DFM1SF1中文资料

FAST RECOVERY DIODE

DFM1SF

FEATURES

? For high speed switching.

? Diffused-junction. Resin encapsulated.

ABSOLUTE MAXIMUM RATINGS

Items

Type

DFM1SF1

DFM1SF2

DFM1SF4

DFM1SF6

Repetitive Peak Reverse Voltage V RRM V 100

200

400

600

Average Forward Current

I F(AV)A 1.0(

Single-phase half sine wave 180° conduction TL = 50°C, Lead length = 3mm

)

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 DFM1SF1,2Peak Reverse Current I RRM μA --10 DFM1SF4,6

Rated V RRM

Peak Forward Voltage V FM V -- 1.3 I FM =1.0Ap, Single-phase half sine

wave 1 cycle

Reverse Recovery Time

trr μs --0.1 I F =0.5A, I rp =1.0A, 25%recovery R th(j-a)100Steady State Thermal Impedance

R th(j-l)

°C/W

Lead length = 3 mm

DFM1SF

Forward characteristics

0.1

100

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

2.0

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)

AVERAGE 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

11.0

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 )

DFM1SF

Reverse recovery time(trr) test circuit

元器件交易网https://www.360docs.net/doc/e315430054.html,

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