UX60A-MB-5ST USB 2.0 Mini B Receptacle Connector Equivalent & Substitute Parts

Part Overview

The UX60A-MB-5ST is a USB 2.0 mini B receptacle connector manufactured by Hirose Electric Co Ltd, configured as a 5-position surface mount right-angle connector with solder termination. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. The connector features shielded construction with gold-plated contacts and operates across the -30°C to 75°C temperature range with a 1A current rating at 5VAC.

Key Parameters

Parameter	UX60A-MB-5ST
Connector Type	USB - mini B
Number of Contacts	5
Gender	Receptacle
Specifications	USB 2.0
Mounting Type	Surface Mount, Right Angle
Mounting Feature	Horizontal
Termination	Solder
Current Rating	1A
Voltage - Rated	5VAC
Mating Cycles	5000
Shielding	Shielded
Contact Finish	Gold
Material Flammability Rating	UL94 V-0
Operating Temperature	-30°C ~ 75°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the UX60A-MB-5ST is determined by the following mandatory parameters:

Core Compatibility Parameters:

Connector Type: USB - mini B (or mini AB for limited compatibility)
Number of Contacts: 5
Gender: Receptacle
Specifications: USB 2.0
Mounting Type: Surface Mount, Right Angle
Mounting Feature: Horizontal
Termination: Solder
Material Flammability Rating: UL94 V-0
RoHS Status: RoHS Compliant or ROHS3 Compliant

Allowable Variation Parameters:

Voltage Rating: 5VAC to 30VAC (higher voltage ratings are acceptable)
Operating Temperature: -30°C to 75°C baseline; extended ranges (-40°C to 85°C, -50°C to 85°C) are acceptable
Mating Cycles: 5000 baseline; lower values (1500) represent reduced durability but remain functionally compatible
Shielding: Both shielded and unshielded configurations are listed as substitutes
Contact Finish: Gold or unspecified
Shell/Shielding Material: Copper Alloy, Phosphor Bronze, or Steel (SUS304)
Current Rating: Specified or unspecified values
Packaging: Tape & Reel (TR), Cut Tape (CT), Digi-Reel®, or Tray

Non-Compatible Parameters:

Connector Type: USB - mini AB (different mechanical interface; listed only for reference)
Product Status: Active or Last Time Buy preferred; Obsolete status indicates end-of-life

Substitute parts are grouped into three categories: Hirose Electric Co Ltd variants (same manufacturer, active or last-time-buy status), TE Connectivity alternatives (different manufacturer, active status), and Samtec Inc. alternatives (different manufacturer, active status).

Parameter Comparison

Parameter	UX60A-MB-5ST	UX60SC-MB-5ST(85)	UX60-MB-5ST(70)	UX60SC-MB-5ST	UX60SC-MB-5ST(80)	1734035-2	MUSB-05-F-B-SM-A-K-TR	MUSB-05-F-B-SM-A-TR
Manufacturer	Hirose Electric	Hirose Electric	Hirose Electric	Hirose Electric	Hirose Electric	TE Connectivity	Samtec Inc.	Samtec Inc.
Connector Type	USB - mini B	USB - mini B	USB - mini B	USB - mini B	USB - mini B	USB - mini B	USB - mini B	USB - mini B
Number of Contacts	5	5	5	5	5	5	5	5
Gender	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Mounting Feature	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Voltage - Rated	5VAC	30VAC	5VAC	30VAC	30VAC	30VAC	30V	30V
Mating Cycles	5000	5000	5000	-	5000	5000	1500	1500
Shielding	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded	Unshielded	Unshielded
Contact Finish	Gold	Gold	-	Gold	Gold	Gold	Gold	Gold
Operating Temperature	-30°C ~ 75°C	-30°C ~ 75°C	-30°C ~ 75°C	-30°C ~ 75°C	-30°C ~ 75°C	-40°C ~ 85°C	-50°C ~ 85°C	-50°C ~ 85°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Last Time Buy	Last Time Buy	Active	Active	Active

Engineering Selection Recommendations

Hirose Electric Co Ltd Variants (Preferred for Same-Manufacturer Continuity):

UX60SC-MB-5ST(85) is the manufacturer-recommended primary substitute. This part maintains Hirose Electric sourcing with active product status, ensuring long-term availability and supply chain stability. The UX60SC series represents the current production line evolution from the obsolete UX60A series. Voltage rating increases from 5VAC to 30VAC, providing enhanced electrical margin without affecting mechanical or thermal compatibility.

