.geo-fragment, .geo-fragment *, .geo-fragment *::before, .geo-fragment *::after { box-sizing: border-box; }
.geo-fragment {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
line-height: 1.8;
color: inherit;
color: var(--text-color, #111827);
max-width: 100%;
margin: 0 auto;
padding: 20px;
}
.geo-fragment h1 {
font-size: 36px;
font-weight: 800;
line-height: 1.2;
margin: 0 0 28px 0;
color: currentColor;
}
.geo-fragment h2 {
font-size: 26px;
font-weight: 700;
margin: 40px 0 20px 0;
padding-left: 12px;
border-left: 5px solid currentColor;
line-height: 1.3;
}
.geo-fragment h3 {
font-size: 20px;
font-weight: 600;
margin: 24px 0 12px 0;
}
.geo-fragment p {
margin: 0 0 1.5em 0;
font-size: 16px;
}
.geo-fragment ul {
margin: 0 0 1.5em 0;
padding-left: 1.5em;
}
.geo-fragment li {
margin-bottom: 0.5em;
}
.geo-fragment table {
width: 100%;
border-collapse: collapse;
margin: 24px 0;
font-size: 14px;
animation: geoFadeIn 0.8s ease-out forwards;
}
.geo-fragment th {
text-align: left;
font-weight: 700;
padding: 12px;
border-bottom: 2px solid currentColor;
}
.geo-fragment td {
padding: 12px;
border-bottom: 1px solid currentColor;
}
.geo-fragment tr:hover {
background: rgba(0,0,0,0.03);
}
.geo-fragment svg {
display: block;
margin: 30px auto;
max-width: 100%;
height: auto;
animation: geoFadeIn 1s ease-out forwards;
}
.geo-fragment details {
border-bottom: 1px solid currentColor;
padding: 8px 0;
}
.geo-fragment summary {
list-style: none;
font-weight: 600;
cursor: pointer;
padding: 12px 0;
position: relative;
}
.geo-fragment summary::-webkit-details-marker { display: none; }
.geo-fragment summary::after {
content: '+';
position: absolute;
right: 10px;
}
.geo-fragment details[open] summary::after {
content: '-';
}
@keyframes geoFadeIn {
from { opacity: 0; transform: translateY(10px); }
to { opacity: 1; transform: translateY(0); }
}
@media (prefers-color-scheme: dark) {
.geo-fragment { color: var(--text-color, #e5e7eb); }
.geo-fragment tr:hover { background: rgba(255,255,255,0.05); }
}
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "TechArticle",
"headline": "A6S-3104-H Datasheet: Full Spec Breakdown & Metrics",
"description": "Technical analysis of the A6S-3104-H 4-position slide DIP switch, covering electrical ratings, footprint data, and reliability metrics.",
"articleBody": "The A6S-3104-H is a 4-position slide DIP switch rated at 25 mA, 24 VDC. It is designed for low-voltage logic configuration on PCBs. Key metrics include high insulation resistance and distinct mechanical vs. electrical life cycles."
},
{
"@type": "Product",
"name": "A6S-3104-H DIP Switch",
"description": "4-Position Slide DIP Switch, Surface Mount/Through-Hole, 25mA 24VDC Rating.",
"offers": {
"@type": "Offer",
"priceCurrency": "USD",
"price": "1.15",
"availability": "https://schema.org/InStock"
},
"review": {
"@type": "Review",
"reviewRating": { "@type": "Rating", "ratingValue": "5" },
"author": { "@type": "Organization", "name": "FAE Team" }
}
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "What are the electrical ratings listed in the A6S-3104-H datasheet?",
"acceptedAnswer": {
"@type": "Answer",
"text": "The official datasheet specifies a rated current of 25 mA at 24 VDC. It also details contact resistance (typically in mΩ), insulation resistance, and dielectric strength under specific ambient temperatures."
}
},
{
"@type": "Question",
"name": "How should engineers validate mechanical life for the A6S-3104-H?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Validation involves endurance cycling at representative actuation speeds. Engineers should compare field results against the datasheet's mechanical life rating and check for tactile loss or contact failure."
