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PC827BD
Sharp Microelectronics
OPTOISOLATOR 5KV 2CH TRANS 8DIP
8022 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 2 Channel 8-DIP
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5.0 / 5.0
- (255 Ratings)
PC827BD
Product Overview
7924940
DiGi Electronics Part Number
PC827BD-DGManufacturer
Sharp Microelectronics
PC827BD
Description
OPTOISOLATOR 5KV 2CH TRANS 8DIPInventory
8022 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 2 Channel 8-DIP
Quantity
Minimum 1
Minimum 1
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PC827BD Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Number of Channels
2
Voltage - Isolation
5000Vrms
Current Transfer Ratio (Min)
130% @ 5mA
Current Transfer Ratio (Max)
600% @ 5mA
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
4µs, 3µs
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
35V
Current - Output / Channel
50mA
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
50 mA
Vce Saturation (Max)
200mV
Operating Temperature
-30°C ~ 100°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-DIP
Datasheet & Documents
Datasheets
Download PC827BD Product Specification (PDF)
HTML Datasheet
PC827BD-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
425-1484-5
Standard Package
50
Alternative Parts
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Die umweltfreundliche Verpackung von DiGi Electronics zeigt, wie ernst sie es mit Nachhaltigkeit meinen. Zudem war der Versand äußerst schnell, was eine großartige Erfahrung war.
December 02, 2025
They demonstrate true expertise, making me feel confident in choosing their products.
December 02, 2025
DiGi Electronics demonstrates a strong commitment to customer satisfaction.
December 02, 2025
Every product I received was of superior quality, functioning flawlessly.
December 02, 2025
Support from DiGi Electronics always makes my experience positive.
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Frequently Asked Questions (FAQ)
Can PC827BD be used as a drop-in replacement for LTV-827 in an existing industrial control design, and what are the critical parameters to verify?
While the PC827BD and LTV-827 are both 2-channel transistor-output optoisolators with 5000Vrms isolation, they are not guaranteed drop-in replacements due to differences in current transfer ratio (CTR) behavior and RoHS compliance. The PC827BD has a CTR range of 130% to 600% at 5mA, while the LTV-827 typically starts at 100%, which may affect signal transmission in margin-critical circuits. Additionally, the PC827BD is RoHS non-compliant, which could impact regulatory certification. Before substitution, validate CTR under worst-case aging and temperature conditions, ensure driver circuits can source 5mA reliably, and confirm long-term availability since PC827BD is marked as obsolete. Consider using LTV-827S or ILD621GB as more modern, RoHS-compliant alternatives.
What design risks should be considered when using PC827BD in a high-temperature environment near its 100°C operating limit?
When operating the PC827BD near its 100°C maximum temperature, key risks include CTR degradation and increased leakage current in the output transistor, which can lead to false triggering or reduced signal gain. At elevated temperatures, the forward voltage (Vf) drops, potentially increasing LED current if driven from a fixed voltage without current limiting. To mitigate, design with a regulated LED drive current (e.g., using a series resistor recalculated for worst-case Vf and supply tolerance), derate the output current below 50mA, and account for long-term CTR degradation by designing with at least 2x margin in the minimum expected CTR after end-of-life. Thermal management and PCB layout to minimize local heating are also critical.
How does the obsolete status of PC827BD impact its suitability for new designs or long-lifecycle products?
The obsolete status of the PC827BD makes it unsuitable for new designs intended for long production runs or sustained service, as supply chain continuity cannot be guaranteed despite current inventory of 8000 units. Relying on obsolete components increases risk of costly redesigns or obsolescence mitigation efforts later. For reliable design-in, consider actively supported alternatives like the ILD621GB or LTV-827, which offer comparable performance and are RoHS-compliant. If using PC827BD in replacement repairs, secure a lifetime buy or buffer stock, but avoid introducing it into new product designs due to long-term procurement risk.
What PCB layout practices should be followed to maintain the 5000Vrms isolation rating of PC827BD in a 48V motor drive system?
To preserve the 5000Vrms isolation of the PC827BD in a 48V motor drive, maintain creepage and clearance distances per IEC 60664-1—typically at least 8mm for reinforced insulation in pollution degree 2 environments. Use a split ground plane between input and output sides, and avoid routing high-voltage traces near the optoisolator pins. Apply conformal coating to prevent tracking, and ensure the 8-DIP package is mounted to avoid contamination or moisture ingress. Note that while the system operates at 48V, transient surges and switching noise can stress isolation; verify with HI-POT testing during validation to confirm integrity.
What are the trade-offs between using PC827BD and ILD621GB in a legacy PLC input module requiring high noise immunity?
The PC827BD and ILD621GB both offer 5kV isolation and 2-channel transistor outputs, but differ in reliability and compliance. The PC827BD, being obsolete and RoHS non-compliant, poses supply and environmental risks, while the ILD621GB is actively supported and RoHS-compliant. In noise immunity, both are similar, but ILD621GB provides tighter CTR distribution and better performance over temperature. For a PLC module with long service life, ILD621GB is preferred despite potentially higher initial cost—its availability, modern packaging, and superior lifecycle support reduce total cost of ownership. Retrofitting PC827BD should be limited to field repairs only, not new production.
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.
PC827BD CAD Models
Sharp Microelectronics PC827BD PCB symbols & footprints
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