ECQ-P1H333GZ Equivalent & Substitute Parts

Part Overview

The ECQ-P1H333GZ is a 0.033 µF film capacitor manufactured by Panasonic Electronic Components, rated for 50V DC operation with ±2% tolerance. This radial through-hole component utilizes polypropylene (PP) dielectric material and is designed for high-frequency and switching applications. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance, repair, and legacy design support.

Substiute Parts

ECQ-P1H333GZ

Panasonic Electronic ComponentsIn Stock: 1008ECQ-P1H333GZ Datasheet

Current PartRFQ

ECH-U1H333GX5

Panasonic Electronic ComponentsIn Stock: 90003ECH-U1H333GX5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECQ-P1H333GZ is determined by the following critical parameters:

• Capacitance Value: 0.033 µF (exact match required)
• Tolerance: ±2% (maintains circuit design specifications)
• Voltage Rating - DC: 50V minimum (must meet or exceed)
• Dielectric Material: Film-based construction (polypropylene or equivalent film technology)

The ECH-U1H333GX5 qualifies as a functional equivalent based on matching capacitance (0.033 µF), tolerance (±2%), and DC voltage rating (50V). However, this substitute introduces a change in mounting technology from through-hole radial to surface-mount 1210 package format, requiring PCB redesign and assembly process modification.

Parameter Comparison

Engineering Selection Recommendations

The ECH-U1H333GX5 provides electrical equivalence to the ECQ-P1H333GZ in terms of capacitance, tolerance, and DC voltage rating. The substitute part carries active product status and ROHS3 compliance, supporting long-term supply chain availability and regulatory conformance.

Substitution requires consideration of form factor differences. The ECH-U1H333GX5 transitions from through-hole radial mounting to surface-mount 1210 package technology, necessitating PCB layout modification and reflow soldering assembly processes. The dielectric material differs from polypropylene to polyphenylene sulfide (PPS) metallized construction, and the operating temperature range expands from -40°C ~ 85°C to -55°C ~ 125°C.

Selection of the ECH-U1H333GX5 is appropriate for new designs or redesigned legacy systems where surface-mount assembly is feasible. For direct through-hole replacement without PCB modification, alternative through-hole film capacitors with matching electrical specifications should be evaluated.

Frequently Asked Questions (FAQ)

Q: Can the ECH-U1H333GX5 directly replace the ECQ-P1H333GZ on existing PCBs?

A: No. The ECQ-P1H333GZ uses through-hole radial mounting with PC pins, while the ECH-U1H333GX5 is a surface-mount component with solder pads. Direct board-level substitution requires PCB redesign and assembly process modification.

Q: Are the electrical specifications identical between these parts?

A: Capacitance (0.033 µF), tolerance (±2%), and DC voltage rating (50V) are identical. Dielectric materials differ: ECQ-P1H333GZ uses polypropylene (PP), while ECH-U1H333GX5 uses polyphenylene sulfide (PPS) metallized construction. Operating temperature ranges differ, with the substitute supporting a wider range (-55°C ~ 125°C versus -40°C ~ 85°C).

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

A: The ECQ-P1H333GZ is obsolete, indicating discontinued manufacturing and limited inventory availability. The ECH-U1H333GX5 is active, ensuring ongoing supply chain access and manufacturing support.

Q: Does the ECH-U1H333GX5 meet current regulatory requirements?

A: Yes. The ECH-U1H333GX5 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards. The ECQ-P1H333GZ regulatory status is not specified.

Q: What are the packaging and inventory implications?

A: The ECQ-P1H333GZ is available in limited quantities (921 Pcs). The ECH-U1H333GX5 is supplied in Tape & Reel format with significantly higher inventory (89,983 Pcs), supporting volume production requirements.