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MD7IC2755NR1
NXP USA Inc.
IC RF AMP WIMAX 2.7GHZ TO270
1861 Pcs New Original In Stock
RF Amplifier IC WiMax 2.7GHz TO-270 WB-14
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5.0 / 5.0
- (98 Ratings)
MD7IC2755NR1
Product Overview
7221523
DiGi Electronics Part Number
MD7IC2755NR1-DGManufacturer
NXP USA Inc.
MD7IC2755NR1
Description
IC RF AMP WIMAX 2.7GHZ TO270Inventory
1861 Pcs New Original In Stock
RF Amplifier IC WiMax 2.7GHz TO-270 WB-14
Quantity
Minimum 1
Minimum 1
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MD7IC2755NR1 Technical Specifications
Category
RF Amplifiers
Packaging
-
Series
-
Product Status
Obsolete
Frequency
2.7GHz
P1dB
44.8dBm
Gain
25dB
Noise Figure
-
RF Type
WiMax
Voltage - Supply
28V
Current - Supply
275mA
Test Frequency
2.7GHz
Mounting Type
Chassis Mount
Package / Case
TO-270-14 Variant, Flat Leads
Supplier Device Package
TO-270 WB-14
Base Product Number
MD7IC2755
Datasheet & Documents
HTML Datasheet
MD7IC2755NR1-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.33.0001
Additional Information
Other Names
935316507528
2832-MD7IC2755NR1
Standard Package
500
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
產品質量讓我很滿意，耐用性非常好，值得投資。
de desembre 02, 2025
Leur gamme offre une grande fiabilité à des prix qui défient la concurrence.
de desembre 02, 2025
Their post-sales support made the entire shopping experience enjoyable.
de desembre 02, 2025
Filling out purchase details was hassle-free thanks to the intuitive interface.
de desembre 02, 2025
The innovative packaging solutions not only protected my order but also inspired my creative projects.
de desembre 02, 2025
I like how the website highlights new features clearly to keep me updated.
de desembre 02, 2025
DiGi Electronics products have never failed me, demonstrating excellent quality and reliability.
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Frequently Asked Questions (FAQ)
Can the MD7IC2755NR1 be used as a drop-in replacement for the A3I20X050NR1 in a 2.7GHz WiMax base station design, and what are the key integration risks?
The MD7IC2755NR1 is not a direct drop-in replacement for the A3I20X050NR1 due to differences in biasing requirements and gain profile, despite both operating at 2.7GHz. The MD7IC2755NR1 requires a 28V supply and delivers 25dB gain with 44.8dBm P1dB, whereas the A3I20X050NR1 operates at a lower voltage and has different input matching. When replacing, redesign the gate bias network and verify stability across the band using S-parameter models. Pay close attention to thermal management since the MD7IC2755NR1 uses a TO-270 WB-14 chassis-mount package; inadequate heatsinking could lead to premature failure in high ambient environments.
What are the main design-in considerations for the MD7IC2755NR1 given its obsolete status and MSL3 moisture sensitivity?
Designing with the MD7IC2755NR1 requires mitigating obsolescence and assembly risks. Since the product is marked as obsolete, secure a long-term supply or consider last-time buy options with authenticated stock. Its MSL3 rating (168-hour floor life) demands strict control during assembly—bake if exposed beyond limit and use within 72 hours post-baking. Use nitrogen reflow or low-moisture processes to prevent popcorning. Also, document the alternative path early, such as evaluating pin-compatible successors or redesigning with modern GaN-based amplifiers to avoid future supply disruptions.
How does the 28V supply requirement of the MD7IC2755NR1 impact system-level power design in outdoor WiMax deployments?
The MD7IC2755NR1’s 28V supply and 275mA current draw (7.7W total) increase thermal and power delivery complexity, especially in outdoor enclosures with limited cooling. Designers must ensure the 28V rail is well-filtered and stable under load transients to prevent gain modulation. Use shielded inductors and low-ESR capacitors near the supply pin. Derate the thermal design for ambient temperatures above 50°C—verify heatsink performance with CFD or testing. Consider efficiency trade-offs versus modern 12V GaAs alternatives, which may simplify DC-DC conversion and reduce thermal hotspots in dense RF panels.
What are the reliability risks of using the MD7IC2755NR1 in high-humidity environments, and how can they be mitigated?
The MD7IC2755NR1’s TO-270 WB-14 package and MSL3 rating make it susceptible to moisture ingress and intermetallic corrosion in high-humidity environments. Condensation can lead to leakage currents or degraded RF performance over time. To mitigate, conformal coat the PCB around the device (avoiding the case top if it’s a heatsink path), use sealed enclosures with desiccant, and ensure the chassis ground provides a continuous moisture barrier. Validate long-term reliability with 85°C/85% RH testing for 1000 hours, monitoring gain and P1dB drift as failure indicators.
How critical is input matching network design when integrating the MD7IC2755NR1 in a 2.7GHz WiMax power amplifier stage?
Input matching is critical for the MD7IC2755NR1 to achieve specified 25dB gain and 44.8dBm P1dB while maintaining stability. The device has a low input impedance that varies with bias and temperature—use manufacturer S-parameters and simulate across process and temperature corners. Include gate stopper resistors and RC networks to suppress low-frequency oscillations. Avoid narrow microstrip lines that compromise manufacturability; instead, use adjustable matching stubs during prototyping. Always verify match with a VNA and check for input return loss < -10dB at 2.7GHz to minimize reflected power and potential damage.
Quality Assurance (QC)
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MD7IC2755NR1 CAD Models
NXP USA Inc. MD7IC2755NR1 PCB symbols & footprints
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