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PC81712NIP0F
Sharp Microelectronics
OPTOISOLATOR 5KV TRANS 4SMD
4849 Pcs New Original In Stock
Optoisolator Transistor Output 5000Vrms 1 Channel 4-SMD
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Minimum 1
5.0 / 5.0
- (275 Ratings)
PC81712NIP0F
Product Overview
7929579
DiGi Electronics Part Number
PC81712NIP0F-DGManufacturer
Sharp Microelectronics
PC81712NIP0F
Description
OPTOISOLATOR 5KV TRANS 4SMDInventory
4849 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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PC81712NIP0F Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Number of Channels
1
Voltage - Isolation
5000Vrms
Current Transfer Ratio (Min)
160% @ 500µA
Current Transfer Ratio (Max)
400% @ 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
PC81712NIP0F-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
425-2180-6
425-2180-2
425-2180-1
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
DiGi Electronics consistently provides fast responses to my inquiries, making it easy to get support when I need it.
December 02, 2025
We are always confident in their ability to supply what we need due to their robust stock levels.
December 02, 2025
Everything from support to delivery was handled efficiently and kindly.
December 02, 2025
Shipping was lightning-fast, and the items arrived in perfect condition. Highly recommended!
December 02, 2025
I appreciate the detailed FAQs on DiDigital’s site; they really help clarify any questions I have.
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Frequently Asked Questions (FAQ)
Can the PC81712NIP0F be used as a drop-in replacement for HCPL-817-50xxx series optocouplers in new designs, and what are the key compatibility risks?
While the PC81712NIP0F shares similar electrical characteristics with the HCPL-817-50LE and related variants—such as 5000Vrms isolation and comparable CTR range—it is critical to note that the PC81712NIP0F is marked as obsolete. Using it in new designs poses long-term supply chain and lifecycle risks. Additionally, verify pin compatibility and PCB footprint alignment, as minor package variations can affect solder joint reliability in high-vibration or thermal-cycling environments. Always confirm timing specs (e.g., rise/fall times) under your load conditions, as uncontrolled turn-on/off times in the datasheet could affect signal integrity in digital feedback loops.
What design considerations are critical when using the PC81712NIP0F in a high-temperature industrial control environment near its 100°C operating limit?
When operating the PC81712NIP0F near its maximum 100°C ambient temperature, derate the forward current (If) below 10 mA to prevent accelerated LED degradation. High temperatures increase CTR degradation over time, increasing the risk of false turn-off in feedback circuits. Include a safety margin in your feedback loop design by testing CTR at end-of-life conditions. Also, ensure adequate PCB copper spacing for thermal dissipation and avoid placing the device near heat-generating components like power MOSFETs or transformers to minimize localized overheating.
How does the PC81712NIP0F perform in fast-switching applications, and what are the risks of using it in SMPS feedback circuits?
The PC81712NIP0F has typical rise and fall times of 4µs and 3µs, which limits its usable bandwidth to approximately 100 kHz under ideal conditions. This makes it marginally suitable for lower-frequency switch-mode power supplies (SMPS) but risky in designs approaching or exceeding 50 kHz with tight transient response requirements. In such cases, consider modern alternatives like the LTV-M171 or HCPL-817 with faster response times. If using the PC81712NIP0F, add RC snubbing or use lower pull-up resistances to improve edge response—but watch for increased power dissipation and CTR nonlinearities.
What are the risks of current transfer ratio (CTR) variation in the PC81712NIP0F over time, and how can they be mitigated in relay drive or microcontroller interface circuits?
The PC81712NIP0F has a wide CTR range (160%–400% at 500µA), which can drift further over temperature and lifetime, especially with LED aging. In relay drive or MCU isolation circuits, this can lead to undetected turn-on failures. Mitigate this by designing with a worst-case CTR margin—e.g., use a 50% derating factor—and implement external hysteresis or monitoring circuits. Avoid operating near the 5mA If minimum; instead, drive at 6–8 mA with an input series resistor to maintain consistent coupling. For critical applications, consider adding periodic self-test routines to detect CTR degradation.
Is the PC81712NIP0F suitable for safety-certified medical or industrial equipment given its 5000Vrms isolation rating, and what certification gaps should designers watch for?
Although the PC81712NIP0F offers 5000Vrms isolation, suitability for safety-critical systems depends on system-level certifications (e.g., IEC 60601, IEC 61010) that require specific creepage, clearance, and material group compliance. The 4-SMD package may not provide sufficient creepage unless the PCB layout includes isolation slots or slits. Additionally, verify that the device meets the required insulation type (e.g., reinforced or double insulation) in your end application. Since the PC81712NIP0F is obsolete, lack of manufacturer support and long-term availability further limits its use in certified designs—prefer devices with VDE, UL, or CSA certifications under recognized file numbers.
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.
PC81712NIP0F CAD Models
Sharp Microelectronics PC81712NIP0F PCB symbols & footprints
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