KAQY214STLD
Manufacturer
Model
KAQY214STLD
Category
The KAQY214STLD is a cost-effective MOS output solid-state relay designed for low-power control applications requiring opto-isolation. With 1.5kV isolation, 130mA load capability, and SOP-4 packaging, it suits industrial automation and medical devices. Maximum junction temperature of 125°C and 300µs switching times ensure reliable operation within specified thermal and voltage limits.
Reference Pricing
Reference Stock
Specifications
| Control Method | Low level control |
| Insulation Strength | 5KV |
| Isolation Voltage | 5000Vrms |
| Load Type | AC DC |
| Noise Immunity | N/A |
| Operating Temperature Range | -40 to +85℃ |
| Operating Voltage | 400V AC or DC |
| Package Type | SOP-4-2.54mm |
| Protection Class | N/A |
| Rated Current | 130mA |
| Switching Frequency | N/A |
| Switching Speed | {"Turn-on Time": "0.3ms", "Turn-off Time": "0.1ms"} |
Function And Role
Core Function
SPST-NO (Single Pole Single Throw Normally Open) Solid State Relay with MOS Output for opto-isolation and signal switching
Key Characteristics
- 1.2V forward voltage
- 20Ω RDS(on)
- 130mA load current
- 1.5kV isolation voltage
- 300µs turn-on time
- 100µs turn-off time
Application Domains
Basic Scenarios
- Low-power control circuits
- Industrial automation relays
- Medical device signal switching
Extended Scenarios
- High-reliability automotive systems
- Precision instrumentation
- Environmental monitoring equipment
Precautions
| Soldering | Use 2.54mm pitch SOP-4 package with proper thermal relief; avoid excessive heat exposure |
| Current Limit | Max continuous load current: 130mA (surge: 200mA for 10ms) |
| Voltage Limit | Max load voltage: 400V AC/DC; isolation voltage: 1.5kV RMS |
| Thermal Management | Thermal resistance: 50°C/W; maximum junction temperature: 125°C |
| Storage | Store in <10% relative humidity, -40°C to +85°C; avoid static discharge |
| Risk Warnings |
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Alternative Model Params
- Isolation voltage (min 1.2kV)
- Load current (max 150mA)
- RDS(on) (max 25Ω)
- Operating temperature (-40°C to +100°C)
Design Recommendations
| Layout | Use star grounding for opto-coupled sections; maintain 5mm creepage distance |
| Thermal | Implement copper pour heat sinking for packages >1000 units/month |
| Compatibility | Verify with 5V-24V control signal ranges; check MOSFET gate threshold |
| Testing | Perform 5000 cycle life testing under 85°C/85% RH conditions |
Market Positioning
| Strengths |
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| Weaknesses |
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Datasheet
Assist inquiry
Distributors
Shenzhen Nanyang Shiyang Technology Co., Ltd.
Shenzhen Guanshuo Guodian Technology Co., Ltd.
Shenzhen Jiaxing Times Technology Co., Ltd.
Shenzhen Rongyisheng Electronic Co., Ltd.
Shenzhen Sheng Baiwei Technology Co., Ltd.
Shenzhen Hongxin Optoelectronics Co., Ltd.
Shenzhen Waluxin Electronic Co., Ltd.
Shenzhen Xiangteng Suishun Technology Co., Ltd.
Wuhan Yuchengkehui Science and Technology Co., Ltd.
Shenzhen Wenjia Sheng Electronic Co., Ltd.
Shenzhen Xinde Electronic Technology Co., Ltd.