EIC SRA9, SRA8, SRA7 Datasheet
SRA7 - SRA9
SURFACE MOUNT
FAST RECOVERY RECTIFIER
Io : 1.0 Ampere
FEATURES :
MECHANICAL DATA :
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Notes :
2.1 ± 0.2
1.2 ± 0.2
5.0
±
0.15
4.5
±
0.15
PRV : 400 - 1000 Volts
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
* Case : SMA Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.067 gram
SMA (DO-214AC)
1.1 ± 0.3
0.2 ± 0.07
2.6 ± 0.15
2.0 ± 0.2
Dimensions in millimeter
RATING
Maximum Recurrent Peak Reverse Voltage V
Maximum RMS Voltage V
Maximum DC Blocking Voltage V
Maximum Average Forward Current Ta = 45 °C
Maximum Peak Forward Surge Current,
8.3ms Single half sine wave
Superimposed on rated load (JEDEC Method)
Maximum Peak Forward Voltage at IF = 1.0 A V
Maximum DC Reverse Current Ta = 25 °C
at Rated DC Blocking Voltage Ta = 100 °C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2) C
Junction Temperature Range T
Storage Temperature Range T
( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
Page 1 of 2 Rev. 01 : April 2, 2002
DC
SYMBOL SRA7 SRA8 SRA9 UNIT
RRM
RMS
DC
F(AV)
I
FSM
I
F
R
I
R(H)
I
Trr
J
J
STG
400 600 1000 V
280 420 700 V
400 600 1000 V
1.0 A
35 A
1.3 V
5.0
100
150 250 ns
20 pf
- 65 to + 150
- 65 to + 150
µA
µA
°C
°C
RATING AND CHARACTERISTIC CURVES ( SRA7 - SRA9 )
+
+ 0.5 0- 0.25
- 1.0 A
1
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 Ω 10 Ω
D.U.T.
50 Vdc
(approx)
1 Ω
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
OSCILLOSCOPE
( NOTE 1 )
PULSE
GENERATOR
( NOTE 2 )
Trr
SET TIME BASE FOR 50-100 ns/cm
FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
1.0
0.8
0.6
0.4
0.2
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
RESISTIVE OR INDUCTIVE LOAD
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C)
35
28
21
14
CURRENT, AMPERES
PEAK FORWARD SURGE
8.3 ms SINGLE HALF SINE WAVE
NUMBER OF CYCLES AT 60Hz
Ta = 50 °C
FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS
20
10
Pulse Width = 300 µs
2% Duty Cycle
TJ = 25 °C
1.0
0.1
10
TJ = 100 °C
1.0
0.1
TJ = 25 °C
FORWARD CURRENT, AMPERES
0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
0.01
REVERSE CURRENT, MICROAMPERES
40 60 120
20
80
100 1400
PERCENT OF RATED REVERSE VOLTAGE, (%)
Page 2 of 2 Rev. 01 : April 2, 2002
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