BAS521 datasheet(2/8 Pages) PHILIPS

2 / 8 page

2003 Aug 12

Philips Semiconductors

Product speciﬁcation

High voltage switching diode

BAS521

FEATURES

• High switching speed: max. 50 ns

• High continuous reverse voltage: 300 V

• Repetitive peak forward current: 625 mA

• Ultra small plastic SMD package.

APPLICATIONS

• High speed switching

• High voltage switching.

DESCRIPTION

The BAS521 is a high-voltage switching diode fabricated

in planar technology and encapsulated in an ultra small

SOD523 (SC-79) plastic SMD package.

PINNING

DESCRIPTION

cathode

anode

handbook, halfpage12

Top view

MAM408

Fig.1

Simplified outline (SOD523; SC-79), and

symbol.

Marking code: L4.

The marking bar indicates the cathode.

LIMITING VALUES

In accordance with the absolute Maximum Rating System (IEC 60134).

Note

1. Ts is the temperature at the soldering point of the cathode tab.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

continuous reverse voltage

−

300

VRRM

repetitive peak reverse voltage

−

300

continuous forward current

Ts ≤ 90 °C; note 1

−

250

IFRM

repetitive peak forward current

tp = 1 ms; δ = 0.25

−

IFSM

non-repetitive peak forward current

tp =1 µs; square wave; Tj =25 °C

prior to surge

−

4.5

Ptot

total power dissipation

Ts ≤ 90 °C; note 1

−

500

Tstg

storage temperature

−65

+150

°C

junction temperature

−

150

°C

Tamb

operating ambient temperature

−65

+150

°C

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