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SMPZ3940B Datasheet(PDF) 2 Page - Vishay Siliconix |
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SMPZ3940B Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 5 page SMPZ39XB thru SMPZ3940B www.vishay.com Vishay General Semiconductor Revision: 29-May-12 2 Document Number: 88482 For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Notes (1) Mounted on PCB with 5.0 mm x 5.0 mm copper pad areas attached to each terminal (2) Mounted on minimum recommended pad layout ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER VZ Reverse Zener voltage at IZT IZT Reverse current ZZT Maximum Zener impedance at IZT IZK Reverse current ZZK Maximum Zener impedance at IZK IR Reverse leakage current at VR VR Reverse voltage IF Forward current VF Forward voltage at IF IZM Maximum DC Zener current Zener Voltage Regulator V IF VZ VR IR IZT VF ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted) PART NUMBER DEVICE MARKING CODE ZENER VOLTAGE RANGE TEST CURRENT MAXIMUM ZENER IMPEDANCE MAXIMUM REVERSE LEAKAGE CURRENT MAXIMUM ZENER CURRENT VZ at IZT IZT IZK ZZT AT IZT ZZK AT IZK IR AT VR IZM VmA μA V mA MIN. NOM. MAX. MAX. MAX. MAX. MAX. SMPZ3919B 19B 5.32 5.6 5.88 66.9 1.0 5.0 700 200 3.0 268 SMPZ3920B 20B 5.89 6.2 6.51 60.5 1.0 2.0 700 200 4.0 242 SMPZ3921B 21B 6.46 6.8 7.14 55.1 1.0 2.5 400 200 5.2 221 SMPZ3922B 22B 7.12 7.5 7.88 50.0 0.5 3.0 400 150 6.0 200 SMPZ3923B 23B 7.79 8.2 8.61 45.7 0.5 3.5 400 50 6.5 183 SMPZ3924B 24B 8.64 9.1 9.56 41.2 0.5 4.0 500 10 7.0 165 SMPZ3925B 25B 9.5 10 10.5 37.5 0.25 4.5 500 2.5 8.0 150 SMPZ3926B 26B 10.5 11 11.6 34.1 0.25 5.5 550 0.5 8.4 136 SMPZ3927B 27B 11.4 12 12.6 31.2 0.25 6.5 550 0.5 9.1 125 SMPZ3928B 28B 12.4 13 13.7 28.8 0.25 7.0 550 0.5 9.9 115 SMPZ3929B 29B 14.3 15 15.8 25 0.25 9.0 600 0.5 11.4 100 SMPZ3930B 30B 15.2 16 16.8 23.4 0.25 10.0 600 0.5 12.2 94 SMPZ3931B 31B 17.1 18 18.9 20.8 0.25 12.0 650 0.5 13.7 83 SMPZ3932B 32B 19.0 20 21 18.7 0.25 14.0 650 0.5 15.2 75 SMPZ3933B 33B 20.9 22 23.1 17.0 0.25 17.5 650 0.5 16.7 68 SMPZ3934B 34B 22.8 24 25.2 15.6 0.25 19.0 700 0.5 18.2 63 SMPZ3935B 35B 25.7 27 28.4 13.9 0.25 23.0 700 0.5 20.6 56 SMPZ3936B 36B 28.5 30 31.5 12.5 0.25 26.0 750 0.5 22.8 50 SMPZ3937B 37B 31.4 33 34.7 11.4 0.25 33.0 800 0.5 25.1 45 SMPZ3938B 38B 34.2 36 37.8 10.4 0.25 38.0 850 0.5 27.4 42 SMPZ3939B 39B 37.1 39 41 9.6 0.25 45.0 900 0.5 29.7 38 SMPZ3940B 40B 40.9 43 45.2 8.7 0.25 53.0 950 0.5 32.7 35 THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted) PARAMETER SYMBOL LIMIT UNIT Typical thermal resistance, junction to lead (1) RJL 50 °C/W Typical thermal resistance, junction to ambient (2) RJA 250 °C/W |
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