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PC81711NIP0F
Sharp Microelectronics
OPTOISOLATOR 5KV TRANS 4SMD
17123 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 1 Channel 4-SMD
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Minimum 1
Minimum 1
5.0 / 5.0
- (452 Ratings)
PC81711NIP0F
Product Overview
7929092
DiGi Electronics Part Number
PC81711NIP0F-DGManufacturer
Sharp Microelectronics
PC81711NIP0F
Description
OPTOISOLATOR 5KV TRANS 4SMDInventory
17123 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 1 Channel 4-SMD
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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PC81711NIP0F Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Number of Channels
1
Voltage - Isolation
5000Vrms
Current Transfer Ratio (Min)
120% @ 500µA
Current Transfer Ratio (Max)
300% @ 500µA
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
4µs, 3µs
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
80V
Current - Output / Channel
50mA
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
10 mA
Vce Saturation (Max)
200mV
Operating Temperature
-30°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
4-SMD, Gull Wing
Supplier Device Package
4-SMD
Datasheet & Documents
HTML Datasheet
PC81711NIP0F-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
425-2178-6
425-2178-1
425-2178-2
Standard Package
2,000
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
我喜歡DiGi Electronics的價格，經濟又實惠，而且他們的包裝一看就是用心又環保。
December 02, 2025
La livraison a été très efficace, je l’ai reçue le jour suivant ma commande. Les composants sont très robustes face à l’utilisation continue.
December 02, 2025
Le rapport qualité-prix est excellent, et leur site facilite la consultation et la commande.
December 02, 2025
Destination delivery is always on time, and the products are reliably durable.
December 02, 2025
Their after-sales support is reliable—helpful, friendly, and efficient.
December 02, 2025
Their swift after-sales responses have helped us avoid costly downtime and maintain productivity.
December 02, 2025
Post-purchase support from DiGi Electronics has exceeded my expectations.
December 02, 2025
The vast selection of options ensures I always find the perfect product for my needs.
December 02, 2025
Great prices coupled with quality service make DiGi Electronics a reliable choice.
December 02, 2025
DiGi Electronics maintains strict quality standards that I rely on for professional repairs.
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Frequently Asked Questions (FAQ)
Can I safely replace the obsolete PC81711NIP0F optoisolator in my existing 48V industrial control board with a modern equivalent like the HCPL-817-50BE, and what design risks should I evaluate before making the swap?
Yes, the HCPL-817-50BE is a viable drop-in replacement for the PC81711NIP0F in most 48V industrial applications, but you must verify three critical areas: first, confirm that the output transistor’s Vce(sat) and current transfer ratio (CTR) at your operating If meet your load requirements—the HCPL-817-50BE has a guaranteed CTR of 50% min at 5mA, which may require adjusting input current if your legacy design relied on the PC81711NIP0F’s higher 120% min CTR at 500µA. Second, ensure the PCB footprint is compatible; both use a 4-SMD gull-wing package, but pad spacing and thermal profiles should be double-checked. Third, assess long-term reliability under your thermal conditions—the PC81711NIP0F supports up to 100°C, and while the HCPL-817-50BE matches this, derating curves differ slightly. Always prototype and test under worst-case load and temperature conditions before full migration.
What are the key reliability concerns when using the PC81711NIP0F in high-humidity environments, and how does its MSL 1 rating impact board-level design and storage practices?
Although the PC81711NIP0F carries an MSL 1 (unlimited floor life) rating—indicating high resistance to moisture absorption—this does not eliminate all humidity-related risks in field deployment. The primary concern is not package delamination (minimized by MSL 1), but rather long-term degradation of the internal LED and phototransistor due to ionic contamination or conductive anodic filaments (CAF) forming on the PCB under sustained high humidity and bias. To mitigate this, ensure your PCB finish (e.g., ENIG or immersion tin) is compatible with high-isolation circuits, apply a conformal coating if operating above 85% RH, and avoid placing high-voltage nodes near the optoisolator’s isolation barrier. Also, even with MSL 1, store unused PC81711NIP0F units in dry cabinets if ambient humidity exceeds 60% to prevent solderability issues over time.
How does the PC81711NIP0F’s turn-on/off timing compare to faster digital isolators like the Si8621, and in what control loop applications might this delay become a limiting factor?
The PC81711NIP0F has typical rise/fall times of 4µs and 3µs, resulting in total propagation delay well above 10µs—significantly slower than modern capacitive or magnetic digital isolators like the Silicon Labs Si8621, which offers <10ns delay. This makes the PC81711NIP0F unsuitable for high-speed communication (e.g., SPI daisy-chaining) or fast feedback loops in switch-mode power supplies where loop bandwidth exceeds ~50kHz. In motor control or precision PWM applications, such delays can introduce phase lag, reducing stability margins. If your design requires sub-microsecond response, consider migrating to a digital isolator; however, if you're isolating low-frequency analog signals or relay drivers (<10kHz), the PC81711NIP0F remains acceptable, provided you account for timing skew in your control algorithm.
I’m designing a safety-critical medical device requiring reinforced insulation—can the PC81711NIP0F’s 5kVrms isolation withstand repeated surge tests per IEC 60601-1, or do I need additional protection?
The PC81711NIP0F’s 5kVrms isolation voltage meets the basic requirement for reinforced insulation in many medical applications under IEC 60601-1, but it is not sufficient alone for repeated surge or impulse testing (e.g., 6kV/3kA comb wave). The internal dielectric is rated for one-minute withstand, not continuous surge stress. To ensure compliance, you must add external protection: a series current-limiting resistor (1–10kΩ) on the input side and transient voltage suppressors (TVS diodes) or gas discharge tubes on both input and output sides. Additionally, maintain a minimum creepage distance of 8mm on the PCB across the isolation barrier and use slotting or isolation trenches if space is constrained. Always validate your complete isolation system—not just the PC81711NIP0F—through third-party certification testing.
What happens to the current transfer ratio (CTR) of the PC81711NIP0F over time and temperature, and how should I derate it for a 10-year industrial application operating at 85°C ambient?
The CTR of the PC81711NIP0F degrades over time due to LED aging and is highly sensitive to temperature—CTR typically drops by 20–40% at 85°C compared to 25°C, and further declines with operational hours. For a 10-year industrial application, assume a worst-case CTR degradation of up to 50% from initial values. Since the datasheet specifies 120–300% CTR at 500µA and 25°C, design your circuit assuming only 60% CTR at end-of-life and 85°C. This means increasing the input forward current (If) or using a higher-gain output stage (e.g., Darlington configuration or op-amp buffer) to maintain adequate output current. Always include a safety margin of at least 2:1 in CTR for long-term reliability, and consider periodic functional testing if the application is safety-related.
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.
PC81711NIP0F CAD Models
Sharp Microelectronics PC81711NIP0F PCB symbols & footprints
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