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CNC Tech 232-68 PLCC Socket Equivalent & Substitute Parts
Part Overview
The CNC Tech 232-68 is a 68-position PLCC socket designed for surface mount applications with tin-plated contacts and phosphor bronze contact material. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The socket accommodates 68 pins in a 4 x 17 grid configuration with 0.050" (1.27mm) pitch spacing.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 232-68 |
| Manufacturer | CNC Tech |
| Category | Sockets for ICs, Transistors |
| Type | PLCC |
| Number of Positions | 68 (4 x 17) |
| Pitch - Mating | 0.050" (1.27mm) |
| Mounting Type | Surface Mount |
| Contact Finish - Mating | Tin |
| Contact Material - Mating | Phosphor Bronze |
| Operating Temperature Range | -55°C ~ 105°C |
| Current Rating | 1 A |
| Contact Resistance | 30mOhm |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the CNC Tech 232-68 is determined by the following critical parameters:
- Socket Type & Configuration: PLCC socket with 68 positions in 4 x 17 grid arrangement
- Pitch Specification: 0.050" (1.27mm) mating pitch
- Mounting Method: Surface mount termination
- Contact Finish: Tin plating on mating contacts
- Electrical Performance: 1 A current rating and 30mOhm contact resistance
- Environmental Compliance: ROHS3 compliance and UL94 V-0 flammability rating
The Mill-Max Manufacturing Corp. 940-44-068-17-400000 meets all critical substitution criteria across socket configuration, pitch, mounting type, contact finish, electrical ratings, and compliance standards.
Parameter Comparison
| Parameter | CNC Tech 232-68 | Mill-Max 940-44-068-17-400000 |
|---|---|---|
| Type | PLCC | PLCC |
| Number of Positions | 68 (4 x 17) | 68 (4 x 17) |
| Pitch - Mating | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Contact Finish - Mating | Tin | Tin |
| Mounting Type | Surface Mount | Surface Mount |
| Current Rating | 1 A | 1 A |
| Contact Resistance | 30mOhm | 30mOhm |
| Operating Temperature Range | -55°C ~ 105°C | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| UL94 Flammability Rating | V-0 | V-0 |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The Mill-Max Manufacturing Corp. 940-44-068-17-400000 is a direct functional equivalent to the obsolete CNC Tech 232-68. Both components maintain identical electrical specifications, socket configuration, and compliance certifications. The Mill-Max part offers an extended operating temperature range of -55°C to 125°C compared to the CNC Tech specification of -55°C to 105°C, providing additional thermal margin for demanding applications. The Mill-Max part carries active product status with established supply availability, making it the appropriate selection for new designs and production continuity where the CNC Tech 232-68 is no longer available.
Frequently Asked Questions (FAQ)
Q: Can the Mill-Max 940-44-068-17-400000 directly replace the CNC Tech 232-68 in existing designs?
A: Yes. Both sockets share identical pin counts (68 positions), pitch spacing (0.050"), mounting type (surface mount), contact finish (tin), and electrical ratings (1 A, 30mOhm). The footprint and electrical interface are compatible.
Q: What is the difference in contact material between these two parts?
A: The CNC Tech 232-68 uses phosphor bronze for mating contacts, while the Mill-Max 940-44-068-17-400000 uses beryllium copper. Both materials meet the specified electrical performance and contact resistance requirements.
Q: Does the extended temperature range of the Mill-Max part affect compatibility?
A: No. The Mill-Max part's operating range of -55°C to 125°C encompasses the CNC Tech specification of -55°C to 105°C. This provides additional thermal capability without affecting electrical or mechanical compatibility.
Q: Are both parts RoHS compliant?
A: Yes. Both the CNC Tech 232-68 and Mill-Max 940-44-068-17-400000 are ROHS3 compliant and carry UL94 V-0 flammability ratings.
Q: What packaging is available for the Mill-Max substitute?
A: The Mill-Max 940-44-068-17-400000 is supplied in tube packaging.
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