ACPDQC5V0C-HF Equivalent & Substitute Parts

Part Overview

The ACPDQC5V0C-HF is a 5V Transient Voltage Suppressor (TVS) diode manufactured by Comchip Technology, designed for surface mount applications in the SOD-923 package. This bidirectional Zener diode provides 14.5V clamping voltage at 4A peak pulse current (8/20µs) with 58W peak pulse power dissipation. The part is qualified to AEC-Q101 automotive standards and carries Automotive grade classification.

The ACPDQC5V0C-HF is currently listed as Obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	5V (Max)
Voltage - Breakdown (Min)	6.1V
Voltage - Clamping (Max) @ Ipp	14.5V
Current - Peak Pulse (10/1000µs)	4A (8/20µs)
Power - Peak Pulse	58W
Capacitance @ Frequency	25pF @ 1MHz
Bidirectional Channels	1
Type	Zener
Mounting Type	Surface Mount
Package / Case	SOD-923
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Grade	Automotive
Qualification	AEC-Q101

Substitute Part Grouping Explanation

Substitution of the ACPDQC5V0C-HF is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 5V (Max)
Voltage - Clamping (Max) @ Ipp: 14.5V ±tolerance
Current - Peak Pulse (10/1000µs): 4A minimum
Bidirectional Channels: 1
Type: Zener
Mounting Type: Surface Mount
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories:

Category 1 - Direct Equivalent (Same Package SOD-923): CPDQC5V0C-HF is a direct equivalent from Comchip Technology with identical electrical specifications and the same SOD-923 package. This part is Active status with higher inventory availability.

Category 2 - Functional Equivalents (Alternative Packages): Parts from Alpha & Omega Semiconductor Inc., Bourns Inc., Diodes Incorporated, and Nexperia USA Inc. provide equivalent electrical performance within the specified parameter ranges but utilize alternative surface mount packages (2-DFN, DFN1006-2, UFDFN). These parts maintain the 5V reverse standoff voltage and 14V-25V clamping voltage range, with peak pulse currents ranging from 4A to 12A, all within acceptable substitution parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Capacitance @ Frequency	Package / Case	Product Status
ACPDQC5V0C-HF	Comchip Technology	5V (Max)	6.1V	14.5V	4A (8/20µs)	58W	25pF @ 1MHz	SOD-923	Obsolete
CPDQC5V0C-HF	Comchip Technology	5V (Max)	6.1V	14.5V	4A (8/20µs)	58W	25pF @ 1MHz	SOD-923	Active
AOZ8131DI-05L	Alpha & Omega Semiconductor Inc.	5V (Max)	6V	22V	4A (8/20µs)	—	1.25pF @ 1MHz	2-UDFN	Active
AOZ8231ADI-05	Alpha & Omega Semiconductor Inc.	5V (Max)	5.5V	15.5V	5A (8/20µs)	—	13pF @ 1MHz	2-UDFN	Active
CDDFN2-T5.0LC	Bourns Inc.	5V (Max)	7V	25V (Typ)	—	—	0.5pF @ 1MHz	2-UFDFN	Active
D5V0L1B2LP-7B	Diodes Incorporated	5V (Max)	6V	14V	6A (8/20µs)	84W	15pF @ 1MHz	0402 (1006 Metric)	Active
D5V0L1B2LP4-7B	Diodes Incorporated	5V (Max)	6V	14V	6A (8/20µs)	84W	15pF @ 1MHz	0402 (1006 Metric)	Active
D5V0L1B2LPS-7B	Diodes Incorporated	5V (Max)	6V	14V	6A (8/20µs)	84W	15pF @ 1MHz	2-UFDFN	Active
DESD5V0S1BL-7B	Diodes Incorporated	5V (Max)	5.5V	14V	12A (8/20µs)	130W	35pF @ 1MHz	0402 (1006 Metric)	Active
DESD5V0S1BLD-7B	Diodes Incorporated	5V (Max)	5.5V	14V	12A (8/20µs)	130W	35pF @ 1MHz	0402 (1006 Metric)	Active
PESD5V0S1BL,315	Nexperia USA Inc.	5V (Max)	5.5V	14V	12A (8/20µs)	130W	35pF @ 1MHz	SOD-882	Active

Engineering Selection Recommendations

For Direct Package Compatibility (SOD-923): CPDQC5V0C-HF from Comchip Technology is the primary recommendation. It provides identical electrical specifications and package form factor to the obsolete ACPDQC5V0C-HF. This part is Active status with 934 pcs in stock, ensuring supply continuity. Both parts are ROHS3 compliant and carry MSL 1 rating.

For Alternative Package Designs: When PCB layout modifications are acceptable, the following parts provide functional equivalence:

Diodes Incorporated D5V0L1B2LPS-7B offers automotive-grade qualification (AEC-Q101) with 2-UFDFN package, matching the automotive requirements of the original part. Peak pulse current is 6A, providing margin above the 4A requirement.
Diodes Incorporated DESD5V0S1BL-7B and DESD5V0S1BLD-7B provide 12A peak pulse current capability in 0402 (1006 Metric) package, suitable for applications requiring higher transient current handling.
Nexperia USA Inc. PESD5V0S1BL,315 delivers 12A peak pulse current in SOD-882 package with Active status and high inventory (27,119 pcs).

All substitute parts listed are Active status with ROHS3 compliance and MSL 1 moisture sensitivity rating, ensuring long-term availability and environmental compliance.

Frequently Asked Questions (FAQ)

Q: Can CPDQC5V0C-HF directly replace ACPDQC5V0C-HF without PCB modifications?

A: Yes. CPDQC5V0C-HF is a direct equivalent with identical electrical specifications (5V standoff, 14.5V clamping, 4A peak pulse current) and the same SOD-923 package footprint. No PCB layout changes are required.

Q: What is the difference between the substitute parts from different manufacturers?

A: All substitute parts maintain the 5V reverse standoff voltage and provide clamping voltages between 14V and 25V. Primary differences are peak pulse current ratings (4A to 12A), package form factors (2-DFN, DFN1006-2, UFDFN, SOD-882), and capacitance values. Selection depends on available PCB space and transient current requirements.

Q: Are the alternative package parts suitable for automotive applications?

A: D5V0L1B2LPS-7B from Diodes Incorporated carries AEC-Q101 qualification and Automotive grade, matching the original part's automotive requirements. Other substitute parts are suitable for general purpose applications. Verify specific automotive qualification requirements for your application.

Q: What is the impact of different clamping voltages (14V to 25V) on circuit protection?

A: All substitute parts maintain the 5V reverse standoff voltage, ensuring they trigger at the same threshold. Clamping voltage variations (14V to 25V) represent the maximum voltage during transient suppression. Lower clamping voltages provide tighter voltage regulation; higher values offer greater margin. Selection depends on downstream component voltage ratings.

Q: Can I use parts with higher peak pulse current ratings (12A vs. 4A)?

A: Yes. Parts with higher peak pulse current ratings (DESD5V0S1BL-7B, DESD5V0S1BLD-7B, PESD5V0S1BL,315 at 12A) provide additional transient current handling capability and are backward compatible with designs requiring 4A minimum. This represents a performance upgrade with no negative impact.

Q: What packaging considerations apply when switching from SOD-923 to alternative packages?

A: SOD-923 and SOD-882 packages are similar in size and footprint compatibility. Switching to 2-DFN or DFN1006-2 packages requires PCB layout modifications, including new footprint design and trace routing. Verify mechanical clearance and thermal management requirements for your specific application.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status, meeting environmental and regulatory requirements equivalent to the original ACPDQC5V0C-HF.

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