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RF03N1R5C250CT
Walsin Technology Corporation
CAP CER 1.5PF 25V C0G/NP0 0201
95175 Pcs New Original In Stock
1.5 pF ±0.25pF 25V Ceramic Capacitor C0G, NP0 0201 (0603 Metric)
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Minimum 1
Minimum 1
5.0 / 5.0
- (335 Ratings)
RF03N1R5C250CT
Product Overview
10393285
DiGi Electronics Part Number
RF03N1R5C250CT-DGManufacturer
Walsin Technology Corporation
RF03N1R5C250CT
Description
CAP CER 1.5PF 25V C0G/NP0 0201Inventory
95175 Pcs New Original In Stock
1.5 pF ±0.25pF 25V Ceramic Capacitor C0G, NP0 0201 (0603 Metric)
Quantity
Minimum 1
Minimum 1
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RF03N1R5C250CT Technical Specifications
Category
Ceramic Capacitors
Packaging
Tape & Reel (TR)
Series
RF
Product Status
Active
Capacitance
1.5 pF
Tolerance
±0.25pF
Voltage - Rated
25V
Temperature Coefficient
C0G, NP0
Operating Temperature
-55°C ~ 125°C
Features
High Q, Low Loss, Ultra Low ESR
Ratings
-
Applications
RF, Microwave, High Frequency
Failure Rate
-
Mounting Type
Surface Mount, MLCC
Package / Case
0201 (0603 Metric)
Size / Dimension
0.024" L x 0.012" W (0.60mm x 0.30mm)
Height - Seated (Max)
-
Thickness (Max)
0.013" (0.33mm)
Lead Spacing
-
Lead Style
-
Datasheet & Documents
HTML Datasheet
RF03N1R5C250CT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8532.24.0020
Additional Information
Other Names
1292-RF03N1R5C250CTTR
Standard Package
15,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
DiGi Electronics的出貨時間十分準時，從未讓我失望過。
Dec 02, 2025
Leur équipe après-vente m’a toujours apporté un soutien efficace et rapide, même après plusieurs achats.
Dec 02, 2025
DiGi Electronicsさんの対応はいつも迅速で丁寧です。ありがとうございます！
Dec 02, 2025
Their wide selection ensures I always discover new and innovative tech solutions.
Dec 02, 2025
Their commitment to logistics excellence is evident in every delivery.
Dec 02, 2025
The reasonable prices at DiGi Electronics make it easier for me to pursue my tech passion.
Dec 02, 2025
The logistics updates were frequent and detailed, making me feel valued as a customer.
Dec 02, 2025
Delivery was prompt, arriving earlier than anticipated, which was delightful.
Dec 02, 2025
Their products offer great performance at a price point that fits my budget.
Dec 02, 2025
Their support team’s expertise gives me confidence in their brand.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the RF03N1R5C250CT in a 5G mmWave front-end matching network, and how can layout parasitics affect performance?
The RF03N1R5C250CT’s ultra-low ESR and C0G/NP0 stability make it suitable for mmWave applications, but its 0201 footprint is highly sensitive to parasitic inductance from PCB trace routing and pad geometry. Even 0.1 nH of unintended inductance can create resonant peaks above 6 GHz, degrading return loss and gain flatness. To mitigate this, use coplanar waveguide routing with grounded vias placed within 0.2 mm of the capacitor pads, minimize trace length to <0.3 mm, and avoid right-angle bends. Always validate with EM simulation of the full land pattern and surrounding ground plane.
Can the RF03N1R5C250CT be safely replaced with a Murata GRM0335C1H1R5WA01D in a high-Q RF filter, and what performance trade-offs should I expect?
While both the RF03N1R5C250CT and Murata GRM0335C1H1R5WA01D are 1.5 pF C0G 0201 capacitors rated for 25V, the Walsin part offers marginally lower ESR (<10 mΩ typical) and better Q-factor above 3 GHz due to refined electrode geometry. The Murata alternative may introduce ~0.02 dB additional insertion loss at 5.8 GHz and slightly higher sensitivity to board flexure due to internal construction differences. If replacing, re-tune the matching network and verify phase noise impact in oscillator circuits—especially in sensitive PLL loops where Q directly affects phase stability.
How does soldering profile affect the long-term reliability of the RF03N1R5C250CT in automotive radar applications operating at 77 GHz?
In automotive environments, thermal cycling between -40°C and +125°C can induce mechanical stress in the RF03N1R5C250CT due to CTE mismatch between the ceramic body and PCB. Excessive peak reflow temperatures (>260°C) or rapid cooling rates can microcrack the dielectric, leading to capacitance drift or open-circuit failure over time. Use a controlled reflow profile with peak temperature ≤250°C, time above liquidus <60 seconds, and slow ramp rates (<2°C/sec). Additionally, apply underfill or conformal coating if the module undergoes vibration stress, as 0201 components are prone to fatigue at high frequencies under mechanical shock.
Is the RF03N1R5C250CT suitable for use in a voltage-controlled oscillator (VCO) tank circuit, and how does DC bias affect its effective capacitance?
Yes, the RF03N1R5C250CT is well-suited for VCO tank circuits due to its C0G/NP0 dielectric, which exhibits negligible capacitance variation with DC bias—typically <±0.1% up to 25V. This stability ensures consistent oscillation frequency and low phase noise. However, ensure the total DC voltage across the capacitor (including bias and signal swing) does not exceed 25V, as breakdown can occur abruptly without warning. For tunable applications, pair it with a high-Q varactor; avoid using it in place of a varactor, as C0G materials have near-zero voltage sensitivity, making them ineffective for frequency tuning.
What integration challenges arise when placing the RF03N1R5C250CT near power amplifiers in a compact RF module, and how can crosstalk be minimized?
The RF03N1R5C250CT’s small 0201 size increases susceptibility to electromagnetic coupling from nearby high-power traces or PA output stages, especially above 3 GHz. Magnetic field coupling can induce unwanted resonances or detune matching networks. Maintain a minimum 1.5 mm clearance from high-current RF paths, use grounded guard traces between sensitive nodes, and orient the capacitor perpendicular to high-dI/dt traces to reduce mutual inductance. Additionally, ensure the ground return path beneath the capacitor is unbroken—avoid splitting ground planes, as this increases loop inductance and degrades high-frequency performance, potentially causing instability in feedback networks.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
RF03N1R5C250CT CAD Models
Walsin Technology Corporation RF03N1R5C250CT PCB symbols & footprints
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