HFB50HC20C(2001) Просмотр технического описания (PDF) - International Rectifier

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HFB50HC20C
(Rev.:2001)

Ultrafast, Soft Recovery Diode

International Rectifier 

HFB50HC20C

REVERSE RECOVERY CIRCUIT

VR = 200V

L = 70µH

0.01 Ω

D .U .T.

dif/dt

ADJUST G

D

IRFP250

S

Fig. 9 - Reverse Recovery Parameter Test Circuit

IF

0

3

trr

ta

tb

2

I RRM

Q rr 4

0.5 I RRM

di(rec)M /dt 5

0.75 IRRM

1 dif /dt

1. dif/dt - Rate of change of current

through zero crossing

2. IRRM - Peak reverse recovery current

3. trr - Reverse recovery time measured

from zero crossing point of negative

going IF to point where a line passing

through 0.75 IRRM and 0.50 IRRM

extrapolated to zero current

4. Qrr - Area under curve defined by trr

and IRRM

trr X IRRM

Qrr =

2

5. di(rec)M/dt - Peak rate of change of

current during tb portion of trr

Fig. 10 - Reverse Recovery Waveform and Definitions

Case Outline and Dimensions — TO-258AA

A

4.19 [.165]

3.93 [.155]

17.65 [.695]

17.39 [.685]

6.85 [.270]

6.09 [.240]

0.12 [.005]

1.14 [.045]

0.88 [.035]

37.00 [1.457]

20.40 [1.197]

17.95 [.707]

17.70 [.697]

1 23

19.05 [.750]

12.70 [.500]

21.20 [.835]

20.70 [.815]

C

13.97 [.550]

13.46 [.530]

5.08 [.200]

2X

3X

1.65 [.065]

1.39 [.055]

0.50 [.020] C A B

0.25 [.010] C

NOT ES :

1. DIMENS IONING & TOLERANCING PER AS ME Y14.5M-1994.

2. ALL DIMENS IONS ARE S HOWN IN MILLIMET ERS [INCHES ].

3. CONTROLLING DIMENS ION: INCH.

4. CONFORMS TO JEDEC OUTLINE T O-258AA.

PIN AS S IGNMENTS

1 = ANODE 1

2 = COMMON CATHODE

3 = ANODE 2

B

3.55 [.140]

IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105

TAC Fax: (310) 252-7903

Visit us at www.irf.com for sales contact information.

Data and specifications subject to change without notice. 08/01

www.irf.com

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