TL49W000000 Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The TL49W000000 is an APEM Inc. toggle switch featuring DPDT (Double Pole Double Throw) circuitry with On-Off-On switching function. This through-hole, right-angle mounted component is rated for 0.4VA at 20V AC/DC operation. The part is currently active in production with 652 units in stock. Equivalent substitute parts are identified to support procurement flexibility, design redundancy, and supply chain continuity when the primary part becomes unavailable or when alternative sourcing is required.

Substiute Parts

TL49W000000

APEM Inc.In Stock: 689TL49W000000 Datasheet

Current PartRFQ

34CMDP32B2M6RT

Grayhill Inc.In Stock: 115634CMDP32B2M6RT Datasheet

SimilarRFQ

T203MH9ABE

C&KIn Stock: 846T203MH9ABE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TL49W000000 are qualified based on strict electrical and mechanical parameter alignment. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Circuit configuration: DPDT
• Switch function: On-Off-On
• Current rating: 0.4VA (AC/DC)
• Voltage rating: 20V AC and 20V DC
• Mounting type: Through Hole, Right Angle
• Termination style: PC Pin
• Operating temperature range: -30°C to 85°C
• Electrical life: 30,000 cycles minimum

Allowable Variations:

• Actuator length: ±0.03mm tolerance
• Actuator material finish (Nickel Plated vs. Chrome Plated)
• Manufacturer identity and series designation
• REACH compliance status (when part is REACH Affected vs. Unaffected)

The identified substitutes—34CMDP32B2M6RT (Grayhill Inc.) and T203MH9ABE (C&K)—meet all critical electrical and mechanical requirements and are therefore direct functional equivalents for the TL49W000000.

Parameter Comparison

Engineering Selection Recommendations

All three parts—TL49W000000, 34CMDP32B2M6RT, and T203MH9ABE—are active production components with ROHS3 compliance and equivalent electrical performance. Selection between these parts should be based on the following factors:

TL49W000000 (APEM Inc.): Primary choice when REACH Unaffected status is required for supply chain documentation. Nickel-plated actuator material provides corrosion resistance in specific environmental applications.

34CMDP32B2M6RT (Grayhill Inc.): Suitable for applications requiring REACH Unaffected compliance with chrome-plated actuator finish. Highest current inventory availability (1099 units) supports rapid procurement.

T203MH9ABE (C&K): Functionally equivalent with REACH Affected status. Chrome-plated actuator material. Appropriate for applications where REACH compliance documentation is managed separately or where supply chain requirements do not restrict REACH Affected components.

All three parts satisfy identical electrical and mechanical requirements for DPDT toggle switch applications operating at 0.4VA, 20V AC/DC with through-hole, right-angle mounting.

Frequently Asked Questions (FAQ)

Q: Can T203MH9ABE replace TL49W000000 in all applications? A: Yes, from an electrical and mechanical standpoint. The T203MH9ABE meets all critical parameters: DPDT circuit, On-Off-On function, 0.4VA rating, 20V AC/DC, through-hole right-angle mounting, and 30,000-cycle electrical life. The difference is REACH status; T203MH9ABE is REACH Affected while TL49W000000 is REACH Unaffected. Verify REACH compliance requirements for your specific application before substitution.

Q: What is the significance of the 0.03mm actuator length difference? A: The actuator length variation (5.30mm vs. 5.33mm) is within normal manufacturing tolerance and does not affect functional performance or panel mounting compatibility. All three parts use standard round actuators with identical engagement characteristics.

Q: Are the actuator material finishes (Nickel vs. Chrome) interchangeable? A: Both finishes provide corrosion resistance and are functionally equivalent for standard applications. Nickel plating (TL49W000000) and chrome plating (34CMDP32B2M6RT, T203MH9ABE) differ in environmental durability profiles. Select based on specific environmental exposure requirements; both are acceptable for general industrial use.

Q: Which part should I select for new designs? A: All three parts are active production components suitable for new designs. Consider REACH compliance requirements, preferred manufacturer relationships, and current inventory availability. Electrical and mechanical performance is identical across all three options.

Q: Is PCB layout compatibility affected by manufacturer differences? A: No. All three parts use identical PC Pin termination style and through-hole mounting configuration. PCB footprints and layout requirements are equivalent.