Silicon Tuning Diode
LESHAN RADIO COMPANY, LTD.
MMVL3102T1
This device is designed in the Surface Mount package for general
frequency control and tuning applications. It provides solid–state reliability
in replacement of mechanical tuning methods.
• High Q with Guaranteed Minimum V alues at VHF Frequencies
• Controlled and Uniform Tuning Ratio
• Device Marking: 4C
1
CA THODE
ORDERING INFORMA TION
Device Package Shipping
MMVL3102T1 SOD–323 3000 / Tape & Reel
MAXIMUM RA TINGS
Symbol Rating Value Unit
V
R
I
F
Continuous Reverse Voltage 30 Vdc
Peak Forward Current 200 mAdc
THERMAL CHARACTERISTICS
Symbol Characteristic Max Unit
P
D
R
θJA
TJ, T
*FR–4 Minimum Pad
ELECTRICAL CHARACTERISTICS (T
Characteristic Symbol Min Typ Max Unit
Reverse BreakdownVoltage V
(IR = 10 µAdc)
Reverse Voltage Leakage Current I
(V
= 25 Vdc, TA = 25°C)
R
Total Device Dissipation FR–5 Board,* 200 mW
TA = 25°C
Derate above 25°C 1.57 mW/°C
Thermal Resistance Junction to Ambient 635 °C/W
stg
Junction and Storage Temperature 150 °C
= 25°C unless otherwise noted)
A
Diode Capacitance Temperature Coefficient TC
(VR = 4.0 Vdc, f = 1.0 MHz)
2
ANODE
(BR)R
R
C
30 — — Vdc
— — 0.1 µAdc
— 300 — ppm/°C
22 pF (Nominal) 30 VOLT S
VOLTAGE VARIABLE
CAPACIT ANCE DIODE
1
2
PLASTIC, CASE 477
SOD– 323
Ct, Diode Capacitance Q, Figure of Merit CR, Capacitance Ratio
VR = 3.0 Vdc, f = 1.0 MHz VR = 3.0 Vdc C3/C
pF f = 50 MHz f = 1.0 MHz
Device Mi n No m Max Mi n Mi n Max
MMVL3102T1 20 22 25 200 4.5 4.8
25
MMVL3102T1–1/2
LESHAN RADIO COMPANY, LTD.
TYPICAL CHARACTERISTICS
MMVL3102T1
40
36
32
28
24
20
16
12
, DIODE CAPACITANCE (pF)
T
C
8.0
4.0
0
0.3 1.0 10 20 30
f = 1.0 MHz
T
= 25°C
A
0.5 2.0 3.0 5.0
, REVERSE VOLTAGE (VOLTS)
V
R
Figure 1. Diode Capacitance Figure 2. Figure of Merit
100
10
VR = 20 Vdc
1.0
0.1
, REVERSE CURRENT (nA)
R
I
0.01
0.001
-60
0 +100
T
, AMBIENT TEMPERATURE (°C)
A
Q, FIGURE OF MERIT (x 1000)
, DIODE CAPACITANCE (NORMALIZED)
C
+140+60+20-20
20
T
= 25°C
A
f = 50 MHz
10
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0
3.0 186.0 219.0 2412 27
VR, REVERSE VOLTAGE (VOLTS)
1.04
1.03
1.02
1.01
1.00
0.99
0.98
T
0.97
0.96
VR = 3.0 Vdc
f = 1.0 MHz
-75
-25 +25 +75 +125
-50 0 +50 +100
T
, AMBIENT TEMPERATURE (°C)
A
15 30
Figure 3. Leakage Current
NOTES ON TESTING AND SPECIFICATIONS
1. CR is the ratio of CT measured at 3.0 Vdc divided by CT measured at 25 Vdc.
Figure 4. Diode Capacitance
MMVL3102T1–2/2