Subminiature Dome 4 pin SMD Thin Film Tact Switch
Part Number: KAN3742-035B0201
The KAN3742-035B0201 is a 3.7 × 3.7 × 0.35 mm surface-mount dome tact switch with a metal-dome contact under a polyimide film. It surface-mounts to a PCB, gives a crisp snap at 160 gf, and is rated for 200,000 operating cycles. ISO 9001 and IATF 16949 certified, RoHS compliant, and shipped factory-direct from our Shenzhen, Wenzhou and Hubei plants.
Key Features
- Metal-dome contact under a polyimide film for a crisp snap
- Microminiature 3.7 × 3.7 mm body, 0.35 mm ultra-low profile
- 4-pin surface-mount termination
- 160 ± 50 gf snap with a short 0.15 mm travel
- 200,000-cycle rated life, –30 °C to +80 °C operating range
Applications
SPECIFICATIONS
| Part Number | KAN3742-035B0201 |
|---|---|
| Switch Type | Tactile switch (metal dome, momentary) |
| Circuit | 1 pole 1 throw (SPST-NO) |
| Mounting Style | Surface-mount (SMD), 4-pin |
| Body Size | 3.7 × 3.7 × 0.35 mm |
| Operating Force | 160 ± 50 gf |
| Travel | 0.15 ± 0.1 mm |
| Tactile Ratio | 35% – 75% |
| Return Force | 20 gf min |
| Stop Strength | 30 N |
| Stem Strength | 20 N min |
| Electrical Rating | DC 12 V, 50 mA (max); DC 1 V, 10 μA (min) |
| Contact Resistance | ≤100 mΩ |
| Insulation Resistance | ≥100 MΩ at DC 100 V |
| Dielectric Strength | 250 VAC, 1 min |
| Bounce | ≤10 ms (ON / OFF) |
| Electrical Life | 200,000 cycles |
| Operating Temperature | –30 °C to +80 °C |
| Storage Temperature | –40 °C to +90 °C |
| Housing Material | LCP |
| Contact Material | SUS, silver-coated |
| Terminal Material | Phosphor bronze, silver-plated |
| Film | Polyimide |
| RoHS | Compliant |
| Compliance | ISO 9001 & IATF 16949 certified facility |
| Packaging | Tape & reel |
Typical Applications
This microminiature metal-dome tact switch gives a crisp snap in an ultra-thin body, suiting slim devices: consumer electronics, mobile devices, wearables, and remote controls. The 0.35 mm profile and dome-under-film build deliver defined feedback where board-to-surface height is tight.
PART NUMBER KEY
MECHANICAL DRAWING
Units: mm
Tolerance: ±0.1mm
Unless otherwise specified
|
NO. |
NAME |
MATERIAL |
QTY. |
FINISHING |
|---|---|---|---|---|
A |
Case |
LCP |
1 |
Black |
B |
Contact |
SUS |
1 |
Single-sided silver coating |
C |
Film |
PI |
1 |
Yellow |
D |
Terminal |
Phosphor bronze |
1 |
Ag plating |
| ILLumination |
No |
|---|---|
| IP Rating |
No IP Rating |
| Height (mm) |
0.35 |
| Length (mm) |
3.7 |
| Width (mm) |
3.7 |
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Get in Touch
Tel
+86 13106665774
+ 86 13106665774
sales001@swiclick.com
Address
R.m 25D1, Block C, No 2070, Keji Dianzi Building, Shennan Zhong Rd., Futian Dist., Shenzhen, China
WE PROMISE
Send us your model, quantity, and application, and you’ll hear back from our engineers within hours, with technical datasheets and an NDA on request.
Free samples (1–50 pcs) ship in 4 days, and standard products in 7–15 business days, all built under ISO 9001 and IATF 16949 quality systems by a switch manufacturer with 30+ years of in-house tooling and production.
Our team can help you select the perfect configuration.
