Equivalent & Substitute Parts Reference for CUI Inc. PBO-1-S5

Part Overview

The CUI Inc. PBO-1-S5 is an open frame AC/DC converter designed to provide a single 5V output at up to 200mA, with a power rating of 1W and a wide input range of 85 ~ 305 VAC or 70 ~ 430 VDC. This product is classified as obsolete, necessitating identification of suitable alternative models with matching electrical and mechanical parameters for existing designs and maintenance. Substitution is required to ensure functional compatibility with legacy systems where the PBO-1-S5 was previously specified.

Substiute Parts

PBO-1-S5
CUI Inc.In Stock: 1021PBO-1-S5 Datasheet
PBO-1-S5
Current Part
PBO-3C-5
CUI Inc.In Stock: 1173PBO-3C-5 Datasheet
PBO-3C-5
MFR Recommended
PSK-3D-5
CUI Inc.In Stock: 1388PSK-3D-5 Datasheet
PSK-3D-5
MFR Recommended

Key Parameters

Parameter PBO-1-S5
Manufacturer CUI Inc.
Series PBO-1 (1W)
Type Open Frame
Number of Outputs 1
Voltage - Input 85 ~ 305 VAC, 70 ~ 430 VDC
Voltage - Output 1 5V
Current - Output (Max) 200mA
Power (Watts) 1 W
Mounting Type Through Hole
Package / Case 12-SIP Module, 6 Leads
Size / Dimension 1.38" L x 0.43" W x 0.71" H (35.0mm x 11.0mm x 18.0mm)
Operating Temperature -40°C ~ 85°C (With Derating)
Efficiency 66%
RoHS Status RoHS Compliant
Approval Agency CB Scheme, EN, IEC, UL
Product Status Obsolete

Substitute Part Grouping Explanation

Substitution is conducted strictly by evaluating the following key parameters:

  • Input Voltage Range
  • Output Voltage
  • Maximum Output Current
  • Power Rating
  • Mounting Type
  • Package and Case
  • Operating Temperature Range
  • RoHS and regulatory agency approvals

All substitute models listed share the same or acceptable values for these fundamental parameters within the AC/DC converters product category, while differences in series, efficiency, or other application-related features do not affect basic compatibility under the allowed electrical and mechanical criteria.

Parameter Comparison

Parameter PBO-1-S5 PBO-3C-5 PSK-3D-5
Manufacturer CUI Inc. CUI Inc. CUI Inc.
Voltage - Input 85 ~ 305 VAC,
70 ~ 430 VDC
85 ~ 305 VAC,
70 ~ 430 VDC
85 ~ 305 VAC,
100 ~ 430 VDC
Voltage - Output 1 5V 5V 5V
Current - Output (Max) 200mA 600mA 600mA
Power (Watts) 1 W 3 W 3 W
Mounting Type Through Hole Through Hole Through Hole
Package / Case 12-SIP Module, 6 Leads 6-SIP Module 5-DIP Module, 4 Leads
Size / Dimension 1.38" x 0.43" x 0.71" 1.04" x 0.43" x 0.49" 1.00" x 1.00" x 0.69"
Operating Temperature -40°C ~ 85°C (With Derating) -40°C ~ 85°C (With Derating) -40°C ~ 85°C (With Derating)
Efficiency 66% 72% 76%
RoHS Status RoHS Compliant RoHS Compliant ROHS3 Compliant
Approval Agency CB Scheme, EN, IEC, UL CE, cURus CE, cURus
Product Status Obsolete Active Active

Engineering Selection Recommendations

Select substitute parts only if product status is active and regulatory compliance matches the required standards for the target application. Confirm that RoHS compliance and regulatory approvals, such as CE, cURus, or relevant CB Scheme or UL standards, are maintained. Only utilize substitutes that provide equivalent electrical characteristics and mounting compatibility as documented in the provided specifications.

Frequently Asked Questions (FAQ)

Q1: What criteria determine if a substitute part is compatible with the PBO-1-S5?
A1: Compatibility is determined by input voltage range, output voltage, maximum output current, power rating, mounting type, operating temperature range, RoHS status, and agency certifications.

Q2: Are the package and mounting types of substitute parts identical to PBO-1-S5?
A2: Substitute parts share through hole mounting but may differ in SIP/DIP configuration and physical dimensions. Ensure mechanical fit with the intended application.

Q3: Can substitute power supplies output higher current or power than PBO-1-S5?
A3: Yes, all listed substitutes provide the same output voltage with higher maximum output current and power ratings, while maintaining electrical compatibility within the specified range.

Q4: Do the substitute parts meet the same regulatory agency approvals as PBO-1-S5?
A4: Substitute parts include CE and cURus approvals. Always confirm required standards are fully met per system and application requirements using explicit certification data.

Q5: Is RoHS compliance maintained in all substitutes?
A5: All listed substitutes are RoHS compliant to match the environmental compliance of the PBO-1-S5.

Q6: Is the operating temperature range equivalent across substitute parts?
A6: All substitutes support an operating temperature of -40°C to 85°C with derating, matching the original specification.

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