BB158 Datasheet, PDF (2/4 Pages) NXP Semiconductors – VHF variable capacitance diode

Philips Semiconductors
VHF variable capacitance diode
Product specification
BB158
FEATURES
• Excellent linearity
• Very small plastic SMD package
• C28: 2.6 pF; ratio: 15
• Low series resistance.
APPLICATIONS
• Electronic tuning in VHF television
tuners, band B up to 460 MHz
• VCO.
handbook, 4 columns
k
a
MAM130
Marking code: PH.
Cathode side indicated by a bar.
Fig.1 Simplified outline (SOD323) and symbol.
DESCRIPTION
The BB158 is variable capacitance
diode, fabricated in planar
technology, and encapsulated in the
SOD323 very small plastic SMD
package.
The matched type, BB148 has the
same specification.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
V_R
continuous reverse voltage
I_F
continuous forward current
T_stg
storage temperature
T_j
operating junction temperature
MIN.
−
−
−55
−55
MAX.
30
20
+150
+125
UNIT
V
mA
°C
°C
ELECTRICAL CHARACTERISTICS
T_j = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
I_R
reverse current
r_s
diode series resistance
C_d
diode capacitance
C--C---_d^-d---₍^-(-₂^-1-₈^--V-_V^--)-₎^-
capacitance ratio
CONDITIONS
V_R = 30 V; see Fig.3
V_R = 30 V; T_j = 85 °C; see Fig.3
f = 100 MHz; note 1
V_R = 1 V; f = 1 MHz; see Figs 2 and 4
V_R = 28 V; f = 1 MHz; see Figs 2 and 4
f = 1 MHz
Note
1. V_R is the value at which C_d = 12 pF.
MIN. TYP. MAX. UNIT
−
−
10 nA
−
−
200 nA
−
−
0.9 Ω
36.8 −
41.8 pF
2.4 −
2.75 pF
14.5 −
−
1999 Jun 10
2