LESHAN RADIO COMPANY, LTD.
S19–1/2
Band-switching diode
SOD523 SC-79
1
2
BA 277
2
ANODE
1
CATHODE
FEATURES
· Small plastic SMD package
· Continuous reverse voltage: max. 35 V
· Continuous forward current: max. 100 mA
· Low diode capacitance: max. 1.2 pF
· Low diode forward resistance: max. 0.7 Ω.
APPLICATIONS
· 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.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
R
continuous reverse voltage – 35 V
I F continuous forward current – 100 mA
P
tot
total power dissipation Ts =90°C – 715 mW
T stg storage temperature -65 +150 °C
T
j
junction temperature -65 +150 °C
ELECTRICAL CHARACTERISTICS T j = 25°C unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MAX. UNIT
V F forward voltage I F =10 mA 1 V
I
R
reverse current V
R
= 25 V 50 nA
V R = 20 V; T amb =75°C 1 µA
C
d
diode capacitance f = 1 MHz; V
R
= 6 V; note 1; see Fig.1 1.2 pF
r D diode forward resistance I F = 2 mA; f = 100 MHz; note 1; see Fig.2 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