DATA SHEET
SEMICONDUCTOR
1N5221B~1N5281B
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Maximum Ratings (Note 1)
Rating
Symbol
Value
Unit
Maximum Steady State Power Dissipation
PD
500
mW
@ TL ≤75°C, Lead Length = 3/8”
AXIAL LEAD
DO35
4.0
mW/°C
°C
Derate Above 75°C
Operating and Storage
Temperature Range
TJ, Tstg
-65 to +200
1. Some part number series have lower JEDEC registered ratings.
Specification Features
• Zener Voltage Range = 2.4 V to 200 V
• ESD Rating of Class 3 (>16 KV) per Human Body Model
• DO-35 Package (DO-204AH)
Cathode
Anode
• Double Slug Type Construction
• Metallurgical Bonding
Mechanical Characteristics
MARKING DIAGRAM
Case
Finish
: Double slug type, hermetically sealed glass
: All external surfaces are corrosion resistant and leads are readily solderable.
1N
52
xxB
Polarity : Cathode indicated by polarity band
Mounting: Any
Maximum Lead Temperature for Soldering Purposes
230°C, 1/16” from the case for 10 seconds
1N52xxB
= Device Code
http://www.yeashin.com
1
REV.03 20121003
YEASHIN [ Yea Shin Technology Co., Ltd ]
