NXP Semiconductors BLP8G10S-45PJ

Overview

BLP8G10S-45PJ from Ampleon is a dual-path 45 W LDMOS power transistor designed for base station RF final-stage amplification in 700–1000 MHz bands. It delivers 20.8 dB power gain, 19.8% drain efficiency, and −49 dBc adjacent channel power ratio at 2.5 W output under 2-carrier W-CDMA test conditions (960 MHz, V_DS = 28 V, T_case = 25 °C), enabling high-linearity macrocell infrastructure deployment.

For engineers reviewing the BLP8G10S-45PJ datasheet, BLP8G10S-45PJ pinout, BLP8G10S-45PJ application, or BLP8G10S-45PJ equivalent, key selection criteria include broadband 700–1000 MHz operation, ruggedness against 10:1 VSWR mismatch, integrated ESD protection (CDM Class C2A/HBM Class 1C), thermal resistance of 0.85 K/W, and SOT1223-4 surface-mount heatsink package compatibility.

Technical Context

This dual-path LDMOS device operates in common-source class-AB configuration with fixed bias (I_Dq = 224 mA) and supports simultaneous RF amplification across two independent signal paths. Its design targets wideband cellular infrastructure where high peak-to-average ratio (PAR = 8.4 dB) signals demand both linearity and thermal stability.

The transistor features gate-source threshold voltage of 1.9 V (typ), drain-source breakdown voltage ≥65 V, forward transconductance of 3.0 S (typ), and drain-source on-resistance ≤500 mΩ - all optimized for robust, high-efficiency RF power delivery in multi-standard base stations supporting W-CDMA, LTE, and GSM.

Key Specifications

Pinout & Package

BLP8G10S-45PJ uses the SOT1223-4 plastic heatsink small-outline package (20.57 × 18.01 mm footprint, exposed metal flange for thermal conduction). The 5-terminal layout places both drains and gates on the front edge, with shared source terminal and flange-connected ground path.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF power transistor applications.

Compared with BLP8G10S-45PG and MRF6VP11KHR5, the BLP8G10S-45PJ offers optimal balance of dual-path integration, 700–1000 MHz coverage, built-in ESD hardening, and compact SOT1223-4 packaging - making it the preferred choice for mid-power, multi-band, thermally constrained base station modules.

Availability

BLP8G10S-45PJ is available at Aetrix Electronics and suitable for macrocell base station transmitters, remote radio units (RRUs), distributed antenna systems (DAS), and outdoor small cell deployments requiring stable component supply and long-lifecycle support.

Supply support for BLP8G10S-45PJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Ampleon Netherlands B.V. is a global leader in RF power semiconductors, spun off from NXP in 2015, specializing in high-efficiency LDMOS and GaN solutions for wireless infrastructure.

The BLP8G10S-45PJ belongs to Ampleon's BLP family of dual-path LDMOS transistors engineered specifically for cost-sensitive, thermally demanding macrocell and RRU applications in 700–1000 MHz cellular bands.

FAQ

What is the maximum continuous drain-source voltage rating for BLP8G10S-45PJ?

The BLP8G10S-45PJ has an absolute maximum drain-source voltage (V_DS) rating of 65 V, as defined by IEC 60134 limiting values. This rating ensures safe operation under transient voltage spikes common in RF power amplifier circuits, provided proper gate drive and bias sequencing are maintained per Ampleon's application guidelines for the BLP8G10S-45PJ.

Does BLP8G10S-45PJ require external ESD protection during PCB assembly?

No, the BLP8G10S-45PJ integrates ESD protection rated to CDM Class C2A (500 V) and HBM Class 1C (1000 V), eliminating the need for external TVS diodes or series resistors in standard SMT assembly processes. However, standard ESD handling precautions per ANSI/ESD S20.20 must still be observed during manual handling and rework of the BLP8G10S-45PJ.

What is the recommended gate bias voltage for class-AB operation of BLP8G10S-45PJ?

The BLP8G10S-45PJ is characterized at I_Dq = 224 mA, which corresponds to a gate-source voltage (V_GS) of approximately 1.9 V (typical threshold) plus sufficient overdrive to achieve that quiescent current. Ampleon's production circuit uses stable gate bias networks to maintain this point across temperature; exact V_GS depends on individual device variation but falls within 1.5–2.3 V per the BLP8G10S-45PJ datasheet.

Can BLP8G10S-45PJ operate reliably at 150 °C case temperature?

Yes, the BLP8G10S-45PJ is rated for continuous operation at T_case = 150 °C, with a maximum junction temperature of 225 °C. At this case temperature, derating curves show maintained RF performance (e.g., −43 dBc ACPR min, 18% η_D min), confirming suitability for sealed, passively cooled outdoor enclosures where ambient temperatures exceed 70 °C.

What is the thermal resistance from junction to case for BLP8G10S-45PJ?

The BLP8G10S-45PJ has a typical thermal resistance R_th(j-case) of 0.85 K/W when measured at T_case = 85 °C and P_L = 5 W. This value is measured across the entire device and reflects the efficiency of heat transfer from the silicon die through the package flange to the heatsink - a critical parameter for predicting junction temperature rise in real-world BLP8G10S-45PJ deployments.