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GP1S59
Sharp Microelectronics
SENSOR OPT SLOT PHOTOTRAN PCB MT
1910 Pcs New Original In Stock
Optical Sensor Through-Beam 0.165" (4.2mm) Phototransistor PCB Mount
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5.0 / 5.0
- (153 Ratings)
GP1S59
Product Overview
7916549
DiGi Electronics Part Number
GP1S59-DGManufacturer
Sharp Microelectronics
GP1S59
Description
SENSOR OPT SLOT PHOTOTRAN PCB MTInventory
1910 Pcs New Original In Stock
Optical Sensor Through-Beam 0.165" (4.2mm) Phototransistor PCB Mount
Quantity
Minimum 1
Minimum 1
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GP1S59 Technical Specifications
Category
Optical Sensors, Photointerrupters - Slot Type - Transistor Output
Packaging
-
Series
-
Product Status
Obsolete
Sensing Distance
0.165" (4.2mm)
Sensing Method
Through-Beam
Output Configuration
Phototransistor
Current - DC Forward (If) (Max)
50 mA
Current - Collector (Ic) (Max)
20 mA
Voltage - Collector Emitter Breakdown (Max)
35 V
Response Time
3µs, 4µs
Operating Temperature
-25°C ~ 85°C
Mounting Type
Through Hole
Package / Case
PCB Mount
Type
Unamplified
Datasheet & Documents
Datasheets
Download GP1S59 Product Specification (PDF)
Design Resources
Development Tool Selector
HTML Datasheet
GP1S59-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
425-1058-5
Standard Package
50
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
DiGi Electronics' prices are some of the best in the market for the quality they deliver.
December 02, 2025
I appreciate how DiGi Electronics maintains affordability while delivering reliable products.
December 02, 2025
The support staff provided detailed guidance that helped me immensely.
December 02, 2025
DiGi Electronics provides a vast array of options, making it easier for consumers to find suitable products.
December 02, 2025
On-time shipments help maintain my project schedules seamlessly.
December 02, 2025
Their shipping speed is excellent, and the eco-friendly packaging aligns with my values.
December 02, 2025
Their customer support team is a pleasure to work with.
December 02, 2025
The consistency in shipping and packaging quality is impressive.
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Frequently Asked Questions (FAQ)
Can GP1S59 be used as a drop-in replacement for the discontinued Honeywell HOA1405 in through-beam sensor applications, and what design-in risks should be considered?
The GP1S59 can serve as a functional alternative to the Honeywell HOA1405 in many through-beam applications due to similar 4.2mm gap spacing and phototransistor output, but it is not a direct drop-in replacement. Key design-in risks include differences in emitter wavelength response, output sensitivity, and footprint alignment—verify alignment and optical coupling in your specific mechanical housing. Additionally, since the GP1S59 is listed as obsolete and RoHS non-compliant, long-term supply and compliance in new designs are significant concerns. Always prototype and test under real-world contamination and temperature conditions to confirm reliability.
How does the GP1S59 perform in high-temperature industrial environments near 85°C, and what degradation risks exist at maximum operating temperature?
The GP1S59 is rated for operation up to 85°C, but at this upper limit, parameters like dark current and response time may degrade noticeably. In long-term industrial use near 85°C, increased collector leakage current can cause false triggering, especially in low-signal conditions. To mitigate risk, design with increased signal margin—use higher emitter current (within 50mA max) and confirm stable switching with hysteresis on the input stage of your microcontroller or comparator. Avoid condensing environments due to lack of hermetic sealing in the PCB mount package.
What are the critical PCB layout considerations when integrating the GP1S59 through-beam phototransistor into a densely populated control board?
When placing the GP1S59 on a dense PCB, avoid routing high-voltage or high-speed digital traces near the phototransistor output pin to prevent EMI-induced false triggering. Keep the collector-emitter circuit short and decoupled with a small ceramic capacitor (e.g., 100nF) if driving into a logic gate. Since the GP1S59 uses through-hole mounting, ensure the board layout accounts for mechanical stability—avoid areas prone to vibration or flexing, which can stress leads. Also, use light shielding (e.g., conformal opaque tape or shroud) around the slot to prevent ambient light interference, especially under direct indoor lighting.
What are the risks of using GP1S59 in new product designs given its obsolete status, and are there recommended modern replacements?
Using the GP1S59 in new designs carries significant supply chain and lifecycle risk due to its obsolete status and RoHS non-compliance. While 1850 units are available, future production runs may face component shortages. For long-term reliability and compliance, consider modern alternatives like the Vishay TCST2103 or Omron EE-SY120, which offer RoHS-compliant, surface-mount through-beam sensors with similar 4mm spacing. If retaining GP1S59, secure a lifetime buy and verify its use does not violate your product’s environmental compliance requirements.
How does the unamplified output of the GP1S59 affect signal conditioning requirements in low-light or noisy industrial environments?
Because the GP1S59 has an unamplified phototransistor output, its output current varies linearly with light intensity and requires external signal conditioning—this makes it more susceptible to noise in low-light or electrically noisy environments. To ensure reliable switching, use a current-limiting resistor on the emitter and condition the signal with a comparator (e.g., LM393) with hysteresis or a microcontroller input with Schmitt-trigger behavior. Avoid long cable runs from the sensor to the circuit, as high-impedance nodes can pick up noise. Increasing the LED drive current (within 50mA limit) improves signal-to-noise ratio, especially when dust or lens aging reduces optical transmission over time.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
GP1S59 CAD Models
Sharp Microelectronics GP1S59 PCB symbols & footprints
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