SURFACE MOUNT GLASS PASSIVATED
FAST RECOVERY SILICON RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
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%.
FM4937L
THRU
FM4933L
SMAL
MAXIMUM RATINGS
(@ T
A
=25
O
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS
(@T
A
=25
O
C unless otherwise noted)
Dimensions in inches and (millimeters)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 55
O
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
1.0
30
70
15
Amps
0
C/W
0
C/W
0
C
Storage Temperature Range
R
q
J L
Typical Thermal Resistance (Note 1)
30
R
q
J A
I
O
pF
Operating Temperature Range
T
J
FM4933L
50
-55 to + 150
150
0
C
FM4934L
FM4935L
FM4936L
FM4937L
FM4933L
FM4934L
FM4935L
FM4936L
FM4937L
100
200
400
35
70
140
280
50
100
200
400
600
600
420
2006-12
CHARACTERISTICS
Maximum Average Reverse Current
Maximum Full Load Reverse Current, Full
cycle Average T
A
=55
O
C
Maximum Reverse Recovery Time (Note 4)
at Rated DC Blocking Voltage
V
F
SYMBOL
I
trr
R
m
A
m
A
m
A
Maximum Instantaneous Forward Voltage at 1.0A DC
Volts
2
50
100
200
nSec
@T
A
= 25
o
C
@T
A
= 100
o
C
UNITS
1.2
NOTES : 1. Thermal Resistance : Mounted on PCB.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
4. Test Conditions: I
F
= 0.5A, I
R
= -1.0A, I
RR
= -0.25A.
3. “Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
FEATURES
* Ideal for surface mounted applications
* Glass passivated device
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weight: 0.057 gram
* Epoxy: Device has UL flammability classification 94V-O
MECHANICAL DATA
0.067 ( 1.70 )
0.063 ( 1.60 )
0.012 ( 0.305 )
0.006 ( 0.152 )
0.008 ( 0.203 )
0.004 ( 0.102 )
0.059 ( 1.50 )
0.035 ( 0.89 )
0.209 ( 5.31 )
0.185 ( 4.70 )
0.180 ( 4.57 )
0.160 ( 4.06 )
0.110 ( 2.79 )
0.086 ( 2.18 )
0.067 (1.70 )
0.051 (1.29 )
AMBIENT TEMPERATURE, (
O
C)
IN
ST
AN
TA
NE
O
US
R
EV
ER
SE
C
UR
RE
NT
, (
m
A)
25
0.8
1.0
0
0.6
0.4
0.2
0
75
50
175
100
125
150
RATING AND CHARACTERISTICS CURVES ( FM4933L THRU FM4937L )
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
AV
ER
AG
E
FO
RW
AR
D
CU
RR
EN
T,
(A
)
0
0.1
10
1.0
1000
100
60
20
40
80
100
120
140
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
trr
IFM 1.0
i(t)
0
IRM (REC)
1cm
SET TIME BASE FOR 50/100 ns/cm
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
T
A
= 25
O
C
T
A
= 75
O
C
T
A
= 100
O
C
8
7
6
5
4
3
2
1
115Va 10K
60Hz 2W
C.P.CLARE
HPG 1002
30 Vdc
CONSTANT VOLTAGE
SUPPLY
3.8uH
/1.4
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
R2
1
10W
NON-
INDUCTIVE
C1
1.0uF
300V
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE = 3mVrms MAX
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
Zout 11/2 MAX
DC to 2kHz
R2-TEN-1W 10 % CARBON CORE
IN PARALLEL
TA = 25 FOR RECTIFIER
10
0
di/dt = 50A/
m
S
NUMBER OF CYCLES AT 60Hz
PE
AK
F
O
RW
AR
D
SU
RG
E
CU
RR
EN
T,
(A
)
INSTANTANEOUS FORWARD VOLTAGE, (V)
1
10
30
20
50
100
125
150
200
IN
ST
AN
TA
NE
O
US
F
O
RW
AR
D
CU
RR
EN
T,
(A
)
1.0
0.3
0.1
0.03
0.01
3.0
10
20
10
5
50
100
2.5
2.0
1.5
1.0
0.5
0
3.0
3.5
RATING AND CHARACTERISTICS CURVES ( FM4933L THRU FM4937L )
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
REVERSE VOLTAGE, (V)
JU
NC
TI
O
N
CA
PA
CI
TA
NC
E,
(p
F)
4
6
40
20
10
60
200
100
0.2
0.1
2
1
0.4
2
1.0
4
10
20
40
100
FIG.6 TYPICAL JUNCTION CAPACITANCE
8.3ms Single Half Sine-Wave
(JEDED Method)
Pulse Width=300uS
1% Duty Cycle
T
J
= 25
O
C
T
J
= 25
O
C
Mounting Pad Layout
Dimensions in inches and (millimeters)
0.060MIN.
( 1.52 MIN.)
0.220
0.094 MAX.
(2.38 MAX.)
0.052 MAX.
(1.32 MAX.)
(5.58) REF
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