
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
TJ= 125oC
10
1.0
TJ= 75oC
0.1
.01
TJ= 25oC
0.01
10 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE
VOLTAGE, (%)
360
300
240
180
120
60
0
1
FIG. 4 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
8.3ms Single Half Sine-Wave
JEDEC Method
2 5 10 20
50 100
NUMBER OF CYCLES AT 60 Hz
1000
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
100
60
40
20
10
.1
TJ= 25oC
.4 1.0 4 10
REVERSE VOLTAGE, (V)
40
DC COMPONENTS CO., LTD.
R




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