KAE08TGGT Equivalent & Substitute Parts

Part Overview

The KAE08TGGT is an 8-position surface mount DIP slide switch manufactured by E-Switch. This SPST switch is rated for 25mA at 24VDC with a flush, recessed slide actuator and gold-plated copper contacts. The part is actively produced and RoHS3 compliant, making it suitable for applications requiring reliable switching in industrial and commercial environments.

Substitute parts become necessary when the primary part experiences extended lead times, inventory constraints, or when alternative packaging formats are required for manufacturing optimization. The following equivalent components maintain functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Circuit Configuration	SPST
Number of Positions	8
Current Rating	25mA
Voltage Rating	24VDC
Actuator Type	Slide (Standard)
Actuator Level	Flush, Recessed
Mounting Type	Surface Mount
Pitch	0.100" (2.54mm)
Contact Finish	Gold
Termination Style	Gull Wing
Operating Temperature Range	-20°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the KAE08TGGT is determined by strict adherence to the following critical parameters:

Primary Compatibility Criteria:

Circuit configuration must be SPST
Number of positions must be 8
Current rating must be 25mA minimum
Voltage rating must be 24VDC minimum
Actuator type must be Slide (Standard)
Actuator level must be Flush, Recessed
Mounting type must be Surface Mount
Pitch must be 0.100" (2.54mm)
Contact finish must be Gold
Termination style must be Gull Wing

Acceptable Variations:

Packaging format (Tube or Tape & Reel)
Contact material composition (Copper or Copper Alloy or Beryllium Copper)
Body material composition
Height above board within mechanical tolerance
Length within mechanical tolerance
Operating temperature range may exceed specified minimum

The substitute parts listed below meet all primary compatibility criteria and are functionally equivalent for direct replacement in the KAE08TGGT application.

Parameter Comparison

Parameter	KAE08TGGT (E-Switch)	DMR08T (APEM Inc.)	DMR08TTR (APEM Inc.)	219-8LPSTRF (CTS Electrocomponents)
Circuit	SPST	SPST	SPST	SPST
Number of Positions	8	8	8	8
Current Rating	25mA	25mA	25mA	100mA
Voltage Rating	24VDC	24VDC	24VDC	20VDC
Actuator Type	Slide (Standard)	Slide (Standard)	Slide (Standard)	Slide (Standard)
Actuator Level	Flush, Recessed	Flush, Recessed	Flush, Recessed	Flush, Recessed
Contact Material	Copper	Copper Alloy	Copper Alloy	Beryllium Copper
Contact Finish	Gold	Gold	Gold	Gold
Height Above Board	0.148" (3.75mm)	0.146" (3.70mm)	0.146" (3.70mm)	0.160" (4.06mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Termination Style	Gull Wing	Gull Wing	Gull Wing	Gull Wing
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Length	0.841" (21.36mm)	0.837" (21.26mm)	0.837" (21.26mm)	0.858" (21.80mm)
Operating Temperature	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-55°C ~ 85°C
Electrical Life	2,000 Cycles	2,000 Cycles	2,000 Cycles	2,000 Cycles
Packaging	Tube	Tube	Tape & Reel (TR)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

DMR08T and DMR08TTR (APEM Inc.): These parts are direct functional equivalents to the KAE08TGGT with identical electrical ratings (25mA, 24VDC) and mechanical specifications. Both are RoHS3 compliant and carry MSL 1 rating. The primary difference is packaging: DMR08T is supplied in Tube format, while DMR08TTR is supplied in Tape & Reel format. Selection between these two depends on manufacturing process requirements and assembly automation capabilities.

219-8LPSTRF (CTS Electrocomponents): This part meets all primary compatibility criteria with the exception of voltage and current ratings. The 219-8LPSTRF is rated for 100mA at 20VDC, which provides higher current capacity but lower voltage rating compared to the KAE08TGGT. This part is suitable for applications where the 24VDC requirement can be reduced to 20VDC and where the higher current rating does not create design conflicts. The 219-8LPSTRF is supplied in Tape & Reel format and features Epoxy Sealed Terminals in addition to Tape Seal.

All substitute parts maintain RoHS3 compliance, MSL 1 rating, and REACH Unaffected status, ensuring regulatory compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can DMR08T or DMR08TTR be used as direct replacements for KAE08TGGT?

A: Yes. Both APEM Inc. parts are direct functional equivalents with identical electrical ratings (25mA, 24VDC) and mechanical specifications. The only difference is packaging format. DMR08T is supplied in Tube; DMR08TTR is supplied in Tape & Reel.

Q: What is the difference between DMR08T and DMR08TTR?

A: Both parts are electrically and mechanically identical. DMR08T uses Tube packaging, suitable for manual assembly or lower-volume production. DMR08TTR uses Tape & Reel packaging, optimized for automated pick-and-place assembly systems.

Q: Can 219-8LPSTRF replace KAE08TGGT in all applications?

A: The 219-8LPSTRF is functionally compatible for 8-position SPST surface mount applications with identical mechanical specifications. However, it is rated for 20VDC maximum and 100mA, compared to the KAE08TGGT's 24VDC and 25mA ratings. Use 219-8LPSTRF only in applications where the circuit operates at 20VDC or lower and where the higher current rating does not create design conflicts.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. KAE08TGGT, DMR08T, DMR08TTR, and 219-8LPSTRF are all RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What are the mechanical tolerance differences between substitute parts?

A: Height above board varies slightly: KAE08TGGT is 0.148" (3.75mm), DMR08T and DMR08TTR are 0.146" (3.70mm), and 219-8LPSTRF is 0.160" (4.06mm). Length also varies within 0.021" (0.54mm) across all parts. These variations are within standard PCB assembly tolerances and do not affect functional compatibility.

Q: Which substitute part has the widest operating temperature range?

A: The 219-8LPSTRF operates from -55°C to 85°C, providing a lower temperature limit of -55°C compared to -20°C for the KAE08TGGT, DMR08T, and DMR08TTR. Select 219-8LPSTRF for applications requiring extended low-temperature operation.

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