RECTRON SM4935

SM4933
THRU
SM4937
SURFACE MOUNT GLASS PASSIVATED
FAST RECOVERY SILICON RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
d
e
u
n
i
nt
FEATURES
*
*
*
*
*
*
Glass passivated device
Ideal for surface mounted applications
Low leakage current
Metallurgically bonded construction
Mounting position: Any
Weight: 0.015 gram
o
c
is
D
MECHANICAL DATA
MELF
* Epoxy : Device has UL flammability classification 94V-0
DISCONTINUED-
.205 ( 5.2 )
.190 ( 4.8 )
"This series is replaced by the FM493X series that meets to the same
fit and function parameters and share the same solder pad layout.
The FM493X series is preferred for error-free vacuum pick-up and
PCB assembly."
SOLDERABLE
ENDS
.024 ( 0.6 )
.016 ( 0.4 )
.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 (@ TA=25 OC unless otherwise noted)
SYMBOL
SM4933
SM4934
SM4935
SM4936
SM4937
UNITS
Maximum Recurrent Peak Reverse Voltage
RATINGS
VRRM
50
100
200
400
600
Volts
Maximum RMS Voltage
VRMS
35
70
140
280
420
Volts
VDC
50
100
200
400
600
Volts
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T A = 55 OC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
IO
1.0
Amps
I FSM
30
Amps
pF
Typical Junction Capacitance (Note 2)
CJ
15
Operating Temperature Range
TJ
150
0
C
T STG
-55 to + 150
0
C
Storage Temperature Range
ELECTRICAL CHARACTERISTICS (@TA=25 C unless otherwise noted)
O
CHARACTERISTICS
SYMBOL
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum Full Load Reverse Current, Full
cycle Average T A =55 OC
Maximum Average Reverse Current
@T A = 25 o C
at Rated DC Blocking Voltage
@T A = 100 o C
Maximum Reverse Recovery Time (Note 4)
VF
IR
trr
NOTES : 1. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
2. “Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
3. Test Conditions: IF= 0.5A, IR= -1.0A, IRR= -0.25A.
SM4933
SM4934
SM4935
SM4936
SM4937
UNITS
1.2
Volts
50
mA
2
uA
100
uA
200
nSec
2007-5
RATING AND CHARACTERISTICS CURVES ( SM4933 THRU SM4937 )
trr
IFM 1.0
1
8
115Va 10K
60Hz 2W 7
2 3.8uH
3 /1.4
6
C.P.CLARE
HPG 1002
5
4
30 Vdc
CONSTANT VOLTAGE
SUPPLY
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
1.0 Adc FROM
CONSTANT
R2
VOLTAGE SUPPLY
C1
1
RIPPLE = 3mVrms MAX
1.0uF
10W
300V
NONINDUCTIVE
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT R2-TEN-1W 10
IN PARALLEL
R1-ADJUSTED FOR 1.4£[ BETWEEN
POINT 2 OF RELAY AND RECTIFIER
10
TA = 25
INDUCTIVE = 3.8uH
0
di/dt = 50A/mS
i(t)
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
0
Zout 11/2 MAX
DC to 2kHz
% CARBON CORE
FOR RECTIFIER
IRM (REC)
1cm
SET TIME BASE FOR 50/100 ns/cm
AVERAGE FORWARD CURRENT, (A)
1.0
0.8
0.6
0.4
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.2
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE, (OC)
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
175
INSTANTANEOUS REVERSE CURRENT, (uA)
FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
1000
100 TA = 100 OC
TA = 75 OC
10
TA = 25 OC
1.0
0.1
0
20
40
60
80
100
120
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
140
PEAK FORWARD SURGE CURRENT, (A)
20
10
TJ = 25 OC
3.0
1.0
0.3
0.1
0.03
0.01
Pulse Width=300uS
1% Duty Cycle
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
200
8.3ms Single Half Sine-Wave
(JEDED Method)
150
125
100
50
30
20
10
1
5
INSTANTANEOUS FORWARD VOLTAGE, (V)
10
TJ = 25 OC
100
60
40
20
10
6
4
2
0.1 0.2
100
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
200
1
50
NUMBER OF CYCLES AT 60Hz
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
JUNCTION CAPACITANCE, (pF)
INSTANTANEOUS FORWARD CURRENT, (A)
RATING AND CHARACTERISTICS CURVES ( SM4933 THRU SM4937 )
0.4
1.0
2
4
10
20
40
REVERSE VOLTAGE, (V)
FIG.6 TYPICAL JUNCTION CAPACITANCE
100
Mounting Pad Layout
F-SLOT WIDTH
OPTIMUM PAD SIZE
.100 (2.54)
.100 (2.54)
.100 (2.54)
.200 (5.08)
.300 (7.62)
Dimensions in inches and (millimeters)
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.