Philips BA277 Datasheet

DISCRETE SEMICONDUCTORS

DATA SH EET

M3D319

BA277

Band-switching diode

Product specification

1998 May 06

Philips Semiconductors Product specification

Band-switching diode BA277

FEATURES

• Small plastic SMD package

• Continuous reverse voltage: max. 35 V

• Continuous forward current: max. 100 mA

PINNING

PIN DESCRIPTION

1 cathode
2 anode

• Low diode capacitance: max. 1.2 pF

• Low diode forward resistance: max. 0.7 Ω.

APPLICATIONS

handbook, halfpage

12

• Low loss band switching in VHF television tuners.

• Surface mount band-switching circuits.

DESCRIPTION

Planar high performance band-switching diode in a small
plastic SOD523 (SC-79) SMD package.

Marking code: 1.

Fig.1 Simplified outline (SOD523; SC-79)

Top view

and symbol.

MAM399

LIMITING VALUES

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

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

V

R

I

F

P

tot

T

stg

T

j

continuous reverse voltage − 35 V
continuous forward current − 100 mA
total power dissipation Ts=90°C − 715 mW
storage temperature −65 +150 °C
junction temperature −65 +150 °C

ELECTRICAL CHARACTERISTICS

T

= 25°C unless otherwise specified.

j

SYMBOL PARAMETER CONDITIONS MAX. UNIT

V

F

I

R

C

d

r

D

forward voltage IF=10mA 1 V
reverse current VR= 25 V 50 nA

V

= 20 V; T

R

=75°C1µA

amb

diode capacitance f = 1 MHz; VR= 6 V; note 1; see Fig.2 1.2 pF
diode forward resistance IF= 2 mA; f = 100 MHz; note 1; see Fig.3 0.7 Ω

Note

1. Guaranteed on AQL basis: inspection level S4, AQL 1.0.

THERMAL CHARACTERISTICS

SYMBOL PARAMETER VALUE UNIT

R

th j-s

thermal resistance from junction to soldering-point 85 K/W

1998 May 06 2

Philips Semiconductors Product specification

Band-switching diode BA277

GRAPHICAL DATA

10

handbook, halfpage

C

d

(pF)

1

−1

10

110

f =1 MHz; Tj=25°C.

MGL433

V

(V)

R

Fig.2 Diode capacitance as a function of reverse

voltage; typical values.

2.5

handbook, halfpage

r

D

(Ω)

2.0

1.5

1.0

0.5

2

10

0

−1

10

f = 100 MHz; Tj=25°C.

1

IF (mA)

MGL432

10

Fig.3 Diode forward resistance as a function of

forward current; typical values.

1998 May 06 3