DISCRETE SEMICONDUCTORS DATA SHEET PMMT491A NPN BISS transistor Product data sheet Supersedes data of 2001 Jun 11 2004 Jan 13
NXP Semiconductors Product data sheet NPN BISS transistor PMMT491A FEATURES PINNING • High current (max. 1 A) PIN • Low collector-emitter saturation voltage ensures reduced power consumption. APPLICATIONS DESCRIPTION 1 base 2 emitter 3 collector • Battery powered units where high current and low power consumption are important. DESCRIPTION handbook, halfpage 3 3 NPN BISS (Breakthrough In Small Signal) transistor in a SOT23 plastic package. PNP complement: PMMT591A.
NXP Semiconductors Product data sheet NPN BISS transistor PMMT491A THERMAL CHARACTERISTICS SYMBOL Rth(j-a) PARAMETER CONDITIONS thermal resistance from junction to ambient VALUE UNIT 500 K/W note 1 Note 1. Transistor mounted on an FR4 printed-circuit board. CHARACTERISTICS Tamb = 25 °C unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. MAX.
NXP Semiconductors Product data sheet NPN BISS transistor PMMT491A MLD642 1000 MLD635 10 handbook, halfpage handbook, halfpage hFE 800 VBE (1) (V) 600 (2) (1) 1 400 (2) (3) (3) 200 0 10−1 1 102 10 10−1 10−1 103 104 IC (mA) 1 VCE = 5 V. (1) Tamb = 150 °C. (2) Tamb = 25 °C. (3) Tamb = −55 °C. VCE = 5 V. (1) Tamb = −55 °C. (2) Tamb = 25 °C. (3) Tamb = 150 °C. Fig.2 Fig.3 DC current gain as a function of collector current; typical values.
NXP Semiconductors Product data sheet NPN BISS transistor PMMT491A PACKAGE OUTLINE Plastic surface-mounted package; 3 leads SOT23 D E B A X HE v M A 3 Q A A1 1 2 e1 bp c w M B Lp e detail X 0 1 2 mm scale DIMENSIONS (mm are the original dimensions) UNIT A A1 max. bp c D E e e1 HE Lp Q v w mm 1.1 0.9 0.1 0.48 0.38 0.15 0.09 3.0 2.8 1.4 1.2 1.9 0.95 2.5 2.1 0.45 0.15 0.55 0.45 0.2 0.
NXP Semiconductors Product data sheet NPN BISS transistor PMMT491A DATA SHEET STATUS DOCUMENT STATUS(1) PRODUCT STATUS(2) DEFINITION Objective data sheet Development This document contains data from the objective specification for product development. Preliminary data sheet Qualification This document contains data from the preliminary specification. Product data sheet Production This document contains the product specification. Notes 1.
NXP Semiconductors Customer notification This data sheet was changed to reflect the new company name NXP Semiconductors, including new legal definitions and disclaimers. No changes were made to the technical content, except for package outline drawings which were updated to the latest version. Contact information For additional information please visit: http://www.nxp.com For sales offices addresses send e-mail to: salesaddresses@nxp.com © NXP B.V. 2009 All rights are reserved.
