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251-05000
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-09-19. Confirm live availability and unit price via RFQ before placing a PO.

251-05000

CRYSTAL 5.0000MHZ 20PF TH
Parallax, Inc. · Crystals · BOM Matching
Mfr. Part Number
251-05000
Manufacturer
Parallax, Inc.
Package / Case
HC-49/US
Datasheet
Datasheet
Description
CRYSTAL 5.0000MHZ 20PF TH
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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251-05000
Parallax, Inc.
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In Stock9,553
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Price
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Reference Price
QuantityPrice
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-19 · Valid as reference until 2026-09-26 · Request RFQ for live stock.
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Specification Summary

Package / Case
HC-49/US
Frequency
5 MHz
Frequency Stability
±50ppm
Frequency Tolerance
±30ppm
Operating Temperature
-10°C ~ 70°C
Mounting Type
Through Hole
ESR (Equivalent Series Resistance)
120 Ohms
Height - Seated (Max)
0.138" (3.50mm)
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-19. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Load Capacitance
20pF
ESR (Equivalent Series Resistance)
120 Ohms
Operating Mode
Fundamental
Mounting Type
Through Hole
Operating Temperature
-10°C ~ 70°C
Size / Dimension
0.447" L x 0.183" W (11.35mm x 4.65mm)
Type
MHz Crystal
Frequency Stability
±50ppm
Frequency Tolerance
±30ppm
Frequency
5 MHz
Height - Seated (Max)
0.138" (3.50mm)
Package / Case
HC-49/US
Ratings
-
CRYSTAL 5.0000MHZ 20PF TH
Brand Introduction

Parallax, Inc. manufactures microcontrollers and microcontroller development tools. LCDs, AppKits and other related products are also available. Parallax, Inc. produces BASIC Stamp® single-board computers as well as development tools for PIC12/16Cxx® microcontrollers.

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Buying FAQ — 251-05000

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy 251-05000 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes 251-05000. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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