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PT480F
Sharp Microelectronics
SENSOR PHOTO 860NM SIDE VIEW RAD
9983 Pcs New Original In Stock
Phototransistors 860nm Side View Radial
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Minimum 1
5.0 / 5.0
- (101 Ratings)
PT480F
Product Overview
7925229
DiGi Electronics Part Number
PT480F-DGManufacturer
Sharp Microelectronics
PT480F
Description
SENSOR PHOTO 860NM SIDE VIEW RADInventory
9983 Pcs New Original In Stock
Phototransistors 860nm Side View Radial
Quantity
Minimum 1
Minimum 1
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PT480F Technical Specifications
Category
Optical Sensors, Phototransistors
Packaging
-
Series
-
Product Status
Obsolete
Voltage - Collector Emitter Breakdown (Max)
35 V
Current - Collector (Ic) (Max)
20 mA
Current - Dark (Id) (Max)
100 nA
Wavelength
860nm
Viewing Angle
70°
Power - Max
75 mW
Mounting Type
Through Hole
Orientation
Side View
Operating Temperature
-25°C ~ 85°C (TA)
Package / Case
Radial
Datasheet & Documents
Datasheets
Download PT480F Product Specification (PDF)
HTML Datasheet
PT480F-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.7080
Additional Information
Other Names
425-1012-5
Standard Package
50
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Meine Bestellung wurde sofort bearbeitet und kam innerhalb kürzester Zeit an – top Logistikqualität.
December 02, 2025
Dieses Unternehmen setzt Maßstäbe mit umweltfreundlicher Verpackung zu fairen Preisen.
December 02, 2025
アフターサービスの対応が的確で、信頼のおける会社です。
December 02, 2025
品質と価格のバランスが絶妙で、非常に気に入っています。
December 02, 2025
I appreciate their quick and helpful after-sales support that keeps my work uninterrupted.
December 02, 2025
The support team provides detailed documentation and follow-up to ensure our issues are fully addressed.
December 02, 2025
Their quick shipping enhances my shopping experience.
December 02, 2025
The checkout process is streamlined and user-friendly, reducing any confusion during purchase.
December 02, 2025
The order processing efficiency at DiGi Electronics is outstanding, ensuring timely delivery for our institution's requirements.
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Frequently Asked Questions (FAQ)
Can the PT480F be used as a drop-in replacement for the GP1S282HG00F in a side-view optical encoder design, and what are the key risk factors?
The PT480F can function as a replacement for the GP1S282HG00F in side-view optical encoder applications, but it is not a direct drop-in due to differences in package dimensions and RoHS compliance. The PT480F is RoHS non-compliant and has a radial through-hole case, while the GP1S282HG00F features a surface-mount slotted design. Mechanical retooling of the PCB and housing may be required. Additionally, verify signal timing compatibility—ensure the PT480F's response time meets encoder speed requirements, as slower rise/fall times could introduce position errors at higher RPMs. Always confirm optical alignment tolerance with the 70° viewing angle during integration.
What are the design-in risks when using the PT480F in a high-temperature industrial environment near 85°C?
When using the PT480F in environments approaching 85°C, the primary risk is increased dark current (Id), which can exceed 100 nA and introduce false triggering in low-light detection circuits. Although the PT480F specifies operation up to 85°C, thermal drift in sensitivity and wavelength response may degrade signal-to-noise ratio over time. Mitigate this by implementing hysteresis in the comparator circuit, shielding the sensor from ambient IR sources, and ensuring adequate PCB heat dissipation. Consider periodic calibration in long-term deployments to maintain detection accuracy.
How does the PT480F's 70° viewing angle impact reliability in misaligned mechanical assemblies, and how can detection consistency be maintained?
The PT480F's 70° viewing angle offers moderate tolerance to optical misalignment, but off-axis light incidence can reduce responsivity and cause inconsistent triggering in reflective or interrupted beam applications. In mechanically variable assemblies, this may lead to intermittent faults over time due to vibration or thermal expansion. To enhance reliability, use the PT480F with a focused light source (e.g., an 860nm LED with matching aperture) and add mechanical alignment features like shrouds or light pipes. For safety-critical systems, incorporate window comparators in the signal chain to reject weak or partial pulses.
What are the implications of the PT480F being marked as obsolete for long-term product deployment and inventory planning?
The obsolete status of the PT480F means no future production is planned by Sharp Microelectronics, increasing long-term supply chain risk. While 9,952 units are available now, design teams should anticipate obsolescence-driven redesigns in 3–5 years. To mitigate risk, purchase sufficient lifetime buy stock with moisture barrier packaging, and initiate alternative sourcing or redesign efforts using RoHS-compliant modern equivalents like the Everlight PT333-3C or Vishay BPW85C. Ensure any replacement includes through-hole compatibility and similar spectral response to minimize requalification effort.
Is the PT480F suitable for battery-powered applications given its 20 mA max collector current and 75 mW power limit, and what are the trade-offs?
The PT480F can be used in battery-powered systems if operated in a pulsed mode with current limiting, but its 20 mA Ic max and 75 mW power dissipation limit continuous operation. To conserve power, drive the paired 860nm LED in short bursts and use high-value pull-up resistors (e.g., 10–100 kΩ) on the PT480F output to reduce quiescent current. Be aware that higher resistors slow response time—this trade-off may affect system dynamics. For ultra-low-power designs, consider switching to a photodiode-based solution, but note that the PT480F’s built-in gain provides better signal amplitude in dim conditions compared to discrete photodiodes.
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.
PT480F CAD Models
Sharp Microelectronics PT480F PCB symbols & footprints
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