MMZ25332B4T1 - 2W InGaP HBT RF Amplifier 1427-2700MHz | NXP
MPN: MMZ25332B4T1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.85 | $14.85 |
| 10 | $13.4 | $134.00 |
| 100 | $11.95 | $1,195.00 |
| 500 | $10.55 | $5,275.00 |
| 1,000 | $9.3 | $9,300.00 |
MMZ25332B4T1 Overview
A power amplifier (PA) is a critical analog building block in the RF transmit chain of wireless infrastructure. Its role is to take a low-power modulated signal from the transceiver and deliver it to the antenna at the required linear output power, while maintaining signal fidelity (EVM, ACPR) and minimizing DC consumption. Linear PAs based on InGaP HBT (Indium Gallium Phosphide Heterojunction Bipolar Transistor) on GaAs substrates are the workhorse of cellular infrastructure because they offer excellent linearity, mature manufacturing, and good thermal performance compared to GaAs pHEMT or silicon LDMOS alternatives in the sub-3 GHz range.
Key features of the MMZ25332B4T1 include a P1dB of 33 dBm (about 2 W), small-signal gain exceeding 26.5 dB across the full band, an integrated active bias network, and 50 ohm matched RF input and output that simplify PCB layout. The 5 V supply rail reduces system-level power-conversion complexity versus the more common 28-30 V LDMOS rails used in higher-power macro cells, making the part particularly suited to small-cell designs where board area and energy efficiency matter more than absolute output power.
Internally, the MMZ25332B4 uses two cascaded gain stages with on-chip matching, with a portion of the output matching network tunable via external components to optimize performance in specific sub-bands. The HVQFN-24 package provides a low thermal resistance path, allowing sustained CW or pulsed operation at the rated output power with proper PCB thermal design. The InGaP HBT process also gives excellent ruggedness under high VSWR (voltage standing wave ratio) mismatch.
Typical applications include small-cell and picocell base stations, LTE/W-CDMA/TD-SCDMA driver stages, repeater and booster RF chains, and 4G/5G (sub-6 GHz) infrastructure in the 1.5 to 2.7 GHz range. Its broadband gain profile also makes it a candidate for multi-standard radio front-ends that must cover several cellular bands with a single PA footprint.
When designing with this device, follow NXP's reference PCB layout, including the recommended thermal via pattern under the exposed pad and the bias sequencing on the VBIAS pin. Decouple VCC aggressively with ceramic capacitors close to the supply leads, and ensure 50 ohm transmission lines are length-correct to the in/out pins to avoid gain ripple.
This page synthesizes the manufacturer datasheet, distributor pricing snapshots, and a curated set of drop-in alternatives (same NXP family members first, then pin-compatible cross-brand options where available) into a single engineering reference not found in any single vendor catalog.
Drop-in alternatives for MMZ25332B4T1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MMZ25332B4T3
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MMZ25332B4T1G
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MMZ25332B4R2
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MMZ25332B4T1
✅ Drop-In✓ In Stock
$9.3 / Unit
View Datasheet →MMZ25332B4T3G
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MMZ25332B4T1 Maximum Ratings & Electrical Characteristics
| Manufacturer | NXP Semiconductors |
| Part Number | MMZ25332B4T1 |
| Device Type | RF Power Amplifier (2-stage InGaP HBT) |
| Technology | InGaP GaAs HBT |
| Frequency Range | 1427 MHz to 2700 MHz |
| Small-Signal Gain | > 26.5 dB |
| P1dB (Output Power) | 33 dBm (typ, ~2 W) |
| Supply Voltage (VCC) | 5 V |
| RF Input / Output Impedance | 50 ohm (matched on-chip) |
| Package | 24-HVQFN (4x4 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
MMZ25332B4T1 Pin Configuration
| Pin 1 | GND — Ground (exposed pad also serves as main thermal/ground) |
