EFMA210 thru EFMA280
Surface Mount Glass Passivated Super Fast Rectifiers
Reverse Voltage 50 to 600V Forward Current 2.0A
.FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically
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
.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:
0.0023 oz., 0.065 g
Handling precautin:None
We declare that the material of product compliance
with ROHS requirements
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Making
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
= 75°C
Peak forward surge current 8.3ms single half sine-
wave superimposed on rated load (JEDEC Method)
Typical thermal resistance (Note 2)
Operating junction and storage temperature range
V
RRM
V
RMS
V
DC
IF(AV)
I
FSM
RθJA
TJ, TSTG
symbol
EFMA EFMA EFMA EFMA EFMA EFMA EFMA EFMA
210
220
230
240
250
260
270
280
EF21 EF22 EF23 EF24 EF25 EF26 EF27 EF28
50
35
50
100
70
100
150
105
150
200
140
200
2.0
75
55
–50
to +150
300
210
300
400
280
400
500
350
500
600
420
600
Unit
V
V
V
A
A
°C/W
°C
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. 8.0mm2 (.013mm thick) land areas
symbol
V
F
IR
trr
CJ
EFM
210
EFM
EFM
220
230
0.95
EFM
240
EFM
EFM
250
260
1.25
EFM
270
1.7
EFMA
280
Unit
V
µA
ns
PF
5.0
100
35
15.0
EFMA210 thru EFMA280
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
Average Forward Rectified Current (A)
50
80
60
40
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
2.0
1
20
0
1
10
Number of Cycles at 60Hz
100
0.375" (9.5mm) Lead Length
0
0
25
50 75 100 125 150 175
Ambient Temperature,
°C
10
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Instantaneous Reverse Current (µA)
Instantaneous Forward Current (A)
100
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
100
Tj=125℃
10
1.0
1.0
Tj=25℃
0.1
0.1
0.01
0.6
0.8
1.0
1.2
1.4
Instantaneous Forward Voltage (V)
1.6
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Junction Capacitance (pF)
100
Transient thermal impedance(°
C/W)
Fig 5.
–typical
transient thermal
impedance
20
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
10
1.0
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
1.0
0.1
1
10
Reverse Voltage (V)
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