TDA7318Alternatives & Equivalent Parts
About TDA7318
TDA7318 is a Integrated Circuit component manufactured by STMicroelectronics. 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 | TDA7318Source | BD3491FS-E2 | TDA7439 | TDA7468D | BULD741T4 | TDA7318D |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | ROHM Semiconductor | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages | Other | Small Outline Packages |
| Pin Count | 28 | 32 | 30 | 28 | 3 | 28 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -10.0°C ~ 85.0°C | ~ 70.0°C | ~ 150.0°C | -40.0°C ~ 85.0°C |
| Price | $4.8418 | $1.0458 | $2.4621 | $2.1429 | $0.3954 | $4.5399 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | OBSOLETE | OBSOLETE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||
| YTEOL | 0 | — | 0 | 0 | 4 | 0 |
| Channel Separation | 103 dB | — | 100 dB | 90 dB | — | 103 dB |
| Consumer IC Type | TONE CONTROL CIRCUIT | CONSUMER CIRCUIT | TONE CONTROL CIRCUIT | TONE CONTROL CIRCUIT | — | TONE CONTROL CIRCUIT |
| Harmonic Distortion | 0.09% | — | 0.01% | 0.01% | — | 0.09% |
| JESD-30 Code | R-PDIP-T28 | R-PDSO-G32 | R-PDIP-T30 | R-PDSO-G28 | R-PSSO-G2 | R-PDSO-G28 |
| JESD-609 Code | e3 | — | e3 | e4 | e3 | e4 |
| Number of Bands | 2 | — | 3 | 2 | — | 2 |
| Number of Channels | 2 | — | 2 | 2 | — | 2 |
| Number of Functions | 1 | 1 | 1 | 1 | — | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.6 | — | SDIP30,.4 | SOP28,.4 | — | SOP28,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE, SHRINK PITCH | IN-LINE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max | 11 mA | — | 10 mA | — | — | 11 mA |
| Supply Voltage-Max (Vsup) | 10 V | 9.5 V | 10.2 V | 10 V | — | 10 V |
| Supply Voltage-Min (Vsup) | 6 V | 4.75 V | 6 V | 5 V | — | 6 V |
| Surface Mount | NO | YES | NO | YES | YES | YES |
| Technology | BICMOS | BICMOS | BICMOS | BICMOS | — | BICMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | OTHER | COMMERCIAL | — | INDUSTRIAL |
| Terminal Finish | MATTE TIN | — | MATTE TIN | NICKEL PALLADIUM GOLD | Matte Tin (Sn) | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 0.8 mm | 1.778 mm | 1.27 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | SINGLE | DUAL |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED | — | 250 | 260 | — |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | 30 | 30 | — |
| Pbfree Code | — | — | Yes | — | — | — |
| Factory Lead Time | — | — | — | — | 14 Weeks | — |
| Collector Current-Max (IC) | — | — | — | — | 2.5 A | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 400 V | — |
| Configuration | — | — | — | — | SINGLE | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 25 | — |
| JEDEC-95 Code | — | — | — | — | TO-252 | — |
| Number of Elements | — | — | — | — | 1 | — |
| Polarity/Channel Type | — | — | — | — | NPN | — |
| Power Dissipation-Max (Abs) | — | — | — | — | 30 W | — |
| Transistor Application | — | — | — | — | SWITCHING | — |
| Transistor Element Material | — | — | — | — | SILICON | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for TDA7318 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 TDA7318 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 TDA7318?
Known equivalents for TDA7318 include BD3491FS-E2, TDA7439, TDA7468D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of TDA7318?
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 TDA7318 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.