| Pin 2 | RFIN — RF input, 50 ohm matched |
| Pin 3 | GND — Ground |
| Pin 4 | VCC1 — Stage 1 supply, 5 V nominal |
| Pin 5 | GND — Ground |
| Pin 6 | VBIAS — Active bias reference |
| Pin 7 | GND — Ground |
| Pin 8 | GND — Ground |
| Pin 9 | GND — Ground |
| Pin 10 | GND — Ground |
| Pin 11 | GND — Ground |
| Pin 12 | GND — Ground |
| Pin 13 | VCC2 — Stage 2 (output) supply, 5 V nominal |
| Pin 14 | GND — Ground |
| Pin 15 | RFOUT — RF output, 50 ohm matched |
| Pin 16 | GND — Ground |
| Pin 17 | GND — Ground |
| Pin 18 | GND — Ground |
| Pin 19 | GND — Ground |
| Pin 20 | GND — Ground |
| Pin 21 | GND — Ground |
| Pin 22 | GND — Ground |
| Pin 23 | GND — Ground |
| Pin 24 | GND — Ground |
Typical Applications
MMZ25332B4T1 is suitable for 6 applications: Small-Cell and Picocell Base Station Final Stage, Macro Cell Driver / Pre-Driver Stage, Cellular Repeater and Signal Booster RF Chain, WLAN 802.11b/g/n 2.4 GHz Driver, Multi-Standard Cellular Radio Front-End, Industrial RF Power Module for 1.5-2.7 GHz Telemetry.
Small-Cell and Picocell Base Station Final Stage
The MMZ25332B4T1's 33 dBm P1dB and broadband 1427-2700 MHz coverage make it an excellent final-stage PA for outdoor small-cell and indoor picocell base stations covering LTE Band 1/3/7, W-CDMA, and TD-SCDMA. At 5 V supply and 2 W output it provides the linear power required for 2x2 MIMO small-cell radios while simplifying power-conversion design versus 28 V LDMOS rails. Placed between the transceiver and the duplexer/filter, its > 26.5 dB small-signal gain gives the design headroom to operate below P1dB for the required EVM/ACPR, keeping efficiency and thermal dissipation within picocell chassis limits.
Recommended
Macro Cell Driver / Pre-Driver Stage
The MMZ25332B4T1 functions as a high-gain driver or pre-driver in front of an LDMOS final-stage PA in 4G/5G macro base stations operating in the 1.5-2.7 GHz range. Its > 26.5 dB gain and 33 dBm output comfortably drive the input of a 30-60 W LDMOS stage to its rated gain region, while its InGaP HBT linearity preserves signal quality through the chain. Using a 5 V rail for the driver simplifies sequencing with the rest of the small-signal analog section and avoids the need for an additional high-current supply stage close to the final LDMOS PA.
Recommended
Cellular Repeater and Signal Booster RF Chain
In wideband repeaters, fiber-fed DAS (distributed antenna system) nodes, and customer-premises signal boosters, the MMZ25332B4T1 provides the linear output power required to drive multi-band antennas across 1427-2700 MHz without band-specific tuning. Its broadband gain profile allows a single PA footprint to cover several licensed cellular bands plus the 2.4 GHz ISM region, reducing BOM cost and tuning time. The integrated 50 ohm matching and active bias network further minimize the external component count, which is critical in compact booster enclosures.
Recommended
WLAN 802.11b/g/n 2.4 GHz Driver
Within the upper end of its band, the MMZ25332B4T1 can serve as a high-linearity driver for 2.4 GHz WLAN (802.11b/g/n) infrastructure such as enterprise APs, mesh backhaul nodes, and outdoor Wi-Fi bridges. The InGaP HBT process delivers excellent EVM performance under OFDM-like signals while sustaining the 33 dBm output required for long-range links. A small back-off from P1dB keeps distortion well below 802.11n error-vector magnitude limits while still achieving practical link budgets at extended range.
Recommended
Multi-Standard Cellular Radio Front-End
Multi-standard radios that must support LTE, W-CDMA, and TD-SCDMA simultaneously across several sub-bands benefit from the MMZ25332B4T1's broadband gain. A single PA can be shared across multiple band paths with band-specific external matching components at the output, reducing the number of PA devices in the BOM. The InGaP HBT ruggedness under high VSWR also improves field reliability when antennas are mismatched due to deployment conditions.
