CD40103BEAlternatives & Equivalent Parts
About CD40103BE
CD40103BE is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | CD40103BESource | LM5156QDSSRQ1 | LP2989AILD-3.3/NOPB | CD40103BEE4 | CD40103BF3A |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Small Outline No-lead | Other | — | Ceramic Dual-In-Line Packages |
| Pin Count | 16 | 13 | 8 | — | 16 |
| Temperature Range | -55.0°C ~ 125.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 125.0°C | — | -55.0°C ~ 125.0°C |
| Price | $0.4825 | $1.4150 | $1.4430 | $0.8700 | $16.3100 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | |||||
| YTEOL | 15 | 15 | 15 | — | 15 |
| Additional Feature | TCO OUTPUT; RESET TO MAX COUNT | — | — | — | TCO OUTPUT; RESET TO MAX COUNT |
| Count Direction | DOWN | — | — | — | DOWN |
| Family | 4000/14000/40000 | — | — | — | 4000/14000/40000 |
| JESD-30 Code | R-PDIP-T16 | R-PDSO-N12 | S-PDSO-N8 | — | R-GDIP-T16 |
| JESD-609 Code | e4 | e3 | e3 | — | e0 |
| Load Capacitance (CL) | 50 pF | — | — | — | 50 pF |
| Load/Preset Input | YES | — | — | — | YES |
| Logic IC Type | BINARY COUNTER | — | — | — | BINARY COUNTER |
| Max Frequency@Nom-Sup | 700000 Hz | — | — | — | 700000 Hz |
| Max I(ol) | 0.0015 A | — | — | — | 0.0015 A |
| Mode of Operation | SYNCHRONOUS | — | — | — | SYNCHRONOUS |
| Number of Bits | 8 | — | — | — | 8 |
| Number of Functions | 1 | 1 | 1 | — | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 | — | SOLCC8,.15,32 | — | DIP16,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | — | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE, HEAT SINK/SLUG | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | — | IN-LINE |
| Packing Method | TUBE | — | TR | — | TUBE |
| Power Supply Current-Max (ICC) | 0.03 mA | — | — | — | 0.03 mA |
| Prop. Delay@Nom-Sup | 260 ns | — | — | — | 260 ns |
| Propagation Delay (tpd) | 600 ns | — | — | — | 600 ns |
| Qualification Status | Not Qualified | — | Not Qualified | — | Not Qualified |
| Supply Voltage-Max (Vsup) | 18 V | — | — | — | 18 V |
| Supply Voltage-Min (Vsup) | 3 V | — | — | — | 3 V |
| Supply Voltage-Nom (Vsup) | 5 V | 12 V | — | — | 5 V |
| Surface Mount | NO | YES | YES | — | NO |
| Technology | CMOS | BICMOS | BIPOLAR | — | CMOS |
| Temperature Grade | MILITARY | AUTOMOTIVE | — | — | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | — | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE | NO LEAD | NO LEAD | — | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | — | 0.8 mm | — | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL |
| Trigger Type | POSITIVE EDGE | — | — | — | POSITIVE EDGE |
| fmax-Min | 2.4 MHz | — | — | — | 2.4 MHz |
| ## CD40103BE Alternates Showing results | Image | — | — | — | — |
| Pbfree Code | — | Yes | Yes | — | Yes |
| Date Of Intro | — | 2020-03-01 | — | — | — |
| Analog IC - Other Type | — | SWITCHING CONTROLLER | — | — | — |
| Control Mode | — | CURRENT-MODE | — | — | — |
| Control Technique | — | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | — | 60 V | 16 V | — | — |
| Input Voltage-Min | — | 1.5 V | 4.3 V | — | — |
| Input Voltage-Nom | — | 12 V | — | — | — |
| Number of Outputs | — | 1 | 1 | — | — |
| Output Current-Max | — | 15 A | — | — | — |
| Output Voltage-Max | — | 300 V | — | — | — |
| Output Voltage-Min | — | 1.5 V | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | — | — |
| Screening Level | — | AEC-Q100 | — | — | 38535Q/M;38534H;883B |
| Supply Current-Max (Isup) | — | 0.58 mA | — | — | — |
| Switcher Configuration | — | BUCK-BOOST | — | — | — |
| Switching Frequency-Max | — | 2200 kHz | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | — | — |
| ## LM5156QDSSRQ1 Alternates Showing results | — | Image | — | — | — |
| Adjustability | — | — | FIXED | — | — |
| Dropout Voltage1-Max | — | — | 0.65 V | — | — |
| Dropout Voltage1-Nom | — | — | 0.31 V | — | — |
| Input Voltage Absolute-Max | — | — | 16 V | — | — |
| Line Regulation-Max | — | — | 0.0123% | — | — |
| Load Regulation-Max | — | — | 0.0132% | — | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — |
| Output Current1-Max | — | — | 0.5 A | — | — |
| Output Voltage1-Max | — | — | 3.3825 V | — | — |
| Output Voltage1-Min | — | — | 3.168 V | — | — |
| Output Voltage1-Nom | — | — | 3.3 V | — | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Voltage Tolerance-Max | — | — | 4% | — | — |
| ## LP2989AILD-3.3/NOPB Alternates Showing results | — | — | Image | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for CD40103BE — response within 24 hours.
Quick Links
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Why Look for Alternatives?
Finding alternatives for CD40103BE is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating CD40103BE replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to CD40103BE?
Known equivalents for CD40103BE include LM5156QDSSRQ1, LP2989AILD-3.3/NOPB, CD40103BEE4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of CD40103BE?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify CD40103BE alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.