BA178M09CP-E2 representative package visual — not an exact-product photograph

Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN16 sourced attributes1 source document

Rohm Semiconductor · exact orderable part

BA178M09CP-E2

IC REG LINEAR 9V 500MA TO220-3

Voltage - Input (Max): 26V
Voltage - Output (Min/Fixed): 9V
Current - Output: 500mA
Voltage Dropout (Max): 2V @ 500mA (Typ)
Current - Quiescent (Iq): 4.5 mA
PSRR: 67dB (120Hz)
Output Type: Fixed
Base Product Number: BA178M09
Current - Supply (Max): 6 mA

Original manufacturerCommercial terms confirmed per lot

ManufacturerRohm Semiconductor

Package / caseTO-220-3 Cropped Leads

Mounting typeThrough Hole

PackingTape & Reel (TR); Cut Tape (CT)

Technical parameters

Technical specifications

16 normalized values · 1 validated source

Report a data issue

BA178M09CP-E2 technical parameters
Parameter	Value
Base Product Number	BA178M09 [1]
Current - Output	500mA [1]
Current - Quiescent (Iq)	4.5 mA [1]
Current - Supply (Max)	6 mA [1]
Mfr	Rohm Semiconductor [1]
Mounting Type	Through Hole [1]
Number of Regulators	1 [1]
Operating Temperature	-40°C~85°C [1]
Output Configuration	Positive [1]
Output Type	Fixed [1]
PSRR	67dB (120Hz) [1]
Product Status	Active [1]
Voltage - Input (Max)	26V [1]
Voltage - Output (Min/Fixed)	9V [1]
Voltage Dropout (Max)	2V @ 500mA (Typ) [1]
Package / Case	TO-220-3 Cropped Leads [1]

Specification references[1]Rohm Semiconductor BA178M09CP-E2 vendor product record ↗

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerRohm SemiconductorView brand page →CategoryVoltage Regulators - LinearView category page →

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.