MMVL409T1 Datasheet, PDF (1/2 Pages) Leshan Radio Company – Silicon Tuning Diode

LESHAN RADIO COMPANY, LTD.
Silicon Tuning Diode
These devices are designed for general frequency control and tuning
applications. They provide solid–state reliability in replacement of mechanical
tuning methods.
• High Q with Guaranteed Minimum Values at VHF Frequencies
• Controlled and Uniform Tuning Ratio
• Surface Mount Package
• Device Marking: X5
1
CATHODE
2
ANODE
MMVL409T1
VOLTAGE VARIABLE
CAPACITANCE DIODE
1
2
PLASTIC, CASE 477
SOD– 323
Device
MMVL409T1
ORDERING INFORMATION
Package
Shipping
SOD–323
3000 / Tape & Reel
MAXIMUM RATINGS
Symbol
Rating
Value
Unit
VR
Continuous Reverse Voltage
IF
Peak Forward Current
THERMAL CHARACTERISTICS
20
Vdc
200
mAdc
Symbol
Characteristic
Max
Unit
PD
Total Device Dissipation FR–5 Board,*
200
mW
TA = 25°C
Derate above 25°C
1.57
mW/°C
RθJA
Thermal Resistance Junction to Ambient
635
°C/W
TJ, Tstg
Junction and Storage Temperature
150
°C
*FR–4 Minimum Pad
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Reverse BreakdownVoltage
V(BR)R
20
—
(IR = 10 µAdc)
Reverse Voltage Leakage Current
IR
—
—
(VR = 15 Vdc)
Diode Capacitance Temperature Coefficient
TCC
—
300
(VR = 3.0 Vdc, f = 1.0 MHz)
Max
—
Unit
Vdc
0.1
µAdc
—
ppm/°C
Ct, Diode Capacitance
Q, Figure of Merit
VR = 3.0 Vdc, f = 1.0 MHz
VR = 3.0 Vdc
pF
f = 50 MHz
Device
Min
Nom
Max
Min
MMVL409T1
26
29
32
200
1. CR is the ratio of Ct measured at 3 Vdc divided by Ct measured at 8 Vdc.
CR, Capacitance Ratio
C3/C8
f = 1.0 MHz(1)
Min
Max
1.5
1.9
MMVL409T1–1/2