SF28 [SYNSEMI]
SUPER FAST RECTIFIER DIODES; 超快速整流二极管
| 型号： | SF28 |
| 厂家： | 
SYNSEMI, INC. |
| 描述： | SUPER FAST RECTIFIER DIODES |
| 文件： | 总2页 (文件大小：31K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SUPER FAST
RECTIFIER DIODES
SF21 - SF29
PRV : 50 - 1000 Volts
Io : 2.0 Amperes
D2
FEATURES :
1.00 (25.4)
* High current capability
* High surge current capability
* High reliability
0.161 (4.1)
MIN.
0.154 (3.9)
* Low reverse current
* Low forward voltage drop
* Super fast recovery time
* Pb / RoHS Free
0.284 (7.2)
0.268 (6.8)
1.00 (25.4)
0.034 (0.86)
0.028 (0.71)
MIN.
MECHANICAL DATA :
* Case : D2 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
Dimensions in inches and ( millimeters )
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.465 gram
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%.
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
SYMBOL SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 SF29 UNIT
VRRM
VRMS
VDC
50
35
50
100
70
150
105
150
200
140
200
300
210
300
400
280
400
600
420
600
800 1000
560 700
V
V
V
Maximum DC Blocking Voltage
100
800 1000
Maximum Average Forward Current
IF(AV)
2.0
A
0.375"(9.5mm) Lead Length
Ta = 55 °C
Maximum Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
IFSM
75
A
1.7
4.0
20
Maximum Peak Forward Voltage at IF = 2.0 A.
VF
IR
0.95
V
Maximum DC Reverse Current
at Rated DC Blocking Voltage
5.0
mA
Trr
CJ
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Junction Temperature Range
35
50
ns
pf
TJ
- 65 to + 150
- 65 to + 150
°C
°C
TSTG
Storage Temperature Range
Notes :
( 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 VDC
Page 1 of 2
Rev. 04 : March 25, 2005
RATING AND CHARACTERISTIC CURVES ( SF21 - SF29 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
Trr
50 W
10 W
+ 0.5 A
0
D.U.T.
PULSE
GENERATOR
( NOTE 2 )
+
- 0.25 A
50 Vdc
(approx)
OSCILLOSCOPE
( NOTE 1 )
1 W
- 1.0 A
SET TIME BASE FOR 15 ns/cm
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.
1 cm
FIG.2 - DERATING CURVE FOR OUTPUT
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
RECTIFIED CURRENT
75
2.5
2.0
1.5
1.0
8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C
60
45
30
15
0.5
0
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0
25
50
75
100
125
150
175
1
2
4
6
10
20
40
60 100
NUMBER OF CYCLES AT 60Hz
AMBIENT TEMPERATURE, ( °C)
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
10
100
SF25 - SF27
SF21 - SF24
TJ = 100 °C
10
1.0
SF28 - SF29
1
TJ = 25 °C
0.1
0.1
0
40
60
80
100
120
140
20
Pulse Width = 300 ms
2% Duty Cycle
PERCENT OF RATED REVERSE
VOLTAGE, (%)
TJ = 25 °C
0.01
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FORWARD VOLTAGE, VOLTS
Page 2 of 2
Rev. 04 : March 25, 2005
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