RECTRON SM4934

SM4933
RECTRON
THRU
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SM4937
SURFACE MOUNT GLASS PASSIVATED
FAST RECOVERY SILICON RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
FEATURES
*
*
*
*
*
*
*
Fast switching
Glass passivated device
Ideal for surface mounted applications
Low leakage current
Metallurgically bonded construction
Mounting position: Any
Weight: 0.015 gram
MELF
MECHANICAL DATA
* Epoxy : Device has UL flammability classification 94V-0
.205 (5.2)
.190 (4.8)
SOLDERABLE
ENDS
.028 (.60)
.018 (.46)
.106 (2.7)
.095 (2.4)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current TA = 55o C
Peak Forward Surge Current IFM (surge): 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Thermal Resistance
SYMBOL
SM4933
SM4934
SM4935
SM4936
SM4937
UNITS
VRRM
50
100
200
400
600
Volts
VRMS
35
70
140
280
420
Volts
VDC
50
100
200
400
600
1.0
Amps
I FSM
30
Amps
(Note 2) Rθ JL
(Note 3) Rθ JA
30
75
15
-65 to + 175
CJ
T J , T STG
Typical Junction Capacitance (Note 1)
Operating and Storage Temperature Range
Volts
IO
0
0
C/ W
C/ W
pF
0
C
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted)
CHARACTERISTICS
SYMBOL
Maximum Forward Voltage at 1.0A DC
Maximum Full Load Reverse Current,Full cycle Average at TA = 55oC
Maximum Average Reverse Current at
Rated DC Blocking Voltage
Maximum Reverse Recovery Time (Note 4)
@T A = 25 o C
@T A = 125 oC
SM4933
SM4934
SM4935
SM4936
SM4937
UNITS
IR
1.2
50
5.0
Volts
uAmps
uAmps
trr
100
200
uAmps
nSec
VF
NOTES : 1. Measured at 1.0 MHz and applied average voltage of 4.0VDC
2. Thermal resistance junction to terminal 6.0mm2 copper pads to each terminal.
3. Thermal resistance junction to ambient, 6.0mm2 copper pads to each terminal.
4. Test Conditions: IF = 1.0A, VR = 30V.
2001-4
1.0
.8
.6
.4
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
.2
0
0
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
50
40
30
20
10
8.3ms Single Half Sine-Wave
(JEDED Method)
0
25 50
75 100 125 150 175
AMBIENT TEMPERATURE, ( )
1
4
TJ = 100
1.0
.4
.1
.04
TJ = 25
.01
0
20 40
60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
TIME CHARACTERISTIC
2 3.8uH
3 /1.4
6
C.P.CLARE
HPG 1002
4
5
30 Vdc
CONSTANT VOLTAGE
SUPPLY
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
MINIMIZE ALL LEAD LENGTHS
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
R2-TEN-1W 10
IN PARALLEL
10
TA = 25
0
trr
IFM 1.0
i(t)
20
10
di/dt = 50A/uS
0
Zout 11/2
MAX
DC to 2kHz
% CARBON CORE
FOR RECTIFIER
TJ = 25
Pulse Width = 300us
1% Duty Cycle
1.0
.1
.6
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
1.0 Adc FROM
CONSTANT
R2
VOLTAGE SUPPLY
C1
1
RIPPLE = 3mVrms MAX
1.0uF
10W
300V
NONINDUCTIVE
4 6 8 10 20
40 60 80100
NUMBER OF CYCLES AT 60Hz
.01
1
8
115Va 10K
60Hz 2W 7
2
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
10
FORWARD SURGE CURRENT, (A)
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
JUNCTION CAPACITANCE, (pF)
INSTANTANEOUS REVERSE CURRENT, (uA) AVERAGE FORWARD CURRENT, (A)
RATING AND CHARACTERISTIC CURVES ( SM4933 THRU SM4937 )
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
TJ = 25
2
1
IRM (REC)
SET TIME BASE FOR
50/100 ns/cm
.1
.2 .4
1.0 2 4
10 20 40
REVERSE VOLTAGE, ( V )
RECTRON
100