MS-156HF(02) Equivalent & Substitute Parts

Part Overview

The MS-156HF(02) is a coaxial switch receptacle connector manufactured by Hirose Electric Co Ltd, designed for 50 Ohm RF applications. This surface mount component features a 4mm plug diameter with internal switch functionality and solder termination for both center contact and shield. The part is Active status and RoHS Compliant, with MSL 1 rating suitable for standard PCB assembly processes. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and packaging availability to support procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	MS-156HF(02)
Manufacturer	Hirose Electric Co Ltd
Category	Coaxial Connectors (RF)
Connector Style	Coaxial Switch - 4mm Plug Dia
Connector Type	Receptacle, Female Socket
Impedance	50 Ohms
Mounting Type	Surface Mount
Contact Termination	Solder
Shield Termination	Solder
Frequency - Max	6 GHz
Number of Ports	1
Fastening Type	Snap-On
Operating Temperature	-40°C ~ 85°C
Mating Cycles	100
Insertion Loss	0.15dB
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MS-156HF(02) is determined by the following critical parameters:

Electrical Compatibility Requirements:

Impedance: 50 Ohms (mandatory match)
Frequency - Max: 6 GHz minimum
Insertion Loss: 0.15dB or lower
Number of Ports: 1 (mandatory match)

Mechanical Compatibility Requirements:

Connector Style: Coaxial Switch - 4mm Plug Dia (mandatory match)
Connector Type: Receptacle, Female Socket (mandatory match)
Contact Termination: Solder (mandatory match)
Shield Termination: Solder (mandatory match)
Mounting Type: Surface Mount (mandatory match)
Fastening Type: Snap-On (mandatory match)

Environmental & Compliance Requirements:

Operating Temperature: -40°C ~ 85°C minimum range
Mating Cycles: 100 minimum
RoHS Status: RoHS Compliant
MSL Rating: 1 (Unlimited)

Substitute parts are grouped into three categories: Direct equivalents (identical specifications and packaging), direct manufacturer alternatives (identical specifications with different packaging), manufacturer-recommended upgrades (enhanced frequency capability), and parametric equivalents (identical core specifications with packaging variations).

Parameter Comparison

Parameter	MS-156HF(02)	MS-156HF	MS-156HF(01)	MS-156HF(20)	MS-156HF(22)	MS-156C	MS-156C(20)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Strip	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Impedance	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms
Frequency - Max	6 GHz	6 GHz	6 GHz	6 GHz	6 GHz	11 GHz	11 GHz
Insertion Loss	0.15dB	0.15dB	0.15dB	0.15dB	0.15dB	0.4dB	0.4dB
Center Contact Material	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Copper Alloy	Copper Alloy
Mating Cycles	100	100	100	100	100	100	100
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Equivalents (Identical Electrical & Mechanical Specifications):

MS-156HF, MS-156HF(01), MS-156HF(20), and MS-156HF(22) are direct electrical and mechanical equivalents to MS-156HF(02). Selection among these parts is determined by packaging requirements: MS-156HF and MS-156HF(20) are supplied in Tape & Reel format for automated assembly; MS-156HF(01) is supplied in Strip format for manual or semi-automated processes. MS-156HF(22) includes Pick and Place Cap feature in addition to standard specifications. All maintain identical 50 Ohm impedance, 6 GHz maximum frequency, 0.15dB insertion loss, and Beryllium Copper center contact material. All are Active status, RoHS Compliant, and MSL 1 rated.

Manufacturer-Recommended Upgrades (Enhanced Frequency Capability):

MS-156C and MS-156C(20) are manufacturer-recommended alternatives offering extended frequency capability to 11 GHz, compared to 6 GHz for the MS-156HF series. These parts maintain identical 50 Ohm impedance, mechanical compatibility, and environmental specifications. The trade-off is increased insertion loss of 0.4dB versus 0.15dB for the MS-156HF(02). Center contact material differs (Copper Alloy versus Beryllium Copper). Both MS-156C variants are Active status, RoHS Compliant, and MSL 1 rated. Selection between MS-156C and MS-156C(20) follows packaging requirements: both supplied in Tape & Reel format.

Compliance & Availability:

All substitute parts maintain RoHS Compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and lead-free soldering requirements. All parts are Active status with confirmed inventory availability.

Frequently Asked Questions (FAQ)

Q: Can MS-156HF(01) replace MS-156HF(02) in production assembly?

A: Yes. MS-156HF(01) is electrically and mechanically identical to MS-156HF(02). The difference is packaging: MS-156HF(01) is supplied in Strip format while MS-156HF(02) is Tape & Reel. Strip packaging is suitable for manual or semi-automated pick-and-place processes, while Tape & Reel is optimized for high-speed automated assembly. Verify your assembly equipment compatibility before substitution.

Q: What is the difference between MS-156HF(02) and MS-156C(20)?

A: Both are 50 Ohm coaxial switch receptacles with identical mechanical form factor and mounting type. Key differences are: MS-156C(20) supports 11 GHz maximum frequency versus 6 GHz for MS-156HF(02); MS-156C(20) has 0.4dB insertion loss versus 0.15dB for MS-156HF(02); MS-156C(20) uses Copper Alloy center contact versus Beryllium Copper for MS-156HF(02). MS-156C(20) is suitable for applications requiring extended frequency range but with higher signal loss tolerance.

Q: Are all substitute parts RoHS Compliant?

A: Yes. All listed substitute parts—MS-156HF, MS-156HF(01), MS-156HF(20), MS-156HF(22), MS-156C, and MS-156C(20)—are RoHS Compliant and MSL 1 rated, meeting standard PCB assembly and lead-free soldering requirements.

Q: What does the packaging designation mean for MS-156HF(02)?

A: MS-156HF(02) is supplied in Tape & Reel (TR) format, which is standard for automated pick-and-place assembly. The tape contains components in standardized spacing for high-speed placement equipment. Alternative packaging options include Strip format (MS-156HF(01)) for manual assembly or lower-volume processes.

Q: Can I use MS-156HF(22) instead of MS-156HF(02)?

A: Yes. MS-156HF(22) is a parametric equivalent with identical electrical specifications (50 Ohm, 6 GHz, 0.15dB insertion loss) and mechanical compatibility. The distinction is that MS-156HF(22) includes a Pick and Place Cap feature. Both are Tape & Reel packaged and suitable for automated assembly. Verify that the Pick and Place Cap does not interfere with your specific PCB layout or assembly process.

Q: What is the maximum operating temperature for these connectors?

A: All substitute parts operate within the range of -40°C to 85°C, matching the MS-156HF(02) specification. This range is suitable for standard commercial and industrial applications. Verify your application's thermal requirements fall within this range before final component selection.

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