BA178M12FP-E2 is available for purchase but is not normally stocked.
Available Substitutes:

MFR Recommended


Rohm Semiconductor
In Stock: 0
Unit Price: $6.36000
Datasheet

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STMicroelectronics
In Stock: 0
Unit Price: $4.41000
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Texas Instruments
In Stock: 0
Unit Price: $25.13000
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Texas Instruments
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Unit Price: $23.74000
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Texas Instruments
In Stock: 0
Unit Price: $7.59000
Datasheet
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-252
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-252
TO-252
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

BA178M12FP-E2

DigiKey Part Number
BA178M12FP-E2TR-ND - Tape & Reel (TR)
BA178M12FP-E2CT-ND - Cut Tape (CT)
BA178M12FP-E2DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
BA178M12FP-E2
Description
IC REG LINEAR 12V 500MA TO252
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-252
Datasheet
 Datasheet
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
4.5 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Supply (Max)
6 mA
Part Status
Last Time Buy
PSRR
63dB (120Hz)
Output Configuration
Operating Temperature
-40°C ~ 85°C
Output Type
Mounting Type
Surface Mount
Number of Regulators
1
Package / Case
TO-252-3, DPAK (2 Leads + Tab), SC-63
Voltage - Input (Max)
27V
Supplier Device Package
TO-252
Voltage - Output (Min/Fixed)
12V
Base Product Number
Voltage Dropout (Max)
2V @ 500mA (Typ)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
BDJ2FC0WFP-E2Rohm Semiconductor0BDJ2FC0WFP-E2CT-ND$6.36000MFR Recommended
L78M12ABDT-TRSTMicroelectronics0497-1209-1-ND$4.41000Similar
TL750M12CKVURG3Texas Instruments0296-21601-1-ND$25.13000Similar
TL750M12QKVURQ1Texas Instruments0296-27429-1-ND$23.74000Similar
UA78M12CKVURG3Texas Instruments0296-19664-1-ND$7.59000Similar
Last Time Buy
Last Time Buy Date: 31/3/2026
All prices are in HKD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$7.34000$7.34
10$5.26200$52.62
25$4.74160$118.54
100$4.16980$416.98
250$3.89648$974.12
500$3.73186$1,865.93
1,000$3.59627$3,596.27