WEJ ELECTRONIC CO.,LTD
Ultra fast recovery type
Features
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing Flame
Retardant Epoxy Molding Compound.
For surface mounted applications.
Exceeds environmental standards of MIL-S-19500 /
228
Low leakage current.
Mechanical data
Case : Molded plastic, JEDEC DO-214AB
Terminals : Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity : Indicated by c athode band
Mounting Position : Any
Weight : 0.00585 ounce, 0.195 gram
(V) (V) (V) (V) (nS)
(
o
C)
HFM301 H31 50 35 50
HFM302 H32 100 70 100
HFM303 H33 200 140 200
HFM304 H34 300 210 300
HFM305 H35 400 280 400
HFM306 H36 600 420 600
HFM307 H37 800 560 800
SYMBOLS
MARKING
CODE
-55 to +150
Operating
temperature
V
RRM
*1
V
RMS
*2
V
R
*3
V
F
*4
T
RR
*5
70
1.0
1.3
1.7
50
MAXIMUM RATINGS (AT T
A
=25
o
C unless otherwise noted)
PARAMETER CONDITIONS Symbol MIN. TYP. MAX. UNIT
Forward rectified current Ambient temperature = 55
o
C I
O
3.0 A
Forward surge current
8.3ms single half sine-wave superimposed on
rate load (JEDEC methode)
I
FSM
100 A
V
R
= V
RRM
T
A
= 25
o
C 10.0 uA
V
R
= V
RRM
T
A
= 100
o
C 300 uA
Thermal resistance Junction to ambient Rq
JA
15
o
C / w
Diode junction capacitance f=1MHz and applied 4vDC reverse voltage C
J
70 pF
Storage temperature T
STG
-55 +150
o
C
Reverse current I
R
*1 Repetitive peak reverse voltage
*2 RMS voltage
*3 Continuous reverse voltage
*4 Maximum forward voltage
*5 Reverse recovery time
0.276(7.0)
0.260(6.6)
0.012(0.3) Typ.
0.189(4.8)
0.173(4.4)
0.244(6.2)
0.228(5.8)
0.087(2.2)
0.071(1.8)
0.040 (1.0) Typ.0.040(1.0) Typ.
Dimensions in inches and (millimeters)
SMC
0.152(3.8)
0.144(3.6)
0.032(0.8) Typ.
H31-H37
Http:// www .wej.cn E-mail:wej@yongerjia.com
WEJ ELECTRONIC CO.
RoHS
WEJ ELECTRONIC CO.,LTD
RATING AND CHARACTERISTIC CURVES (HFM301 THRU HFM307)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
0.6
1.2
1.8
2.4
3.0
3.6
(+)
(+)
25Vdc
(approx.)
( )
( )
PULSE
GENERATOR
(NOTE 2)
OSCILLISCOPE
(NOTE 1)
1
NON-
INDUCTIVE
W
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
-1.0A
|
|
|
|
|
|
|
|
1cm
SET TIME BASE FOR
50 / 10ns / cm
trr
D.U.T.
AMBIENT TEMPERATURE ( C)
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
10
NONINDUCTIVE
50
NONINDUCTIVE
W
W
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
20
0
40
60
80
100
NUMBER OF CYCLES AT 60Hz
1 10 5
50
100
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0 20 40 60 80 100 120 140 160 180 200
0
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
175
150
125
100
75
50
25
0
.01 .05 .1 .5 1 5 10 50 100
.4 .6 .8 1.0 1.2 1.4
.001
.01
.1
1.0
10
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
Tj=25 C
1.6 1.8
HFM306~HFM307
HFM304~HFM305
HFM
301~HFM303
H31-H37
Http:// www .wej.cn E-mail:wej@yongerjia.com
WEJ ELECTRONIC CO.
RoHS