ADP08 Equivalent & Substitute Parts

Part Overview

The ADP08 is an 8-position DIP switch manufactured by TE Connectivity ALCOSWITCH Switches, configured as a Single Pole Single Throw (SPST) switch with piano actuator. The switch is rated for 25mA at 24VDC and features through-hole, right-angle mounting with gold-plated copper alloy contacts. The ADP08 is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support and component procurement.

Substiute Parts

ADP08

TE Connectivity ALCOSWITCH SwitchesIn Stock: 862ADP08 Datasheet

Current PartRFQ

2-1571999-6

TE Connectivity ALCOSWITCH SwitchesIn Stock: 33102-1571999-6 Datasheet

DirectRFQ

KAP1108E

E-SwitchIn Stock: 2569KAP1108E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADP08 are qualified based on the following critical parameters that ensure functional and mechanical compatibility:

Electrical Compatibility Parameters:

• Circuit configuration (SPST)
• Number of positions (8)
• Current rating (25mA minimum)
• Voltage rating (24VDC minimum)

Mechanical Compatibility Parameters:

• Actuator type (Piano)
• Mounting type (Through Hole, Right Angle)
• Pitch spacing (0.100" / 2.54mm)
• Termination style (PC Pin)

Environmental Parameters:

• Operating temperature range (minimum -30°C ~ 85°C)

The substitute parts identified below meet or exceed these core parameters. Variations in secondary characteristics such as contact material, body material, height above board, and mechanical/electrical life cycles are documented but do not preclude substitution when primary parameters align.

Parameter Comparison

Engineering Selection Recommendations

2-1571999-6 (TE Connectivity ALCOSWITCH)

The 2-1571999-6 is the direct equivalent substitute for the ADP08. Both parts are manufactured by TE Connectivity ALCOSWITCH and share identical electrical and mechanical specifications. The 2-1571999-6 is currently in active production status with 3,257 units in stock. This part is ROHS3 compliant, addressing regulatory requirements that the obsolete ADP08 does not meet. The 2-1571999-6 is the preferred substitute when component continuity and regulatory compliance are required.

KAP1108E (E-Switch)

The KAP1108E is a cross-manufacturer substitute manufactured by E-Switch. It meets all core electrical and mechanical compatibility parameters: SPST configuration, 8 positions, 25mA current rating, 24VDC voltage rating, piano actuator, through-hole right-angle mounting, and 0.100" pitch. The KAP1108E is currently in active production with 2,523 units in stock and is ROHS3 compliant. Notable differences include a higher height above board (0.402" versus 0.294"), phosphor bronze contact material instead of copper alloy, and extended mechanical and electrical life ratings (2,000 cycles versus 1,000 cycles). The KAP1108E is not washable, whereas the ADP08 and 2-1571999-6 are washable. The KAP1108E is suitable for applications where the increased height and extended life cycle are acceptable and where washability is not required.

Frequently Asked Questions (FAQ)

Q: Can the 2-1571999-6 be used as a direct replacement for the ADP08?

A: Yes. The 2-1571999-6 is the direct equivalent substitute. Both parts share identical electrical ratings (25mA, 24VDC, SPST), mechanical configuration (8-position piano actuator, through-hole right-angle mounting, 0.100" pitch), and operating temperature range (-30°C ~ 85°C). The 2-1571999-6 is currently in active production and is ROHS3 compliant.

Q: What are the key differences between the 2-1571999-6 and KAP1108E?

A: Both parts meet core electrical and mechanical compatibility requirements. The 2-1571999-6 is manufactured by TE Connectivity ALCOSWITCH (same manufacturer as the ADP08) with identical height above board (0.287" versus 0.402" for the KAP1108E). The KAP1108E offers extended mechanical and electrical life (2,000 cycles versus 1,000 cycles) and a wider operating temperature range (-40°C ~ 85°C versus -30°C ~ 85°C). The KAP1108E uses phosphor bronze contacts instead of copper alloy and is not washable, whereas both TE Connectivity parts are washable.

Q: Are there PCB layout considerations when substituting the KAP1108E for the ADP08?

A: Yes. The KAP1108E has a height above board of 0.402" compared to the ADP08's 0.294". This 0.108" difference may affect clearance with overlying components or enclosure constraints. PCB layout review is necessary to confirm adequate vertical clearance. The pitch spacing (0.100") and length (0.861" versus 0.878") are compatible with the original ADP08 footprint.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both the 2-1571999-6 and KAP1108E are ROHS3 compliant. The original ADP08 is RoHS non-compliant. If regulatory compliance is a design requirement, either substitute part is acceptable.

Q: What is the impact of contact material differences between the ADP08 and KAP1108E?

A: The ADP08 and 2-1571999-6 use copper alloy contacts with gold finish. The KAP1108E uses phosphor bronze contacts with gold finish. Both contact materials are suitable for 25mA switching at 24VDC. Phosphor bronze offers enhanced durability and is reflected in the KAP1108E's extended mechanical life rating (2,000 cycles versus 1,000 cycles).

Q: Can the ADP08 be used in new designs?

A: No. The ADP08 is classified as obsolete. For new designs, either the 2-1571999-6 or KAP1108E should be selected based on specific application requirements regarding height constraints, washability, and mechanical life expectations.

Q: What is the difference between the ADP08 and 2-1571999-6 packaging?

A: The ADP08 packaging is listed as "-" (unspecified). The 2-1571999-6 is supplied in tube packaging. Both parts are identical in electrical and mechanical specifications. Tube packaging is standard for active production components.