70543-0038 connector: Live stock, price trends & specs

8 February 2026 30

Current inventory snapshots and recent quote histories reveal variable availability and price fluctuations for the 70543-0038 connector across US distribution channels. This data-driven analysis assists procurement and engineering teams in making informed BOM decisions.

Product Background & Quick Specs Snapshot

The 70543-0038 is a high-reliability 4-position, 2.54 mm (0.100") pitch, single-row wire-to-board header designed for robust through-hole mounting. It serves as a standard interconnect solution for signal routing, programming headers, and low-current modules. We recommend verifying electrical attributes against the official manufacturer datasheet prior to production commitment.

Key Technical Specifications

One-page specs (Copy/Paste to BOM)
Parameter	Typical Value / Note
Part Designation	70543-0038
Positions / Pin Count	4
Pitch	2.54 mm (0.100")
Mounting Style	Through-hole, Straight
Row Count	1 (Single Row)
Current Rating	Approx. 1A per contact (Ref Datasheet)
Contact Material	Brass / Plated Finish

LIVE Live Stock Snapshot & Signal Interpretation

Real-time inventory querying is essential for supply chain resilience. Procurement teams should distinguish between immediate "off-the-shelf" availability and backordered allocations.

Timestamp (UTC)	Source Type	Available Qty	Lead Time	Unit Price	MOQ
2026-02-08T12:00Z	Authorized Distributor	[Pull Live Qty]	[Pull Lead Time]	[Pull Unit Price]	[Pull MOQ]
2026-02-08T12:00Z	Marketplace Listing	[Pull Live Qty]	[Pull Lead Time]	[Pull Unit Price]	[Pull MOQ]
2026-02-08T12:00Z	Manufacturer Stock	[Pull Live Qty]	[Pull Lead Time]	[Pull Unit Price]	[Pull MOQ]

Price Trends: Historical Drivers & Quote Analysis

Market dynamics for small headers are influenced by raw material costs (copper/brass), lifecycle stage, and logistics pressure. Below is a visualization of price behavior based on quantity brackets.

Small Lot (1-99 pcs) Premium Pricing

Medium Lot (100-999 pcs) Standard Market Rate

Bulk Lot (1000+ pcs) Volume Discount

Historical Quote Reference
Date	Vendor Type	Qty Bracket	Unit Price (USD)
2025-08-01	Aggregator	1–99	[Price Data]
2025-11-01	Authorized	100–999	[Price Data]

Procurement Tactics

▶Short-term: Prioritize confirmed stock and buy samples to validate plating and mechanical fit.
▶Long-term: Implement multi-sourcing and blanket orders to protect against market volatility.

Risk Mitigation

▶Equivalents: Validate drop-in replacements against pitch, pin count, and electrical ratings.
▶Redesign: Consider footprint changes if lead times or price premiums threaten production continuity.

Summary & Recommended Next Steps

The 70543-0038 connector remains a staple for 2.54 mm pitch requirements, though sourcing requires vigilance due to variable lot availability.

Step 1 Pull the live inventory table now to document current stock and lead times.

Step 2 Verify official datasheet compliance and RoHS/REACH attributes.

Step 3 Secure short-term quantity if risk is high while qualifying an alternate footprint.

Frequently Asked Questions

What is the 70543-0038 typical pitch and pin count? +

The 70543-0038 is a 4-pin, 2.54 mm (0.100") pitch single-row through-hole header. It is crucial to confirm the exact mechanical drawings and electrical ratings from the official manufacturer datasheet to ensure compatibility with mating housings.

How can I check 70543-0038 stock quickly for a build? +

Utilize the live-data table template provided in this article to capture timestamped results from authorized distributors and manufacturer feeds. Comparing available quantity, lead times, and MOQs across multiple sources is the most effective way to secure parts for immediate production.

What are the primary price trends to watch for the 70543-0038? +

Monitor for unit-price spikes associated with low-quantity listings and lead-time-driven premiums. We recommend building a 6–12 month price series from historical quotes to identify volume discount breaks and flag any anomalous outliers for negotiation.