MLO36-16IO1 Equivalent & Substitute Parts

Part Overview

The MLO36-16IO1 is a 1.6 kV SCR module manufactured by IXYS, designed for single-phase AC control applications with chassis mount configuration. This component integrates one SCR and one diode in a module package, rated for 28 A RMS on-state current. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations.

Key Parameters

Parameter	Value
Voltage - Off State	1.6 kV
Current - On State (It (RMS)) (Max)	28 A
Current - On State (It (AV)) (Max)	18 A
Voltage - Gate Trigger (Vgt) (Max)	1 V
Current - Gate Trigger (Igt) (Max)	65 mA
Current - Non Rep. Surge (Itsm)	360 A (50 Hz), 390 A (60 Hz)
Current - Hold (Ih) (Max)	100 mA
Operating Temperature Range	-40°C to 125°C (TJ)
Mounting Type	Chassis Mount
Structure	1-Phase Controller - SCR/Diode

Substitute Part Grouping Explanation

Substitution of the MLO36-16IO1 is determined by the following critical parameters:

Voltage Rating: Off-state voltage must be 1.6 kV or higher
Current Capacity: On-state RMS current rating must meet or exceed 28 A
Gate Trigger Characteristics: Vgt and Igt parameters must be compatible with existing gate drive circuits
Thermal Range: Operating temperature must encompass the application's thermal requirements
Mounting Configuration: Chassis mount requirement must be maintained
Module Structure: 1-Phase Controller configuration with integrated SCR and diode

The MLO140-16IO7 qualifies as a substitute based on matching or exceeding all critical electrical parameters while maintaining identical mounting and structural requirements.

Parameter Comparison

Parameter	MLO36-16IO1	MLO140-16IO7	Compatibility
Voltage - Off State	1.6 kV	1.6 kV	Matched
Current - On State (It (RMS)) (Max)	28 A	90 A	Substitute exceeds requirement
Current - On State (It (AV)) (Max)	18 A	58 A	Substitute exceeds requirement
Voltage - Gate Trigger (Vgt) (Max)	1 V	1.5 V	Substitute within acceptable range
Current - Gate Trigger (Igt) (Max)	65 mA	100 mA	Substitute exceeds requirement
Current - Non Rep. Surge (Itsm)	360 A (50 Hz), 390 A (60 Hz)	1150 A (50 Hz), 1230 A (60 Hz)	Substitute exceeds requirement
Current - Hold (Ih) (Max)	100 mA	200 mA	Substitute exceeds requirement
Operating Temperature Range	-40°C to 125°C	-40°C to 150°C	Substitute provides extended range
Mounting Type	Chassis Mount	Chassis Mount	Matched
Structure	1-Phase Controller - SCR/Diode	1-Phase Controller - SCR/Diode	Matched

Engineering Selection Recommendations

The MLO140-16IO7 is suitable as a substitute for the obsolete MLO36-16IO1 based on the following factors:

Product Status: The MLO140-16IO7 maintains active product status with current manufacturing support, whereas the MLO36-16IO1 is obsolete. This ensures long-term availability and supply chain continuity.

Electrical Compatibility: The substitute part maintains the same 1.6 kV off-state voltage rating and 1-phase controller architecture. All on-state current parameters, gate trigger specifications, and surge current ratings of the MLO140-16IO7 meet or exceed those of the original part, ensuring functional compatibility in existing applications.

Compliance and Certifications: The MLO140-16IO7 carries RoHS3 compliance certification, whereas the MLO36-16IO1 does not specify RoHS status. Both parts maintain REACH Unaffected status and identical ECCN and HTSUS classifications.

Thermal Performance: The extended operating temperature range of the MLO140-16IO7 (-40°C to 150°C versus -40°C to 125°C) provides additional thermal margin for demanding applications.

Mechanical Compatibility: Both parts share identical chassis mount configuration and module package type, facilitating direct mechanical integration without redesign.

Frequently Asked Questions (FAQ)

Q: Can the MLO140-16IO7 directly replace the MLO36-16IO1 in existing designs?

A: Yes. The MLO140-16IO7 maintains identical voltage rating, mounting type, and module structure. All electrical parameters meet or exceed the original specification, ensuring functional compatibility without circuit modification.

Q: What is the significance of the higher current ratings in the MLO140-16IO7?

A: The MLO140-16IO7 provides 90 A RMS on-state current capacity compared to 28 A in the MLO36-16IO1. This higher rating does not prevent substitution; the part will operate safely at the lower current levels required by applications designed for the original component.

Q: Are there gate drive circuit considerations when substituting?

A: The MLO140-16IO7 specifies a maximum gate trigger voltage of 1.5 V compared to 1 V for the MLO36-16IO1. Existing gate drive circuits designed for the original part will remain compatible, as the substitute accepts the same trigger voltage range with additional margin.

Q: Does the extended temperature range of the MLO140-16IO7 affect compatibility?

A: No. The extended range (-40°C to 150°C) is a superset of the original specification (-40°C to 125°C). Applications operating within the original thermal envelope will function identically.

Q: What compliance differences exist between these parts?

A: The MLO140-16IO7 carries RoHS3 compliance certification, making it suitable for applications with RoHS requirements. Both parts maintain REACH Unaffected status and identical trade classification codes.

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