®
1SMB5913B – 1SMB5956B
3.0W SURFACE MOUNT ZENER DIODE
WON-TOP ELECTRONICS
Pb
Features
Glass Passivated Die Construction
3.0W Power Dissipation
3.3V – 200V Nominal Zener Voltage
5% Standard Vz Tolerance
B
D
F
Low Inductance
A
For Use in Voltage Regulator or Reference
Plastic Case Material has UL Flammability
Classification Rating 94V-0
C
H
G
E
SMB/DO-214AA
Min
Mechanical Data
Dim
A
Max
3.94
4.70
2.11
Case: SMB/DO-214AA, Molded Plastic
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band
3.30
B
4.06
C
1.91
D
0.152
5.08
0.305
5.59
2.44
0.203
1.27
Marking: Device Code
E
Weight: 0.093 grams (approx.)
F
2.13
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 6
G
H
0.051
0.76
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
PD
Value
Unit
Power Dissipation at TL = 75°C (Note 1)
Derate above 75°C
3.0
40
W
mW/°C
Forward Voltage @ IF = 200mA
VF
1.5
V
°C/W
°C
Thermal Resistance, Junction to Ambient (Note 2)
Thermal Resistance, Junction to Lead (Note 1)
RθJA
RθJL
226
25
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150
Note: 1. Mounted on FR-4 PCB with 25.4 x 25.4mm copper pads.
2. Mounted on ceramic substrate with minimum recommended pad layout.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
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