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MA28 Dataheets PDF



Part Number MA28
Manufacturers Panasonic
Logo Panasonic
Description Silicon epitaxial planar type variable resistor
Datasheet MA28 DatasheetMA28 Datasheet (PDF)

Varistors MA3X028 Series + 0.2 Silicon epitaxial planar type variable resistor 2.8 − 0.3 Unit : mm 0.65 ± 0.15 For temperature and reduced voltage compensation I Features • Mini type package • Extremely small reverse current IR • High reliability with planar structure • Wide forward voltage VF range 0.65 ± 0.15 1.5 − 0.05 + 0.25 0.95 2.9 − 0.05 1.9 ± 0.2 + 0.2 1 3 2 0.95 1.45 1.1 − 0.1 Parameter Reverse voltage (DC) MA3X0280A/B Forward current (DC) MA3X028WA/WB MA3X028TA/TB Powe.

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Varistors MA3X028 Series + 0.2 Silicon epitaxial planar type variable resistor 2.8 − 0.3 Unit : mm 0.65 ± 0.15 For temperature and reduced voltage compensation I Features • Mini type package • Extremely small reverse current IR • High reliability with planar structure • Wide forward voltage VF range 0.65 ± 0.15 1.5 − 0.05 + 0.25 0.95 2.9 − 0.05 1.9 ± 0.2 + 0.2 1 3 2 0.95 1.45 1.1 − 0.1 Parameter Reverse voltage (DC) MA3X0280A/B Forward current (DC) MA3X028WA/WB MA3X028TA/TB Power dissipation Junction temperature Storage temperature Symbol VR IFM Rating 6 150 100 70 Unit V mA 1 Anode 2 NC JEDEC TO-236 3 Cathode EIAJ SC-59A Mini Type Package (3-pin) PD Tj Tstg 150 125 −55 to +125 mW °C °C Marking Symbol • MA3X0280A • MA3X0280B • MA3X028WA • MA3X028WB • MA3X028TA • MA3X028TB : MD : ME : MF : MK : ML : MM I Electrical Characteristics Ta = 25°C Parameter Reverse current (DC) Forward voltage MA3X028WA/WB (DC) MA3X028TA VF2 IF = 1.5 mA IF = 3 mA Symbol IR VF1 VR = 6 V IF = 10 µA 0.77 1.15 0.56 0.59 1.18 1.26 1.76 1.88 −∆VF/∆T IF = 3 mA 2.0 4.6 6.5 0.61 0.64 1.28 1.36 1.92 2.04 mV/°C V Conditions Min Typ Max 1.0 Unit µA V Forward voltage MA3X0280A (DC) MA3X0280B MA3X028WA MA3X028WB MA3X028TA MA3X028TB Temperature coefficient of forward voltage MA3X0280A/B MA3X028WA MA3X028TA Note) Rated input/output frequency: 100 MHz 0 to 0.1 0.1 to 0.3 0.4 ± 0.2 0.8 I Absolute Maximum Ratings Ta = 25°C 0.16 − 0.06 + 0.2 + 0.1 0.4 − 0.05 + 0.1 1 MA3X028 Series Characteristics charts of MA3X028 102 Varistors IF  V F Ta = 25°C 0.8 VF  Ta IF = 1.5 mA Forward current IF (mA) Forward voltage VF (V) 10 0.6 MA3X0280B MA3X0280A 1 0.4 10−1 MA3X0280A MA3X0280B 0.2 10−2 0 0.2 0.4 0.6 0.8 1.0 0 −40 0 40 80 120 Forward voltage VF (V) Ambient temperature Ta (°C) Characteristics charts of MA3X028W IF  VF 102 MA3X028WA 2.0 IF = 3 mA VF  Ta Forward current IF (mA) Forward voltage VF (V) 10 1.5 MA3X028WB MA3X028WA 1 MA3X028WB 1.0 10−1 0.5 10−2 0 0.4 0.8 1.2 1.6 2.0 0 −40 0 40 80 120 Forward voltage VF (V) Ambient temperature Ta (°C) Characteristics charts of MA3X028T IF  VF 160 Ta = 25°C 140 VF  Ta 2.8 IF = 3 mA 2.4 Forward current IF (mA) Forward voltage VF (V) 120 100 80 60 40 20 0 MA3X028TB MA3X028TA 2.0 MA3X028TB 1.6 MA3X028TA 1.2 0.8 0.4 0 −40 0 0.5 1.0 1.5 2.0 2.5 3.0 0 40 80 120 160 Forward voltage VF (V) Ambient temperature Ta (°C) 2 .


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