Part A
GALI-6+
Мини-схемы
- Lifecycle
- Active
- Stock
- 13832 ПКС
- Package
- TO-243AA
- Series
- RF Усилетели
Replacement verdict
Compatible functional replacement candidate
The GALI-6+ and GALI-49+ are both wideband monolithic amplifiers in the same SOT-89 package, making the GALI-49+ a viable functional replacement candidate for the GALI-6+ in many RF and IF signal-chain designs. However, the two devices differ in their gain, output power, and frequency coverage, so the replacement must be validated against the specific gain budget, output compression, and bandwidth requirements of the target application before committing to production.
Gain
Validation required
Frequency Range
Validation required
Output Power
Validation required
Package Type
High match
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | GALI-6+ | GALI-49+ | Why it matters |
|---|---|---|---|
| Frequency Range | DC to 4000 MHz | DC to 7000 MHz | Defines the usable bandwidth; the GALI-49+ covers higher frequencies, enabling use in wider-band applications. |
| Gain at 1 GHz | ~12.5 dB | ~13.5 dB | Gain determines signal amplification; a higher gain part may reduce the number of stages needed in a chain. |
| Output Power at 1 dB Compression (P1dB) at 1 GHz | ~12.5 dBm | ~14.5 dBm | P1dB indicates the maximum linear output power; higher P1dB allows handling of stronger signals without distortion. |
| Noise Figure at 1 GHz | ~4.5 dB | ~4.0 dB | Noise figure affects receiver sensitivity; a lower value is preferable for weak-signal applications. |
| Supply Voltage | 5 V | 5 V | Both operate from a standard 5 V supply, simplifying power design and compatibility. |
| Supply Current | ~65 mA | ~75 mA | Current draw impacts power consumption and thermal management; the GALI-49+ requires slightly more current. |
| Package Type | SOT-89 | SOT-89 | Identical package allows drop-in replacement without PCB layout changes. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Same temperature range ensures both parts are suitable for similar environmental conditions. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | GALI-6+ | GALI-49+ |
|---|---|---|
| Supplier | Mini-Circuits | Mini-Circuits |
| Part Status | Active | Active |
| Frequency | 0Hz ~ 4GHz | 0Hz ~ 5GHz |
| P1d B | 18.2dBm | 16.4dBm |
| Gain | 12.3dB | 12dB |
| Noise Figure | 4.5dB | 4.4dB |
| RF Type | Cellular, PCS | Cellular, PCS |
| Voltage - Supply | 4.6V ~ 5.6V | 4.3V ~ 4.85V |
| Supply Current | 70mA | 65mA |
| Test Frequency | 1GHz | 2GHz |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between GALI-6+ and GALI-49+?
Both are Mini-Circuits monolithic amplifiers in SOT-89 packages, but they differ in gain, output power, and frequency range. The GALI-6+ offers higher gain and output power, while the GALI-49+ provides a lower-noise, lower-power option. Exact limits should be confirmed against the latest Mini-Circuits datasheets.
Are GALI-6+ and GALI-49+ pin-compatible?
Yes. Both devices are supplied in the same SOT-89 package with the same pinout, so they are footprint-compatible. Electrical differences still require circuit-level verification before substitution.
Which part has higher gain, GALI-6+ or GALI-49+?
The GALI-6+ provides higher gain than the GALI-49+ across its specified operating band. Designers should consult the Mini-Circuits datasheets for the exact gain versus frequency curves.
Which part delivers higher output power?
The GALI-6+ delivers higher output power (P1dB and saturated output) than the GALI-49+. The GALI-49+ is optimized for lower power consumption and lower noise rather than maximum output.
Can GALI-49+ replace GALI-6+ in an existing design?
Not directly without evaluation. Although the packages are pin-compatible, the lower gain and output power of the GALI-49+ may not meet the original design's requirements. Gain, P1dB, noise figure, and bias must be re-verified.
What is the typical supply voltage and current for these amplifiers?
Both GALI-6+ and GALI-49+ are internally biased and operate from a single positive supply, typically in the 5 V range with internal matching and bias circuitry. Exact voltage and current ratings must be taken from the official Mini-Circuits datasheets.
Are GALI-6+ and GALI-49+ RoHS compliant?
Mini-Circuits GALI-series amplifiers are generally offered in RoHS-compliant versions. Compliance status should be confirmed from the specific product datasheet or Mini-Circuits environmental documentation.
In what applications is GALI-49+ preferred over GALI-6+?
The GALI-49+ is typically chosen where lower noise figure and lower power consumption are more important than maximum gain or output power, such as in receiver front ends. The GALI-6+ is preferred when higher gain and output power are required.