FEATURES
Low c ost
Diffused junction
Low leak age
Low f o r war d volt ag e dr op
High c ur r ent c apability
and similar solv ents
M ECHANICAL DAT A
Case:JEDEC DO-41,molded plastic
T er minals: Axial lead ,solderable per
M IL- STD-202,Method 208
P olari t y: Color band denotes c athode
W e ight: 0.34 gra ms
Mounting posit ion: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperatur e un less ot her wise spec if ied.
Single phase, half wave,60 Hz,r esistive or indu c t ive load . Fo r c apac itive load,der ate by 20%.
1N
4946 1N
4947 1N
4948 UNITS
Maximum recurrent pe ak reverse voltage VRRM
600 800 1000 V
Maximum RMS voltage VRMS
420 560 700 V
Maximum DC blocking voltage VDC
600 800 1000 V
Maximum ave rage forw ard rect ified current
9.5mm le ad length, @TA=75
Peak forw ard surge current
8.3ms single half-sine-wave
superimposed on rated load @T J=125
Maximum in sta nt aneous forw ard voltage
@ 1.0 A
VF
V
Maximum reverse current @T A=25
at rated DC bl ocking voltage @TA=100
Maximum reverse recovery time (Note1) trr
ns
Typical junction capacitance (Note2) CJ
pF
Typical thermal resistance (Note3) RฮธJA /W
Operat ing junction temperature range TJ
Storage temperature range TSTG
N OTE: 1. Meas ured wit h I F=0.5A, IR=1A, I rr=0.25A.
1N4942 - - - 1N4948
150 250 500
12
VOLTAGE RANGE: 200 --- 1000 V
CURRENT: 1.0 A
400
1N
4944
1.0 A
FAST RECOVERY RECTI FI ER
IF(AV)
The plastic material carries U/L recognition 94V -0
IR
30.0
5.0
100
1.3
A
IFSM
3. Thermal res ist anc e from junc t ion to am bient .
A
2. Measured at 1. 0MHz and applied revers e volt age of 4. 0V D C.
- 55---- +150
- 55---- + 150
55
GALAXY ELECTRICAL
DO - 41
200
140
200
1N
4942
E asily c leaned with Fr eon,Alc oh ol, Isopro panol
400
280
www.galaxycn.com
BL
BLGALAXY ELECTRICALDocument Number 0261081 1.