ALZ12F09W Equivalent & Substitute Parts

Part Overview

The ALZ12F09W is a general purpose relay manufactured by Panasonic Electric Works, featuring a Single Pole Double Throw (SPDT) contact configuration with a 9VDC coil. This through-hole mounted relay is designed for applications requiring 16A switching capacity at up to 440VAC. The part is currently active in production with full inventory availability. Equivalent substitute parts are identified to provide procurement flexibility, supply chain alternatives, and continuity of design implementation across compatible applications.

Substiute Parts

ALZ12F09W

Panasonic Electric WorksIn Stock: 1099ALZ12F09W Datasheet

Current PartRFQ

RZ03-1C4-D009

TE Connectivity Potter & Brumfield RelaysIn Stock: 5684RZ03-1C4-D009 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ALZ12F09W is determined by strict equivalence across the following critical parameters:

• Coil voltage: 9VDC (exact match required)
• Contact configuration: SPDT (1 Form C) (exact match required)
• Current rating: 16 A (exact match required)
• Mounting type: Through Hole (exact match required)
• Termination style: PC Pin (exact match required)
• Coil type: Non Latching (exact match required)
• Coil insulation class: Class F (exact match required)
• Must operate and release voltages: 6.3 VDC / 0.9 VDC (exact match required)

The substitute part RZ03-1C4-D009 meets all mandatory substitution criteria. Variations in switching voltage maximum, operate/release timing, operating temperature range, contact material, and seal rating do not preclude substitution when the above parameters are identical.

Parameter Comparison

Engineering Selection Recommendations

Both the ALZ12F09W and RZ03-1C4-D009 are active production parts with current regulatory compliance. The ALZ12F09W carries RoHS Compliant certification, while the RZ03-1C4-D009 carries ROHS3 Compliant certification and REACH Unaffected status. Selection between these parts should be based on application-specific requirements:

The ALZ12F09W supports an extended operating temperature range to 105°C and features fully sealed construction with Silver Tin Oxide contact material. The RZ03-1C4-D009 operates to 85°C maximum with Silver Nickel contacts and offers faster operate time (8 ms versus 15 ms). Both parts are electrically equivalent for 9VDC, 16A SPDT switching applications and share identical coil current, must-operate voltage, and must-release voltage specifications.

Frequently Asked Questions (FAQ)

Q: Can RZ03-1C4-D009 be used as a direct replacement for ALZ12F09W?

A: Yes. Both relays meet all mandatory substitution criteria: 9VDC coil, SPDT contact form, 16A rating, through-hole mounting, PC pin termination, non-latching coil type, Class F insulation, and identical must-operate/release voltages. Electrical and mechanical compatibility is confirmed.

Q: What are the differences in operating temperature range?

A: The ALZ12F09W operates from -40°C to 105°C, while the RZ03-1C4-D009 operates from -40°C to 85°C. Applications requiring operation above 85°C must use the ALZ12F09W.

Q: How do the switching voltage ratings differ?

A: The ALZ12F09W supports 440VAC maximum switching voltage, while the RZ03-1C4-D009 supports 400VAC maximum. Applications requiring switching above 400VAC must use the ALZ12F09W.

Q: What is the difference in operate and release times?

A: The ALZ12F09W has an operate time of 15 ms and release time of 5 ms. The RZ03-1C4-D009 has an operate time of 8 ms and release time of 6 ms. Applications with timing-critical requirements should verify compatibility with the specific relay selected.

Q: Are there packaging differences?

A: Yes. The ALZ12F09W is supplied in Bulk packaging, while the RZ03-1C4-D009 is supplied in Tube packaging. Verify packaging requirements for your procurement and assembly processes.

Q: What contact materials are used?

A: The ALZ12F09W uses Silver Tin Oxide (AgSnO) contacts, while the RZ03-1C4-D009 uses Silver Nickel (AgNi) contacts. Both materials are suitable for general purpose switching applications at the specified ratings.

Q: Are both parts RoHS compliant?

A: Yes. The ALZ12F09W is RoHS Compliant. The RZ03-1C4-D009 is ROHS3 Compliant and REACH Unaffected, providing additional regulatory coverage for certain markets.