Ningbo Haoxin Electronic Technology Co., Ltd.
1.27mm 4 Positions SPST Standary SMD&SMT Type Dip Switches
Haoxin SMD&SMT 1.27mm is the mainstream specification for ultra-small pitch (ultra-thin/miniature) DIP switches, offering half the pitch of traditional 2.54mm models. Designed for high density, slim profiles, and surface-mount applications, they are widely used in consumer electronics, industrial control boards, IoT devices, and wearables.
Brand:Haoxin
Model: NHA-04E...
Color: Black
Plating: Glod
Wave Soldering: 260 Degrees
Contact Rating:25mA 24VDC
Contact Rating:100mA
Product origin:China
Delivery time:7-30days
Products DETAILS
1.27mm 4 Positions SPST Standary SMD&SMT Type Dip Switches
MATERIALS
Cover: Engineering Plastics, Black
Base: Engineering Plastics, Black
Actuator: Engineering Plastics,White
Terminal: Copper Alloy ,Plating Gold
ELECTRICAL SPECIFICATIONS
1．Contact resistance（initial）： ≤50mΩ
2．Contact resistance（after test）： ≤100mΩ
3．Contact rating（status changes often）： 25mA 24VDC
4．Contact rating（status constant）： 100mA
5． Insulation resistance： ≥1000MΩ min. 500V DC
6．Dielectric strength： 500V AC/1 mintue. 1mA
7．Capacitance between adjacent switches： 5PF max. 1V AC/100HZ
MECHANICAL SPECIFICATIONS
1．Operation force： ≤8N
2．Mechanical life： 2000 operations
3．Operating Temperature： -40℃ ～ +85℃
4．Storage Temperature： -40℃ ～ +85℃
5．Solderability： After fluxed 235±5℃ for 5±0.5seconds,95%covered
6．Resistance to soldering heat： 260±5℃ for 5±1seconds.twice
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I.Haoxin 1.27MM SMD&SMT Type DIP Switches Key Advantages
1. Maximizes PCB Space Savings
- Significantly reduced width/length, ideal for high-density layouts and miniaturized products.
2. Thin-Profile Compatibility
- Ultra-thin design suitable for slim devices, laptops, tablets, wearables, and modules.
3. Automated Production Compatibility
- Fully surface-mount (SMD) design supports tape-and-reel packaging and direct reflow soldering, eliminating manual insertion.
4. Vibration Resistance & Stability
- High-strength SMD soldering ensures clear gear locking without accidental shifts, ideal for automotive/industrial/outdoor equipment.
5. Cost & Yield Advantages
- High cost-effectiveness in mass production; simplified PCB routing reduces flying leads and jumpers.
6. Enhanced Electromagnetic & Structural Performance
- Compact size and short leads minimize parasitic inductance/capacitance, ideal for high-frequency/digital circuit configurations.
II. Haoxin 1.27MM SMD&SMT Type DIP Switches Typical Application Scenarios
- IoT modules, Bluetooth/WiFi modules
- Wearables, TWS charging cases, compact controllers
- Industrial control boards, driver boards, sensor configurations
- Server/communication boards, portable instruments
Cover: Engineering Plastics, Black
Base: Engineering Plastics, Black
Actuator: Engineering Plastics,White
Terminal: Copper Alloy ,Plating Gold
ELECTRICAL SPECIFICATIONS
1．Contact resistance（initial）： ≤50mΩ
2．Contact resistance（after test）： ≤100mΩ
3．Contact rating（status changes often）： 25mA 24VDC
4．Contact rating（status constant）： 100mA
5． Insulation resistance： ≥1000MΩ min. 500V DC
6．Dielectric strength： 500V AC/1 mintue. 1mA
7．Capacitance between adjacent switches： 5PF max. 1V AC/100HZ
MECHANICAL SPECIFICATIONS
1．Operation force： ≤8N
2．Mechanical life： 2000 operations
3．Operating Temperature： -40℃ ～ +85℃
4．Storage Temperature： -40℃ ～ +85℃
5．Solderability： After fluxed 235±5℃ for 5±0.5seconds,95%covered
6．Resistance to soldering heat： 260±5℃ for 5±1seconds.twice
--------------------------------------------------------------------------------------------------------------------------------------------------
I.Haoxin 1.27MM SMD&SMT Type DIP Switches Key Advantages
1. Maximizes PCB Space Savings
- Significantly reduced width/length, ideal for high-density layouts and miniaturized products.
2. Thin-Profile Compatibility
- Ultra-thin design suitable for slim devices, laptops, tablets, wearables, and modules.
3. Automated Production Compatibility
- Fully surface-mount (SMD) design supports tape-and-reel packaging and direct reflow soldering, eliminating manual insertion.
4. Vibration Resistance & Stability
- High-strength SMD soldering ensures clear gear locking without accidental shifts, ideal for automotive/industrial/outdoor equipment.
5. Cost & Yield Advantages
- High cost-effectiveness in mass production; simplified PCB routing reduces flying leads and jumpers.
6. Enhanced Electromagnetic & Structural Performance
- Compact size and short leads minimize parasitic inductance/capacitance, ideal for high-frequency/digital circuit configurations.
II. Haoxin 1.27MM SMD&SMT Type DIP Switches Typical Application Scenarios
- IoT modules, Bluetooth/WiFi modules
- Wearables, TWS charging cases, compact controllers
- Industrial control boards, driver boards, sensor configurations
- Server/communication boards, portable instruments
Contact Us
NO.1166 Longci Road Cicheng Town Jiangbei District, Ningbo City, Zhejiang Province, China.
