ZXCT213CDW-7 Equivalent & Substitute Parts

Part Overview

The ZXCT213CDW-7 is a current monitor regulator IC manufactured by Diodes Incorporated, designed for high/low-side current sensing applications. This Surface Mount Device (SMD) operates across a 2.7V to 26V input voltage range with ±0.5% accuracy and is housed in a 6-TSSOP (SOT-363) package. The component is classified as Active product status and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Current inventory stands at 3,677 pieces in new original condition. Equivalent and substitute parts are identified within the ZXCT21x series family, which share identical electrical specifications and mechanical packaging, enabling direct functional replacement in circuit designs.

Key Parameters

Parameter	Value
Manufacturer Part Number	ZXCT213CDW-7
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Function	Current Monitor
Sensing Method	High/Low-Side
Accuracy	±0.5%
Voltage - Input Range	2.7V ~ 26V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	6-TSSOP, SC-88, SOT-363
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution within the ZXCT21x series is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Function: Current Monitor (identical across all variants)
Sensing Method: High/Low-Side (identical across all variants)
Accuracy: ±0.5% (identical across all variants)
Input Voltage Range: 2.7V ~ 26V (identical across all variants)
Operating Temperature: -40°C ~ 125°C (identical across all variants)
Package: 6-TSSOP, SC-88, SOT-363 (identical across all variants)
Mounting Type: Surface Mount (identical across all variants)
RoHS Status: ROHS3 Compliant (identical across all variants)
MSL Rating: 1 (Unlimited) (identical across all variants)

Secondary Differentiation: The ZXCT21x series divides into two qualification grades:

Standard Grade (ZXCT210CDW-7, ZXCT211CDW-7, ZXCT212CDW-7, ZXCT213CDW-7, ZXCT214CDW-7, ZXCT215CDW-7): No automotive qualification
Automotive Grade with AEC-Q100 Qualification (ZXCT210QCDW-7, ZXCT211QCDW-7, ZXCT212QCDW-7, ZXCT213QCDW-7, ZXCT214QCDW-7, ZXCT215QCDW-7): Qualified for automotive applications

All parts within each grade tier are electrically and mechanically interchangeable. Selection between standard and automotive variants depends on application requirements and end-use environment specifications.

Parameter Comparison

Part Number	Manufacturer	Function	Sensing Method	Accuracy	Input Voltage	Operating Temp	Package	Grade	Qualification	Inventory (Pcs)
ZXCT213CDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Standard	—	3,677
ZXCT210CDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	3,721
ZXCT210QCDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	3,788
ZXCT211CDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Standard	—	4,001
ZXCT211QCDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	4,086
ZXCT212CDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Standard	—	4,073
ZXCT212QCDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	3,994
ZXCT213QCDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	3,919
ZXCT214CDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Standard	—	3,607
ZXCT214QCDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	4,030
ZXCT215CDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Standard	—	3,686
ZXCT215QCDW-7	Diodes Inc.	Current Monitor	High/Low-Side	±0.5%	2.7V ~ 26V	-40°C ~ 125°C	SOT-363	Automotive	AEC-Q100	Data not provided

Engineering Selection Recommendations

For Standard Industrial Applications: The ZXCT213CDW-7 is suitable for non-automotive current monitoring circuits. Direct substitutes within the standard grade tier include ZXCT210CDW-7, ZXCT211CDW-7, ZXCT212CDW-7, ZXCT214CDW-7, and ZXCT215CDW-7. All maintain identical electrical performance and SOT-363 package compatibility. Selection among these variants is determined by application-specific current sensing requirements and circuit design parameters not specified in this reference.

For Automotive Applications: If the design requires AEC-Q100 qualification for automotive environments, substitute with ZXCT213QCDW-7 (direct automotive equivalent) or other qualified variants: ZXCT210QCDW-7, ZXCT211QCDW-7, ZXCT212QCDW-7, ZXCT214QCDW-7, or ZXCT215QCDW-7. These parts carry identical electrical specifications and mechanical packaging while meeting automotive qualification standards.

Compliance Considerations: All listed parts are ROHS3 compliant and REACH unaffected. MSL 1 rating indicates unlimited shelf life under standard storage conditions. No additional environmental or regulatory constraints differentiate the substitute options.

Inventory Availability: Current stock levels range from 3,607 to 4,086 pieces across the substitute family, ensuring supply continuity for production requirements.

Frequently Asked Questions (FAQ)

Q: Can ZXCT213CDW-7 be replaced with ZXCT211CDW-7 or ZXCT215CDW-7?

A: Yes. All standard-grade variants (ZXCT210CDW-7 through ZXCT215CDW-7) are electrically and mechanically equivalent. They share identical accuracy (±0.5%), input voltage range (2.7V ~ 26V), operating temperature (-40°C ~ 125°C), and SOT-363 packaging. Substitution is valid for non-automotive applications.

Q: What is the difference between ZXCT213CDW-7 and ZXCT213QCDW-7?

A: The "Q" designation indicates AEC-Q100 automotive qualification and automotive-grade classification. Electrical specifications and package dimensions are identical. ZXCT213QCDW-7 is required for automotive end-use; ZXCT213CDW-7 is suitable for standard industrial applications.

Q: Are all ZXCT21x variants pin-compatible?

A: Yes. All variants use the 6-TSSOP (SOT-363) package with identical pinout and mechanical dimensions. Direct PCB substitution is supported without layout modifications.

Q: Can automotive-qualified parts (ZXCT21xQCDW-7) be used in standard industrial designs?

A: Yes. Automotive-qualified parts exceed standard industrial requirements and are backward-compatible. Using AEC-Q100 qualified variants in non-automotive applications introduces no functional or reliability concerns.

Q: What determines which ZXCT21x variant to select?

A: Selection is based on application environment (automotive vs. industrial) and specific current sensing requirements. All variants within each grade tier are functionally interchangeable. Consult application circuit design specifications for variant-specific requirements.

Q: Is the SOT-363 package suitable for high-volume surface mount assembly?

A: Yes. SOT-363 (6-TSSOP) is a standard surface mount package compatible with automated pick-and-place and reflow soldering processes. MSL 1 rating supports standard manufacturing environments without special moisture control.

Q: What is the ROHS3 compliance status?

A: All listed parts are ROHS3 compliant and REACH unaffected, meeting EU environmental and hazardous substance directives for unrestricted distribution in regulated markets.

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