ACPDQC5V0USP-IPHF Equivalent & Substitute Parts

Part Overview

The ACPDQC5V0USP-IPHF is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Comchip Technology, designed for surface mount applications in the 0402 (1006 Metric) package. This component provides 5V reverse standoff voltage protection with a 15V maximum clamping voltage and 2A peak pulse current rating (8/20µs). The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement.

Substiute Parts

ACPDQC5V0USP-IPHF

Comchip TechnologyIn Stock: 5200ACPDQC5V0USP-IPHF Datasheet

Current PartRFQ

CPDQC5V0USC-HF

Comchip TechnologyIn Stock: 811CPDQC5V0USC-HF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ACPDQC5V0USP-IPHF is determined by the following critical parameters:

• Voltage Rating: Reverse standoff voltage of 5V and maximum clamping voltage of 15V
• Package Compatibility: 0402 (1006 Metric) surface mount form factor
• Peak Pulse Current: Minimum 2A rating at 8/20µs pulse duration
• Operating Temperature Range: -55°C to 150°C
• Environmental Compliance: ROHS3 compliance and MSL 1 rating

The CPDQC5V0USC-HF meets these substitution criteria while offering enhanced performance characteristics. Both components share identical voltage specifications, package geometry, and environmental ratings. The substitute part provides increased peak pulse current capacity (3A versus 2A) and higher power dissipation capability (45W versus 30W), making it suitable for applications requiring the original part's electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

The CPDQC5V0USC-HF is the qualified substitute for the obsolete ACPDQC5V0USP-IPHF. Both components maintain identical voltage protection specifications (5V standoff, 15V clamping) and package geometry (0402/SOD-923F), ensuring direct circuit compatibility. The substitute part is currently in active production status, providing assured long-term availability compared to the obsolete original part.

Both components carry ROHS3 compliance certification and MSL 1 moisture sensitivity rating, meeting equivalent environmental and regulatory requirements. The substitute part's enhanced current and power ratings (3A and 45W respectively) provide additional design margin without introducing incompatibility with existing circuit designs specified for the original 2A/30W ratings.

Frequently Asked Questions (FAQ)

Q: Can the CPDQC5V0USC-HF be used as a direct replacement for the ACPDQC5V0USP-IPHF?

A: Yes. Both components share identical voltage specifications (5V standoff, 15V clamping), package form factor (0402/SOD-923F), and operating temperature range (-55°C to 150°C). The substitute part's higher current and power ratings ensure compatibility with circuits designed for the original part.

Q: What is the primary difference between these two parts?

A: The CPDQC5V0USC-HF provides increased peak pulse current capacity (3A versus 2A) and higher power dissipation (45W versus 30W). Both parts maintain identical voltage protection characteristics and package dimensions.

Q: Are there any compliance or certification differences?

A: No. Both components are ROHS3 compliant with MSL 1 moisture sensitivity rating. Environmental and regulatory compliance requirements are equivalent.

Q: Why is the original part listed as obsolete?

A: The ACPDQC5V0USP-IPHF is classified as obsolete by the manufacturer. The CPDQC5V0USC-HF is the active production equivalent, ensuring continued availability for new designs and ongoing production support.

Q: Does the 0.1pF difference in capacitance affect circuit performance?

A: The capacitance difference (0.3pF to 0.4pF at 1MHz) is negligible for typical TVS diode applications and does not impact functional compatibility in standard transient voltage suppression circuits.