FAST RECOVERY DIODE
DFM1SA
FEATURES
OUTLINE DRAWING
• For high speed switching.
• Diffused-junction. Resin encapsulated.
φ 2.5
(0.1)
Unit in mm(inch)
Cathode band
3
(0.12)
Yellow
White
Blue
28MIN.
(1.10)
DFM1SA1 (100V)
DFM1SA2 (200V)
DFM1SA4 (400V)
φ 0.6
(0.024)
Symbol(Red)
Color of
cathode band
Type
59MIN. (2.32)
28MIN.
(1.10)
Direction of polarity
Weight: 0.20 (g)
ABSOLUTE MAXIMUM RATINGS
Items
DFM1SA1
Type
Repetitive Peak Reverse Voltage
VRRM
Average Forward Current
IF(AV)
A
Surge(Non-Repetitive) Forward Current
DFM1SA2
DFM1SA4
100
200
400
V
Single-phase half sine wave 180° conduction
0.8 TL = 60°C, Lead length = 10mm
(
)
IFSM
A
30( Without PIV, 10ms conduction, Tj = 150°C start )
I2t Limit Value
I2t
A2s
3.6( Time = 2 ~ 10ms, I = RMS value )
Operating Junction Temperature
Tj
°C
-40 ~ +150
Tstg
°C
-40 ~ +150
Storage Temperature
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(TL=25°C)
Items
Symbols
Units
Min.
Typ.
Max.
Test Conditions
20
DFM1SA1,2
10
DFM1SA4
Peak Reverse Current
IRRM
µA
-
-
Peak Forward Voltage
VFM
V
-
-
1.3
IFM=0.8Ap, Single-phase half sine
wave 1 cycle
trr
µs
-
-
0.2
IF=0.5A, Irp=1.0A, 25%recovery
Rth(j-a)
°C/W
-
-
Reverse Recovery Time
Steady State Thermal Impedance
Rth(j-l)
110
80
Rated VRRM
Lead length = 10 mm
PDE-DFM1SA-0
