B-3000S40P-0110
Ckmtw
Needs validationlow risk
A 40-pin, 2.54mm pitch simple box header from Ckmtw with matching key electrical and mechanical specs.
Best Alternatives to 321040SG0ABK00A01
The JILN 321040SG0ABK00A01 is a standard 40-pin, 2.54mm pitch through-hole box header used for board-to-board or wire-to-board connections. Several functional alternatives are available from other manufacturers, with the primary difference being the presence or absence of a retention latch.
AI replacement insight
Package riskmedium
Some candidates have a latch while the target does not. This can cause mechanical interference.
Electrical risklow
Most candidates have matching current, voltage, and temperature ratings.
Sourcing risklow
This is a common connector type with multiple manufacturers available.
Can it be replaced directly?
Yes, several direct functional replacements for the 321040SG0ABK00A01 exist. The closest matches are simple box headers like Ckmtw B-3000S40P-0110 and Nextron Z-231011840106, which share the same form factor and key electrical ratings.
Best replacement path
The best replacement path is to select a simple box header (without latch) with the same 2.54mm pitch and 40-pin configuration, such as Ckmtw B-3000S40P-0110.
Main risk
The main risk when substituting this connector is mechanical. Some alternatives include a retention latch which may not fit in the original design's space.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 321040SG0ABK00A01 | B-3000S40P-0110 | Z-231011840106 | B-3100S40P-A110 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Box Header | Box Header | Through Hole | Box Header | Box Header / Through Hole — Candidate is a simple box header, matching target type.; Z-231011840106: Package data is generic, but datasheet confirms it is a simple box header.; B-3100S40P-A110: Candidate is a box header with a latch, which may cause mechanical interference.; Z-230010840209: Datasheet confirms it is a box header with a latch, which differs from the simple target. |
| Pinout | 40 | 40 | 40 | 40 | 40 — Pin count, pitch (2.54mm), and rows (2) match.; Z-231011840106: Pin count, pitch (2.54mm), and rows (2) match.; B-3100S40P-A110: Pin count, pitch (2.54mm), and rows (2) match.; Z-230010840209: Pin count, pitch (2.54mm), and rows (2) match. |
| Current | 3.0A | 3.0A | 3A | 3.0A | 3.0A / 3A — Current rating matches target.; Z-231011840106: Current rating matches.; B-3100S40P-A110: Current rating matches. |
| Temperature | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | - | -40°C to +105°C — Operating temperature range matches.; Z-231011840106: Operating temperature range matches. |
| Contact Material | Brass | - | - | - | Copper Alloy — Minor material difference, unlikely to be an issue. |
Application & sourcing insights
Questions & answers
The best alternative appears to be Ckmtw B-3000S40P-0110. It is also a 40-pin, 2.54mm pitch simple box header with matching electrical specifications and does not have a latch, making it a strong form-fit-function candidate.