HVM27WK Variable Capacitance Diode for FM tuner ADE-208-060C (Z) Rev. 3 Apl. 1993 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 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 VR 20 V Junction temperature Tj 125 °C Storage temperature Tstg –55 to +125 °C HVM27WK Electrical Characteristics (Ta = 25°C) Item Symbol Min Typ Max Unit Test Condition Reverse voltage VR 20 — — V I R = 10µA Reverse current IR — — 50 nA VR = 15V Capacitance C1 52.0 — 62.0 pF VR = 1V, f = 1MHz C2 43.0 — 48.1 VR = 2V, f = 1MHz C8 24.0 — 28.0 VR = 8V, f = 1MHz n1 1.80 — — n2 1.70 — — — — 0.4 Ω VR = 2V, f = 100MHz — — 3.0 % VR = 1 to 8V Capacitance ratio Series resistance rs Matching error ∆C/C* 1 — C1/C8 C2/C8 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 VR = 1V through 8V. Calculate Matching Error, ∆C/C = (Cmax – Cmin) × 100 (%) Cmin 2. Each group shall uniform a multiple of 4 diodes. 10–6 Reverse current I R (A) 10 10 –8 10 10 10 –7 –9 –10 –11 –12 10 –13 10 0 10 20 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 2 30 HVM27WK 80 f = 1MHz Capacitance C (pF) 60 40 20 0 0.5 1.0 10 Reverse voltage VR (V) 30 Fig.2 Capacitance Vs. Reverse voltage 3 HVM27WK Package Dimensions 0.65 – 0.3 + 0.10 0.4 – 0.05 Mark + 0.1 Unit: mm + 0.10 0.16 – 0.06 2 0.95 1 0.95 1.9 + 0.2 – 0.6 2.8 1 Anode 2 Anode 3 Cathode 1.1 – 0.1 + 0.2 0.3 0.3 2.8 +– 0.1 0 – 0.10 0.1 0.65 +– 0.3 T 5 1.5 3 4 HITACHI Code MPAK(1) JEDEC Code — EIAJ Code SC-59A Weight (g) 0.011 Cautions 1. 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