Texas Instruments · Electronic Components
CD4503BF
Military 6-ch, 3-V to 18-V buffers
Part NumberCD4503BF
ManufacturerTexas Instruments
LifecycleACTIVE
AvailabilityAvailable to order — request a quote
Specifications
Generic Part NumberCD4503B-MIL
Pin Count16
EccnEAR99
Product FamilyNoninverting buffers & drivers
PackageCDIP
Fit Failures In Time2.8
Mtbf Hours371000000
Operating Temperature Range-55 to 125 °C
Supply Voltage3 to 18 V
Input TypeStandard CMOS
Technology FamilyCD4000
Iohmax -6.1 mA
RatingMilitary
Output TypePush-Pull
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is CD4503BF available?
We can source CD4503BF even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is CD4503BF by Texas Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CD4503BF has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like CD4503BF?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for CD4503BF?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.