KUSBEX-ASFS1N-W30 USB-A Receptacle Connector Equivalent & Substitute Parts

Part Overview

The KUSBEX-ASFS1N-W30 is a USB-A (USB TYPE-A) USB 2.0 receptacle connector manufactured by Kycon, Inc. This connector features 4 positions, through-hole right-angle mounting, and is rated for 1.5A at 30VAC with 1500 mating cycles. The part is currently active in production and RoHS compliant. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical mounting characteristics, and connector interface standards to ensure direct functional interchangeability in circuit board applications.

Key Parameters

Parameter	Value
Connector Type	USB-A (USB TYPE-A)
Number of Contacts	4
Gender	Receptacle
Specifications	USB 2.0
Mounting Type	Through Hole, Right Angle
Mounting Feature	Horizontal
Termination	Solder
Current Rating (Amps)	1.5A
Voltage - Rated	30VAC
Mating Cycles	1500
Shielding	Shielded
Contact Finish	Gold
Material Flammability Rating	UL94 V-0
Operating Temperature	-40°C ~ 105°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict adherence to the following critical parameters that determine functional interchangeability:

Primary Matching Criteria:

Connector Type: USB-A (USB TYPE-A)
Number of Contacts: 4
Gender: Receptacle
Specifications: USB 2.0
Mounting Type: Through Hole, Right Angle
Mounting Feature: Horizontal
Termination: Solder
Shielding: Shielded
Material Flammability Rating: UL94 V-0

Secondary Electrical Criteria:

Current Rating (Amps): 1.5A or greater
Voltage - Rated: 30VAC or greater
Mating Cycles: 1500 or greater

All substitute parts listed meet these criteria and are therefore electrically and mechanically compatible with the KUSBEX-ASFS1N-W30 in applications requiring USB 2.0 receptacle connectivity with right-angle through-hole mounting.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Connector Type	Contacts	Gender	USB Spec	Mounting Type	Current (A)	Voltage (VAC)	Mating Cycles	Shielding	Contact Finish	Flammability	Operating Temp (°C)	RoHS Status
KUSBEX-ASFS1N-W30	Kycon, Inc.	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.5	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 105	RoHS Compliant
KUSBEX-ASFS1N-B	Kycon, Inc.	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.5	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 105	ROHS3 Compliant
KUSBEX-ASFS1N-B30	Kycon, Inc.	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.5	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 105	ROHS3 Compliant
KUSBEX-ASFS1N-W	Kycon, Inc.	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.5	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 105	ROHS3 Compliant
61400416021	Würth Elektronik	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.5	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 105	ROHS3 Compliant
896-43-004-90-000000	Mill-Max Manufacturing Corp.	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.0	30	1500	Shielded	Gold	UL94 V-0	Not Specified	ROHS3 Compliant
AUSB1-4600	Allied Components International	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.5	30	Not Specified	Shielded	Not Specified	UL94 V-0	-55 ~ 85	ROHS3 Compliant
SS-52100-001	Stewart Connector	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	Not Specified	Not Specified	Not Specified	Shielded	Gold	UL94 V-0	Not Specified	ROHS3 Compliant
UE27AC54100	Amphenol ICC (Commercial Products)	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.0	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 85	ROHS3 Compliant
UE27AC5410H	Amphenol ICC (Commercial Products)	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	1.0	30	1500	Shielded	Gold	UL94 V-0	-40 ~ 85	ROHS3 Compliant
USB-A-S-F-B-TH	Samtec Inc.	USB-A	4	Receptacle	USB 2.0	Through Hole, Right Angle	Not Specified	30	1500	Shielded	Gold	UL94 V-0	-50 ~ 85	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the KUSBEX-ASFS1N-W30 based on matching connector type, contact configuration, USB 2.0 specification, through-hole right-angle mounting, and shielded construction. All substitute parts carry RoHS3 compliance or RoHS compliance certification, confirming adherence to hazardous substance restrictions.

Parts from Kycon, Inc. (KUSBEX-ASFS1N-B, KUSBEX-ASFS1N-B30, KUSBEX-ASFS1N-W) are direct parametric equivalents with identical electrical ratings and operating temperature ranges. The primary difference is insulation color (black versus white) and RoHS3 certification status.

Parts from Würth Elektronik (61400416021), Amphenol ICC (UE27AC54100, UE27AC5410H), and Samtec Inc. (USB-A-S-F-B-TH) meet all primary matching criteria and carry full RoHS3 compliance. These parts are suitable for applications where cross-manufacturer sourcing is required.

The Mill-Max Manufacturing Corp. part (896-43-004-90-000000) meets all primary criteria with a reduced current rating of 1.0A, suitable for applications not requiring the full 1.5A capacity. The Allied Components International part (AUSB1-4600) meets primary criteria with a narrower operating temperature range of -55°C to 85°C. The Stewart Connector part (SS-52100-001) meets primary mounting and interface criteria with incomplete electrical specification data.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the KUSBEX-ASFS1N-W30?

A: Substitution is based on matching connector type (USB-A receptacle), contact count (4 positions), USB 2.0 specification, through-hole right-angle mounting configuration, solder termination, shielded construction, and UL94 V-0 flammability rating. Electrical ratings must meet or exceed 1.5A current capacity and 30VAC voltage rating.

Q: Are Kycon parts with different insulation colors (black vs. white) interchangeable?

A: Yes. KUSBEX-ASFS1N-B, KUSBEX-ASFS1N-B30, and KUSBEX-ASFS1N-W are parametric equivalents to KUSBEX-ASFS1N-W30. Insulation color is a cosmetic variation; all parts share identical electrical and mechanical specifications.

Q: Can I use parts with lower current ratings as substitutes?

A: Parts with current ratings below 1.5A (such as the 1.0A rated parts from Mill-Max and Amphenol ICC) are electrically compatible but have reduced current capacity. Use only in applications where the actual current draw does not exceed the substitute part's rating.

Q: What is the significance of RoHS3 compliance versus RoHS compliance?

A: Both certifications confirm compliance with hazardous substance restrictions. RoHS3 represents the current regulatory standard. Parts marked as RoHS Compliant or ROHS3 Compliant are both acceptable for use in regulated applications.

Q: Do operating temperature ranges affect substitution suitability?

A: Operating temperature ranges define the thermal environment in which the connector functions reliably. The KUSBEX-ASFS1N-W30 operates from -40°C to 105°C. Substitute parts with narrower ranges (such as -40°C to 85°C or -55°C to 85°C) are suitable only if the application's thermal environment falls within the substitute part's specified range.

Q: Are cross-manufacturer substitutes as reliable as the original part?

A: All listed substitute parts meet identical functional and compliance criteria. Cross-manufacturer parts from Würth Elektronik, Amphenol ICC, Mill-Max, Allied Components, Stewart Connector, and Samtec are established manufacturers with established quality standards. Selection should be based on availability, lead time, and application-specific requirements.

Q: What is the significance of mating cycle ratings?

A: Mating cycle ratings indicate the number of times a connector can be mated and unmated before performance degradation. The KUSBEX-ASFS1N-W30 is rated for 1500 cycles. Substitute parts with matching or higher cycle ratings ensure equivalent mechanical durability.

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