FM4937 Datasheet PDF - Leshan Radio Company
| Part Number | FM4937 | |
| Description | 1A FAST RECOVERY SMA DIODES | |
| Manufacturers | Leshan Radio Company | |
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LESHAN RADIO COMPANY, LTD.
FM4933 thru FM4937
1.FEATURES
Surface Mount Glass Passivated
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically
Fast Recovery Rectifiers
Reverse Voltage 50 to 600V
Forward Current 1.0A
bonded construction
* For use in high frequency rectifier circuits
* Fast switching for high efficiency
* Cavity-free glass passivated junction
* Capable of meeting environmental standards
of MIL-S-19500
* 1.0 A operation at TA=75°C with no thermal runaway
* Typical IR less than 1.0µA
* High temperature soldering guaranteed:
260°C/10 seconds
2.Mechanical Data
Case: JEDEC DO-214AC, molded plastic over glass body
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.002 oz., 0.061 g
Handling precautin:None
We declare that the material of product
compliance with RoHS requirements.
3.Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
FM
4933
FM
4934
FM
4935
FM
4936
FM
4937
Unit
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
VRRM
VRMS
VDC
50 100 200 400 600 V
35 70 140 280 420 V
50 100 200 400 600 V
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
IF(AV)
1.0
A
Peak forward surge current 8.3ms single half sine-
wave superimposed on rated load (JEDEC
Method)
IFSM
Typical thermal resistance (Note 2)
RθJA
Operating junction and storage temperature range TJ, TSTG
30
55
–50 to +150
A
°C/W
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
FM
4933
FM
4934
FM
4935
FM
4936
FM
4937
Unit
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
VF
IR
1.2 V
5.0
100
µA
Typical reverse recovery time (Note 1)
trr
150 ns
Typical junction capacitance at 4.0V, 1MHz
CJ
15.0 PF
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
1/3
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for FM4937 electronic component. |
| Information | Total 4 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ FM4937.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| FM4933 | The function is SURFACE MOUNT GLASS PASSIVATED FAST RECOVERY SILICON RECTIFIER (VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere). Rectron Semiconductor |  |
| FM4933 | The function is 1A FAST RECOVERY SMA DIODES. Leshan Radio Company | |
| FM4934 | The function is 1A FAST RECOVERY SMA DIODES. Leshan Radio Company | |
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