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PC814X1
Sharp Microelectronics
OPTOISOLATOR 5KV TRANS 4DIP
12931 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP
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Minimum 1
5.0 / 5.0
- (470 Ratings)
PC814X1
Product Overview
7929582
DiGi Electronics Part Number
PC814X1-DGManufacturer
Sharp Microelectronics
PC814X1
Description
OPTOISOLATOR 5KV TRANS 4DIPInventory
12931 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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PC814X1 Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Number of Channels
1
Voltage - Isolation
5000Vrms
Current Transfer Ratio (Min)
50% @ 1mA
Current Transfer Ratio (Max)
150% @ 1mA
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
4µs, 3µs
Input Type
AC, DC
Output Type
Transistor
Voltage - Output (Max)
80V
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
4-DIP (0.300", 7.62mm)
Supplier Device Package
4-DIP
Datasheet & Documents
Datasheets
Download PC814X1 Product Specification (PDF)
HTML Datasheet
PC814X1-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
425-1447-5
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
가격이 합리적이고 배송이 빠르니, 구매 후 만족도가 높아요.
December 02, 2025
빠른 배송과 믿을 수 있는 고객 서비스를 경험할 수 있어 좋아요.
December 02, 2025
Les matériaux de fabrication offrent une résistance supplémentaire face aux endommagements accidentels.
December 02, 2025
Leur souci du détail dans l’emballage garantit la sécurité des produits durant le transit.
December 02, 2025
丁寧で親切な対応により、リピートしたいと思う会社です。
December 02, 2025
Their reliable performance at an affordable price is perfect for my needs.
December 02, 2025
Whenever I need technical advice post-purchase, their after-sales team is quick to respond and very helpful.
December 02, 2025
I highly recommend DiGi Electronics for their transparent pricing and excellent after-sales service.
December 02, 2025
Fast shipping and a user-friendly site make this my go-to shopping portal.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the PC814X1 in a new medical isolation circuit given its obsolete status?
Using the PC814X1 in new medical designs poses significant supply chain and lifecycle risks due to its obsolete status from Sharp Microelectronics. While it offers 5000Vrms isolation suitable for patient-connected equipment, sourcing through third-party distributors increases counterfeit risk. For reliable design-in, consider lifetime buy strategies or transitioning to active-pin-compatible alternatives like the SFH620A-1, which is AEC-Q101 qualified and currently available. Always validate long-term availability with procurement before commitment in medical applications requiring certification traceability.
How does the PC814X1's non-RoHS compliance impact high-reliability industrial designs and what are the mitigation steps?
The PC814X1's RoHS non-compliance limits its use in new high-reliability industrial systems destined for EU markets or environmentally regulated sectors. Leaded materials may also affect long-term solder joint reliability under thermal cycling. If substitution isn't immediate, document exemptions under RoHS Article 4(1)(e) for legacy maintenance. For new designs, compare pin-to-pin performance with RoHS-compliant drop-ins like the SFH620A-1, ensuring CTR (50–150% @1mA) and 80V Vce compatibility, while evaluating lead-free reflow profiles for backward compatibility.
Can the PC814X1 reliably drive a logic-level microcontroller input and what pull-up trade-offs should be considered?
The PC814X1 can drive microcontroller GPIO inputs safely by configuring the NPN transistor output with a pull-up resistor to 3.3V or 5V logic rails. However, with a max 50mA output current and 4µs rise time, select pull-up values (typically 4.7kΩ to 10kΩ) to balance response speed against power dissipation and CTR degradation over time. Avoid low resistances (<1kΩ) that could exceed the device's drive capability under low CTR conditions. Include a bypass capacitor near the input to suppress transient noise in noisy industrial environments.
What are the critical differences between the PC814X1 and SFH620A-1 when evaluating a replacement in legacy systems?
While the PC814X1 and SFH620A-1 are functionally similar with 1-channel transistor output and ~5000Vrms isolation, the SFH620A-1 offers RoHS compliance, higher CTR stability over temperature (50–600% range variants), and ongoing availability. The PC814X1's 200mV Vce saturation is slightly better for analog sensing, but SFH620A-1 versions with 300mV max offer better lifecycle support. Verify board footprint compatibility (both 4-DIP) and derate input current to 5–10mA for improved lifetime in on/off control applications when replacing.
How should operating temperature and aging affect PC814X1 signal integrity in extended-life automotive applications?
Operating the PC814X1 near its 100°C max ambient temperature accelerates LED degradation, reducing CTR over time—a critical failure mode in automotive feedback circuits. Derate the forward current to ≤10mA (despite 50mA max rating) and design for ≥2x margin over minimum required CTR. Monitor output voltage under worst-case low-CTR conditions (aging, high temp). As the PC814X1 is obsolete, consider accelerated end-of-life testing or transition to automotive-grade isolators like SFH620A-1, which provides better datasheet lifetime projections and temperature performance.
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.
PC814X1 CAD Models
Sharp Microelectronics PC814X1 PCB symbols & footprints
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