ADA-4543-TR1G Avago General Purpose Darlington Amplifier SOT-343 (SC-70-4) | JTDZ Tech
ADA-4543-TR1G — Overview
ADA-4543-TR1G by Avago is a General Purpose Darlington Amplifier in a SOT-343 (SC-70-4) package, supplied by Shenzhen Jingteng Electronics (JTDZ Tech). A general-purpose silicon bipolar Darlington amplifier covering DC to 2.5 GHz, offering a small, low-cost surface-mount solution for cellular, ISM, PCS, WLAN and WLL signal gain with single-supply operation.
Key Specifications
| Part Number | ADA-4543-TR1G |
|---|---|
| Manufacturer | Avago Technologies (Broadcom) |
| Device Type | General Purpose Darlington Amplifier |
| Frequency Range | 0 Hz – 2.5 GHz |
| Gain | 15.1 dB |
| Noise Figure | 3.7 dB @ 900 MHz |
| P1dB | 1.9 dBm |
| OIP3 | 15 dBm |
| Supply | 3.1 – 3.8 V / 10–30 mA |
| Package | SOT-343 (SC-70-4) |
Datasheet Parameters
| Topology | Silicon Bipolar Darlington |
|---|---|
| Gain | 15.1 dB |
| Noise Figure | 3.7 dB @ 900 MHz |
| Output Intercept | 15 dBm |
| Bandwidth | 3.6 GHz |
| Power Dissipation | 145 mW max |
Applications
- cellular and PCS
- ISM bands
- WLAN
- WLL / wireless local loop
Stock & Packaging
Discontinued by manufacturer — remaining channel stock only. Original, genuine and unused parts with traceable date code; Certificate of Conformity available on request. Ships within 24 hours from JTDZ Tech stock.
FAQ
- Is the ADA-4543-TR1G genuine and traceable?
Yes. JTDZ Tech (Shenzhen Jinteng Electronics) supplies the Avago ADA-4543-TR1G as original, genuine parts with traceable date codes and a Certificate of Conformity available on request. - What package does the ADA-4543-TR1G use?
It is housed in a SOT-343 (SC-70-4) surface-mount package, suitable for automated assembly and high-density RF / microwave designs. - What are the typical applications of the ADA-4543-TR1G?
Typical uses are cellular, PCS, ISM, WLAN and WLL front-end gain blocks in space-limited surface-mount designs. - Is the ADA-4543-TR1G still in production?
Discontinued by manufacturer — remaining channel stock only. - What is the lead time and shipping?
In stock at JTDZ Tech — ships within 24 hours. Each lot carries a traceable date code; small-batch, prototype and repair quantities are supported. - Can I get the full datasheet?
Yes. The complete Avago ADA-4543-TR1G datasheet (electrical characteristics, S-parameters, footprint and reel specs) is available on request — contact JTDZ Tech sales for the PDF and reference designs.
Related Avago Products
Browse our full Avago inventory at JTDZ Tech for more RF / microwave components, or contact us for cross-reference and volume pricing.
Specifications are based on the Avago ADA-4543-TR1G datasheet. JTDZ Tech is an independent distributor of original Avago components; this page is for technical reference and procurement only.
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