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RF15N0R5A500CT
Walsin Technology Corporation
CAP CER 0.5PF 50V C0G/NP0 0402
35337 Pcs New Original In Stock
0.5 pF ±0.05pF 50V Ceramic Capacitor C0G, NP0 0402 (1005 Metric)
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5.0 / 5.0
- (59 Ratings)
RF15N0R5A500CT
Product Overview
10393034
DiGi Electronics Part Number
RF15N0R5A500CT-DGManufacturer
Walsin Technology Corporation
RF15N0R5A500CT
Description
CAP CER 0.5PF 50V C0G/NP0 0402Inventory
35337 Pcs New Original In Stock
0.5 pF ±0.05pF 50V Ceramic Capacitor C0G, NP0 0402 (1005 Metric)
Quantity
Minimum 1
Minimum 1
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RF15N0R5A500CT Technical Specifications
Category
Ceramic Capacitors
Packaging
Tape & Reel (TR)
Series
RF
Product Status
Active
Capacitance
0.5 pF
Tolerance
±0.05pF
Voltage - Rated
50V
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
0402 (1005 Metric)
Size / Dimension
0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)
-
Thickness (Max)
0.022" (0.55mm)
Lead Spacing
-
Lead Style
-
Datasheet & Documents
HTML Datasheet
RF15N0R5A500CT-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-RF15N0R5A500CTTR
Standard Package
10,000
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)
Dec 02, 2025
배송이 빨라서 기대 이상이었고, 후속 조치도 빠르고 친절했어요.
Dec 02, 2025
每次來這裡都很愉快，價格合理，服務親切，品質可靠。
Dec 02, 2025
Ils se distinguent par leur professionnalisme et leur souci d’offrir des produits de qualité supérieure.
Dec 02, 2025
Leur organisation logistique contribue à une expérience client sans stress.
Dec 02, 2025
ショップの信頼性が高く、リピート確定です。品質と価格には本当に満足しています。
Dec 02, 2025
The combination of abundant inventory and attentive after-sales support is unbeatable.
Dec 02, 2025
Shopping here is a pleasant experience, thanks to their price transparency and reliable support.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the RF15N0R5A500CT in high-power RF matching networks, and how can layout mitigate them?
The RF15N0R5A500CT’s ultra-low ESR and high Q make it ideal for RF matching, but its 0402 package has limited thermal mass and current-carrying capability. Under high RF power, localized heating at terminations can cause mechanical stress or solder joint fatigue. To mitigate this, ensure symmetrical pad design, use thermal relief vias near pads, and avoid placing the capacitor directly over ground plane splits. Keep trace lengths short and matched to maintain impedance control—excess inductance from long traces can shift resonance and increase voltage stress beyond the 50V rating under reactive loads.
Can I replace the RF15N0R5A500CT with a C0G/NP0 0.5pF capacitor from another manufacturer like Kemet or TDK in a 2.4GHz front-end circuit without retuning?
While the CBR04C508A5GAC (Kemet) is a listed substitute and shares similar specs, subtle differences in parasitic inductance due to internal electrode structure and terminal geometry can affect performance at 2.4GHz. The RF15N0R5A500CT’s optimized RF series design minimizes ESL, which may not be identically replicated. We recommend bench validation: measure S-parameters or VSWR before and after substitution. If impedance matching is critical (e.g., LNA input or PA output), even small shifts in effective capacitance due to mounting parasitics may require minor tuning of adjacent components.
How does board-level mechanical stress impact the long-term stability of the RF15N0R5A500CT in automotive or industrial environments?
The RF15N0R5A500CT uses a brittle ceramic dielectric, making it susceptible to microcracks from PCB flexure or thermal cycling in harsh environments. In automotive under-hood or industrial vibration-prone applications, repeated stress can cause intermittent opens or capacitance drift. Mitigate by avoiding placement near board edges, connectors, or large components that induce bending. Use conformal coating to reduce moisture ingress and consider strain-relief routing. For mission-critical RF paths, perform HALT (Highly Accelerated Life Testing) with thermal shock (-55°C to 125°C) to validate robustness over the full operating range.
Is the RF15N0R5A500CT suitable for use in high-density RF PCBs with ground planes directly beneath it, and what are the trade-offs?
Yes, but with caution. Placing a solid ground plane directly under the RF15N0R5A500CT increases parasitic capacitance to ground, effectively altering the net capacitance in high-impedance nodes—especially problematic in oscillator tanks or filter circuits. While this improves shielding and reduces EMI, it may detune the circuit. Use electromagnetic simulation (e.g., Ansys HFSS or Keysight ADS) to model the stack-up. If space allows, maintain a small keep-out area (≥0.5mm) beneath the capacitor or use a co-planar waveguide layout with controlled reference planes to balance performance and density.
What design considerations should I prioritize when selecting the RF15N0R5A500CT over higher-capacitance alternatives in a 5G mmWave bias tee application?
In mmWave bias tees, the RF15N0R5A500CT’s 0.5pF value minimizes loading on the RF path while blocking DC, but its small size increases sensitivity to mounting parasitics. Prioritize minimizing loop inductance by using shortest possible traces and co-locating with the active device. Avoid vias if possible; if required, use multiple small vias in parallel to reduce inductance. Ensure the DC feed inductor has sufficient self-resonant frequency (SRF) above your band—otherwise, interaction with the capacitor’s ESL can create unintended resonances. Validate stability across temperature, as C0G/NP0 stability ensures the 0.5pF value remains within ±0.05pF from -55°C to 125°C, critical for consistent bias isolation.
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.
RF15N0R5A500CT CAD Models
Walsin Technology Corporation RF15N0R5A500CT PCB symbols & footprints
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