Certificate : TH97/10561QM Z1150AM & Z1180AM Certificate : TW00/17276EM SILICON ZENER DIODES M1A VZ : 150 & 180 Volts PD : 1.0 Watts FEATURES : * * * * * 1.00 (25.4) MIN. 0.085(2.16) 0.075(1.91) Glass passivated chip High peak reverse power dissipation High reliability Low leakage current Pb / RoHS Free 0.138(3.51) 0.122(3.10) 1.00 (25.4) MIN. 0.024(0.60) 0.022(0.55) MECHANICAL DATA : * Case : M1A Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.20 gram (approximately) Dimensions in inches and ( millimeters ) MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified. Rating Symbol Value Unit DC Power Dissipation at TL = 75 °C (1) PD 1.0 W Maximum Forward Voltage at I F = 200 mA VF 1.2 V Junction Temperature Range TJ - 55 to + 175 °C Storage Temperature Range TSTG - 55 to + 175 °C ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. Type. Nominal Zener Test Maximum Zener Maximum Reverse Maximum DC Voltage (2) VZ @ IZT Current Impedance Leakage Current Zener Current IR @ VR IZM IZT ZZT @ IZT ZZK @ IZK IZK (V) (mA) (Ω) (Ω) (mA) (μA) (V) (mA) Z1150AM 150 1.7 1000 6000 0.25 5.0 114.0 6.4 Z1180AM 180 1.4 1200 7000 0.25 5.0 136.8 5.2 Notes : (1) TL = Lead temperature at 3/8 " (9.5mm) from body. (2) The type number listed have a standard tolerance on the nominal zener voltage of ± 5%. Page 1 of 1 Rev. 00 : March 13, 2007