LESHAN RADIO COMPANY, LTD.
BB182B–1/2
VHF variable capacitance diode
SOD523 SC-79
1
2
BB 182B
2
ANODE
1
CATHODE
FEATURES
· High linearity
· Excellent matching to 2% DMA
· Ultra small plastic SMD package
· C25: 2.8 pF; ratio: 17
· Low series resistance.
APPLICATIONS
· Electronic tuning in VHF television tuners, band A up to 160 MHz
· Voltage controlled oscillators (VCO).
DESCRIPTION
The BB182B is a planar technology variable capacitance diode, in a SOD523 (SC-79)
package. The excellent matching performance is achieved by gliding matching and a
direct matching assembly procedure.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
R
continuous reverse voltage – 34 V
V RM peak reverse voltage in series with a 10 kΩ resistor – 35 V
I
F
continuous forward current – 20 mA
T stg storage temperature –55 +150 °C
T
j
operating junction temperature –55 +125 °C
ELECTRICAL CHARACTERISTICS T
j
=25°C unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. MAX. TYP. UNIT
I
R
reverse current V
R
= 32 V; see Fig.2 – – 10 nA
V R = 32 V; T j =85°C; see Fig.2 – – 200 nA
r
s
diode series resistance f = 470 MHz; V
R
= 5V – – 1.1 Ω
C d diode capacitance V R = 2 V; f = 1 MHz; see Figs 1and 3 47 – 53 pF
V
R
= 25 V; f = 1 MHz; see Figs 1and 3 2.65 – 3 pF
C d(2V)
capacitance ratio f = 1 MHz 17 – –
C
d(25V)
∆C
d
capacitance matching
V R = 2 to 25 V; in a sequence of 15
––2%
C
d
diodes(gliding)
MARKING CODE:Y
Y
1
2