FM4937W Rectron Limited, FM4937W Datasheet
FM4937W
Manufacturer Part Number
FM4937W
Description
Surface Mount Fast Recovery Silicon Rectifier Voltage Range 50 To 600 Volts Current 1.0 Ampere
Manufacturer
Rectron Limited
Datasheet
1.FM4937W.pdf
(3 pages)
MAXIMUM RATINGS (At T
ELECTRICAL CHARACTERISTICS (At T
NOTES : 1. Measured at 1.0 MHz and applied average voltage of 4.0VDC
Rated DC Blocking Voltage
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current at T
Peak Forward Surge Current I
superimposed on rated load (JEDEC method)
Maximum Thermal Resistance
Typical Junction Capacitance (Note 1)
Operating and Storage Temperature Range
Maximum Forward Voltage at 1.0A DC
Maximum Full Load Reverse Current,Full cycle Average at T
Maximum Average Reverse Current at
Maximum Reverse Recovery Time (Note 4)
FEATURES
* Ideal for surface mounted applications
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weight: 0.057 gram
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
* Epoxy : Device has UL flammability classification 94V-0
SEMICONDUCTOR
TECHNICAL SPECIFICATION
5.“Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
2. Thermal resistance junction to case.
3. Thermal resistance junction to ambient, 6.0mm
4. Test Conditions: I
RECTRON
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
o
C ambient temperature unless otherwise specified.
CHARACTERISTICS
A
FAST RECOVERY SILICON RECTIFIER
F
= 25
= 1.0A, V
RATINGS
FM
o
C unless otherwise noted)
(surge): 8.3 ms single half sine-wave
R
= 30V.
A
= 25
o
C unless otherwise noted)
SURFACE MOUNT
@T
@T
A
= 55
A
A
A
2
= 55
copper pads to each terminal.
= 25
= 125
o
C
o
C
o
C
o
C
(Note 3) R
(Note 2) R
SYMBOL
SYMBOL
T
J
V
V
I
, T
V
FSM
RRM
RMS
I
C
V
trr
I
DC
O
R
J
F
STG
JA
JC
FM4933W
FM4933W
50
35
50
FM4934W
FM4934W
.110 (2.79)
.086 (2.18)
.011 (0.28)
.007 (0.18)
100
100
.059 (1.50)
.035 (0.89)
70
Dimensions in inches and (millimeters)
-55 to + 150
FM4935W
FM4935W
200
140
200
200
1.0
100
1.2
5.0
30
30
70
15
50
.180 (4.57)
.160 (4.06)
.209 (5.31)
.185 (4.70)
FM4933W
FM4937W
FM4936W
FM4936W
400
280
400
THRU
.091 (2.31)
.067 (1.70)
FM4937W
FM4937W
600
420
600
.071 (1.80)
.051 (1.30)
SMX
uAmps
uAmps
uAmps
UNITS
UNITS
Amps
Amps
Volts
Volts
Volts
0
0
Volts
nSec
C/ W
C/ W
2005-11
pF
0
REV:O
C
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FM4937W Summary of contents
Page 1
... Dimensions in inches and (millimeters) FM4935W FM4936W FM4937W UNITS 100 200 400 600 Volts 70 140 280 420 Volts 100 200 400 600 Volts 1.0 Amps 30 Amps - 150 FM4935W FM4936W FM4937W UNITS 1.2 Volts 50 uAmps 5.0 uAmps 100 uAmps 200 nSec 2005-11 REV:O ...
Page 2
... RATING AND CHARACTERISTIC CURVES ( FM4933W THRU FM4937W ) FIG TYPICAL FORWARD CURRENT DERATING CURVE 1 Single Phase Half Wave 60Hz .2 Resistive or Inductive Load 100 125 AMBIENT TEMPERATURE, ( FIG TYPICAL REVERSE CHARACTERISTICS 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG ...
Page 3
Mounting Pad Layout 0.094 MAX. (2.38 MAX.) 0.071 MIN. (1.80 MIN.) 0.052 MIN. (1.32 MIN.) 0.220 (5.58) REF Dimensions in inches and (millimeters) RECTRON ...