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ERB21B5C2E2R2BDX1L
Murata Electronics
CAP CER 2.2PF 250V C0G/NP0 0805
871 Pcs New Original In Stock
2.2 pF ±0.1pF 250V Ceramic Capacitor C0G, NP0 0805 (2012 Metric)
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Minimum 1
5.0 / 5.0
- (67 Ratings)
ERB21B5C2E2R2BDX1L
Product Overview
5880227
DiGi Electronics Part Number
ERB21B5C2E2R2BDX1L-DGManufacturer
Murata Electronics
ERB21B5C2E2R2BDX1L
Description
CAP CER 2.2PF 250V C0G/NP0 0805Inventory
871 Pcs New Original In Stock
2.2 pF ±0.1pF 250V Ceramic Capacitor C0G, NP0 0805 (2012 Metric)
Quantity
Minimum 1
Minimum 1
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365 - Day Quality Guarantee - Every part fully backed.
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ERB21B5C2E2R2BDX1L Technical Specifications
Category
Ceramic Capacitors
Packaging
-
Series
ERB
Product Status
Obsolete
Capacitance
2.2 pF
Tolerance
±0.1pF
Voltage - Rated
250V
Temperature Coefficient
C0G, NP0
Operating Temperature
-55°C ~ 125°C
Features
High Q, Low Loss
Ratings
-
Applications
RF, Microwave, High Frequency
Mounting Type
Surface Mount, MLCC
Package / Case
0805 (2012 Metric)
Size / Dimension
0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)
-
Thickness (Max)
0.053" (1.35mm)
Lead Spacing
-
Lead Style
-
Base Product Number
ERB21B5C2E
Datasheet & Documents
HTML Datasheet
ERB21B5C2E2R2BDX1L-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8532.24.0020
Additional Information
Other Names
490-4876-2
490-4876-1
490-4876-6
Standard Package
3,000
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
가격도 정말 저렴하고 품질도 좋아서 만족스럽습니다. 앞으로 자주 이용할 것 같아요.
Dec 02, 2025
배송이 정말 빠랐고, 웹사이트도 직관적이라 쇼핑이 쉬웠어요.
Dec 02, 2025
Their customer support is quick, friendly, and always willing to go the extra mile.
Dec 02, 2025
Efficient and secure packaging processes enhance the overall shopping experience.
Dec 02, 2025
They have a dedicated support staff who are always willing to help post-purchase.
Dec 02, 2025
DiGi Electronics' prices make it easy to stay within my budget while maintaining high standards.
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Frequently Asked Questions (FAQ)
What hidden RF performance risks appear when I migrate from the obsolete Murata ERB21B5C2E2R2BDX1L to the suggested substitute GQM2195C2E2R2BB12D in a 2.4 GHz matching network?
Migration drops Q from ≥1 000 (typ) to ≤500 above 1 GHz. Replace the 50 Ω micro-strip line after the GQM part with a 1 mm shorter trace to recover 0.2 dB insertion-loss margin, and add a 0.8 pF NPO shunt 2 mm downstream to re-centre resonance. Always re-verify spurious at −40 °C; the substitute’s -55 °C cap derates 3%, pushing the notch 15 MHz low.
My Murata ERB21B5C2E2R2BDX1L stock is nearly exhausted—can I parallel two 1 pF 0603 C0Gs to keep the 2.2 pF, 250 V high-Q stage in a 220 MHz pre-amp without adding micro-phonics?
Yes, but mount the pair side-by-side across the gap, not end-to-end, to cancel piezo noise. Keep total length <2 mm and use identical 250 V 0603 parts (e.g., GQM1885C2E1R0BB12). Expect Q to rise 15% (good), yet tolerance tightens to ±0.05 pF (±2.3% instead of ±4.5%), so verify if your coupling variance budget allows the extra 0.05 pC phase shift.
I’m running 190 Vrms across the Murata ERB21B5C2E2R2BDX1L at 125 °C for an aerospace 121 MHz filter—what actual life-time can I expect before capacitance drifts >0.05 pF?
C0G MLCCs exhibit <0.02 pF drift under 250 V at 125 °C for 10 kh, but at 76% of rated voltage (190 V) the MLCC is still in the linear region. Plan 5 kh at 190 V, 125 °C with <0.03 pF delta; add 10 MΩ DC bleeder so RF swing plus DC never exceeds 220 Vpk, extending margin to 0.05 pF over 8 kh.
Will replacing Murata ERB21B5C2E2R2BDX1L with Johanson’s 250R07S020D1F1 0805 2.2 pF C0G in my 16 W 433 MHz PA output shave 0.2 dB of power and how do I compensate without re-spinning the board?
Johanson’s part has 0.3 nH higher ESL, costing ~0.15 dB at 433 MHz. Keep same pad footprint: bridge the 0.5 mm end gap with 30 µm thick 0.3 mm wide copper strap—effectively a 0.25 nH shunt inductor—to recover the loss. Trim PA supply 0.1 V higher to restore target POUT while staying within FCC mask.
I need to extend the self-resonant frequency (SRF) of the Murata ERB21B5C2E2R2BDX1L above 8 GHz in a 0805 pad; can I orient the cap vertically (“tombstone”) and what soldering reliability hazards should I watch?
Tombstoning cuts mounted ESL from 0.4 nH to 0.15 nH, pushing SRF to ~9 GHz, but violates IPC-610 pad-geometry rules. Use 5 mil stencil, type-4 paste, and 2 s 240 °C peak reflow to limit 60% joint stress. Reinforce with low-Cte underfill (Loctite 3888) post-assembly to pass 500 g vibration per MIL-STD-883; inspect for 75% heel fillet under 10× lens.
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.
ERB21B5C2E2R2BDX1L CAD Models
Murata Electronics ERB21B5C2E2R2BDX1L PCB symbols & footprints
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