DFM1E1中文资料
FAST RECOVERY DIODE
DFM1E
FEATURES
? For high speed switching.
? Diffused-junction. Resin encapsulated.
ABSOLUTE MAXIMUM RATINGS
Items
Type
DFM1E1
DFM1E2
DFM1E4
Repetitive Peak Reverse Voltage V RRM V 100
200
400
Average Forward Current
I F(AV)A 1.0(
Single-phase half sine wave 180° conduction TL = 80°C, Lead length = 6mm
)
Surge(Non-Repetitive) Forward Current I FSM A 40( Without PIV, 10ms conduction, Tj = 40°C start )
I 2t Limit Value
I 2t A 2s 6.4( Time = 2 ~ 10ms, I = RMS value )
Operating Junction Temperature T j °C -40 ~ +150Storage Temperature
T stg
°C
-40 ~ +150
Notes
(1) Lead mounting : Lead temperature 280°C max. to 3.2mm from body for 5sec. max..
(2) Mechanical strength : Bending 90°×2 cycles or 180°×1 cycle, Tensile 2kg, Twist 90°×1 cycle.
CHARACTERISTICS(T L =25°C)
Items
Symbols
Units
Min.
Typ.
Max.
Test Conditions
20 DFM1E1,2
Peak Reverse Current I RRM μA --10 DFM1E4
Rated V RRM
Peak Forward Voltage V FM V -- 1.2 I FM =1.0Ap, Single-phase half sine
wave 1 cycle
Reverse Recovery Time
trr μs --0.2 I F =0.5A, I rp =1.0A, 25%recovery R th(j-a)80Steady State Thermal Impedance
R th(j-l)
°C/W
-
-
50
Lead length = 6 mm
DFM1E
Forward characteristics
PEAK FORWARD VOLTAGE DROP (V)
P E A K F O R W A R D C U R R E N T (A )
Max. average forward power dissipation (Resistive or inductive load)
00.4
0.8
1.2
1.6
AVERAGE FORWARD CURRENT (A)
M A X . A V E R A G E F O R W A R D P O W E R D I S S I P A T I O N (W )
Max. allowable ambient temperature (Resistive or inductive load)
100120140160180AVERAGE FORWARD CURRENT (A)M A X . A L L O W A B L E A M B I E N T T E M P E R A T U R E (?C )
Max. allowable lead temperature (Resistive or inductive load)
020406080100120140160180
AVERAGE FORWARD CURRENT (A)
M A X . A L L O W A B L E L E A D T E M P E R A T U R E (?C )
Surge forward current characteristic (Non-repetitive)
CYCLES
S U R G E F O R W A R D C U R R E N T (A )
Transient thermal impedance
0.11.0
10
100
TIME (s)
T R A N S I E N T T H E R M A L I M P E D A N C E (?C /W )
DFM1E
Reverse recovery time(trr) test circuit
元器件交易网https://www.360docs.net/doc/526954342.html,
元器件交易网https://www.360docs.net/doc/526954342.html,
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