Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain NXP or Philips Semiconductors references, use the references to Nexperia, as shown below. Instead of PZUxDB2 series Dual Zener diodes Rev. 01 31 March 2008 Product data sheet 1. Product prole 1.1 General description Dual isolated general-purpose Zener diodes in SOT353 (SC-88A) very small Surface-Mounted Device (SMD) standard plastic and dark-green plastic packages. 1.2 Features n Non-repetitive peak reverse power n Dual isolated diodes conguration dissipation: P =40W ZSM n Total power dissipation: P 250 mW n Small standard plastic package suitable tot for surface-mounted design n Tolerance series: n Small dark-green, halogen-free plastic B2: approximately 2% package suitable for surface-mounted design n Wide working voltage range: n AEC-Q101 qualied nominal 2.7 V to 24 V 1.3 Applications n General regulation functions 1.4 Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit Per diode 1 V forward voltage I = 100 mA - - 1.1 V F F 2 P non-repetitive peak reverse --40 W ZSM power dissipation 1 Pulse test: t 300 s 0.02. p 2 t = 100 s square wave T =25 C prior to surge p j