ADW1203HTW Equivalent & Substitute Parts

Part Overview

The ADW1203HTW is a general purpose relay manufactured by Panasonic Electric Works, featuring a single-pole single-throw normally open (SPST-NO) contact configuration with a 3VDC coil. This through-hole mounted relay is designed for applications requiring 16A switching capacity at up to 277VAC. The part is currently active in production with 1058 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product series, ensuring functional interchangeability in circuit designs.

Substiute Parts

ADW1203HTW
Panasonic Electric WorksIn Stock: 1149ADW1203HTW Datasheet
ADW1203HTW
Current Part
ADW1203HLW
Panasonic Electric WorksIn Stock: 3540ADW1203HLW Datasheet
ADW1203HLW
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number ADW1203HTW
Manufacturer Panasonic Electric Works
Series DW
Relay Type General Purpose
Contact Form SPST-NO (1 Form A)
Coil Voltage 3VDC
Contact Rating (Current) 16 A
Switching Voltage - Max 277VAC
Load - Max Switching 4432VA
Mounting Type Through Hole
Termination Style PC Pin
Operating Temperature Range -40°C ~ 85°C
Coil Resistance 22.5 Ohms
Coil Current 133 mA
Operate Time 15 ms
Release Time 15 ms
Contact Material Silver Tin Oxide (AgSnO)
Seal Rating Sealed - Flux Protection
Coil Insulation Class F
Must Operate Voltage 2.4 VDC
RoHS Status ROHS3 Compliant
Approval Agencies CQC, cURus, VDE
Product Status Active

Substitute Part Grouping Explanation

The ADW1203HLW is identified as a parametric equivalent to the ADW1203HTW based on strict electrical and mechanical parameter matching. Both parts share identical specifications across all critical substitution criteria: coil voltage (3VDC), contact form (SPST-NO), contact rating (16A), switching voltage (277VAC maximum), load capacity (4432VA), mounting type (through hole), termination style (PC pin), operating temperature range (-40°C to 85°C), coil resistance (22.5 Ohms), coil current (133 mA), timing characteristics (15 ms operate and release), contact material (Silver Tin Oxide), seal rating (sealed with flux protection), and coil insulation class (Class F). Both parts belong to the DW series and maintain active product status with full regulatory compliance (CQC, cURus, VDE certifications and ROHS3 compliance).

Parameter Comparison

Parameter ADW1203HTW ADW1203HLW Match Status
Manufacturer Panasonic Electric Works Panasonic Electric Works Identical
Series DW DW Identical
Contact Form SPST-NO (1 Form A) SPST-NO (1 Form A) Identical
Coil Voltage 3VDC 3VDC Identical
Contact Rating (Current) 16 A 16 A Identical
Switching Voltage - Max 277VAC 277VAC Identical
Load - Max Switching 4432VA 4432VA Identical
Mounting Type Through Hole Through Hole Identical
Termination Style PC Pin PC Pin Identical
Operating Temperature Range -40°C ~ 85°C -40°C ~ 85°C Identical
Coil Resistance 22.5 Ohms 22.5 Ohms Identical
Coil Current 133 mA 133 mA Identical
Operate Time 15 ms 15 ms Identical
Release Time 15 ms 15 ms Identical
Contact Material Silver Tin Oxide (AgSnO) Silver Tin Oxide (AgSnO) Identical
Seal Rating Sealed - Flux Protection Sealed - Flux Protection Identical
Coil Insulation Class F Class F Identical
Must Operate Voltage 2.4 VDC 2.4 VDC Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Approval Agencies CQC, cURus, VDE CQC, cURus, VDE Identical
Product Status Active Active Identical
Inventory Availability 1058 Pcs 3464 Pcs ADW1203HLW has higher stock

Engineering Selection Recommendations

Both the ADW1203HTW and ADW1203HLW are active production parts from Panasonic Electric Works with full regulatory compliance across CQC, cURus, and VDE certification bodies. Both parts maintain ROHS3 compliance and identical electrical and mechanical specifications. Selection between these parts should be based on inventory availability and lead time requirements. The ADW1203HLW currently maintains higher stock levels (3464 units) compared to the ADW1203HTW (1058 units), making it the preferred choice for applications where supply chain continuity is a consideration. Both parts are functionally equivalent for all circuit design and application purposes.

Frequently Asked Questions (FAQ)

Q: Can ADW1203HLW be used as a direct replacement for ADW1203HTW?

A: Yes. The ADW1203HLW is a parametric equivalent with identical electrical and mechanical specifications. All critical parameters including coil voltage, contact rating, switching voltage, mounting type, and termination style are identical, enabling direct substitution in circuit designs.

Q: Are there any differences in regulatory compliance between these parts?

A: No. Both parts carry identical certifications (CQC, cURus, VDE) and maintain ROHS3 compliance. There are no compliance-related restrictions on substitution.

Q: What is the difference between ADW1203HTW and ADW1203HLW?

A: The parts are electrically and mechanically identical. The difference in part number designation reflects internal Panasonic manufacturing or packaging variations that do not affect functional performance or circuit compatibility.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection should consider current inventory availability and supply chain lead times. The ADW1203HLW currently has higher stock availability.

Q: Are the through-hole pin configurations identical?

A: Yes. Both parts use identical PC pin termination styles and through-hole mounting configurations, ensuring compatibility with existing PCB layouts and footprints.

Q: Do these relays require any special handling or storage conditions?

A: Both parts carry MSL (Moisture Sensitivity Level) 1 rating, indicating unlimited shelf life without special moisture control requirements during storage or handling.

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