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1SMA5938B Dataheets PDF



Part Number 1SMA5938B
Manufacturers FCI
Logo FCI
Description Surface Mount Zener Diode
Datasheet 1SMA5938B Datasheet1SMA5938B Datasheet (PDF)

1SMA5921B~5945B Data Sheet Description 1.5 WATTS Surface Mount Zener Diode Mechanical Dimensions .055(1.40) .062(1.60) .098(2.50) .114(2.90) .078(2.00) .096(2.44) .030(0.76) .060(1.52) .157(4.00) .181(4.60) .006(.152) .012(.305) .002(.051) .008(.203) .188(4.80) .208(5.28) SMA/DO-214AC Dimensions in inches and (millimeters) Features ¬ For surface mounted applications ¬ 1.5 W power dissipation ¬ Ideally suited for automated assembly processes Mechanical Data ¬ Case: Molded plastic SMA.

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1SMA5921B~5945B Data Sheet Description 1.5 WATTS Surface Mount Zener Diode Mechanical Dimensions .055(1.40) .062(1.60) .098(2.50) .114(2.90) .078(2.00) .096(2.44) .030(0.76) .060(1.52) .157(4.00) .181(4.60) .006(.152) .012(.305) .002(.051) .008(.203) .188(4.80) .208(5.28) SMA/DO-214AC Dimensions in inches and (millimeters) Features ¬ For surface mounted applications ¬ 1.5 W power dissipation ¬ Ideally suited for automated assembly processes Mechanical Data ¬ Case: Molded plastic SMA/DO-214AC ¬ Epoxy: UL 94V-0 rate flame retardant ¬ Terminals: Solderable per MIL-STD-750 method 2026 ¬ Polarity: cathode band ¬ Mounting position: Any ¬ Weight: 0.064 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25oC ambient temperature unless otherwise specified. SYMBOL VALUE UNIT Power Dissipation (Note 1) PD 1.5 W Half sine-wave superimposed on rated load (Note 2) (JEDEC method) IFSM 10 A Operating junction and Storage Temperature Range TJ, TSTG -55 to +150 NOTES : (1) Mounted on 5.0mm2(.013mm thick) land areas. (2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. oC Data Sheet 1.5 WATTS Surface Mount Zener Diode 1SMA5921B THRU SMA5945B Part No. Electrical Characteristic (Ta=25oC) Vz IzT ZZT ZZK IZK IR(uA) Max. ( V ) ( mA ) (Ohm) (Ohm) ( mA ) VR(V) Surge Current ( mA ) 1SMA5921B 6.8 55.1 2.5 200 1.0 2.5 5.2 221 1SMA5922B 7.5 50.0 3.0 400 0.5 2.5 6.0 200 1SMA5923B 8.2 45.7 3.5 400 0.5 2.5 6.5 183 1SMA5924B 9.1 41.2 4.0 500 0.5 2.5 7.0 165 1SMA5925B 10 37.5 4.5 500 0.25 2.5 8.0 150 1SMA5926B 11 34.1 5.5 550 0.25 2.5 8.4 136 1SMA5927B 12 31.2 6.5 550 0.25 0.5 9.1 125 1SMA5928B 13 28.8 7.0 550 0.25 0.5 9.9 115 1SMA5929B 15 25.0 9.0 600 0.25 0.5 11.4 100 1SMA5930B 16 23.4 10 600 0.25 0.5 12.2 94 1SMA5931B 18 20.8 12 650 0.25 0.5 13.7 83 1SMA5932B 20 18.7 14 650 0.25 0.5 15.2 75 1SMA5933B 22 17.0 17.5 650 0.25 0.5 16.7 68 1SMA5934B 24 15.6 19 700 0.25 0.5 18.2 63 1SMA5935B 27 13.9 23 700 0.25 0.5 20.6 56 1SMA5936B 30 12.5 26 750 0.25 0.5 22.8 50 1SMA5937B 33 11.4 33 800 0.25 0.5 25.1 45 1SMA5938B 36 10.4 38 850 0.25 0.5 27.4 42 1SMA5939B 39 9.6 45 900 0.25 0.5 29.7 38 1SMA5940B 43 8.7 53 950 0.25 0.5 32.7 35 1SMA5941B 47 8.0 67 1000 0.25 0.5 35.8 32 1SMA5942B 51 7.3 70 1100 0.25 0.5 38.8 29 1SMA5943B 56 6.7 86 1300 0.25 0.5 42.6 27 1SMA5944B 62 6.0 100 1500 0.25 0.5 47.1 24 1SMA5945B 68 5.5 120 1700 0.25 0.5 51.7 22 Suffix B for 5%, Suffix "A" for 10% FIG 1. STEADY STATE POWERDERATING FIG 2. ZENER VOLTAGE-TO 12 VOLTS PD, MAXIMUM POWER DISSIPATION (WATTS) VZ, TEMPERATURE COEFFICIENT (mV/°C) 5 4 1.5 1.0 0.5 0 0 25 50 75 100 125 150 175 TL,LEADTEMPERATURE(°C) 8 6 VZ@IZT 4 2 0 -2 -4 3 4 5 6 7 8 9 10 11 12 VZ,ZENERVOLTAGE(VOLTS) VZ, TEMPERATURE COEFFICIENT (mV/°C) Data Sheet 1.5 WATTS Surfa.


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