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2904-12-321
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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 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.

2904-12-321

RELAY RF SPST-NO 500MA 12V
Coto Technology · High Frequency (RF) Relays · BOM Matching
Mfr. Part Number
2904-12-321
Manufacturer
Coto Technology
Datasheet
Datasheet
Description
RELAY RF SPST-NO 500MA 12V
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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2904-12-321
Coto Technology
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In Stock3,755
Unit
Price
$16.37
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Reference Price
QuantityPrice
1$ 16.3700
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-20 · Valid as reference until 2026-09-27 · Request RFQ for live stock.
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Specification Summary

Coil Voltage
12VDC
Must Operate Voltage
9 VDC
Must Release Voltage
1 VDC
Switching Voltage
200VAC, 200VDC - Max
Coil Current
8 mA
Contact Rating (Current)
500 mA
Operating Temperature
-20°C ~ 85°C
Mounting Type
Through Hole
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 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Features
-
Mounting Type
Through Hole
Operating Temperature
-20°C ~ 85°C
Coil Current
8 mA
Coil Type
Non Latching
Coil Voltage
12VDC
Contact Form
SPST-NO (1 Form A)
Contact Rating (Current)
500 mA
Must Operate Voltage
9 VDC
Must Release Voltage
1 VDC
Operate Time
0.5 ms
Release Time
0.1 ms
Switching Voltage
200VAC, 200VDC - Max
Termination Style
PC Pin
RELAY RF SPST-NO 500MA 12V
Brand Introduction

Coto Technology is the world leader in Small Signal Switching Solutions, providing high quality products and application design support to customers in a broad range of markets including Automatic Test Equipment, Data Acquisition, Instrumentation, Process Control, Telecommunications, Consumer, Medical and Security markets.

Product lines include Classic Reed Relays, Molded Reed Switches and CotoMOS® Solid State Relays.

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Buying FAQ — 2904-12-321

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

How do I buy 2904-12-321 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes 2904-12-321. 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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