FM4937_15 Datasheet, PDF (1/4 Pages) Leshan Radio Company – Surface Mount Glass Passivated

LESHAN RADIO COMPANY, LTD.
FM4933 thru FM4937
1.FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically
Surface Mount Glass Passivated
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 die
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.0026 oz., 0.075 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
V_RRM
50 100 200 400 600 V
Maximum RMS voltage
V_RMS
35 70 140 280 420 V
Maximum DC blocking voltage
V_DC
50 100 200 400 600 V
Maximum average forward rectified current
0.375" (9.5mm) lead length at T_A = 75°C
IF(AV)
1.0
A
Peak forward surge current 8.3ms single half sine-
wave superimposed on rated load (JEDEC
I_FSM
Method)
30
A
Typical thermal resistance (Note 2)
RθJA
55
°C/W
Operating junction and storage temperature range TJ, TSTG
–50 to +150
°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
V_F
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
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
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