Alternatives to STMicroelectronics LM339D
STMicroelectronics LM339D and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for STMicroelectronics LM339D
 LM339DSTMicroelectronics |  LM2901DRTexas Instruments | LM339DRTexas Instruments | |
|---|---|---|---|
| FFF Compatibility | Matches the exact SO14 pin assignment and has no exposed center pad.Matches the standard 14-SOIC physical dimensions (3.90mm body width).Exceeds the original operating temperature range while maintaining matching quad comparator performance. | Matches the exact SO14 pin assignment and has no exposed center pad.Matches the standard 14-SOIC physical dimensions (3.90mm body width).Matches the general-purpose quad comparator performance and 0°C to 70°C operating temperature range. | |
 AI Summary | LM339D by STMicroelectronics: Comparator Standard (General Purpose) CMOS, DTL, ECL, MOS, Open-Collector, TTL 14-SO. | The LM2901DR is an industrial-grade variant of the LM339 quad comparator. It offers an extended temperature range of -40°C to +125°C while maintaining complete pinout and footprint compatibility, making it an excellent high-reliability upgrade.
| Texas Instruments' LM339DR is a direct, industry-standard drop-in equivalent for the LM339D. It offers matching electrical characteristics and identical pin mapping in the same 14-SOIC footprint.
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| Lifecycle Status | Active | Active | Active |
| Market Availability | In stock | In stock | In stock |
| REACH | REACH | REACH | REACH |
| RoHS | RoHS | RoHS | RoHS |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 LM339DGonsemi | Discontinued | Obsolete | 3Alternatives availableSee Alternatives |
 LM339DRROHM Semiconductor | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
 LMV339IDTexas Instruments | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 LM339Nonsemi | Discontinued | Obsolete | 2Alternatives availableSee Alternatives |
 LM393Donsemi | Non-stock | Obsolete | 2Alternatives availableSee Alternatives |
| LM393DRROHM Semiconductor | In stock | NRND | 4Alternatives availableSee Alternatives |
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