Equivalent & Substitute Parts Reference: UQQ-12/8-Q48NB-C

Part Overview

The Murata Power Solutions Inc. model UQQ-12/8-Q48NB-C is an isolated module DC-DC converter, designed for ITE (Commercial) applications, with specifications including a single 12V output at up to 8A and an input voltage range of 18V to 75V. It features remote on/off, OTP, OVP, SCP, and UVLO protection, and conforms to ROHS3 and REACH standards. The part is classified as "Last Time Buy," prompting the requirement for equivalent substitute parts to ensure ongoing availability in production and service environments.

Key Parameters

Manufacturer Part Number	Manufacturer	Type	Series	Product Status	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Features	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	Control Features	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN	HTSUS	Applications
UQQ-12/8-Q48NB-C	Murata Power Solutions Inc.	Isolated Module	UQQ	Last Time Buy	1	18V	75V	12V	8A	96 W	2.25 kV	Remote On/Off, OTP, OVP, SCP, UVLO	-40°C ~ 85°C	89.5%	Through Hole	8-DIP Module, 1/4 Brick	2.22" L x 1.45" W x 0.50" H (56.4mm x 36.8mm x 12.7mm)	Enable, Active Low	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8504.40.9580	ITE (Commercial)

Substitute Part Grouping Explanation

Substitution for the DC-DC converter UQQ-12/8-Q48NB-C is based strictly on the following key parameters provided: input voltage range (18V to 75V), output voltage (12V), maximum output current (8A or higher), isolation voltage (2.25 kV), packaging type, mounting type, application (ITE Commercial), and compliance attributes (ROHS3, REACH). Substitute parts are listed only if their supplied parameters match or exceed the above, ensuring direct compatibility within the specified operational and regulatory context.

Parameter Comparison

Manufacturer Part Number	Series	Product Status	Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Features	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	Control Features	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN	HTSUS	Applications
UQQ-12/8-Q48NB-C	UQQ	Last Time Buy	Isolated Module	1	18V	75V	12V	8A	96 W	2.25 kV	Remote On/Off, OTP, OVP, SCP, UVLO	-40°C ~ 85°C	89.5%	Through Hole	8-DIP Module, 1/4 Brick	2.22" L x 1.45" W x 0.50" H (56.4mm x 36.8mm x 12.7mm)	Enable, Active Low	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8504.40.9580	ITE (Commercial)
UWE-12/10-Q48NB-C	UWE	Active	Isolated Module	1	18V	75V	12V	10A	120 W	2.25 kV	Remote On/Off, OCP, OTP, OVP, SCP, UVLO	-40°C ~ 85°C	91.5%	Through Hole	8-DIP Module, 1/8 Brick	2.30" L x 0.90" W x 0.34" H (58.4mm x 22.9mm x 8.6mm)	Enable, Active Low	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8504.40.9580	ITE (Commercial)

Engineering Selection Recommendations

The UQQ-12/8-Q48NB-C is designated as "Last Time Buy." The recommended substitute, UWE-12/10-Q48NB-C, is "Active" and maintains compliance with ROHS3 and REACH regulations. Both products are classified under ECCN EAR99 and HTSUS 8504.40.9580, which supports export and customs consistency. Moisture Sensitivity Level is rated at 1 (Unlimited) for both units, allowing similar handling procedures. For continued production without interruption, selection of the substitute component matching compliance and certifications is supported.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters that qualify a DC-DC converter as a substitute for UQQ-12/8-Q48NB-C?
A: Qualified substitutes must match or exceed the following: input voltage range, output voltage and current, isolation rating, mounting type, package dimensions, and compliance certifications (ROHS3, REACH).

Q: Does the package or mounting type affect compatibility when substituting UQQ-12/8-Q48NB-C?
A: Both the original and substitute parts feature through-hole mounting and an 8-DIP module package, although the physical dimensions differ. Compatibility should be confirmed with existing designs using the provided size information.

Q: Can substitute parts operate in the same application environments?
A: Yes, both UQQ-12/8-Q48NB-C and UWE-12/10-Q48NB-C are specified for ITE (Commercial) applications with an identical operating temperature range.

Q: Are there differences in the feature set between UQQ-12/8-Q48NB-C and its substitute?
A: The substitute UWE-12/10-Q48NB-C includes OCP in addition to the features on UQQ-12/8-Q48NB-C. All other listed control and protection features are present.

Q: Do substitutes meet compliance and certification requirements?
A: Both models are ROHS3 Compliant, REACH Unaffected, and have identical ECCN and HTSUS codes, meeting regulatory and export criteria.

Q: Will moisture sensitivity impact storage or handling of the substitute?
A: Both parts are rated at MSL 1 (Unlimited), indicating no restriction in standard storage or handling protocols.

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