Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
PC401
Sharp Microelectronics
OPTOISO 3.75KV OPEN COLL 5MFP
1626 Pcs New Original In Stock
Logic Output Optoisolator Open Collector 3750Vrms 1 Channel CMTI 5-MFP
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (266 Ratings)
PC401
Product Overview
7927348
DiGi Electronics Part Number
PC401-DGManufacturer
Sharp Microelectronics
PC401
Description
OPTOISO 3.75KV OPEN COLL 5MFPInventory
1626 Pcs New Original In Stock
Logic Output Optoisolator Open Collector 3750Vrms 1 Channel CMTI 5-MFP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
PC401 Technical Specifications
Category
Optoisolators, Logic Output Optoisolators
Packaging
-
Series
OPIC™
Product Status
Obsolete
Number of Channels
1
Inputs - Side 1/Side 2
1/0
Voltage - Isolation
3750Vrms
Common Mode Transient Immunity (Min)
-
Input Type
DC
Output Type
Open Collector
Current - Output / Channel
50 mA
Data Rate
-
Propagation Delay tpLH / tpHL (Max)
3µs, 6µs
Rise / Fall Time (Typ)
100ns, 50ns
Voltage - Forward (Vf) (Typ)
1.1V
Current - DC Forward (If) (Max)
50mA
Voltage - Supply
3V ~ 15V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
6-SOIC (0.173", 4.40mm Width), 5 Leads
Supplier Device Package
5-MFP
Datasheet & Documents
Datasheets
Download PC401 Product Specification (PDF)
HTML Datasheet
PC401-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
425-1521-2
425-1521-1
Standard Package
3,000
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
La sécurité de l'emballage était exceptionnelle. Rien n'a bougé lors du transport, preuve d'une attention méticuleuse aux détails.
December 02, 2025
The responsive customer service complements their attractive pricing nicely.
December 02, 2025
I value their proactive approach to customer support and problem-solving.
December 02, 2025
Their support team is professional and genuinely cares about customer satisfaction.
December 02, 2025
Their commitment to excellence is evident in every interaction.
December 02, 2025
I trust their after-sales support to resolve any issues quickly.
December 02, 2025
I appreciate how their customer service is responsive and always ready to assist with my needs.
December 02, 2025
Delivers on time reliably, and the post-sale support is superb.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the PC401 from Sharp Microelectronics be safely used as a drop-in replacement for the HCPL-M600 in a 24V industrial input interface, and what design risks should I evaluate before making the switch?
While the PC401 and HCPL-M600 both offer 3.75kVrms isolation and open-collector logic outputs, the PC401 is not a direct drop-in due to differences in pinout, package (5-MFP vs. 6-SOIC), and forward current requirements. The PC401 has a lower typical forward voltage (1.1V vs. ~1.3V) and slightly faster propagation delay, but its maximum forward current of 50mA may limit drive capability in high-noise environments. Additionally, the PC401 is obsolete and RoHS non-compliant, posing supply chain and compliance risks. Before substitution, verify layout compatibility, recalculate input resistor values for your 24V signal conditioning, and assess long-term availability—consider qualifying the HCPL-M600 or newer alternatives like the LTV-817S for future-proofing.
What are the key reliability concerns when using the PC401 in high-temperature industrial environments near its 85°C operating limit, especially regarding long-term isolation performance?
Operating the PC401 near its 85°C maximum ambient temperature accelerates aging of the internal LED and phototransistor, potentially degrading CTR (Current Transfer Ratio) over time and increasing the risk of premature failure. Although it has an MSL of 1 (unlimited floor life), prolonged exposure to high heat can compromise the epoxy encapsulant and internal bond wires, indirectly affecting isolation integrity. For mission-critical applications, derate the forward current and avoid sustained operation above 70°C. Consider adding thermal monitoring or selecting a modern, higher-temperature-rated optoisolator like the Toshiba TLP2361 if the design cannot guarantee thermal headroom.
How does the PC401’s lack of specified CMTI (Common Mode Transient Immunity) impact its suitability for motor drive or inverter applications with fast-switching transients?
The PC401 does not specify a minimum CMTI value, which is a critical red flag for high-dV/dt environments like motor drives or IGBT gate drive circuits. Without guaranteed immunity to common-mode transients, the output may falsely trigger or latch during rapid voltage swings between input and output sides, leading to control logic errors. In such applications, opt for optoisolators with explicitly rated CMTI (e.g., >25 kV/µs), such as the Broadcom ACPL-M71T or Silicon Labs Si8711. If you must use the PC401, implement external filtering (RC snubbers on the output) and ensure tight PCB layout with minimized loop areas to reduce coupling—but recognize this is a risk mitigation, not a guarantee.
Is it safe to parallel multiple PC401 channels to increase output current beyond 50mA for driving higher-power loads like relays or small solenoids?
No, paralleling PC401 channels is not recommended due to inherent mismatches in forward voltage and CTR between units, which leads to uneven current sharing and potential thermal runaway. The PC401 is a single-channel device, so paralleling would require multiple units—increasing cost and board space—without guaranteed reliability. Instead, use the PC401 to drive a discrete MOSFET or Darlington transistor (e.g., 2N2222 or ULN2003) to handle higher loads. This approach isolates the optoisolator from overstress, improves thermal management, and maintains signal integrity while leveraging the PC401’s isolation benefits safely.
Given that the PC401 is obsolete and RoHS non-compliant, what modern, compliant alternatives should I consider for new designs requiring similar 3.75kV isolation and open-collector logic output?
For new designs, avoid the PC401 due to its obsolete status and RoHS non-compliance. Recommended drop-in or functionally equivalent alternatives include the Broadcom HCPL-M600 (6-SOIC, 3.75kVrms, RoHS-compliant) or the Vishay VO617A (5-SOIC, 5kVrms, higher isolation margin). Both support 3V–15V supply, open-collector output, and similar propagation delays. If tighter timing or higher CMTI is needed, consider digital isolators like the Silicon Labs Si8610, though they require different interface handling. Always validate pin compatibility, timing margins, and isolation certification (IEC 60747-5-5) in your target application before final selection.
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.
PC401 CAD Models
Sharp Microelectronics PC401 PCB symbols & footprints
productDetail
