Equivalent & Substitute Parts for SPA02B-05

Part Overview

The MEAN WELL USA Inc. SPA02B-05 is a DC-DC converter classified as an isolated module, providing 5V at a maximum output current of 400mA, and a total output power of 2W. The input voltage range is 18V to 36V. This part includes features such as Remote On/Off control, Over Current Protection (OCP), and Short Circuit Protection (SCP). The SPA02B-05 is RoHS3 compliant and supplied in an 8-SIP module package with 7 leads. This model is currently obsolete, making it necessary to identify equivalent or substitute models with matching key electrical, mechanical, and regulatory parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	SPA02B-05
Manufacturer	MEAN WELL USA Inc.
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	18V
Voltage - Input (Max)	36V
Voltage - Output 1	5V
Current - Output (Max)	400mA
Power (Watts)	2 W
Voltage - Isolation	1 kV
Features	Remote On/Off, OCP, SCP
Operating Temperature	-40°C ~ 85°C (With Derating)
Efficiency	76%
Mounting Type	Through Hole
Package / Case	8-SIP Module, 7 Leads
Size / Dimension	0.86" L x 0.36" W x 0.44" H (21.8mm x 9.2mm x 11.1mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8504.40.9580

Substitute Part Grouping Explanation

Substitute parts are grouped based on matching the primary electrical and mechanical parameters specific to isolated DC-DC converters. The selection criteria are:

Output voltage: 5V
Maximum output current: 400mA
Output power: 2W
Input voltage range must overlap or match original parameters
Isolation voltage at least as high as the main part
Features, mounting type, package/case, and dimensions must correspond as closely as possible
Must meet equivalent compliance (RoHS, REACH, ECCN)
Same or compatible operating temperature range
Number of outputs: 1

Parameter Comparison

Parameter	SPA02B-05 (MEAN WELL USA Inc.)	SPAN02B-05 (MEAN WELL USA Inc.)	RS-1205S/H3 (Recom Power)
Type	Isolated Module	Isolated Module	Isolated Module
Number of Outputs	1	1	1
Voltage - Input (Min)	18V	18V	9V
Voltage - Input (Max)	36V	36V	18V
Voltage - Output 1	5V	5V	5V
Current - Output (Max)	400mA	400mA	400mA
Power (Watts)	2 W	2 W	2 W
Voltage - Isolation	1 kV	1.5 kV	3 kV
Features	Remote On/Off, OCP, SCP	Remote On/Off, OCP, SCP, UVLO	Remote On/Off, SCP
Operating Temperature	-40°C ~ 85°C (With Derating)	-40°C ~ 90°C (With Derating)	-40°C ~ 85°C
Efficiency	76%	79%	75%
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	8-SIP Module, 7 Leads	8-SIP Module, 7 Leads	8-SIP Module, 7 Leads
Size / Dimension	0.86" x 0.36" x 0.44" (21.8mm x 9.2mm x 11.1mm)	0.86" x 0.36" x 0.44" (21.8mm x 9.2mm x 11.1mm)	0.86" x 0.36" x 0.44" (21.8mm x 9.2mm x 11.1mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99
HTSUS	8504.40.9580	8504.40.9580	8504.40.9580

Engineering Selection Recommendations

SPA02B-05 is designated as obsolete. Substitution requires matching product compliance: all alternatives listed are ROHS3 Compliant, REACH Unaffected, ECCN EAR99, and HTSUS 8504.40.9580. All parts feature MSL 1 (Unlimited) and are through-hole 8-SIP modules with 7 leads, matching regulatory requirements and mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: What essential parameters must match when selecting a substitute for SPA02B-05?
A: Output voltage (5V), maximum output current (400mA), output power (2W), input voltage range, package/case (8-SIP Module, 7 Leads), mounting type, isolation voltage, regulatory compliance, and main features.

Q: Is the physical footprint and pinout consistent across SPA02B-05 and substitutes?
A: Yes, all listed alternatives use the through-hole 8-SIP module package with 7 leads and identical dimensions.

Q: Are there notable differences in compliance or certification between SPA02B-05 and substitutes?
A: No, all alternatives are ROHS3 compliant, have MSL 1 (Unlimited), REACH Unaffected, ECCN EAR99, and the same HTSUS code.

Q: How do substitute input voltage ranges affect compatibility?
A: Input voltage range must either overlap or cover the application’s requirements. SPA02B-05 and SPAN02B-05 share the same input range (18V–36V), while RS-1205S/H3 covers 9V–18V.

Q: Can any listed substitute be used without modification to PCB footprints?
A: Yes, based on the provided information, listed substitutes have matching package type and dimensions.

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