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1N5221B Datasheet, PDF (1/2 Pages) Vishay Siliconix – Silicon Z-Diodes
Z ibo Seno Electronic Engineering Co., Ltd.
Features
· 500mW Power Dissipation
· High Stability
· Surface Mount Equivalents Available
· Hermetic Package
· VZ - Tolerance ±5%
· Lead Free Finish, RoHS Compliant (Note 2)
1N5221B - 1N5267B
500mW EPITAXIAL ZENER DIODE
A
B
A
C
D
Mechanical Data
· Case: DO-35
· Case Material: Glass
· Moisture Sensitivity: Level 1 per J-STD-020C
· 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
¾
B
¾
4.00
C
¾
0.60
D
¾
2.00
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
Characteristic
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Forward Voltage
@ IF = 200mA
Operating and Storage Temperature Range
Symbol
Pd
RqJA
VF
Tj, TSTG
Value
500
300
1.1
-65 to +200
Unit
mW
°C/W
V
°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. EC Directive 2002/95/EC (RoHS) revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied where applicable,
see EU Directive Annex Notes 5 and 7.
1N5221B - 1N5267B
1 of 2
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