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DISCRETE SEMICONDUCTORS

M3D176

BAX18

General purpose diode

Product specification

1996 Apr 17

Supersedes data of April 1992

File under Discrete Semiconductors, SC01

Philips Semiconductors

Product specification

 

 

 

 

General purpose diode

BAX18

 

 

 

 

FEATURES

∙Hermetically sealed leaded glass SOD27 (DO-35) package

∙Switching speed: max. 50 ns

∙General application

∙Continuous reverse voltage: max. 75 V

∙Repetitive peak reverse voltage: max. 75 V

∙Repetitive peak forward current: max. 2 A

∙Forward voltage: max. 1 V.

APPLICATIONS

∙ Rectifier applications.

DESCRIPTION

The BAX18 is a general purpose diode fabricated in planar technology, and encapsulated in the hermetically sealed leaded glass SOD27 (DO-35) package.

k

a

handbook, halfpage

 

MAM246

The diode is type branded.

Fig.1 Simplified outline (SOD27; DO-35) and symbol.

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

 

 

 

 

 

 

VRRM

repetitive peak reverse voltage

 

−

75

V

VR

continuous reverse voltage

 

−

75

V

IF

continuous forward current

see Fig.2; note 1

−

500

mA

IFRM

repetitive peak forward current

 

−

2000

mA

IFSM

non-repetitive peak forward current

square wave; Tj = 25 °C prior to

 

 

 

 

 

surge; see Fig.4

 

 

 

 

 

t = 1 μs

−

55

A

 

 

t = 100 μs

−

15

A

 

 

t = 10 ms

−

9

A

 

 

 

 

 

 

Ptot

total power dissipation

Tamb = 25 °C; note 1

−

450

mW

Tstg

storage temperature

 

−65

+200

°C

Tj

junction temperature

 

−

200

°C

Note

1. Device mounted on an FR4 printed circuit-board; lead length 10 mm.

1996 Apr 17

2

Philips Semiconductors

 

 

Product specification

 

 

 

 

 

 

 

General purpose diode

 

 

 

BAX18

 

 

 

 

 

 

 

ELECTRICAL CHARACTERISTICS

 

 

 

 

 

Tj = 25 °C; unless otherwise specified.

 

 

 

 

 

 

 

 

 

 

 

 

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

 

UNIT

 

 

 

 

 

 

 

VF

forward voltage

see Fig.3

 

 

 

 

 

 

IF = 300 mA

−

1.0

 

V

 

 

IF = 2 A; Tj = 150 °C

−

1.5

 

V

IR

reverse current

see Fig.5

 

 

 

 

 

 

VR = 75 V

−

5

 

μA

 

 

VR = 75 V; Tj = 150 °C

−

100

 

μA

Cd

diode capacitance

f = 1 MHz; VR = 0; see Fig.6

−

35

 

pF

trr

reverse recovery time

when switched from IF = 30 mA to

−

50

 

ns

 

 

IR = 30 mA; RL = 100 Ω;

 

 

 

 

 

 

measured at IR = 3 mA; see Fig.7

 

 

 

 

THERMAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

 

 

 

 

 

Rth j-tp

thermal resistance from junction to tie-point

lead length 10 mm

240

K/W

Rth j-a

thermal resistance from junction to ambient

lead length 10 mm; note 1

375

K/W

Note

1. Device mounted on a printed circuit-board without metallization pad.

1996 Apr 17

3

Philips Semiconductors

Product specification

 

 

General purpose diode

BAX18

 

 

GRAPHICAL DATA

500

 

 

 

 

 

MBG455

 

 

 

 

 

 

handbook, halfpage

 

 

 

 

 

 

IF

 

 

 

 

 

 

(mA)

 

 

 

 

 

 

400

 

 

 

 

 

 

300

 

 

 

 

 

 

200

 

 

 

 

 

 

100

 

 

 

 

 

 

0

 

 

 

o

 

 

0

100

Tamb

(

C)

200

 

 

 

 

Device mounted on an FR4 printed-circuit board; lead length 10 mm.

Fig.2 Maximum permissible continuous forward current as a function of ambient temperature.

MBG467

3 handbook, halfpage

IF

(A)

(1)

(2)

(3)

(4)

2

1

0

0

1

VF

(V)

2

 

 

 

(1)Tj = 175 °C; typical values.

(2)Tj = 25 °C; typical values.

(3)Tj = 150 °C; maximum values.

(4)Tj = 25 °C; maximum values.

Fig.3 Forward current as a function of forward voltage.

MBG702

102 handbook, full pagewidth

IFSM

(A)

10

1

10−1

1

10

102

103

tp (μs)

104

 

 

 

 

 

Based on square wave currents.

Tj = 25 °C prior to surge.

Fig.4 Maximum permissible non-repetitive peak forward current as a function of pulse duration.

1996 Apr 17

4

Philips Semiconductors

Product specification

 

 

General purpose diode

BAX18

 

 

104

MBG697

 

 

handbook, full pagewidth

IR

(μA)

103

102

10

1

10−1

10−2

0

100

Tj (oC)

200

VR = 75 V.

Solid line; maximum values. Dotted line; typical values.

Fig.5 Reverse current as a function of junction temperature.

MGD003

40 handbook, halfpage

Cd (pF)

30

20

10

0

0

10

20

30

 

 

VR

(V)

f = 1 MHz; Tj = 25 °C.

Fig.6 Diode capacitance as a function of reverse voltage; typical values.

1996 Apr 17

5

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