CD4051BFAlternatives & Equivalent Parts
About CD4051BF
CD4051BF is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Ceramic Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | CD4051BFSource | CD4051BE | SN74CBT3257CRGYR | CSD18509Q5BT | SN74F74NSRG4 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Ceramic Dual-In-Line Packages | Dual-In-Line Packages | Other | Other | Small Outline Packages |
| Pin Count | 16 | 16 | 16 | 8 | 14 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 150.0°C | ~ 70.0°C |
| Price | — | — | $0.2969 | $0.5782 | — |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | Yes | Yes | — |
| YTEOL | 15 | 15 | 15 | 15 | 0 |
| Additional Feature | Configuration : 8:1 | Configuration : 8:1 | TTL COMPATIBLE MUX/DMUX SWITCH | AVALANCHE RATED | — |
| Analog IC - Other Type | SINGLE-ENDED MULTIPLEXER | SINGLE-ENDED MULTIPLEXER | — | — | — |
| Bandwidth-Nom | 20 MHz | 20 MHz | — | — | — |
| Input Voltage-Max | 20.5 V | 20.5 V | — | — | — |
| Input Voltage-Min | -0.5 V | -0.5 V | — | — | — |
| JESD-30 Code | R-GDIP-T16 | R-PDIP-T16 | R-PQCC-N16 | R-PDSO-N8 | R-PDSO-G14 |
| JESD-609 Code | e0 | e4 | e4 | e4 | e4 |
| Neg Supply Voltage-Nom (Vsup) | -5 V | -5 V | — | — | — |
| Normal Position | NC | NC | — | — | — |
| Number of Channels | 1 | 1 | — | — | — |
| Number of Functions | 1 | 1 | 4 | — | 2 |
| Off-state Isolation-Nom | 40 dB | 40 dB | — | — | — |
| On-state Resistance Match-Nom | 15 Ω | 15 Ω | — | — | — |
| On-state Resistance-Max (Ron) | 1050 Ω | 1050 Ω | — | — | — |
| Output | COMMON OUTPUT | COMMON OUTPUT | — | — | — |
| Package Body Material | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | LCC16/20,.14X.16,20 | — | SOP14,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Supply Current-Max (Isup) | 10 mA | 10 mA | — | — | — |
| Supply Voltage-Max (Vsup) | 20 V | 20 V | 5.5 V | — | 5.5 V |
| Supply Voltage-Min (Vsup) | 3 V | 3 V | 4 V | — | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | 5 V |
| Surface Mount | NO | NO | YES | YES | YES |
| Switch-off Time-Max | 720 ns | 720 ns | — | — | — |
| Switch-on Time-Max | 720 ns | 720 ns | — | — | — |
| Switching | BREAK-BEFORE-MAKE | BREAK-BEFORE-MAKE | — | — | — |
| Technology | CMOS | CMOS | CMOS | — | TTL |
| Temperature Grade | MILITARY | MILITARY | INDUSTRIAL | — | COMMERCIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | NO LEAD | NO LEAD | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 0.5 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | QUAD | DUAL | DUAL |
| ## CD4051BF Alternates Showing results | Image | — | — | — | — |
| ## CD4051BE Alternates Showing results | — | Image | — | — | — |
| Control Type | — | — | ENABLE LOW | — | — |
| Count Direction | — | — | BIDIRECTIONAL | — | — |
| Family | — | — | CBT/FST/QS/5C/B | — | F/FAST |
| Load Capacitance (CL) | — | — | 50 pF | — | 50 pF |
| Logic IC Type | — | — | BUS EXCHANGER | — | D FLIP-FLOP |
| Number of Bits | — | — | 2 | — | 1 |
| Number of Ports | — | — | 3 | — | — |
| Output Characteristics | — | — | 3-STATE | — | — |
| Output Polarity | — | — | TRUE | — | COMPLEMENTARY |
| Packing Method | — | — | TR | — | TR |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | — | — | 0.003 mA | — | 16 mA |
| Prop. Delay@Nom-Sup | — | — | 0.15 ns | — | 9.2 ns |
| Propagation Delay (tpd) | — | — | 0.24 ns | — | 9.2 ns |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | 30 |
| Avalanche Energy Rating (Eas) | — | — | — | 345 mJ | — |
| Case Connection | — | — | — | DRAIN | — |
| Configuration | — | — | — | SINGLE WITH BUILT-IN DIODE | — |
| DS Breakdown Voltage-Min | — | — | — | 40 V | — |
| Drain Current-Max (ID) | — | — | — | 100 A | — |
| Drain-source On Resistance-Max | — | — | — | 0.0017 Ω | — |
| FET Technology | — | — | — | METAL-OXIDE SEMICONDUCTOR | — |
| Feedback Cap-Max (Crss) | — | — | — | 354 pF | — |
| Number of Elements | — | — | — | 1 | — |
| Operating Mode | — | — | — | ENHANCEMENT MODE | — |
| Polarity/Channel Type | — | — | — | N-CHANNEL | — |
| Power Dissipation-Max (Abs) | — | — | — | 195 W | — |
| Pulsed Drain Current-Max (IDM) | — | — | — | 400 A | — |
| Transistor Application | — | — | — | SWITCHING | — |
| Transistor Element Material | — | — | — | SILICON | — |
| ## CSD18509Q5BT Alternates Showing results | — | — | — | Image | — |
| Max Frequency@Nom-Sup | — | — | — | — | 100000000 Hz |
| Max I(ol) | — | — | — | — | 0.02 A |
| Trigger Type | — | — | — | — | POSITIVE EDGE |
| fmax-Min | — | — | — | — | 100 MHz |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for CD4051BF 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 CD4051BF 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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What is equivalent to CD4051BF?
Known equivalents for CD4051BF include CD4051BE, SN74CBT3257CRGYR, CSD18509Q5BT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of CD4051BF?
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 CD4051BF 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.