Document
Jingdao Microelectronics
MM1W3V3 THRU MM1W330
Silicon Planar Zener Diodes
FEATURES • Total power dissipation: Max. 1 W. • Wide zener reverse voltage range 3.3V to 330V. • Small plastic package suitable for surface mounted design.
PINNING PIN DESCRIPTION
1 Cathode 2 Anode
MECHANICAL DATA ▪ Case: SOD-123 • Terminals: Solderable per MIL-STD-750, Method 2026
2
1 Simplified outline SOD-123 and symbol
Absolute Maximum Ratings And Characteristics (Ta = 25 °C)
Parameter Power Dissipation at TL=75°C Forward Voltage at IF = 200 mA Typical thermal resistance juncting to ambient (1) Operating and Storage Temperature Range
Symbol PD VF RθJA
Tj, Tstg
Value 1 1.2
300 -55 ~ +150
(1) Thermal resistance from junction to ambient at P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper areas pads.
Unit W V
°C/W °C
Power Dissipation (W) Transient Thermal Impedance(°C/W)
Fig.1 Maximum Continuous Power Derating
1.2 1.0 0.8 0.6 0.4 0.2 0.0
25 .