DISCRETE SEMICONDUCTORS
DATA SHEET
PMMT491A
NPN BISS
transistor
Product data sheet Supersedes data of 2001 Jun 11
2004 Jan 13
NXP Semiconductors
NPN BISS
transistor
Product data sheet
PMMT491A
FEATURES • High current (max.
1 A) • Low collector-emitter saturation voltage ensures
reduced power consumption.
APPLICATIONS • Battery powered units where high current and low power
consumption are important.
PINNING
PIN 1 2 3
base emitter collector
DESCRIPTION
DESCRIPTION
NPN BISS (Breakthrough In Small Signal)
transistor in a SOT23 plastic package.
PNP complement: PMMT591A.
MARKING
TYPE NUMBER PMMT491A
MARKING CODE(1) 9A*
Note
1.
* = p : Made in Hong Kong.
* = t : Made in Malaysia.
* = ...