Recommended
Industrial RF Power Module for 1.5-2.7 GHz Telemetry
Beyond cellular infrastructure, the MMZ25332B4T1's broadband 33 dBm output suits industrial telemetry links, unlicensed 2.4 GHz ISM band data radios, and private LTE/5G campus networks operating in CBRS or similar mid-band allocations. Its 5 V supply enables integration into industrial 5 V or 12 V (post-regulation) power trees, and the small HVQFN-24 footprint simplifies embedding into compact industrial radio modules. Designers should still respect the duty cycle and thermal constraints outlined in the NXP datasheet MMZ25332B4.pdf for sustained industrial-duty transmission.
Recommended
Recommended Products Summary
Engineering reference data for MMZ25332B4T1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MMZ25332B4T3 | MMZ25332B4T1G | MMZ25332B4R2 | MMZ25332B4T3G |
|---|---|---|---|---|---|
| Package | 24-HVQFN (4x4 mm) | 24-HVQFN (4x4 mm) - same | 24-HVQFN (4x4 mm) - same | 24-HVQFN (4x4 mm) - same | 24-HVQFN (4x4 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Frequency Range | 1427-2700 MHz | 1427-2700 MHz | 1427-2700 MHz | 1427-2700 MHz | 1427-2700 MHz |
| Small-Signal Gain | > 26.5 dB | > 26.5 dB | > 26.5 dB | > 26.5 dB | > 26.5 dB |
| Output Power (P1dB) | 33 dBm (~2 W) | 33 dBm (~2 W) | 33 dBm (~2 W) | 33 dBm (~2 W) | 33 dBm (~2 W) |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| Technology | InGaP GaAs HBT | InGaP GaAs HBT | InGaP GaAs HBT | InGaP GaAs HBT | InGaP GaAs HBT |
| RoHS / Lead-Free | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
Key Differentiators
- 5 V supply rail simplifies power-conversion design (vs Typical 28-30 V LDMOS macro-cell PA)
- Broadband 1427-2700 MHz coverage in a single part (vs Narrow-band PAs tuned to a single cellular band)
- On-chip 50 ohm matching at RF input and output (vs PAs requiring external matching networks)
Design Notes
The MMZ25332B4T1 is rated for 2 W continuous RF output from a 5 V rail, which means the die must dissipate roughly 1-3 W depending on output power and efficiency. The 24-pin HVQFN (4x4 mm) package relies on the central exposed pad for thermal transfer. Solder the exposed pad to a continuous ground copper pour with an array of thermal vias (NXP's reference design uses 9-16 vias on a 1.0-1.2 mm pitch). Without this thermal path, junction temperature can rise rapidly and the integrated thermal shutdown will trigger, causing EVM and output-power degradation in production.
The RF input and output traces must be 50 ohm controlled-impedance transmission lines (typically grounded coplanar waveguide on a standard FR-4 stack-up). Keep RF traces short, avoid routing them under the package, and place RF bypass capacitors as close as possible to VCC1, VCC2, and VBIAS pins. NXP recommends dedicated bias feed resistors and a small RC network on VBIAS to set the quiescent current - follow the reference schematic in the MMZ25332B4 datasheet, section on application circuits, rather than substituting values without re-evaluation.
Estimated: at 33 dBm output (2 W) and 5 V supply, total DC draw at typical 35-45% PAE is roughly 1.1-1.4 A. Designers must size the PCB power traces and decoupling network accordingly - undersized traces will cause supply droop and degraded linearity. Also note that VBIAS sets the quiescent operating point; if VBIAS is left floating or set incorrectly, the PA may draw excessive current without producing rated output, leading to thermal runaway. Always sequence VBIAS before or simultaneously with VCC.
Compliance Information
RoHS and lead-free confirmed per NXP product page and DigiKey listing. Halogen-free status not explicitly stated in verified web data. AEC-Q100 not applicable - this is an RF power amplifier for infrastructure, not an automotive-grade part.
