FAST RECOVERY RECTIFIER
VOLTAGE RANGE 1000 to 1800 Volts CURRENT 1.0 Ampere
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Fast switching
* Low leakage
* Low forward voltage drop
* High current capability
* High currenf surge
* High reliability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
FFM10W
THRU
FFM18W
SMX
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Reverse Recovery Test Conditions: I
F
= 0.5A, I
R
= -1.0A, I
RR
=- 0.25A
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts
Dimensions in inches and (millimeters)
2001-6
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 25
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
DC
I
O
I
FSM
C
J
T
J
, T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
0.5
25
15
-65 to + 150
Amps
pF
0
C
F F M 1 6 W
1600
1120
1600
FFM10W
1000
1000
700
F F M 1 8 W
1800
1800
1260
F F M 1 5 W
1500
1050
1500
F F M 1 2 W
1200
1200
840
F F M 1 4 W
1400
1400
980
at Rated DC Blocking Voltage T
A
= 25
o
C
CHARACTERISTICS
Maximum Full Load Reverse Current Full Cycle Average,
.375" (9.5mm) lead length at T
L
= 55
o
C
Maximum Reverse Recovery Time (Note 1)
V
F
SYMBOL
I
R
trr
F F M 1 0 W F F M 1 2 W F F M 1 4 W F F M 1 5 W F F M 1 6 W F F M 1 8 W U N I T S
1.8
5.0
100
300
uAmps
uAmps
nSec
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 0.5A DC
Volts
.209 (5.31)
.185 (4.70)
.091 (2.31)
.067 (1.70)
.110 (2.79)
.086 (2.18)
.011 (0.28)
.007 (0.18)
.180 (4.57)
.160 (4.06)
.059 (1.50)
.035 (0.89)
.010 (0.25)
.008 (0.20)
.067 (1.70)
.051 (1.30)
RECTRON
RATING AND CHARACTERISTIC CURVES ( FFM10W THRU FFM18W )
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
35
30
25
20
15
10
5
0
1
10
100
8.3ms Single Half Sine-Wave
(JEDEC Method)
SURGE CURRENT
Single Phase Half Wave
60Hz Inductive or
Resistive Load
FIG. 1 - TYPICAL FORWARD CURRENT
AVERAGE FORWARD CURRENT, (A)
AMBIENT TEMPERATURE, ( )
DERATING CURVE
0
50
100
150
175
500
400
300
200
100
0
1F10~1F18
trr
+0.5A
0
-0.25A
-1.0A
1cm
SET TIME BASE FOR
50/100 ns/cm
FIG. 3 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
NONINDUCTIVE
10
NONINDUCTIVE
D.U.T
25 Vdc
(approx)
( - )
( - )
( + )
( + )
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
NOTES:
1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22 pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
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