OSTV7120250 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The OSTV7120250 is a 12-position terminal block header manufactured by On-Shore Technology, featuring female sockets with 0.300" (7.62mm) vertical pitch and through-hole solder termination. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and procurement planning. The part operates within industrial temperature ranges and meets UL and RoHS3 compliance standards.

Key Parameters

Parameter	Value
Manufacturer Part Number	OSTV7120250
Manufacturer	On-Shore Technology
Category	Terminal Blocks
Type	Header, Female Sockets
Number of Positions	12
Pitch	0.300" (7.62mm)
Header Orientation	Vertical
Mounting Type	Through Hole
Termination Style	Solder
Current Rating (UL)	10 A
Voltage Rating (UL)	300 V
Operating Temperature	-30°C ~ 105°C
Contact Material	Phosphor Bronze
Housing Material	Thermoplastic
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the OSTV7120250 is determined by the following critical parameters:

Position Count: Must be 12 positions
Pitch Tolerance: 0.300" (7.62mm) nominal pitch; minor pitch variations (0.295" / 7.50mm) are acceptable within standard manufacturing tolerances for vertical terminal block headers
Header Type: Female socket configuration, vertical orientation
Mounting Method: Through-hole solder termination
Electrical Ratings: Minimum 10 A current capacity and 300 V voltage rating
Material Compliance: UL94 V-0 flammability rating and RoHS3 compliance required
Contact Material: Phosphor bronze construction
Housing Material: Thermoplastic construction

The V712A2500000G from Amphenol Anytek meets all substitution criteria. The 0.005" (0.12mm) pitch difference represents standard manufacturing tolerance and does not affect mechanical or electrical compatibility in typical PCB layout applications.

Parameter Comparison

Parameter	OSTV7120250 (Main Part)	V712A2500000G (Substitute)
Manufacturer	On-Shore Technology	Amphenol Anytek
Number of Positions	12	12
Pitch	0.300" (7.62mm)	0.295" (7.50mm)
Header Orientation	Vertical	Vertical
Mounting Type	Through Hole	Through Hole
Termination Style	Solder	Solder
Current Rating (UL)	10 A	10 A
Voltage Rating (UL)	300 V	300 V
Operating Temperature	-30°C ~ 105°C	-40°C ~ 115°C
Contact Material	Phosphor Bronze	Phosphor Bronze
Housing Material	Thermoplastic	Thermoplastic
Material Flammability Rating	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The V712A2500000G is the qualified substitute for the obsolete OSTV7120250. Selection rationale is based on the following factors:

Compliance & Certification: Both parts maintain UL94 V-0 flammability rating and ROHS3 compliance, ensuring regulatory continuity in applications requiring these certifications.

Electrical Equivalence: Identical current (10 A) and voltage (300 V) ratings under UL standards provide direct electrical interchangeability.

Mechanical Compatibility: Identical 12-position female socket configuration with vertical through-hole solder termination ensures PCB footprint compatibility. The 0.005" pitch variance falls within standard manufacturing tolerances for this component class.

Product Status Advantage: The V712A2500000G maintains active production status, ensuring long-term availability and supply chain stability compared to the obsolete OSTV7120250.

Enhanced Operating Range: The substitute part supports -40°C to 115°C operation, exceeding the original part's -30°C to 105°C range, providing broader thermal application flexibility.

Frequently Asked Questions (FAQ)

Q: Will the V712A2500000G fit the same PCB footprint as the OSTV7120250?

A: Yes. Both parts feature 12 vertical through-hole positions with nominal 0.300" spacing. The 0.005" pitch difference (7.62mm vs. 7.50mm) is within standard manufacturing tolerance for terminal block headers and does not affect PCB layout compatibility.

Q: Are the electrical ratings identical?

A: Yes. Both parts are rated for 10 A current and 300 V voltage under UL standards, providing direct electrical equivalence.

Q: What is the significance of the pitch difference?

A: The pitch difference of 0.005" (0.12mm) represents normal manufacturing variation in the terminal block industry. This tolerance does not impact mechanical engagement, electrical performance, or PCB assembly compatibility.

Q: Does the substitute part meet the same compliance requirements?

A: Yes. The V712A2500000G maintains UL94 V-0 flammability rating and ROHS3 compliance, matching the original part's regulatory certifications.

Q: Why is the substitute part's operating temperature range wider?

A: The V712A2500000G supports -40°C to 115°C operation compared to the original -30°C to 105°C range. This represents an enhancement in the substitute part's thermal design and does not create compatibility issues.

Q: Is the substitute part currently available?

A: Yes. The V712A2500000G maintains active production status with documented inventory availability, unlike the obsolete OSTV7120250.

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