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1N5255 数据手册 - Motorola（摩托罗拉）
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1N5255数据手册
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DS18006 Rev. 17 - 3
1 of 3
www.diodes.com
1N5221B - 1N5267B
© Diodes Incorporated
NOT RECOMMENDED FOR
NEW DESIGN, USE
MMSZ52xxB
1N5221B - 1N5267B
500mW EPITAXIAL ZENER DIODE
Features
• 500mW Power Dissipation
• High Stability
• Surface Mount Equivalents Available
• Hermetic Package
• V
Z
- Tolerance ±5%
• Lead Free Finish, RoHS Compliant (Note 2)
Mechanical Data
• Case: DO-35
• Case Material: Glass
• Moisture Sensitivity: Level 1 per J-STD-020
• Leads: Solderable per MIL-STD-202, Method 208
• Terminals: Finish - Sn96.5Ag3.5. Solderable per
MIL-STD-202, Method 208
• Polarity: Cathode Band
• Marking: Type Number
• Weight: 0.13 grams (approximate)
DO-35
Dim Min Max
A 25.40
⎯
B
⎯
4.00
C
⎯
0.60
D
⎯
2.00
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @T
A
= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Power Dissipation (Note 1)
P
D
500 mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
θ
JA
300
°C/W
Forward Voltage @ I
F
= 200mA V
F
1.1 V
Operating and Storage Temperature Range
T
J,
T
STG
-65 to +200
°C
Notes: 1. Valid provided that leads are kept at TL ≤75°C with lead length = 9.5mm (3/8”) from case; derate above 75°C.
2. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
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