Datasheet ON Semiconductor 1N5257B

Zener Diodes
1N5221B -1N5252B
ABSOLUTE MAXIMUM RATINGS (Note 1)
Values are at TA = 25°C unless otherwise noted.
Parameter Value Unit Power Dissipation 500 mW Derate above 50°C 4.0 mW/°C Storage Temperature Range −65 to +200 °C Operating Junction Temperature Range −65 to +200 °C Lead Temperature (1/16 inch from case
for 10s +230 °C Symbol
PD
TSTG
TJ www.onsemi.com Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
1. These ratings are limiting values above which the serviceability of any
semiconductor device may be impaired.
Non−recurrent square wave Pulse Width = 8.3 ms, TA = 50°C. AXIAL LEAD
CASE 017AG MARKING DIAGRAM
$Y
22
1B
$Y
221B = Logo
= Specific Device Code ORDERING INFORMATION
See detailed ordering and shipping information on page 3 of
this data sheet. © Semiconductor Components Industries, LLC, 2018 April, 2021 − Rev. 4 1 Publication Order Number: …