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SMD Marking Code - 449

449
Total Parts 3/3
Manufacturers Ricoh Co., Ltd, Zetex plc., Torex Semiconsuctor Ltd.
Functions Silicon NPN Transistor, Linear Voltage Regulator Integrated Circuit, Voltage Detector Integrated Circuit
Cases SOT-23, SOT-23-5, SOT-25
Pins 28xg, 28ca, 16ta
Description

Lo-sat, 50V, 1A, 500mW, B=100..300, >150MHz

LDO, 4.9V±1.5%, 300mA, +CE, ECO

4.0V±2%, Hst, +Rst PPO, -Rst ODO, Wt=400ms, Rt=3.13ms

SMD Code A Part Number Manufacturer Case Pin Description
449 - FMMT449 Zx SOT-23 16ta

Silicon NPN Transistor

Lo-sat, 50V, 1A, 500mW, B=100..300, >150MHz

449 - R1191N049B Ric SOT-23-5 28ca

Linear Voltage Regulator Integrated Circuit

LDO, 4.9V±1.5%, 300mA, +CE, ECO

449 ej XC6105A540MR Tor SOT-25 28xg

Voltage Detector Integrated Circuit

4.0V±2%, Hst, +Rst PPO, -Rst ODO, Wt=400ms, Rt=3.13ms