DISCRETE SEMICONDUCTORS
DATA SH EET
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M3D049
BB134
UHF variable capacitance diode
Product specification
Supersedes data of November 1993
File under Discrete Semiconductors, SC01
1996 May 03
Philips Semiconductors Product specification
UHF variable capacitance diode BB134
FEATURES
• Excellent linearity
• Excellent matching to 0.5% DMA
• Very small plastic SMD package
• C28: 1.9 pF; ratio: 10
• Low series resistance.
APPLICATIONS
handbook, 4 columns
ka
MAM130
• Electronic tuning in UHF television
tuners
Marking code: P4.
Cathode side indicated by a white bar.
• VCO.
Fig.1 Simplified outline (SOD323) and symbol.
DESCRIPTION
The BB134 is a variable capacitance
diode, fabricated in planar
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
technology, and encapsulated in the
SOD323 very small plastic SMD
package.
The excellent matching performance
is achieved by a direct matching
assembly procedure. The unmatched
type, BB135 has the same
SYMBOL PARAMETER MIN. MAX. UNIT
V
R
I
F
T
stg
T
j
continuous reverse voltage
continuous forward current −
storage temperature
operating junction temperature
−
−55
−55
30 V
20 mA
+150 °C
+125 °C
specification.
ELECTRICAL CHARACTERISTICS
T
=25°C; unless otherwise specified.
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
R
r
s
C
d
C
d 0.5V()
--------------------- C
d28V()
reverse current VR= 30 V; see Fig.3 −−
= 30 V; Tj=85°C; see Fig.3 −−
V
R
10
200
diode series resistance f = 470 MHz; note 1 −−0.75 Ω
diode capacitance VR= 0.5 V; f = 1 MHz; see Figs 2 and 4
= 28 V; f = 1 MHz; see Figs 2 and 4 1.7 − 2.1 pF
V
R
17.5
−
21 pF
capacitance ratio f = 1 MHz 8.9 − 12
nA
nA
C
∆
---------C
d
d
capacitance matching V
= 0.5 to 28 V; in a sequence of 4 diodes
R
(gliding)
= 0.5 to 28 V; in a sequence of 15 diodes
V
R
(gliding)
Note
1. V
is the value at which Cd= 9 pF.
R
1996 May 03 2
−−0.5 %
−−2%