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MC33063ADX

ACTIVE
Fairchild Semiconductor

Boost, Buck Switching Regulator IC Positive or Negative Adjustable 1.24V 1 Output 1.5A (Switch) 8-SOIC (0.154", 3.90mm Width)

In full production. No end-of-life notice on file.

MC33063ADX is a Boost from Fairchild Semiconductor. 1 authorized distributor quotes it on TracedParts, from RM 1.86 at quantity 1, with 162,095 units in stock for immediate despatch. Figures come from the distributors' own APIs, pulled in the catalogue snapshot of 2026-09-25, and are indicative rather than a binding quote.

RoHS COMPLIANTREACH 8-SOIC (0.154", 3.90mm Width) SMD
BEST PRICE @1
RM 1.86
DigiKey · authorized
TOTAL STOCK
162,095
1 source
SHORTEST LEAD
stock
ships from warehouse
AUTHORIZED
1 / 1
tier 1 sources

Who has MC33063ADX in stock, and what does it cost?

1 authorized distributor · pulled from their APIs in the catalogue snapshot of 2026-09-25
QTY pcs
DISTRIBUTOR
STOCK
MOQ
PRICE BREAKS · MYR
LEAD
@250 PCS
TIER 1 - AUTHORIZED DISTRIBUTORfranchised - full warranty - paperwork QA will accept
AUTH
162,095
649
649+1.8596
stock
ex-warehouse
-
below MOQ 649
Buy ↗
What 250 pcs actually costs landed in Malaysia, duty and SST included: RM 550.46 RM 2.2018 per unit, DDP · estimate Open estimator →

What are the specifications of MC33063ADX?

24 parameters▾
Device specification
FunctionStep-Up, Step-Down
Output ConfigurationPositive or Negative
TopologyBoost, Buck
Output TypeAdjustable
Number of Outputs1
Voltage - Input (Min)3V
Voltage - Input (Max)40V
Voltage - Output (Min/Fixed)1.24V
Voltage - Output (Max)40V (Switch)
Current - Output1.5A (Switch)
Frequency - Switching100Hz ~ 100kHz
Synchronous RectifierNo
Operating Temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount
Ordering & compliance
ManufacturerFairchild Semiconductor
CategoryVoltage Regulators - DC DC Switching Regulators
Package8-SOIC (0.154", 3.90mm Width)
MountingSurface mount
LifecycleACTIVE
RoHSCompliant
Moisture levelNot applicable (through hole)
PackagingTape & reel
Country of origin
HS code

Where can I download the MC33063ADX datasheet?

link supplied by DigiKey▾
PDF
MC33063ADX datasheet
link supplied by DigiKey · Fairchild Semiconductor · English
Open datasheet ↗

This is the datasheet link the distributor returned with the part record. We pass it through as they gave it, and we have not opened it - there are more than 300,000 of these and we verify only the ones we curate by hand. If it does not resolve, that is the distributor’s record, not the part.

What does MC33063ADX cost landed in Malaysia?

Malaysia · DDP · HS ▾
Goods
Freight · express 2 d
Import duty · 0 % (ITA-exempt)
Sales & service tax · 6 %
Customs clearance
Landed total

Estimate only. The correct HS classification for your import is your responsibility - see terms of service.

Is there a CAD symbol and footprint for MC33063ADX?

4 downloads▾
SCHEMATIC SYMBOL · .libPCB FOOTPRINT · .kicad_mod 3D MODEL · .stepSPICE · .mod

What can I use instead of MC33063ADX?

3 in voltage regulators - DC DC switching regulators▾
AP63357DV-7
Diodes Incorporated
Buck Switching Regulator IC Positive Adjustable 0.8V…
9,612
RM 1.85
AP63301WU-7
Diodes Incorporated
Buck Switching Regulator IC Positive Adjustable 0.8V…
9,383
RM 1.80
MC7660DR2
onsemi
Charge Pump Switching Regulator IC Negative Fixed -V…
10,090
RM 1.94

Nearest peers by price within the same category. Confirm the parameters before you substitute - these are not guaranteed drop-in replacements.

Which parts are similar to MC33063ADX?

8 parts▾
FAN53612AUC08XFAN48614BUC50XFAN5355UC00XNCP6336BFCCT1GTPS62679ZYFMRLV52130XA-VHFAN53601UC182X-PFAN48680UC08X

Common questions about MC33063ADX

7 questions▾
Is MC33063ADX in stock?
Yes. 162,095 units are in stock across 1 authorized distributor (DigiKey), as of the catalogue snapshot of 2026-09-25.
How much does MC33063ADX cost?
RM 1.8596 is the lowest unit price on this page, from DigiKey. Prices fall as quantity rises; the full price break ladder is in the quotes table. Figures come from the distributor API and are indicative, not a binding quote.
Who supplies MC33063ADX?
DigiKey. It is authorized, franchised distributor quoting through its own API. TracedParts carries no broker or open-market listings.
How old are these prices?
The catalogue is re-pulled from the distributors' APIs once a day, and the line under the Quotes heading says which pull the figures on this page came from. Prices and stock can move between pulls, so treat them as indicative and confirm on the distributor's site before you order.
Who quoted these prices?
Every row on the site comes from an authorized, franchised distributor through its own API: DigiKey, Mouser or element14. There are no broker or open-market listings on TracedParts. If a source ever changes, the row will say so.
Why do you show the source before the price?
Because who sold it decides what happens at incoming inspection, and a table sorted by price alone hides that. Rows are grouped by the distributor's status first and ordered by unit price inside the group.
Why are prices in ringgit?
Distributors quote in US dollars. TracedParts converts to MYR at a fixed reference rate that is printed on the page, not a live FX feed, so the ringgit figure is a sourcing estimate rather than the amount you will be billed.