MTSW-136-23-T-S-140-RA Equivalent & Substitute Parts

Part Overview

The MTSW-136-23-T-S-140-RA is a rectangular connector header manufactured by Samtec Inc. within the Flex Stack MTSW series. This through-hole, right-angle connector features 36 positions at 0.100" (2.54mm) pitch and is designed for board-to-board or cable applications. The part is Active in product status with 972 units in current inventory. Substitute parts are identified based on matching electrical and mechanical specifications within the MTSW-136 base product family.

Key Parameters

Parameter	Value
Manufacturer Part Number	MTSW-136-23-T-S-140-RA
Manufacturer	Samtec Inc.
Category	Rectangular Connectors
Series	Flex Stack, MTSW
Connector Type	Header, Cuttable
Contact Type	Male Pin
Number of Positions	36
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Contact Length - Mating	0.140" (4.66mm)
Contact Length - Post	0.090" (2.29mm)
Insulation Height	0.119" (3.02mm)
Operating Temperature	-55°C ~ 105°C
Current Rating	3A
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the MTSW-136-23-T-S-140-RA are identified within the MTSW-136 base product family. All substitute parts maintain identical specifications across the following critical parameters:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 36
Contact Type: Male Pin
Mounting Type: Through Hole, Right Angle
Contact Length - Mating: 0.140" (4.66mm)
Contact Length - Post: 0.090" (2.29mm)
Insulation Height: 0.119" (3.02mm)
Operating Temperature: -55°C ~ 105°C
Current Rating: 3A
Material Flammability Rating: UL94 V-0
RoHS Status: ROHS3 Compliant
Series: Flex Stack, MTSW

The substitute parts differ only in internal configuration codes (position 8 and position 11-12 of the part number), which do not affect the electrical or mechanical interface characteristics.

Parameter Comparison

Parameter	MTSW-136-23-T-S-140-RA	MTSW-136-08-T-S-140-RA	MTSW-136-22-T-S-140-RE	MTSW-136-24-T-S-140-RA
Manufacturer	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Series	Flex Stack, MTSW	Flex Stack, MTSW	Flex Stack, MTSW	Flex Stack, MTSW
Connector Type	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	36	36	36	36
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Contact Length - Mating	0.140" (4.66mm)	0.140" (4.66mm)	0.140" (4.66mm)	0.140" (4.66mm)
Contact Length - Post	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)
Insulation Height	0.119" (3.02mm)	0.119" (3.02mm)	0.119" (3.02mm)	0.119" (3.02mm)
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Current Rating	3A	3A	3A	3A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active
Inventory	972 Pcs	1139 Pcs	996 Pcs	917 Pcs

Engineering Selection Recommendations

All substitute parts listed maintain Active product status with ROHS3 compliance and UL94 V-0 flammability certification. Selection between MTSW-136-23-T-S-140-RA and its substitutes should be based on availability and internal configuration requirements specific to the application. Current inventory levels are adequate across all four part numbers, with MTSW-136-08-T-S-140-RA offering the highest stock position at 1139 units.

Frequently Asked Questions (FAQ)

Q: Are MTSW-136-23-T-S-140-RA and MTSW-136-08-T-S-140-RA electrically and mechanically interchangeable?

A: Yes. Both parts share identical electrical and mechanical specifications including pitch, position count, contact dimensions, operating temperature range, and current rating. The difference in part number reflects internal configuration only.

Q: What is the difference between MTSW-136-22-T-S-140-RE and MTSW-136-23-T-S-140-RA?

A: The electrical and mechanical interface specifications are identical. The variation in the part number suffix indicates internal configuration differences that do not affect connector performance or compatibility.

Q: Can I substitute MTSW-136-24-T-S-140-RA for MTSW-136-23-T-S-140-RA in my design?

A: Yes. Both parts are functionally equivalent with matching pitch, position count, contact geometry, temperature rating, and current capacity. Selection can be based on availability and internal configuration requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed—MTSW-136-23-T-S-140-RA, MTSW-136-08-T-S-140-RA, MTSW-136-22-T-S-140-RE, and MTSW-136-24-T-S-140-RA—carry ROHS3 compliance certification.

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

A: All substitute parts operate within -55°C to 105°C, supporting applications across industrial and commercial temperature environments.

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