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WT431RB Datasheet(PDF) 3 Page - Weitron Technology |
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WT431RB Datasheet(HTML) 3 Page - Weitron Technology |
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3 / 5 page  http://www.weitron.com.tw WEITRON WT431LT1 3/5 03-Nov-06 Cathode Voltage VKA 36 V Cathode Voltage VKA VREF 36 V Cathode Current IKA 1 100 - - mA Reference Input Voltage Vref VKA=VREF, IKA=10mA V - 2.50 - Reference Input Current Iref IKA=10mA, R1=10kΩ A µ 4 1.5 - Minimum Cathode current for Regulation IKA(min) VKA=VREF A m 1.0 0.45 - Off-State Cathode current IKA(OFF) VKA=36V, VREF=0 A µ 1.0 0.05 - Dynamic Impedance ZKA VKA=VREF=0, IKA=1 to 100mA 0.5 0.15 - Ω Deviation of reference Input Voltage Over temperature Δ Vref /ΔT IKA=10mA -2.7 -1.0 -2.0 -0.5 - mV/V Ratio of Change in Reference Input Voltage to the change in Cathode Voltage Δ Vref /ΔVKA VKA=VREF, IKA=10mA TMIN<=TA<=TMAX 17 4.5 - mV Deviation of reference Input Current Over Full temperature range Δ I ref /ΔT IKA=10mA, R1=10kΩ TA=full temperature A µ 1.2 0.4 - PARAMETER ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified) RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS(TA=25˚C unless otherwise specified) CLASSIFICATION OF Vref AND & MARKING SYMBOL VALUE UNIT PARAMETER SYMBOL Min Typ Max UNIT PARAMETER SYMBOL TEST CONDITIONS Min Typ Max UNIT Cathode Current Range(Continuous) IKA -100 ~ +150 mA Reference Input Current Range Iref -0.05 ~ +10 mA Storage Temperature Tstg -65 ~ +150 °C Operating Ambient Temperature Topr 0~70 °C Operating Junction Temperature Tj 150 °C Δ VKA=10V~VREF Δ VKA=36V~10V <= ∞ ∞ WT431RA 0.5% 2.487~2.512 RA WT431RB 1% 2.475~2.525 RB WT431LA 0.5% 2.487~2.512 LA WT431LB 1% 2.475~2.525 LB PARAMETER Rank Range(V) Marking |
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