LESHAN RADIO COMP ANY , LTD.
17A–1/2
TYPE Maximum
Peak Reverse
Voltage
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
Maximum
Reverse
Current @ PRV
@ TA=25ºC
Maximum
Forward
Voltage
@ TA=25ºC
Package
Dimensions
Maximum
Reverse
Recovery Time
Trr I F = 0.5A, I R = 1.0A, I RR = 0.25A
Trr Test Conditions: I F = 0.5A, I R = 1.0A, I RR = 0.25A
PRV
V PK
I O @ T L
A AV ºC
I FM (Surge)
A PK
I R
µAdc
I FM V FM
A PK V PK
Trr
ns
FR151 – FR157P
DO – 15
1.5A
1.5A FAST RECOVERY DIODES
FR151
FR152
FR153
FR154
FR155
FR155P
FR156
FR157
FR157P
50
100
200
400
600
600
800
1000
1000
1.5 60 1.575 5.0 1.3
150
150
150
150
250
150
500
500
250
.140(3.6) DIA
.104(2.6)
1.0(25.4)
MIN
.300(7.6)
.230(5.8)
.034(0.9) DIA
.028(0.7)
1.0(25.4)
MIN
DO – 15
LESHAN RADIO COMP ANY , LTD.
17A–2/2
FR151 – FR157P
1.5A
RATING & CHARACTERISTIC CURVES OF 1.5A FAST DIODES
FIG. 2 – TYPICAL FORWARD
CURRENT DERATING CURVE
AMBIENT TEMPER ATURE, (ºC)
+0.5A
0
-0.25A
-1.0A 1cm
Trr
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
(+)
PULSE
GENERATOR
(NOTE 2)
(-)
D.U.T.
OSCILLOSCOPE
(NOTE 1)
1Ω
NON.
INDUCTIVE
(+)
25Vdc
(APPROX)
(-)
50 Ω10 Ω
NONINDUCTIVE NONINDUCTIVE
FIG.1–TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
SET TIME
AVERAGE FORWARD CURRENT,(A)
BASE FOR 50/100ns/cm
INSTANTANEOUS FOWARD CURRENT (A)
INSTANTANEOUS FORWARD VOLTAGE, (%)
FIG. 3 – TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 5 – TYPICAL JUNCTION CAPACITANCE
FIG. 4 – MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
JUNCTION CAPACITANCE,(pF)
REVERSE VOLTAGE,(V)
PEAK FORWARD SURGE CURRENT,(A)
NUMBER OF CYCLES AT 60Hz
0 25 50 75 100 125 150 175
2.5
2.0
.1.5
1.0
.5
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
.4 .6 .8 1.0 1.2 1.4 1.6 1.8
20
10
3.0
1.0
0.3
0.1
.03
.01
TJ =25ºC
Pulse Width=300µs
1% Duty Cycle
8.3ms Single Half Sine-Wave
(JEDEC Method)
70
60
50
40
30
20
10
01 2 5 10 20 50 100
.1 .2 .4 1.0 2 4 10 20 40 100
200
100
60
40
20
10
6
4
2
1
TJ =25ºC
