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1N957B Datasheet, PDF (1/9 Pages) Vishay Siliconix – Silicon Z-Diodes
SEMICONDUCTOR
DATA SHEET
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Maximum Ratings (Note 1)
Rating
Symbol
Maximum Steady State Power Dissipation
PD
@ TL ≤75°C, Lead Length = 3/8”
Derate Above 75°C
Operating and Storage
Temperature Range
TJ, Tstg
1. Some part number series have lower JEDEC registered ratings.
Value
500
4.0
-65 to +200
Unit
mW
mW/°C
°C
Specification Features
• Zener Voltage Range = 6.8 V to 200 V
• ESD Rating of Class 3 (>16 KV) per Human Body Model
• DO-35 Package (DO-204AH)
• Double Slug Type Construction
• Metallurgical Bonding
Mechanical Characteristics
Case : Double slug type, hermetically sealed glass
Finish : All external surfaces are corrosion resistant and leads are readily solderable.
Polarity : Cathode indicated by polarity band
Mounting: Any
Maximum Lead Temperature for Soldering Purposes
230°C, 1/16” from the case for 10 seconds
1N957B~1N992B
DEVICE MARKING DIAGRAM
9x
xT
Device Code : 1N9xxT
Tolerance (T) : A = 10%
: B = 5%
: C = 2%
: D = 1%
AXIAL LEAD
DO35
Cathode
Anode
MARKING DIAGRAM
1N
9x
xB
YMM
1N9xxB
Y
MM
= Device Code
= Year
= Month
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1
REV.02 20120403