FM4937W Rectron Limited, FM4937W Datasheet - Page 2

• Manufacturer Part Number: FM4937W
• Description: Surface Mount Fast Recovery Silicon Rectifier Voltage Range 50 To 600 Volts Current 1.0 Ampere
• Manufacturer: Rectron Limited

FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
R1-ADJUSTED FOR 1.4£[ BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE = 3.8uH
115Va 10K
60Hz 2W
C.P.CLARE
HPG 1002
30 Vdc
CONSTANT VOLTAGE
SUPPLY
1.0
1.0
.04
.01
10
.8
.6
.4
.2
.4
.1
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
0
4
IRM (REC)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
0
0
IFM 1.0
7
6
FIG. 1 - TYPICAL FORWARD CURRENT
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
8
0
5
25
TIME CHARACTERISTIC
20
i(t)
AMBIENT TEMPERATURE, (
MINIMIZE ALL LEAD LENGTHS
RATING AND CHARACTERISTIC CURVES ( FM4933W THRU FM4937W )
1
4
di/dt = 50A/uS
40
50
2
3
DERATING CURVE
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
3.8uH
/1.4
trr
T J = 100
SET TIME BASE FOR
50/100 ns/cm
60
75
R2-TEN-1W 10
IN PARALLEL
T A = 25
R2
1
10W
NON-
INDUCTIVE
100 125
80
UNIT
UNDER TEST
30
50W
NON-INDUCTIVE
T J = 25
10
0
100 120 140
C1
1.0uF
300V
% CARBON CORE
FOR RECTIFIER
150 175
Zout 1 1 / 2
DC to 2kHz
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE = 3mVrms MAX
)
MAX
200
100
1.0
.01
60
40
20
10
20
10
50
40
30
20
10
.1
6
4
2
1
0
.6
.1
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
1
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
INSTANTANEOUS FORWARD VOLTAGE, (V)
8.3ms Single Half Sine-Wave
(JEDED Method)
T J = 25
Pulse Width = 300us
1% Duty Cycle
.2 .4
2
NUMBER OF CYCLES AT 60Hz
.8
REVERSE VOLTAGE, ( V )
RECTRON
4
CHARACTERISTICS
SURGE CURRENT
1.0 2
T J = 25
6 8 10
1.0
4
20
10 20 40
1.2
40 6080 100
1.4
100