Item Specifications and Additional Information:
Voltage Regulator Zener Diodes
Leads: Axial, Readily Solderable
Finish: External Surfaces Corrosion Resistant
Polarity: Cathode indicated by Band
Max. Ratings:
DC Power Dissipation: 500mW
(TL = 75°C, Lead Length = 3/8")
Derated above 75°C: 40mW/°C
Operating & Storage Temperature: -65°C to 200°C
Electrical Characteristics (TA=25°C unless otherwise noted, VF=1.2V max., IF=200mA)
Nominal Zener Voltage: 56V nom. @ 20mA
Max. Zener Impedance: 35 ohms @ 20mA
Max. Zener Knee impedance: 280 ohms @ 1mA
(Test conditions for zener voltage and impedance are as follows: IZ is applied 40 ± 10 ms prior
to reading. Mounting contacts are located 3/8, to 1/2, from the inside edge of mounting clips
to the body of the diode. (TA = 25°C +8, –2°C))
Max. Reverse Leakage Current: 0.5µA @ 42.6V
Max. Surge Current: 2.3A
(Surge current is specified as the maximum allowable peak, non-recurrent square-wave current
with a pulse width, PW, of 8.3 ms)
Max. Voltage Regulation: 0.39V
(VZ measurements are made at 10% and then at 50% of the IZ max value listed in the electrical characteristics table. The test current
time duration for each VZ measurement is 40 ± 10 ms. (TA = 25°C +8, –2°C))
Max. Regulator Current: 86mA
Manufactured by: Motorola
Part number: 1N5370B
Full datasheet: 1N5370B
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