LESHAN RADIO COMPANY, LTD.
Zener Voltage Regulators
500 mW SOD−123 Surface Mount
Three complete series of Zener diodes ...
LESHAN RADIO COMPANY, LTD.
Zener Voltage
Regulators
500 mW SOD−123 Surface Mount
Three complete series of Zener diodes are offered in the convenient, surface mount plastic SOD−123 package. These devices provide a convenient alternative to the leadless 34−package style.
Features
500 mW Rating on FR−4 or FR−5 Board Wide Zener Reverse Voltage Range − 1.8 V to 43 V Package Designed for Optimal Automated Board Assembly Small Package Size for High Density Applications ESD Rating of Class 3 (>16 kV) per Human Body Model Peak Power − 225 W (8 x 20 ms) We declare that the material of product
compliance with RoHS requirements.
LMSZ4678ET1G Series
2 1
SOD−123
1 Cathode
2 Anode
Mechanical Characteristics: CASE: Void-free, transfer-molded, thermosetting plastic case FINISH: Corrosion resistant finish, easily solderable MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260°C for 10 Seconds POLARITY: Cathode indicated by polarity band FLAMMABILITY RATING: UL 94 V−0
MAXIMUM RATINGS
Rating
Symbol Max Unit
Peak Power Dissipation @ 20 ms (Note 1) Ppk 225 W @ TL ≤ 25°C
Total Power Dissipation on FR−5 Board,
(Note 2) @ TL = 75°C Derated above 75°C
PD 500 mW
6.7 mW/°C
Thermal Resistance, (Note 3) Junction−to−Ambient
RqJA
340 °C/W
Thermal Resistance, (Note 3) Junction−to−Lead
RqJL
150 °C/W
Junction and Storage Temperature Range
TJ, Tstg −55 to +150
°C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are in...