HIT HVM27WK Datasheet
HVM27WK
Variable Capacitance Diode for FM tuner
ADE-208-060C (Z)
Features
• High capacitance ratio to wide tuning band width. (C1/C8 = 1.8min)
• Low series resistance.
• MPAK package is suitable for high density surface mounting and high speed assembly.
Ordering Information
Type No. Laser Mark Package Code
HVM27WK T5 MPAK
Rev. 3
Apl. 1993
Pin Arrangement
3
2
(Top View)
1
1 Anode
2 Anode
3 Cathode
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Value Unit
Reverse voltage V
Junction temperature Tj 125 °C
Storage temperature Tstg –55 to +125 °C
R
20 V
HVM27WK
Electrical Characteristics (Ta = 25°C)
Item Symbol Min Typ Max Unit Test Condition
Reverse voltage V
Reverse current I
Capacitance C
Capacitance ratio n
Series resistance r
R
R
1
C
2
C
8
1
n
2
s
Matching error ∆C/C*1— — 3.0 % VR = 1 to 8V
Notes: 1. A set of HVM27WK is of uniform C-V characteristics.
Measure max. value and min. value of capacitance at each bias point of V
Calculate Matching Error,
2. Each group shall uniform a multiple of 4 diodes.
20 — — V IR = 10µA
——50nAV
= 15V
R
52.0 — 62.0 pF VR = 1V, f = 1MHz
43.0 — 48.1 VR = 2V, f = 1MHz
24.0 — 28.0 VR = 8V, f = 1MHz
1.80 — — — C1/C
1.70 — — C2/C
8
8
— — 0.4 Ω VR = 2V, f = 100MHz
R
∆C/C = × 100 (%)
(Cmax – Cmin)
Cmin
= 1V through 8V.
–6
10
–7
10
–8
10
R
–9
10
–10
10
–11
Reverse current I (A)
10
–12
10
–13
10
0102030
Reverse voltage V (V)
R
Fig.1 Reverse current Vs. Reverse voltage
2
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