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DL4728A Datasheet, PDF (1/3 Pages) Rectron Semiconductor – Surface Mount M.E.L.F ZENER DIODE
Z ibo Seno Electronic Engineering Co., Ltd.
Features
· 1.0 Watt Power Dissipation
· 3.3V - 100V Nominal Zener Voltage
· Standard VZ Tolerance is 5%
· Lead Free Finish, RoHS Compliant
DL4728A - DL4764A
1.0W ZENER DIODE
LL-41 / MELF
Mechanical Data
· Case: LL-41 / MELF
· Case Material: Glass. UL Flammability Classification Rating
94V-0
· Moisture Sensitivity: Level 1 per J-STD-020C
· Terminals: Finish ¾ Sn96.5Ag3.5. Solderable per
MIL-STD-202, Method 208
· Polarity: Cathode Band
· Marking: Type Number
· Weight: 0.25 grams (approximate)
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Zener Current (see Table page 2)
Power Dissipation
Derate Above 50°C
Thermal Resistance - Junction to Ambient Air
Forward Voltage @ IF = 200 mA
Operating and Storage Temperature Range
(Note 1)
Symbol
IZ
Pd
RqJA
VF
Tj, TSTG
Value
Pd / VZ
1.0
6.67
170
1.2
-65 to + 175
Unit
mA
W
mW/°C
°C/W
V
°C
Note:
1. Valid provided that leads are kept at TL @ 50°C with lead length = 9.5mm (3/8”) from case.
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.
DL4728A - DL4764A
1 of 3
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