Product details

Terminators are applied to an open end of a transmission line, e.g. an RF port, to prevent the back-reflection of an RF signal. They are used in a large variety of test and measurement, defense and communication applications

Name: 85218401
SKU: 85218401

China-sourced compatible alternative — fit confirmed by drawing/spec review.

Part number (MPN)

85218401

Impedance

50Ω

Frequency

0 GHz ... 4 GHz

Interface

SMB / jack (female)

Need a custom version from drawing?

We coordinate supplier-qualified RF connector and cable assembly sourcing from drawings, samples, or BOM. Typical production lead time is 3–6 weeks after drawing/spec review; feasibility, MOQ, and fit are confirmed by RFQ.

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Lead time: 3–6 wks | MOQ: 200+ pcs

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• Share the reference MPN and source brand if it matters.
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• Attach the drawing or the key fit requirements.

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Specifications

85218401

Specifications for 85218401
Interface	SMB / jack (female)
Impedance	50Ω
Frequency (max)	0 GHz ... 4 GHz
Termination	Bronze / Gold Plating
Termination	Brass / Tri-metal Plating
Body	Brass / Tri-metal Plating
Insulator	PFA / PTFE
VSWR	1.35
Return loss	16.5 dB
Average power	0.5 W at 25 °C ambient temperature. Linearly derated to 0.3 W at 65 °C ambient temperature.
Peak power	500 W peak power
Weight	0.006 kg

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Directive	RoHS 2011/65/EU and (EU) 2015/863
Rating	Free of SVHC >0,1%
Regulation	REACH 1907/2006 Article 33 SVHC

Description

Current reference data for 85218401: SMB / jack (female) · 50Ω · 0 GHz ... 4 GHz. Impedance is listed as 50Ω. If that parameter is critical, confirm it again in RFQ. Frequency is listed as 0 GHz ... 4 GHz. The real operating limit still depends on the assembly, mating pair, and application context. If mounting is missing here, confirm it from the drawing or mating requirement. Use this page to shortlist before RFQ, not as the final sign-off.

Use this page to shortlist before RFQ. MOQ 200+ custom production and supply path are confirmed after drawing/spec/BOM review; no spot stock is assumed.

Request Quote (RFQ)

B2B RFQ sourcing from China for compatible alternatives and supplier-coordinated custom production. MOQ 200+, typical lead time 3–6 weeks after drawing/spec/BOM review; no physical stock is promised.

Drawing / spec review MOQ / lead-time check RF connectors Adapters Cable assemblies

Why work with us?

Form-Fit-Function compatibility confirmed by drawing/spec review
Commercially competitive alternative for replacement and sourcing projects
MOQ 200+ and lead time confirmed by model, quantity, and supply path

Working hours: 10:00–20:00 (Beijing Time, UTC+8)

We typically reply within 1 business day (subject to workload and time zones).

Need a brand replacement workflow? Open the general brief → Need an approved alternative or cost-down workflow? Open the procurement brief →

Related RF sourcing routes

If this MPN is only a reference point, continue with a replacement, equivalent, adapter, or drawing-based cable assembly review.

Brand replacement briefs SMA alternatives from China BNC connector equivalents N Type RF replacement Custom RF cable from drawing

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Engineer checklist (key parameters)

Interface SMB / jack (female)

Impedance 50Ω

Frequency (max) 0 GHz ... 4 GHz

If these parameters are critical, include them in the RFQ.

FAQ

What connector interface/type does 85218401 use?

According to our catalog data, 85218401 lists the interface/type as: SMB / jack (female). To confirm mechanical fit, send an RFQ and we will validate against your drawing/spec.

What is the impedance of 85218401?

Our catalog lists the impedance for 85218401 as: 50Ω. If impedance is critical for your application, include the requirement in your RFQ and we will confirm.

What frequency is 85218401 rated for?

Our catalog lists the frequency for 85218401 as: 0 GHz ... 4 GHz. Actual performance depends on assembly/materials/application — send an RFQ so we can confirm a suitable option.

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MPN Search Supports exact, prefix, and partial matching. ⌄

Supports exact, prefix, and partial matching.

000-10400 000-1 00010400

Disclaimer

Manufacturer names, trademarks, symbols, and part numbers are used for identification and cross-reference only. Cstone Technology is a China-based export sourcing partner for compatible alternatives and is not affiliated with the original brands. Trademarks remain the property of their respective owners. Final suitability is confirmed by drawing/spec review during RFQ.