UX60-MB-5ST(70) and UX60SC-MB-5ST(80) are parametric equivalents with last-time-buy status. These parts remain functionally compatible but represent transitional inventory. UX60-MB-5ST(70) includes board guide features; UX60SC-MB-5ST(80) offers higher inventory availability (32,714 pcs) and ROHS3 compliance certification.

TE Connectivity Alternative (1734035-2):

This part is manufacturer-recommended and maintains active product status. Operating temperature extends to -40°C to 85°C, exceeding the original specification. Steel (SUS304) shell material differs from copper alloy but meets UL94 V-0 flammability requirements. ROHS3 compliance and board guide features support automated assembly processes.

Samtec Inc. Alternatives (Extended Temperature Range):

MUSB-05-F-B-SM-A-K-TR and MUSB-05-F-B-SM-A-TR offer the widest operating temperature range (-50°C to 85°C) and active product status. Both parts feature unshielded construction, which is acceptable for applications where EMI shielding is not critical. Mating cycle rating of 1500 cycles represents reduced durability compared to the 5000-cycle baseline. These parts are suitable for cost-sensitive applications or environments requiring extended temperature performance.

Compliance and Certification:

All substitute parts maintain UL94 V-0 material flammability rating and RoHS or ROHS3 compliance. Moisture sensitivity level remains MSL 1 (Unlimited) across all variants. REACH compliance status varies; Hirose and Samtec parts indicate REACH Unaffected or Vendor Undefined status.

Frequently Asked Questions (FAQ)

Q: Can UX60SC-MB-5ST(85) directly replace UX60A-MB-5ST in existing designs?

A: Yes. Both parts share identical mechanical dimensions, mounting configuration, and electrical specifications for USB 2.0 operation. The voltage rating increase from 5VAC to 30VAC is backward-compatible and does not affect circuit operation. Footprint and solder pad layout are identical.

Q: What is the difference between shielded and unshielded variants?

A: Shielded variants (Hirose and TE Connectivity parts) include copper alloy or steel shielding for EMI suppression. Unshielded variants (Samtec MUSB-05 series) omit shielding, reducing cost and component height. Selection depends on application EMI requirements. Unshielded parts are suitable for low-noise environments or cost-constrained applications.

Q: Why do some substitutes have lower mating cycle ratings?

A: Samtec MUSB-05 series parts specify 1500 mating cycles versus 5000 cycles for Hirose and TE Connectivity parts. This reflects different mechanical design approaches and material selections. Lower cycle ratings are acceptable for applications with infrequent connector mating or non-field-replaceable installations.

Q: Are there packaging considerations for automated assembly?

A: Yes. MUSB-05-F-B-SM-A-K-TR includes pick-and-place features and tape & reel packaging optimized for high-speed assembly. UX60SC-MB-5ST(85) offers tape & reel packaging. UX60-MB-5ST(70) and 1734035-2 include board guide features that facilitate automated placement. Samtec and TE Connectivity parts support standard SMD assembly processes.

Q: What is the significance of "Last Time Buy" product status?

A: Last Time Buy indicates the manufacturer will discontinue production after a specified date. UX60-MB-5ST(70) and UX60SC-MB-5ST(80) carry this status, meaning current inventory represents the final available stock. For new designs requiring long-term supply, select active-status parts: UX60SC-MB-5ST(85), 1734035-2, or Samtec MUSB-05 variants.

Q: Can mini AB connectors substitute for mini B receptacles?

A: No. Mini AB and mini B connectors have different mechanical interfaces and are not interchangeable. Mini AB connectors support both host and device operation but require different mating plugs. The MUSB-05-S-AB-SM-A and MUSB-05-S-AB-SM-A-TR parts listed in the substitute database are mini AB variants and are not compatible with mini B applications.

Q: How do operating temperature ranges affect part selection?

A: The original UX60A-MB-5ST operates -30°C to 75°C. Hirose and TE Connectivity substitutes maintain this range. Samtec parts extend to -50°C to 85°C, providing margin for extreme environment applications. Extended temperature ranges do not affect standard operating conditions but enable use in automotive, aerospace, or industrial environments with wider thermal requirements.

Q: What compliance certifications are critical for medical or automotive applications?

A: All listed substitutes maintain UL94 V-0 material flammability certification and RoHS or ROHS3 compliance. For medical applications, verify additional certifications such as ISO 13485 or biocompatibility testing through the manufacturer. For automotive applications, confirm AEC-Q qualification status with the supplier. REACH compliance status varies; Hirose and Samtec indicate REACH Unaffected, while TE Connectivity status is Vendor Undefined.

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