TXS2SL-4.5V-X Equivalent & Substitute Parts

Part Overview

The TXS2SL-4.5V-X is a general purpose relay manufactured by Panasonic Electric Works, configured as a DPDT (2 Form C) surface mount component with 1 A contact rating and 4.5 VDC coil voltage. This relay is classified as Active product status and is fully sealed with silver and gold contact materials. Substitute parts are identified when packaging configurations differ or when inventory availability requires alternative sourcing while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer	Panasonic Electric Works
Series	TX-S
Coil Voltage	4.5 VDC
Contact Form	DPDT (2 Form C)
Contact Rating (Current)	1 A
Switching Voltage (Max)	110 VDC
Coil Current	11.1 mA
Coil Type	Non Latching
Mounting Type	Surface Mount
Termination Style	Gull Wing
Seal Rating	Sealed - Fully
Operating Temperature Range	-40°C to 70°C
Contact Material	Silver (Ag), Gold (Au)
Coil Resistance	405 Ohms
Must Operate Voltage	3.6 VDC
Must Release Voltage	0.45 VDC
Operate Time	5 ms
Release Time	5 ms
Product Status	Active
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the TXS2SL-4.5V-X are identified based on electrical and mechanical parameter equivalence within the TX-S series. The substitution criteria are strictly limited to the following parameters:

Coil voltage: 4.5 VDC
Contact form: DPDT (2 Form C)
Contact rating: 1 A
Switching voltage: 110 VDC maximum
Coil current: 11.1 mA
Mounting type: Surface Mount
Termination style: Gull Wing
Seal rating: Sealed - Fully
Operating temperature range: -40°C to 70°C
Contact material: Silver (Ag), Gold (Au)
Coil resistance: 405 Ohms
Must operate voltage: 3.6 VDC
Must release voltage: 0.45 VDC
Operate time: 5 ms
Release time: 5 ms

The identified substitutes differ only in packaging configuration (Tape & Reel versus Cut Tape & Digi-Reel) and RoHS certification variant, with all electrical and mechanical characteristics remaining identical.

Parameter Comparison

Parameter	TXS2SL-4.5V-X	TXS2SA-4.5V-Z	TXS2SS-4.5V-Z
Manufacturer	Panasonic Electric Works	Panasonic Electric Works	Panasonic Electric Works
Series	TX-S	TX-S	TX-S
Coil Voltage	4.5 VDC	4.5 VDC	4.5 VDC
Contact Form	DPDT (2 Form C)	DPDT (2 Form C)	DPDT (2 Form C)
Contact Rating (Current)	1 A	1 A	1 A
Switching Voltage (Max)	110 VDC	110 VDC	110 VDC
Coil Current	11.1 mA	11.1 mA	11.1 mA
Coil Type	Non Latching	Non Latching	Non Latching
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Termination Style	Gull Wing	Gull Wing	Gull Wing
Seal Rating	Sealed - Fully	Sealed - Fully	Sealed - Fully
Operating Temperature Range	-40°C to 70°C	-40°C to 70°C	-40°C to 70°C
Contact Material	Silver (Ag), Gold (Au)	Silver (Ag), Gold (Au)	Silver (Ag), Gold (Au)
Coil Resistance	405 Ohms	405 Ohms	405 Ohms
Must Operate Voltage	3.6 VDC	3.6 VDC	3.6 VDC
Must Release Voltage	0.45 VDC	0.45 VDC	0.45 VDC
Operate Time	5 ms	5 ms	5 ms
Release Time	5 ms	5 ms	5 ms
Packaging	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Active	Active	Active

Engineering Selection Recommendations

All three parts—TXS2SL-4.5V-X, TXS2SA-4.5V-Z, and TXS2SS-4.5V-Z—maintain Active product status and are RoHS compliant. Selection between these parts is determined by packaging requirements and compliance specifications:

TXS2SL-4.5V-X and TXS2SS-4.5V-Z are supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes requiring continuous reel feed. TXS2SA-4.5V-Z is supplied in Cut Tape (CT) & Digi-Reel® packaging, appropriate for applications requiring smaller quantity picks or mixed component sourcing.

TXS2SA-4.5V-Z carries ROHS3 Compliant certification, while TXS2SL-4.5V-X and TXS2SS-4.5V-Z carry standard RoHS Compliant certification. Component selection should align with end-product compliance requirements and supply chain logistics.

Frequently Asked Questions (FAQ)

Q: Can TXS2SA-4.5V-Z replace TXS2SL-4.5V-X in a circuit design?

A: Yes. All electrical and mechanical parameters are identical. The difference is packaging format: TXS2SA-4.5V-Z uses Cut Tape (CT) & Digi-Reel® while TXS2SL-4.5V-X uses Tape & Reel (TR). Circuit performance is unaffected by this packaging difference.

Q: What is the difference between TXS2SS-4.5V-Z and TXS2SL-4.5V-X?

A: Both parts use Tape & Reel (TR) packaging and are electrically identical. The only distinction is RoHS certification variant: TXS2SL-4.5V-X is RoHS Compliant, while TXS2SS-4.5V-Z is also RoHS Compliant. Both meet the same environmental standards.

Q: Are these relays suitable for 4.5 VDC applications?

A: Yes. All three parts are rated for 4.5 VDC coil voltage with a must-operate voltage of 3.6 VDC and must-release voltage of 0.45 VDC, confirming suitability for 4.5 VDC control circuits.

Q: What is the contact switching capacity of these relays?

A: All three parts are rated for 1 A contact current with a maximum switching voltage of 110 VDC, providing consistent switching performance across equivalent models.

Q: Which packaging format should I select for high-volume production?

A: Tape & Reel (TR) packaging—used by TXS2SL-4.5V-X and TXS2SS-4.5V-Z—is optimized for automated pick-and-place assembly in high-volume manufacturing. Cut Tape (CT) & Digi-Reel® packaging used by TXS2SA-4.5V-Z is suitable for lower-volume or mixed-component assembly scenarios.

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