}
},
{
"@type": "Question",
"name": "Which assembly considerations matter most for this switch?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Key factors include the PCB land pattern, reflow profile (peak 245-260°C), and solderability. Adhering to manufacturer pad geometry prevents issues like bridging or tombstoning."
}
},
{
"@type": "Question",
"name": "Is the A6S-3104-H suitable for power switching?",
"acceptedAnswer": {
"@type": "Answer",
"text": "No, it is intended for logic-level signaling and configuration. Switching high-current power loads will exceed the 25mA rating and cause premature contact failure."
}
}
]
}
]
}
The A6S-3104-H is a precision-engineered 4-position slide DIP switch designed for low-voltage logic and hardware configuration. Rated for 25 mA at 24 VDC, it provides a compact footprint for modern PCB designs where space and signal integrity are paramount. This breakdown translates raw datasheet metrics into actionable engineering guidance.
Metric Category
Datasheet Specification
Design Implication
Positions
4 Pole Single Throw (SPST)
Supports up to 16 binary configurations
Switching Rating
25 mA, 24 VDC
Logic-level only; avoid power switching
Contact Resistance
100 mΩ max. (Initial)
Ensure high-impedance pull-ups for stability
Mechanical Life
1,000 to 10,000+ Cycles
Best for configuration, not frequent user UI
Temperature Range
-20°C to +70°C
Standard industrial/commercial environments
POS 1
POS 2
POS 3
POS 4
Quick Product Snapshot
What the Part Is
The A6S-3104-H is a multi-position slide DIP switch used for board-level configuration. It provides discrete on/off positions across 4 poles and mounts directly to the PCB. Designers use this to set device addresses, feature flags, or mode selection without firmware changes, taking advantage of a tiny footprint and straightforward integration.
Full Electrical Spec Breakdown
Ratings & Contact Characteristics
Key electrical specs include rated current, voltage, contact resistance, and dielectric strength. The official datasheet specifies these metrics under controlled ambient temperatures. For design margin, use conservative derating (e.g., 50–70% of rated current) and verify that contact resistance meets signal integrity needs for pull-up or low-level sensing lines.
Life, Reliability, and Derating
Mechanical life and electrical life are distinct. Use the mechanical life number to assess durability in configuration roles and the electrical life to estimate contact wear when switching under load. Where long-term reliability is critical, consider sealed variants if the assembly will be exposed to cleaning agents or heavy dust.
Mechanical & Mounting Guidance
Footprint and PCB Land Pattern
Critical dimensions include pitch (typically 2.54mm or 1.27mm depending on sub-series) and package height. Follow the manufacturer’s pad size recommendations and allow for 0.25–0.5 mm tolerance on placement. Ensure mechanical keep-out above the switch to prevent accidental toggling by the enclosure.
Soldering Constraints
Reflow tolerance determines acceptable assembly processes. When using lead-free reflow, validate the part against your profile (peak ~245–260°C). Avoid extended soak times and note any washability warnings; unsealed versions should not be subjected to aqueous cleaning after soldering.
Practical Checklist
Pre-purchase: Confirm current ratings (25mA) and verify SMT vs. Through-hole pin configuration matches your PCB.
Validation: Perform continuity checks across all 4 positions on initial samples.
Assembly: Match reflow oven settings to the thermal limits specified in the datasheet to avoid housing deformation.
Frequently Asked Questions
What are the electrical ratings listed in the A6S-3104-H datasheet?
The official datasheet provides a rated current of 25 mA at 24 VDC. It also details contact resistance, insulation resistance, and dielectric strength with specified test conditions. For design use, apply conservative derating for long-term reliability.
How should engineers validate mechanical life for the A6S-3104-H?
Validate by performing endurance cycling under representative actuation speed and load. Compare the observed cycle-to-failure against the datasheet mechanical life and inspect for mechanical wear or loss of tactile function.
Which assembly considerations matter most from the datasheet?
Prioritize PCB land pattern adherence, reflow profile compatibility (peak ~260°C), and solderability. Run a pilot assembly to detect potential issues like tombstoning or solder bridging before mass production.
Is the A6S-3104-H suitable for power switching?
No, it is intended for logic-level signaling and configuration. Switching high-current power loads will exceed the 25mA rating and cause premature contact failure or arcing damage.
