A-TB500-OP02 Equivalent & Substitute Parts

Part Overview

The A-TB500-OP02 is a 2-position terminal block header manufactured by Assmann WSW Components. This component features male pins in an unshrouded configuration with 0.197" (5.00mm) vertical pitch spacing and through-hole solder termination. The part is currently active in production with 727 units in stock inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to component availability, supply chain considerations, or design flexibility within the allowed parameter ranges.

Key Parameters

Parameter	Value
Number of Positions	2
Pitch	0.197" (5.00mm)
Header Orientation	Vertical
Type	Header, Male Pins, Unshrouded
Termination Style	Solder
Mounting Type	Through Hole
Voltage - UL	300 V
Current - UL	10 A
Contact Tail Length	0.138" (4.60mm)
Insulation Height	0.079" (2.00mm)
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the A-TB500-OP02 are qualified based on the following critical parameters that must remain constant across all alternatives:

Number of Positions: 2
Pitch: 0.197" (5.00mm)
Header Orientation: Vertical
Type: Header, Male Pins, Unshrouded
Termination Style: Solder
Mounting Type: Through Hole
Voltage - UL: 300 V
Contact Tail Length: 0.138" (4.60mm)
Insulation Height: 0.079" (2.00mm)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

All four substitute parts meet these core electrical and mechanical requirements. Variations in current rating, housing material, color, and contact mating finish are within acceptable tolerance ranges for this product category and do not affect functional interchangeability in standard applications.

Parameter Comparison

Parameter	A-TB500-OP02 (Main)	1546931-2 (TE)	1933189 (Phoenix)	282832-2 (TE)	OSTOP020000 (On Shore)
Manufacturer	Assmann WSW	TE Connectivity AMP	Phoenix Contact	TE Connectivity AMP	On Shore Technology
Series	-	Buchanan	COMBICON PST	Buchanan	OSTOP
Number of Positions	2	2	2	2	2
Pitch	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Header Orientation	Vertical	Vertical	Vertical	Vertical	Vertical
Type	Header, Male Pins, Unshrouded	Header, Male Pins, Unshrouded	Header, Male Pins, Unshrouded	Header, Male Pins, Unshrouded	Header, Male Pins, Unshrouded
Termination Style	Solder	Solder	Solder	Solder	-
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Solder
Current - UL	10 A	12 A	16 A	12 A	-
Voltage - UL	300 V	300 V	300 V	300 V	300 V
Contact Tail Length	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)
Insulation Height	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.138" (4.60mm)
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	-
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active
Inventory	727 Pcs	2120 Pcs	5861 Pcs	3957 Pcs	864 Pcs

Engineering Selection Recommendations

All substitute parts maintain active product status and ROHS3 compliance. The primary selection criteria are based on inventory availability and compliance certifications:

1546931-2 (TE Connectivity AMP Connectors, Buchanan series) provides 2120 units in stock with 12 A current rating and side stacking features. This part is suitable for applications requiring higher current capacity than the main part specification.

1933189 (Phoenix Contact, COMBICON PST series) offers the highest inventory level at 5861 units with 16 A current rating and dual voltage ratings (IEC 400 V and UL 300 V). This part accommodates both IEC and UL standards.

282832-2 (TE Connectivity AMP Connectors, Buchanan series) provides 3957 units in stock with 12 A current rating, green housing color, and operating temperature range of -40°C to 110°C. This part is suitable for temperature-constrained applications.

OSTOP020000 (On Shore Technology Inc., OSTOP series) offers 864 units in stock. This part differs in insulation height (0.138" versus 0.079") and lacks specified flammability rating documentation.

Frequently Asked Questions (FAQ)

Q: Can I substitute 1546931-2 for A-TB500-OP02 in my design?

A: Yes. Both parts share identical pitch (5.00mm), orientation (vertical), pin configuration (2-position male unshrouded), and voltage rating (300 V UL). The 1546931-2 provides higher current capacity (12 A versus 10 A), which is compatible with applications designed for the main part.

Q: What is the difference between the TE Connectivity parts (1546931-2 and 282832-2)?

A: Both are TE Connectivity Buchanan series parts with identical electrical specifications (12 A, 300 V). The primary differences are housing color (black versus green) and operating temperature range (unspecified versus -40°C to 110°C for 282832-2).

Q: Is OSTOP020000 fully compatible with A-TB500-OP02?

A: OSTOP020000 meets the core electrical and mechanical requirements (2-position, 5.00mm pitch, vertical orientation, 300 V). However, the insulation height differs (0.138" versus 0.079"), and flammability rating is not specified. Verify mechanical fit in your PCB layout before selection.

Q: Which substitute part has the best inventory availability?

A: Phoenix Contact 1933189 has the highest inventory at 5861 units. TE Connectivity 282832-2 provides 3957 units, and 1546931-2 provides 2120 units.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All four substitute parts carry ROHS3 Compliant certification, matching the main part specification.

Q: Can I use 1933189 in applications requiring IEC standards?

A: Yes. Phoenix Contact 1933189 is rated for both IEC (12 A, 400 V) and UL (16 A, 300 V) standards, providing flexibility for international applications.

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