PIN-TO-PIN ALTERNATIVE
SGM8541XS is a Chinese-manufactured pin-to-pin drop-in replacement for LM321 / LM358 (single channel) (Texas Instruments / STMicroelectronics).
Single-channel rail-to-rail cross-reference in SOT-23-5, for compact low-power sensor designs.
SGM8541XS — Alternative to LM321 / LM358 (single channel)
SGM8541XS from SGMicro {BRAND} is supplied by JTDZ Tech (Shenzhen Jingteng Electronics) as a cost-effective, short-lead-time alternative to the imported LM321 / LM358 (single channel) (Texas Instruments / STMicroelectronics). Chinese-sourced semiconductors have moved well beyond "cheap substitute" status: the parts below are production-validated in industrial, automotive and consumer designs, and they remove both the allocation risk and the long lead times that come with imported.
Cross-Reference: LM321 / LM358 (single channel) vs SGM8541XS
| imported | This part (Chinese alternative) | |
|---|---|---|
| Part number | LM321 / LM358 (single channel) | SGM8541XS |
| Manufacturer | Texas Instruments / STMicroelectronics | SGMicro {BRAND} |
| Package | SOT-23-5 / SOIC-8 / SC70-5 | SOT-23-5 / SOIC-8 / SC70-5 |
| Compatibility | — | Pin-to-Pin drop-in replacement |
| Supply & lead time | Frequently allocated, long lead times | Domestic stock, short lead time |
| Description | Amplifiers / Data conversion, 2.1 V - 5.5 V, SOT-23-5 / SOIC-8 / SC70-5 package. |
Key Specifications
| Channels | 1 |
| Gain bandwidth | 1.1 MHz |
| Input / output | Rail-to-rail |
| Supply | 2.1 V - 5.5 V |
| Supply current | 42 uA |
| Input bias current | 0.5 pA |
| Package | SOT-23-5 / SOIC-8 / SC70-5 |
What to check before substituting SGM8541XS for LM321
- Single-channel counterpart to the SGM8542, and pin-compatible with LM321-class single op-amps in SOT-23-5 and SOIC-8.
- Again note the narrow 2.1 V to 5.5 V supply: not a substitute for high-voltage single-amplifier designs.
- Rail-to-rail I/O with pico-amp input bias current, aimed at sensor and transducer buffering.
Typical Applications
- Portable and battery-powered equipment
- Sensor and transducer interfaces
- ASIC input or output buffering
- Medical and monitoring instruments
Why buy SGM8541XS from JTDZ Tech
- and new parts from SGMicro {BRAND}, with traceable date codes
- MOQ 1 pc, tier pricing for volume and BOM kitting
- Cross-reference and substitution support: send us your BOM and we will confirm pin-to-pin compatibility before you commit
- X-ray, visual inspection and third-party lab testing supported on request
- Quote within 2 business hours; export shipping to India, Vietnam, the Middle East and worldwide
Need SGM8541XS, or still prefer the LM321? Send us your part list and target quantity — we will come back with pricing, stock and a compatibility confirmation within 2 business hours. Prices vary with quantity and market conditions, so the listed price is for reference only.
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
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