HFA50HF20 데이터 시트보기 (PDF) - International Rectifier

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HFA50HF20

Ultrafast, Soft Recovery Diode

International Rectifier 

HEXFREDTM

Features

• Reduced RFI and EMI

• Reduced Snubbing

• Extensive Characterization of Recovery Parameters

• Hermetic

• Surface Mount

Description

HEXFREDTM diodes are optimized to reduce losses and

EMI/RFI in high frequency power conditioning systems.

An extensive characterization of the recovery behavior

for different values of current, temperature and di/dt

simplifies the calculations of losses in the operating

conditions. The softness of the recovery eliminates the

need for a snubber in most applications. These devices

are ideally suited for power converters, motors drives and

other applications where switching losses are significant

portion of the total losses.

PD - 20506

HFA50HF20

Ultrafast, Soft Recovery Diode

CATHODE

VR = 200V

VF = 0.96V

Qrr = 390nC

ANODE

ANODE

di(rec)M/dt = 900A/µs

SMD -1

Absolute Maximum Ratings (per Leg)

VR

IF @ TC = 100°C

IFSM @ TC = 25°C

PD @ TC = 25°C

TJ

TSTG

Parameter

D.C. Reverse Voltage

Continuous Forward Current 

Single Pulse Forward Current ‚

Maximum Power Dissipation

Operating Junction and

Storage Temperature Range

Max.

200

100

600

125

-55 to +150

Units

V

A

W

°C

Thermal - Mechanical Characteristics

RθJC

Wt

Parameter

Junction-to-Case, Single Leg Conducting

Weight

Note:  D.C. = 50% rect. wave

‚ 1/2 sine wave, 60 Hz , P.W. = 8.33 ms

www.irf.com

Typ.

—

2.6

Max.

1.0

—

Units

°C/W

g

1

9/18/98

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