BYQ28EB datasheet(3/8 Pages) PHILIPS

3 / 8 page

Philips Semiconductors

Product specification

Rectifier diodes

BYQ28E, BYQ28EB, BYQ28ED series

ultrafast, rugged

Fig.1. Definition of t

rr1, Qs and Irrm

Fig.2. Definition of V

Fig.3. Maximum forward dissipation P

F = f(IF(AV)) per

diode; square current waveform where

F(AV) =IF(RMS) x √D.

Fig.4. Circuit schematic for t

rr2

Fig.5. Definition of t

rr2

Fig.6. Maximum forward dissipation P

F = f(IF(AV)) per

diode; sinusoidal current waveform where a = form

factor = I

F(RMS) / IF(AV).

100%

10%

time

rrm

shunt

Current

to ’scope

D.U.T.

Voltage Pulse Source

time

V F

I = 1A

rec

= 0.25A

trr2

0.5A

345

D = 1.0

0.5

0.2

0.1

BYQ28

IF(AV) / A

PF / W

Tmb(max) / C

150

145

140

135

130

125

120

115

110

D =

Vo = 0.748 V

Rs = 0.0293 Ohms

0123456

a = 1.57

1.9

2.2

2.8

BYQ28

IF(AV) / A

PF / W

Tmb(max) / C

150

145

140

135

130

125

120

Vo = 0.748 V

Rs = 0.0293 Ohms

October 1998

Rev 1.300

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