HV-AT(5)-PJ RF Attenuator 5dB Equivalent & Substitute Parts

Part Overview

The HV-AT(5)-PJ is an RF attenuator manufactured by Hirose Electric Co Ltd, designed for high-frequency signal attenuation applications. This 5dB fixed attenuator operates across a broad frequency range from 0 Hz to 67 GHz with 1W power handling capability and 50 Ohm impedance. The product is designated as Last Time Buy, indicating end-of-life status. Identifying equivalent substitute parts is necessary to ensure continued availability and supply chain continuity for applications requiring this specific attenuation and frequency performance.

Substiute Parts

HV-AT(5)-PJ

Hirose Electric Co LtdIn Stock: 1181HV-AT(5)-PJ Datasheet

Current PartRFQ

PE7403-5

PasternackIn Stock: 1086PE7403-5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for RF attenuators is determined by matching the following critical parameters:

• Attenuation Value: Must be 5dB
• Impedance: Must be 50 Ohms
• Power Rating: Must be 1W minimum
• Frequency Range: Must cover or exceed 0 Hz ~ 67 GHz operational band
• Package Configuration: Module format suitable for in-line applications
• Environmental Compliance: RoHS compliance status

The PE7403-5 from Pasternack meets these substitution criteria with equivalent electrical specifications and compatible module packaging.

Parameter Comparison

Engineering Selection Recommendations

The PE7403-5 serves as a direct substitute for the HV-AT(5)-PJ based on matching electrical specifications: identical 5dB attenuation, 50 Ohm impedance, and 1W power handling. Both components maintain RoHS compliance, with the PE7403-5 carrying ROHS3 certification. The PE7403-5 operates to 65 GHz, providing 2 GHz less upper frequency coverage than the HV-AT(5)-PJ; this difference is acceptable for applications operating within the 0 Hz to 65 GHz band. The active product status of the PE7403-5 ensures ongoing availability and supply chain support, making it the preferred alternative for new designs and replenishment of end-of-life HV-AT(5)-PJ inventory.

Frequently Asked Questions (FAQ)

Q: Can the PE7403-5 replace the HV-AT(5)-PJ in all applications?

A: The PE7403-5 is suitable for applications operating within 0 Hz to 65 GHz. If your application requires operation above 65 GHz, the HV-AT(5)-PJ's extended 67 GHz capability is necessary. For frequencies up to 65 GHz, both components deliver identical attenuation and impedance performance.

Q: Are there packaging differences between these components?

A: Both components are supplied in module format suitable for in-line RF applications. The HV-AT(5)-PJ specifies 1.85mm in-line module packaging, while the PE7403-5 is designated as a module. Verify mechanical compatibility with your specific connector and mounting requirements before implementation.

Q: What is the significance of the product status difference?

A: The HV-AT(5)-PJ is designated Last Time Buy, indicating Hirose has discontinued this product. The PE7403-5 maintains Active status, ensuring continued manufacturing, availability, and technical support from Pasternack.

Q: Do both components meet current environmental compliance standards?

A: Yes. The HV-AT(5)-PJ is RoHS Compliant, and the PE7403-5 is ROHS3 Compliant, both meeting current environmental regulations for electronic components.

Q: What power dissipation should I expect from these attenuators?

A: Both components are rated for 1W power handling. Actual power dissipation depends on input signal level and attenuation characteristics. Ensure thermal management provisions are adequate for your application's duty cycle.