®
ZMM5221B – ZMM5266B
500mW SURFACE MOUNT ZENER DIODE
WON-TOP ELECTRONICS
Pb
Features
Planar Die Construction
500mW Power Dissipation
2.4V – 68V Nominal Zener Voltage
5% Standard Vz Tolerance
Ideally Suited for Automated Assembly
For Use in Voltage Stabilizer or Reference
A
B
C
Mechanical Data
MiniMELF
Case: MiniMELF, Molded Glass
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.03 grams
Marking: Cathode Band Only
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
Dim
A
Min
3.30
1.30
0.28
Max
3.70
1.60
0.50
B
C
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Pulse Power Dissipation at TA = 25°C (Note 1)
Forward Voltage @ IF = 200mA
PD
VF
500
1.1
mW
V
Thermal Resistance Junction to Ambient (Note 1)
Operating and Storage Temperature Range
RθJA
TJ, TSTG
0.3
°C/mW
°C
-55 to +175
Note: 1. Mounted on ceramic substrate with minimum recommended pad layout.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
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