EDSTLZ950/5 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The EDSTLZ950/5 is a 5-position terminal block header manufactured by On Shore Technology Inc., designed for right-angle solder mounting applications. This component features male pins with 4-side shrouding and a 0.200" (5.08mm) pitch configuration. The part is currently active in production with 1,083 units in stock. Alternative equivalent parts may be required due to supply chain considerations, specific application requirements, or design revisions that necessitate compatible substitutes meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	EDSTLZ950/5
Manufacturer	On Shore Technology Inc.
Category	Terminal Blocks
Number of Positions	5
Pitch	0.200" (5.08mm)
Header Orientation	90°, Right Angle
Type	Header, Male Pins, Shrouded (4 Side)
Mounting Type	Solder
Voltage - UL	300 V
Operating Temperature	-30°C ~ 105°C
Contact Tail Length	0.138" (4.60mm)
Insulation Height	0.138" (4.60mm)
Housing Material	Polyamide (PA), Nylon
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the EDSTLZ950/5 are qualified based on the following critical parameters that determine functional equivalence:

Electrical Compatibility: 5-position configuration, 0.200" (5.08mm) pitch, 300 V UL rating, male pin header type with 4-side shrouding
Mechanical Compatibility: Right-angle (90°) orientation, solder termination style, contact tail length of 0.138" (4.60mm)
Environmental & Compliance: Operating temperature range support, RoHS3 compliance, MSL 1 rating

The identified substitute parts OSTOQ055451 and 796638-5 share the core electrical and mechanical specifications required for direct substitution in applications designed for the EDSTLZ950/5. Variations in housing material, contact mating finish, and insulation height are noted but do not preclude functional equivalence when these parameters fall within acceptable application tolerances.

Parameter Comparison

Parameter	EDSTLZ950/5	OSTOQ055451	796638-5
Manufacturer	On Shore Technology Inc.	On Shore Technology Inc.	TE Connectivity AMP Connectors
Number of Positions	5	5	5
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)
Header Orientation	90°, Right Angle	90°, Right Angle	90°, Right Angle
Type	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)
Mounting Type	Solder	Solder	Through Hole
Voltage - UL	300 V	300 V	300 V
Operating Temperature	-30°C ~ 105°C	-40°C ~ 115°C	-40°C ~ 110°C
Contact Tail Length	0.138" (4.60mm)	0.157" (4.00mm)	0.138" (4.60mm)
Insulation Height	0.138" (4.60mm)	0.157" (4.00mm)	0.329" (8.36mm)
Housing Material	Polyamide (PA), Nylon	Thermoplastic	Polyamide (PA66), Nylon 6/6
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Inventory (Pcs)	1,083	2,503	1,015

Engineering Selection Recommendations

All three parts maintain active product status and full RoHS3 compliance with MSL 1 ratings, ensuring regulatory and environmental compatibility across applications. The EDSTLZ950/5 and 796638-5 share identical contact tail length (0.138" / 4.60mm), making them the closest mechanical match for PCB footprint compatibility. The OSTOQ055451 features an extended contact tail length (0.157" / 4.00mm) and increased insulation height (0.157" / 4.00mm), which may require PCB layout verification before substitution.

The 796638-5 from TE Connectivity differs in mounting type (through hole versus solder) and insulation height (0.329" / 8.36mm), introducing dimensional variations that necessitate application-specific evaluation. Selection should prioritize matching contact tail length and insulation height to the original design unless application requirements explicitly permit dimensional tolerance.

Frequently Asked Questions (FAQ)

Q: Can OSTOQ055451 be used as a direct replacement for EDSTLZ950/5?

A: OSTOQ055451 shares all critical electrical specifications (5-position, 5.08mm pitch, 300 V, 90° right-angle, male pins, 4-side shrouded). However, the contact tail length differs (0.157" versus 0.138") and insulation height is increased (0.157" versus 0.138"). PCB footprint compatibility must be verified before substitution.

Q: What is the primary difference between 796638-5 and EDSTLZ950/5?

A: Both parts maintain identical pitch, position count, voltage rating, and contact tail length. The 796638-5 differs in mounting type (through hole versus solder) and insulation height (0.329" versus 0.138"). The through-hole mounting style and significantly increased insulation height require design verification for compatibility.

Q: Are all three parts RoHS3 compliant?

A: Yes. EDSTLZ950/5, OSTOQ055451, and 796638-5 are all ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity ratings, meeting current environmental and regulatory requirements.

Q: Which substitute part has the best inventory availability?

A: OSTOQ055451 has the highest inventory level at 2,503 units, compared to 1,083 units for EDSTLZ950/5 and 1,015 units for 796638-5.

Q: Can I use 796638-5 in a solder-mount application designed for EDSTLZ950/5?

A: 796638-5 is specified as through-hole mounting, not solder mounting. While the electrical specifications align, the mounting type difference and dimensional variations (particularly insulation height) require application-specific evaluation before substitution in solder-mount designs.

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