RoHS BB910
VHF VARIABLE CAPACITANCE DIODES
F E AT U R E S
Excellent Iinearity Matched to 2.5%
DC28:2.5:ratio:16
Low series resistance
.,LTAPPLICATIONS
Electronic tuning in VHF televsion tunors, band B up to 460 Mhz
CODESCRIPTION
The BB910 is a variable capacitance drode, fabricated
ICin planar technology.
Bb910
SOD-123
0.022 0.0004¡± 0.55 0.1
2.7
+0.2 -0.1
0.108¡±+0.008¡± -0.004¡±
3.3 0.2 0.132¡± +0.008¡± 0.012¡±
0.6 +0.2 -0.1
0.
004¡±
+0.008¡± -0.004¡±
0.3
0 . 0 0 6¡ ± 0 . 1 5 MAX
1.1 +0.2 -0.1
0.044+0.2 ¡± -0.1
0.004¡± 0.1 0.010¡± 0.25 MIN
Dimensions in inches and (millimeters)
NLIMITING VALUES ROContinuous Reverse Voltage
Forward Continuous Current at TA=25OC
TJunction Temperature
Storage Temperature Range
Symbol VR
IF Tj Tstg
Min.
-55 -55
Max. 30 20 +100 +150
Units V
mA OC
O
C
ECELECTRICAL CHARACTERISTICS
LReverse current EDiode serles resistance
Diode capacitance
JCapacitance ratlo
Symbol IR
RD Cd
Cd(0.5v) Cd(28v)
Conditions VR=28V; see Fig.2 VR=28V; Tj=85oC see Fig.2 F=100MHz; note1 VR=0.5V; f=1MHz see Fig.1 and 3 VR=28V; f=1MHz see Fig.1 and 3
F=1MHz
WECapacitance matching
Cd Cd
VR=0.5V to 28V
Min. Typ.
38 2.3 14
Max. 10 200 1
2.7
Units
nA nA
pF pF
2.5 %
NOTE: 1.VR is the value at which Cd=40pF
WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:
[email protected]
RoHS BB910
RATINGS AND CHARACTERISTIC CURVES
FlG1:Diode capacltance as a function of reverse voltage;typical values
50
Cd
D(pF)
40
.,LT30
20
CO10
0
IC10-1
1 10
F=1MHz; Tj=25oC
VR(V)
102
RONFlG2:Reverse current as a function of junction femperature; maximum values T103 CIR E(nA) L102
EJ E10 W0
50 Tj=(oC) 100
FlG3:Temperature coefficlent of diode capacitance as a function of reverse voltage:typical values
10 -3 TCd (K1)
10 -4
10 -5
10 -1
1
10 VR(V) 10 2
Tj=0 to 85 oC
WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:
[email protected]
.