DATA SHEET
SEMICONDUCTOR
1N957B~1N992B
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
DEVICE MARKING DIAGRAM
9x
xT
Maximum Ratings (Note 1)
Device Code : 1N9xxT
Tolerance (T) : A = 10%
: B = 5%
Rating
Symbol
Value
Unit
Maximum Steady State Power Dissipation
@ TL ≤75°C, Lead Length = 3/8”
PD
500
mW
: C = 2%
: D = 1%
4.0
mW/°C
°C
Derate Above 75°C
Operating and Storage
Temperature Range
TJ, Tstg
-65 to +200
AXIAL LEAD
DO35
1. Some part number series have lower JEDEC registered ratings.
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
Cathode
Anode
Mechanical Characteristics
Case
Finish
: Double slug type, hermetically sealed glass
: All external surfaces are corrosion resistant and leads are readily solderable.
MARKING DIAGRAM
Polarity : Cathode indicated by polarity band
Mounting: Any
1N
9x
Maximum Lead Temperature for Soldering Purposes
230°C, 1/16” from the case for 10 seconds
xB
YMM
1N9xxB
Y
= Device Code
= Year
MM
= Month
http://www.yeashin.com
1
REV.02 20120403
YEASHIN [ Yea Shin Technology Co., Ltd ]
