1N4448WSF datasheet(2/4 Pages) DIODES

部件名	1N4448WSF

功能描述	SURFACE MOUNT FAST SWITCHING DIODE

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制造商	DIODES [Diodes Incorporated]

网页	http://www.diodes.com

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1N4448WSF

Document number: DS35380 Rev. 3 - 2

2 of 4

www.diodes.com

August 2011

1N4448WSF

Maximum Ratings @TA = 25°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Non-Repetitive Peak Reverse Voltage

VRM

100

V

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

75

V

RMS Reverse Voltage

VR(RMS)

53

V

Forward Continuous Current

IFM

500

mA

Average Rectified Output Current

IO

250

mA

Non-Repetitive Peak Forward Surge Current

@ t = 1.0

μs

@ t = 1.0s

IFSM

4

0.5

A

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 4)

PD

400

mW

Thermal Resistance Junction to Ambient Air (Note 4)

RθJA

313

°C/W

Operating and Storage Temperature Range

TJ, TSTG

-65 to +150

°C

Electrical Characteristics @TA = 25°C unless otherwise specified

Characteristic

Symbol

Min

Max

Unit

Test Condition

Reverse Breakdown Voltage (Note 5)

V(BR)R

75

⎯

V

IR = 100μA

Forward Voltage

VF

0.62

0.72

V

IF = 5.0mA

⎯

0.855

IF = 10mA

⎯

1.0

IF = 100mA

⎯

1.25

IF = 150mA

Leakage Current (Note 5)

IR

⎯

2.5

μA

VR = 75V

⎯

50

μA

VR = 75V, TJ = 150°C

⎯

30

μA

VR = 25V, TJ = 150°C

⎯

25

nA

VR = 20V

Total Capacitance

CT

⎯

4.0

pF

VR = 0, f = 1.0MHz

Reverse Recovery Time

trr

⎯

4.0

ns

IF = IR = 10mA,

Irr = 0.1 x IR, RL = 100Ω

Notes:

4. Part mounted on FR-4 PC board with minimum recommended pad layouts, which can be found on our website at http://www/diodes.com.

5. Short duration pulse test used to minimize self-heating.

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