Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web: http://www.frontierusa.com
1A FAST RECOVERY PLASTIC RECTIFIER
1N4933-LFR THRU 1N4937-LFR
FEATURES
z LOW COST
z PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY
FLAMMABILITY CLASSIFICATION 94V-0
z 1 AMPERE OPERATION AT TA=55°C WITH NO THERMAL
RUNAWAY
1.0(25.4)
MIN
z FAST SWITCHING FOR HIGH EFFICIENCY
z EXCEEDS ENVIRONMENTAL STANDARDS OF MIL-STD-19500
z HIGH TEMPERATURE SOLDERING GUARANTEED: 250°C /
10S/0.375” (9.5mm) LEAD LENGTH /5 LBS (2.3KG) TENSION
z ROHS
.034(0.9)
.028(0.7)
.205(5.2)
.166(4.2)
.107(2.7)
.080(2.0)
MECHANICAL DATA
z CASE: JEDEC DO-41, MOLDED CASE, DIMENSIONS IN INCHES AND (MILLIMETERS)
z TERMINAL: AXIAL LEADS, SOLDERABLE PER MIL-STD-202,
METHOD 208
1.0(25.4)
MIN
z POLARITY: COLOR BAND DENOTES CATHODE
z MOUNTING POSITION: ANY
z WEIGHT: 0.34 GRAMS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED
SINGLE PHASE, HALF WAVE, 60 HZ, RESISTIVE OR INDUCTIVE LOAD. FOR CAPACITIVE LOAD, DERATE CURRENT BY 20%
1N4933-LF 1N4934-LF 1N4935-LF 1N4936-LF 1N4937-LF
RATINGS
SYMBOL
UNITS
R
R
R
R
R
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
400
280
400
600
420
600
V
V
V
MAXIMUM DC BLOCKING VOLTAGE
100
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
0.375”(9.5mm) LEAD LENGTH AT TA=55°C
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD
TYPICAL JUNCTION CAPACITANCE (NOTE 1)
IO
1.0
30
A
A
IFSM
CJ
15
50
PF
TYPICAL THERMAL RESISTANCE (NOTE 2)
STORAGE TEMPERATURE RANGE
℃/W
R
θja
TSTG
TOP
- 55 TO + 150
- 55 TO + 150
℃
℃
OPERATING TEMPERATURE RANGE
ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED)
1N4933-LF 1N4934-LF 1N4935-LF 1N4936-LF 1N4937-LF
CHARACTERISTICS
SYMBOL
UNITS
R
R
R
R
R
MAXIMUM FORWARD VOLTAGE AT IO DC
VF
IR
1.2
V
MAXIMUM REVERSE CURRENT AT 25℃
5
μA
MAXIMUM REVERSE CURRENT AT 100℃
IR
50
μA
MAXIMUM REVERSE RECOVERY TIME (NOTE 2)
TRR
120
nS
NOTE: 1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS
2. BOTH LEADS ATTACHED TO HEAT SINK 20x20x1t(mm) COPPER PLATE AT LEAD LENGTH 5mm
3. REVERSE RECOVERY TEST CONDITIONS: IF=0.5A, IR=1.0A, IRR=0.25A
1N4933-LFR THRU 1N4937-LFR
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