RBM-1212S Equivalent & Substitute Parts

Part Overview

The RBM-1212S is an isolated module DC-DC converter manufactured by Recom Power, part of the ECONOLINE RBM (1W) series. This component provides 1W of isolated power conversion with a single 12V output, designed for applications requiring galvanic isolation between input and output stages. The part is Active status and widely used in ITE (Commercial) and Medical applications.

Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and regulatory compliance can be maintained across different manufacturer offerings. This reference identifies alternative components that meet the core functional requirements of the RBM-1212S.

Key Parameters

Parameter	Value	Unit
Input Voltage Range	10.8 - 13.2	V
Output Voltage	12	V
Output Current (Maximum)	83	mA
Power Rating	1	W
Isolation Voltage	3	kV
Operating Temperature Range	-40 to 85	°C
Efficiency	80	%
Mounting Type	Through Hole	-
Package Type	6-SIP Module, 5 Leads	-
Dimensions	16.5 x 6.0 x 7.7	mm

Substitute Part Grouping Explanation

Substitute parts for the RBM-1212S are identified based on strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Input voltage range: 10.8V - 13.2V
Output voltage: 12V
Output current capability: ≥83mA
Power rating: 1W
Isolation voltage: ≥1.5kV (minimum isolation requirement for functional equivalence)

Mechanical Equivalence Criteria:

Mounting type: Through Hole
Package type: 6-SIP Module, 5 Leads
Physical footprint compatibility

Regulatory Equivalence Criteria:

RoHS3 Compliance
REACH Unaffected status
Active product status

The SPU01M-12 manufactured by MEAN WELL USA Inc. meets all electrical, mechanical, and regulatory criteria for substitution with the RBM-1212S.

Parameter Comparison

Parameter	RBM-1212S (Recom Power)	SPU01M-12 (MEAN WELL USA Inc.)	Compatibility
Input Voltage (Min)	10.8V	10.8V	Equivalent
Input Voltage (Max)	13.2V	13.2V	Equivalent
Output Voltage	12V	12V	Equivalent
Output Current (Max)	83mA	84mA	Compatible
Power Rating	1W	1W	Equivalent
Isolation Voltage	3kV	1.5kV	Compatible
Operating Temperature (Min)	-40°C	-40°C	Equivalent
Operating Temperature (Max)	85°C	90°C	Compatible
Efficiency	80%	83%	Compatible
Mounting Type	Through Hole	Through Hole	Equivalent
Package Type	6-SIP Module, 5 Leads	6-SIP Module, 5 Leads	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

RBM-1212S Selection Criteria:

Applications requiring 3kV isolation voltage
Strict thermal constraints within -40°C to 85°C range
Primary requirement for 80% efficiency baseline
Recom Power supply chain preference

SPU01M-12 Selection Criteria:

Applications tolerating 1.5kV isolation voltage
Extended upper temperature operation to 90°C beneficial
Higher efficiency (83%) reduces thermal load
MEAN WELL USA Inc. supply chain preference
Slightly higher output current capability (84mA vs 83mA)

Both parts maintain Active product status and full RoHS3/REACH compliance. Selection between these components depends on isolation voltage requirements and thermal operating envelope specifications for the target application.

Frequently Asked Questions (FAQ)

Q: Can SPU01M-12 replace RBM-1212S in all applications?

A: SPU01M-12 is electrically and mechanically compatible with RBM-1212S for applications where 1.5kV isolation is sufficient. If the application requires 3kV isolation voltage, RBM-1212S must be used.

Q: What is the difference in isolation voltage between these parts?

A: RBM-1212S provides 3kV isolation, while SPU01M-12 provides 1.5kV isolation. Both meet industry standards for their respective isolation classes. Application requirements determine which isolation level is necessary.

Q: Are the physical dimensions identical?

A: Both parts use 6-SIP Module, 5 Leads packaging with Through Hole mounting. RBM-1212S dimensions are 16.5 x 6.0 x 7.7mm; SPU01M-12 dimensions are 19.5 x 6.1 x 10.2mm. The SPU01M-12 is slightly larger in length and height. PCB layout must accommodate the larger footprint.

Q: Which part has better efficiency?

A: SPU01M-12 operates at 83% efficiency compared to RBM-1212S at 80% efficiency. This 3% difference reduces power dissipation and thermal load in the SPU01M-12.

Q: Are both parts RoHS3 compliant?

A: Yes, both RBM-1212S and SPU01M-12 are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.

Q: What is the output current difference?

A: RBM-1212S provides 83mA maximum output current; SPU01M-12 provides 84mA maximum output current. This 1mA difference is negligible for practical applications.

Q: Can these parts be used in Medical applications?

A: RBM-1212S is specified for Medical applications. SPU01M-12 is specified for ITE (Commercial) applications only. Medical application requirements must be verified against SPU01M-12 specifications before substitution.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message