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DATA SHEET
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JUNCTION FIELD EFFECT TRANSISTOR
2SK4028
N-CHANNEL SILICON JUNCTION FIELD EFFECT TRANSISTOR FOR IMPEDANCE CONVERTER OF ECM
DESCRIPTION
The 2SK4028 is suitable for converter of ECM.
PACKAGE DRAWING (Unit: mm)
1.2 ±0.1 0.3 –0.05
+0.1
MAX. 0.33
FEATURES
• High gain
1.2 ±0.1
• Low noise −115 dB (VDD = 2.0 V, C = 5 pF, RL = 2.2 kΩ) • Ultra thin thickness package t = 0.3 mm TYP.
0.8 ±0.1
−1.0 dB (VDD = 2.0 V, C = 5 pF, RL = 2.2 kΩ)
3
0 to 0.02
2
1
0.4
0.4
0.13 –0.05
+0.1
ORDERING INFORMATION
PART NUMBER 2SK4028 PACKAGE 3pXSOF03 (0812)
0.2 +0.1 –0
ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
Drain to Source Voltage (VGS = −1.