EIC FR255 Fast recovery Datasheet

FR251 - FR257-STR
FAST RECOVERY
RECTIFIER DIODES
PRV : 50 - 1000 Volts
Io : 2.5 Amperes
D2A
FEATURES :
*
*
*
*
*
*
1.00 (25.4)
MIN.
0.161 (4.1)
0.154 (3.9)
High current capability
High surge current capability
High reliability
Low reverse current
Low forward voltage drop
Fast switching for high efficiency
0.284 (7.2)
0.268 (6.8)
* Pb / RoHS Free
MECHANICAL DATA :
0.040 (1.02)
0.0385 (0.98)
* Case : D2A Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.645 gram
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
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
SYMBOL FR251 FR252 FR253 FR254 FR255 FR256 FR257
FR257
-STR
UNIT
Maximum Recurrent Peak Reverse Voltage
VRRM
50
100
200
400
600
800
1000
1000
V
Maximum RMS Voltage
VRMS
35
70
140
280
420
560
700
700
V
Maximum DC Blocking Voltage
VDC
50
100
200
400
600
800
1000
1000
V
Maximum Average Forward Current
0.375"(9.5mm) Lead Length
Ta = 55 °C
Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Peak Forward Voltage at IF = 2.5 A
IF(AV)
2.5
A
IFSM
100
A
VF
1.3
V
Maximum DC Reverse Current
Ta = 25 °C
IR
10
µA
at Rated DC Blocking Voltage
Ta = 100 °C
IR(H)
500
µA
Maximum Reverse Recovery Time ( Note 1 )
Trr
150
250
500
250
ns
Typical Junction Capacitance ( Note 2 )
CJ
28
pf
Junction Temperature Range
TJ
- 65 to + 150
°C
Storage Temperature Range
TSTG
- 65 to + 150
°C
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. 02 : March 24, 2005
RATING AND CHARACTERISTIC CURVES ( FR251 - FR257 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 Ω
Trr
10 Ω
+ 0.5 A
D.U.T.
+
0
PULSE
GENERATOR
( NOTE 2 )
50 Vdc
(approx)
1Ω
- 0.25 A
OSCILLOSCOPE
( NOTE 1 )
- 1.0 A
SET TIME BASE FOR 50/100 ns/cm
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
1 cm
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
100
2.5
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
2.0
1.5
1.0
0.5
8.3 m s S INGLE HALF SINE W A V E
Ta = 50 °C
80
60
40
20
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0
25
50
75
100
125
150
0
175
1
2
AMBIENT TEMPERATURE, ( ° C)
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
6
10
20
40
60
100
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
10
Pulse W idth = 300 µs
2% Duty Cycle
TJ = 100 °C
REVERSE CURRENT,
MICROAMPERES
FORWARD CURRENT, AMPERES
4
NUMBER OF CYCLES AT 60Hz
TJ = 25 °C
10
1.0
1.0
0.1
TJ = 25 °C
0.01
0.1
0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE VOLTAGE, (%)
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
Page 2 of 2
Rev. 02 : March 24, 2005
Similar pages