FEATURES
Low cost
Diffus ed junction
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with Alcohol,Isopropanol
and similar solvents
MECHANICAL DATA
Case:JEDEC DO--27,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.041 ounces,1.15 grams
Mounting pos ition: Any
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
RU4Z RU4 RU4A RU4B RU4C RU4YX UNITS
Maximum recurrent peak reverse voltage VRRM 200 400 600 800 1000 100 V
Max imum RMS v o lt ag e VRMS 140 280 420 560 700 70 V
Maximum DC blocking voltage VDC 200 400 600 800 1000 100 V
Maximum average forw ard rectified current
9.5mm lead length, @TA=75
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@ IF=IF
(
AV
)
VF
0.85
V
Maximum reverse current @TA=25 50.0 10.0
at rated DC blocking voltage @TA=100 300.0
Max imum r ev er s e r ec ov er y time ( Not e 1 ) trr 50 ns
Typical junction capacitance (Note2) CJpF
Typical thermal resistance (Note3) RθJL ／Ｗ
Operating junction temperature range TJ
Storage temperature range TSTG
2. Measured at 1.0MHZ and applied rev erse v oltage of 4.0V DC.
GALAXY ELECTRICAL
8
RU4Y(Z) -- - RU4YX(Z)
A
The plastic material carries U/L recognition 94V-0
IF(AV)
HIG H EFFICI ENCY ECTIFI ERS VOLTAGE RANGE: 100 --- 1000 V
CURRE NT: 2 . 5 -- 4. 0 A
DO - 27
MAXIMU M RATIN GS A ND ELECTR ICAL CHARACTERISTICS
2.5 4.0
A
IR
IFSM
NOTE: 1. Measured with IF=0.5A, IR=1A, Irr=0.25A.
3. Thermal resistance f rom junction to ambient.
A
- 55 ----- + 150
- 55 ----- + 150
10.0
100
100
RU4Y
70
100
3.5 3.0
70 50
70.0 50.0 100.0
1.3 1.5 1.6
500.0300.0
www.galaxycn.com
BLGALAXY ELECTRICAL
BL
Document Number 0262048 1.
4)
4.IF(AV)=2.0A
www.galaxycn.com
Document Number 0262048
2.
BLGALAXY ELECTRICAL
AMPERES
AMPERES
AMBIEN T TEM PERATU RE,
AVERAGE FORWARD RECTIFIED CURRENT
INSTANTANEOUS FORWARD CURRENT
INSTANTANEOUS F ORWARD VOLTAGE, VOLTS
PEAK FORWARD SURGE CURRENT
AMPERES
NUMBER OF CYCLES AT 60Hz
JUNCTION CAPACITANCE,pF
REVER SE VOL TAGE,VOLTS
RATINGS AND CHARACTERISTIC CURVES RU4 Y(Z )---RU4 YX (Z )
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
S ET TIME B ASE FOR 10 /2 0 n s/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC FIG.3 -- FORWARD DERATING CURVE
NO TE S:1.RISE T IME = 7ns MA X.INPUT IMPEDANCE = 1M . 22pF. JJJJ
2.RISE T IME =10ns MA X.SO URCE IMPEDANCE= 50 .
FIG.4 -- PEAK FORWARD SURGE CURRENT FIG.5--TYPICAL JUNCTION CAPACITANCE
PULSE
GENERATOR
(NOTE2)
D.U.T.
1
NONIN-
DUCTIVE
50
N1. 10
N1.
OSCILLOSCOPE
(NOTE 1)
(+)
25VDC
(approx)
(-)
(-)
(-)
-1 .0A
1cm
-0.25A
0
trr
+0.5A
Single Phase
Half W ave 60Hz
Resistive or
Inductive Load
RU4,RU4A,RU4B
0
1.0
2.0
25050
3.0
4.0
RU4Y,RU4Z
75 100 150125
RU4C
RU4YX
0
0.01
0.04
0.1
1.0
10
100
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
TJ=25
Pulse Width=300 µS
RU4YX
RU4C
RU4B
RU4,RU4A
RU4Y,RU4Z
1 5 10
050
80
20
10
100
30
40
50
60
70
90 RU4YX
RU4,RU4A,
RU4B,RU4C
RU4Y,RU4Z
TJ=25
8.3ms S ingle Half
Sin e -Wav e
T J=25
10
20
100
200
0.1 0.2 0.4 1 2 4 10 40 10020
50
70
RU4A,RU4B,
RU4C,RU4YX
RU4Y,RU4Z,RU4
