A-TB500-OP07 Equivalent & Substitute Parts

Part Overview

The A-TB500-OP07 is a 7-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, designed for through-hole solder termination. The part is currently active in production and maintains full inventory availability. Alternative equivalent parts may be required due to supply chain considerations, design standardization across manufacturing facilities, or specific application requirements for enhanced current ratings or material specifications.

Key Parameters

Parameter	Value
Number of Positions	7
Pitch	0.197" (5.00mm)
Header Orientation	Vertical
Type	Header, Male Pins, Unshrouded
Termination Style	Solder
Mounting Type	Through Hole
Voltage - UL	300 V
Operating Temperature Range	-40°C ~ 115°C
Contact Material	Brass
Housing Material	Thermoplastic
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

The TE Connectivity AMP Connectors part number 282832-7 qualifies as a direct substitute for the A-TB500-OP07 based on the following critical parameters:

Matching Parameters:

7-position configuration with identical pitch spacing (0.197" / 5.00mm)
Vertical header orientation with male pins, unshrouded design
Solder termination and through-hole mounting type
Identical contact tail length (0.138" / 4.60mm) and insulation height (0.079" / 2.00mm)
UL94 V-0 flammability rating and MSL 1 classification
Voltage rating of 300 V UL
Brass contact material composition

Allowable Parameter Variations:

Current rating: 282832-7 rated at 12 A UL versus 10 A UL for A-TB500-OP07 (higher rating is acceptable)
Operating temperature upper limit: 282832-7 rated to 110°C versus 115°C for A-TB500-OP07 (within acceptable tolerance for most applications)
Housing material: 282832-7 uses Polyamide (PA66), Nylon 6/6 versus Thermoplastic for A-TB500-OP07 (both meet UL94 V-0 requirements)
Contact mating finish: 282832-7 includes Tin finish; A-TB500-OP07 specification not provided
Series designation: 282832-7 belongs to Buchanan series; A-TB500-OP07 series not specified
Additional feature: 282832-7 includes side stacking capability

Parameter Comparison

Parameter	A-TB500-OP07 (Assmann WSW)	282832-7 (TE Connectivity)
Number of Positions	7	7
Pitch	0.197" (5.00mm)	0.197" (5.00mm)
Header Orientation	Vertical	Vertical
Type	Header, Male Pins, Unshrouded	Header, Male Pins, Unshrouded
Termination Style	Solder	Solder
Mounting Type	Through Hole	Through Hole
Current - UL	10 A	12 A
Voltage - UL	300 V	300 V
Operating Temperature Range	-40°C ~ 115°C	-40°C ~ 110°C
Contact Material	Brass	Brass
Housing Material	Thermoplastic	Polyamide (PA66), Nylon 6/6
Contact Tail Length	0.138" (4.60mm)	0.138" (4.60mm)
Insulation Height	0.079" (2.00mm)	0.079" (2.00mm)
Material Flammability Rating	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Both the A-TB500-OP07 and 282832-7 maintain active product status with full RoHS compliance. The 282832-7 offers a higher current rating (12 A versus 10 A), making it suitable for applications requiring increased current capacity within the same form factor and pitch specification. The operating temperature upper limit difference of 5°C (110°C versus 115°C) is within acceptable tolerance for standard industrial applications operating below 100°C. Both components meet identical voltage specifications (300 V UL) and flammability requirements (UL94 V-0). The housing material variation between thermoplastic and polyamide does not affect electrical performance or mechanical compatibility, as both materials satisfy the same safety certifications. Selection between these parts should be based on current requirements, available inventory, and specific application thermal profiles.

Frequently Asked Questions (FAQ)

Q: Can 282832-7 be used as a direct replacement for A-TB500-OP07 in existing designs?

A: Yes. Both parts share identical pitch spacing (5.00mm), position count (7), orientation (vertical), and physical dimensions (contact tail length and insulation height). Solder termination and through-hole mounting are identical. The higher current rating of 282832-7 (12 A versus 10 A) does not create compatibility issues.

Q: What is the significance of the 5°C difference in maximum operating temperature?

A: The A-TB500-OP07 is rated to 115°C while 282832-7 is rated to 110°C. For applications operating below 100°C, this difference is not a limiting factor. Applications requiring sustained operation above 110°C should retain the A-TB500-OP07.

Q: Are there differences in housing material that affect performance?

A: The A-TB500-OP07 uses thermoplastic housing while 282832-7 uses polyamide (PA66), Nylon 6/6. Both materials meet UL94 V-0 flammability requirements and provide equivalent electrical insulation and mechanical protection. Material selection does not affect electrical characteristics or connector compatibility.

Q: Does the side stacking feature of 282832-7 affect compatibility?

A: The side stacking capability of 282832-7 is an additional feature that does not impact compatibility with the A-TB500-OP07. This feature allows for modular expansion but is not required for standard single-header applications.

Q: What compliance certifications apply to both parts?

A: Both parts are RoHS compliant, carry UL94 V-0 flammability ratings, and maintain MSL 1 (Unlimited) moisture sensitivity classification. Both are rated for 300 V UL operation and feature brass contacts with identical tail lengths and insulation heights.

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