ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 2200 |
| Delivery Time | 5-8 days |
| Packaging Details | Palletized |
| Cut-off frequency | 20 MHz (-3dB) |
| Reverse voltage | 30 V |
| Operating temperature range | -40℃ ~ +85℃ |
| Noise equivalent power (NEP) | 1.9×10⁻¹⁴ W/√Hz |
| Four-quadrant division | 10×10mm |
| Sensitivity | 960nm |
| SMD ultra-thin packaging | 1.26mm thick |
| Low dark current | Dark current |
| Brand Name | YJJ |
| Model Number | S5981 |
| Place of Origin | Japan |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 2200 |
| Delivery Time | 5-8 days | Packaging Details | Palletized |
| Cut-off frequency | 20 MHz (-3dB) | Reverse voltage | 30 V |
| Operating temperature range | -40℃ ~ +85℃ | Noise equivalent power (NEP) | 1.9×10⁻¹⁴ W/√Hz |
| Four-quadrant division | 10×10mm | Sensitivity | 960nm |
| SMD ultra-thin packaging | 1.26mm thick | Low dark current | Dark current |
| Brand Name | YJJ | Model Number | S5981 |
| Place of Origin | Japan | ||
| High Light | Silicon PIN photodiode 10x10mm ，Near-infrared detection photodiode ，Infrared photoelectric sensor S5981 | ||
Product Description:
YJJ S5981 Silicon PIN Photodiode, 10×10mm, for near-infrared detection
Features:
S5981 Silicon PIN Photodiode, specially designed for surface mount (SMD) applications, is primarily used for precise optical scenarios such as optical axis calibration, position detection, and laser alignment.
S5981 Photodiode
1. Key Parameters (Ta = 25°C)
Model: S5981
Type: 4-Quadrant Silicon PIN Photodiode
Photo-sensitive Area: 10 × 10 mm (Equal in all quadrants, 5 × 5 mm per quadrant)
Spectral Response: 320 - 1100 nm (Ultraviolet to Near Infrared)
Hamamatsu Photonics Co., Ltd.
Peak Wavelength: 960 nm
Response Coefficient: 0.72 A/W @ 960 nm
Dark Current: ≤ 4 nA (@ VR = 10V)
Capacitance at Junction: 35 pF (@ VR = 10V, f = 1 MHz)
Cut-off Frequency: 20 MHz
Noise Equivalent Power: 1.9 × 10-¹4 W/Hz¹/²
Package: Ceramic SMD, Thickness 1.26 mm
Operating Temperature: -40°C ~ +85°C
Storage Temperature: -40°C ~ +100°C
Features: 4-Quadrant Division, Large Photo-Sensitive Area, Ultra-Thin SMD, Lead-Free Reflow Soldering
2. Structure and Pins
4-Quadrant Structure: The illuminated surface is divided into 4 independent quadrants (A/B/C/D), each capable of outputting photocurrent
Pins: 5 in total (4 signal paths + 1 common terminal), supports SMD reflow soldering
Advantages: Simultaneous detection of light intensity and light spot position, no mechanical scanning required
3. Typical Applications
Laser Optical Axis Calibration / Alignment
Positioning and Offset Monitoring for Laser Marking, Welding, Cutting Equipment
Optical Platform, Telescope, Laser Radar Optical Axis Closed-loop Correction
Position Sensitive Detection (PSD Alternative)
Center Offset Measurement of Light Spot, Angle Deviation Detection
Robot Vision, Workpiece Alignment, Precise Displacement Sensing
Laser Power / Energy Monitoring
Real-time Detection of 905nm/980nm/1064nm Laser Power
Light Intensity Monitoring for Fiber Optic Communication, Laser Medical Equipment
Optical Measurement Instruments
Wide-Spectrum Detection for Spectrophotometers, Colorimeters, Radiometers
Environmental Light Monitoring, Exposure Control for Industrial Cameras
Automotive / Industrial Automation
Vehicle Laser Radar (LiDAR) Reception, Obstacle Avoidance Sensor
Navigation and Positioning of Automated Guided Vehicles (AGV)
Specifications:
| Spectral range | 320–1100 nm |
| Peak wavelength | 960 nm |
| Response | 0.72 A/W @ 960 nm |
| Dark current | 0.6 nA |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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