CMD60125 Solid State Relay SPST-NO 125A 48-660V Equivalent & Substitute Parts

Part Overview

The CMD60125 is a solid state relay (SSR) manufactured by Sensata Technologies, configured as a single-pole single-throw normally open (SPST-NO) device rated for 125A load current across 48V to 660V AC output. This component features a hockey puck form factor with screw terminal connections and zero-cross switching capability. The CMD60125 is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations.

Substiute Parts

CMD60125

Sensata TechnologiesIn Stock: 989CMD60125 Datasheet

Current PartRFQ

CWD48125

Sensata-CrydomIn Stock: 700CWD48125 Datasheet

MFR RecommendedRFQ

HD60125

Sensata-CrydomIn Stock: 823HD60125 Datasheet

MFR RecommendedRFQ

CWD48125

Sensata-CrydomIn Stock: 700CWD48125 Datasheet

MFR RecommendedRFQ

HD60125

Sensata-CrydomIn Stock: 823HD60125 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the CMD60125 is determined by strict electrical and mechanical parameter matching:

Critical Parameters for Substitution:

• Circuit configuration: SPST-NO (1 Form A)
• Output type: AC with zero-cross switching
• Load voltage range: 48 V ~ 660 V
• Load current rating: 125 A
• Input voltage range: minimum 4VDC (upper limit may vary)
• Mounting type: Chassis Mount
• Termination style: Screw Terminal
• Package form factor: Hockey Puck

The substitute parts CWD48125 and HD60125 meet all critical electrical parameters. Both are manufactured by Sensata-Crydom and maintain identical load voltage, load current, circuit configuration, output type, mounting type, termination style, and package specifications. Input voltage ranges differ slightly but remain within acceptable substitution parameters. Both substitute parts carry active product status and current compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Both CWD48125 and HD60125 are direct functional equivalents to the CMD60125. Selection between these two substitute parts should be based on the following factors:

CWD48125 (Sensata-Crydom CW48 Series):

• Input voltage range: 4 ~ 32VDC (matches CMD60125 specification exactly)
• Product status: Active with current manufacturing support
• Compliance: ROHS3 Compliant, REACH Affected
• Availability: 667 units in stock

HD60125 (Sensata-Crydom HD60 Series):

• Input voltage range: 3 ~ 32VDC (extends lower input threshold by 1V)
• Product status: Active with current manufacturing support
• Compliance: ROHS3 Compliant, REACH Affected
• Availability: 804 units in stock

Both parts satisfy all critical electrical and mechanical parameters. The HD60125 offers a marginally lower input voltage threshold, which may provide operational flexibility in applications with lower input voltage margins. The CWD48125 maintains exact input voltage specification alignment with the original CMD60125.

Frequently Asked Questions (FAQ)

Q: Can CWD48125 or HD60125 be used as direct replacements for CMD60125 in existing applications?

A: Yes. Both substitute parts maintain identical load voltage (48 V ~ 660 V), load current (125 A), circuit configuration (SPST-NO), output type (AC, zero-cross), mounting type (chassis mount), termination style (screw terminal), and package form factor (hockey puck). Input voltage ranges are compatible with the original specification.

Q: What is the difference between CWD48125 and HD60125?

A: The primary difference is the input voltage range. CWD48125 operates at 4 ~ 32VDC, matching the CMD60125 specification exactly. HD60125 operates at 3 ~ 32VDC, extending the lower input voltage threshold by 1 volt. All other electrical and mechanical parameters are identical.

Q: Why is the CMD60125 listed as obsolete?

A: The CMD60125 has been discontinued by Sensata Technologies. The CWD48125 and HD60125 represent the current active product line equivalents from Sensata-Crydom and are recommended for new designs and ongoing system support.

Q: Are there any compliance differences between the original and substitute parts?

A: The CMD60125 is RoHS Compliant. Both substitute parts (CWD48125 and HD60125) are ROHS3 Compliant, representing a more recent compliance standard. Both substitute parts are also REACH Affected, indicating compliance with REACH regulations. All three parts share the same ECCN (EAR99) and HTSUS (8536.49.0080) classifications.

Q: Can these parts be used interchangeably in the same circuit board layout?

A: Yes. All three parts share identical mounting type (chassis mount), termination style (screw terminal), and package form factor (hockey puck), ensuring mechanical and electrical compatibility in existing designs.

Q: Which substitute part should be selected for new designs?

A: Both CWD48125 and HD60125 are suitable for new designs. Selection should be based on specific input voltage requirements. If the application requires operation at input voltages below 4VDC, HD60125 is the appropriate choice. For applications operating at 4VDC and above, either part is acceptable.