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ADE-208-088B(Z)
HVM25 Variable Capacitance Diode for FM tuner
Preliminary Rev. 2 May. 1993 Features
* * * * Good linearity of C-V curve. To be usable at low voltage. High figure of merit. (Q=60 min) MPAK package is suitable for high density surface mounting and high speed assembly.
2
Pin Arrangement
3
1
Ordering Information
Type No. HVM25 Laser Mark T8 Package Code MPAK
(Top View)
1 Anode 2 Anode 3 Cathode
Absolute Maximum Ratings (Ta = 25C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 16 125 -55 to +125 Unit V C C
Electrical Characteristics (Ta = 25C)
Item Reverse voltage Reverse current Capacitance Capacitance ratio Figure of merit Matching error Symbol VR IR C3 C8 n Q C/C* Min 16 -- 36.0 12.0 2.5 60 -- Typ -- -- -- -- -- -- -- Max -- 50 45.0 17.0 -- -- 3.0 Unit V nA pF -- -- % Test Condition IR = 10 A VR = 10 V VR = 3 V , f = 1 MHz VR = 8 V , f = 1 MHz C3 / C8 VR = 3 V , f = 100 MHz VR = 3~8V
* A set of HVM25 is of uniform C-V characteristics. Measure max. value and min. value of capacitance at each bias point of VR=3V through 8V. Calculate Matching Error, (Cmax-Cmin) C/C= x 100 (%) Cmin ** Each group shall uniform a multiple of 3 diodes.
HVM25
10
-8
10
2
f=1MHz
Reverse current I R (A)
10
-10
Capacitance C (pF)
10
-9
10
10
-11
10
-12
0
4
12 16 8 Reverse voltage VR (V)
20
1.0 1.0
10 Reverse voltage VR (V) Fig.2 Capacitance Vs. Reverse voltage
40
Fig.1 Reverse current Vs. Reverse voltage
Package Dimensions
0.65 - 0.3
+ 0.1
Unit: mm
Laser Mark
0.4 - 0.05
+ 0.10
0.16 - 0.06
+ 0.10
3
+ 0.2 - 0.6
0.1 0.65 + 0.3 -
2 0.95
1 0.95
2.8
T8
1.9
0.3 2.8 + 0.1 -
1.5
0 - 0.10
1 Anode 2 Anode 3 Cathode
0.3
1.1 - 0.1
+ 0.2
HITACHI Code MPAK(1) JEDEC Code EIAJ Code Weight (g) -- SC-59A 0.011

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