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Dated : 07/11/2007
FD
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
SMB5342 THRU SMB5388
5 W SURFACE MOUNT SILICON ZENER DIODES
Features
• Zener impedance at low current is small
• High reliability
Mechanical Data
• Case: SMB (DO-214AA) molded plastic
• Epoxy: UL 94V-0 rate flame retardant
• Terminals: Solder plated solderable per MIL-STD-750
method 2025
• Polarity: color band denotes cathode end
• Mounting position: Any
Maximum Ratings and Electrical Characteristics
Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Parameter
Symbol
Value
Unit
Power Dissipation
Ptot
5
1)
W
Thermal Resistance Junction to Ambient
RθJA
20
O
C/W
Maximum Forward Voltage at IF = 1 A
VF
1.2
V
Operating Temperature Range
Tj
- 50 to + 150
O
C
Storage Temperature Range
TS
- 50 to + 175
O
C
1) Thermal resistance from junction to terminal mounted on 5 X 5 mm copper pad area.
Dimensions in millimeters
1.1±0.3
5.2±0.15
0.22±0.07
4.4±0.15
SMB / DO-214AA