1PMT4108E3/TR7 Microchip

1PMT4614e3 1PMT4627e3, 1PMT4099e3 1PMT4135e3 Powermite Low Noise Compliant 1 Watt Zener Diodes DESCRIPTION This Microsemi Powermite surface mount low noise Zener package series provides a higher power handling capability that are also RoHS compliant. In addition to its size advantages, Powermite package features include a full-metallic bottom that eliminates the possibility of solder flux entrapment during assembly, and a unique locking tab acts as an efficient heat path from die to mounting plane for external heat sinking with very low thermal resistance junction to case (bottom). Its innovative design makes this device ideal for use with automatic insertion equipment. Important: For the latest information, visit our website 1PMT4614e3 1PMT4627e3, 1PMT4099e3 1PMT4135e3 MECHANICAL and PACKAGING CASE: Void-free transfer molded thermosetting epoxy compound meeting UL94V-0. FINISH: Annealed matte-tin plating over copper and readily solderable per MIL-STD-750 method 2026. (Consult factory for tin- lead plating. NOTE: Tin-lead plated product is not RoHS compliant.) POLARITY: Cathode designated by Tab 1 (bottom). TAPE AND REEL option: Standard per EIA-481-B (consult factory for quantities). MARKING: Three numerical digits of P/N and a dot (see electrical characteristics). WEIGHT: Approximately 0.016 grams. See package dimensions on last page. PART NOMENCLATURE 1 PMT 4099 C e3 1 Watt RoHS Compliance Powermite Class Zener Voltage Tolerance Blank = 5% JEDEC type number C = 2% (See Electrical Characteristics table) SYMBOLS & DEFINITIONS Symbol Definition I Reverse Current: The maximum reverse (leakage) current that will flow at the specified voltage and temperature. R I , I , I Regulator Current: The dc regulator current (I ), at a specified test point (I ), near breakdown knee (I ). Z ZT ZK Z ZT ZK I Maximum Regulator (Zener) Current: The maximum rated dc current for the specified power rating. ZM N Noise Density: The noise generated over a specified frequency bandwidth usually specified in terms of mV/ Hz. D V Reverse Voltage: The reverse voltage dc value, no alternating component. R V Zener Voltage: The Zener voltage the device will exhibit at a specified current (I ) in its breakdown region. Z Z Dynamic Impedance: The small signal impedance of the diode when biased to operate in its breakdown region at a Z or Z ZT ZK specified rms current modulation (typically 10% of I or I ) and superimposed on I or I respectively. ZT ZK ZT ZK RF01097, Rev. A (2/21/13) 2013 Microsemi Corporation Page 2 of 5