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PC923X
Sharp Microelectronics
OPTOISO 5KV 1CH GATE DVR 8DIP
2192 Pcs New Original In Stock
400mA Gate Driver Optical Coupling 5000Vrms 1 Channel 8-DIP
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Minimum 1
Minimum 1
5.0 / 5.0
- (51 Ratings)
PC923X
Product Overview
7917313
DiGi Electronics Part Number
PC923X-DGManufacturer
Sharp Microelectronics
PC923X
Description
OPTOISO 5KV 1CH GATE DVR 8DIPInventory
2192 Pcs New Original In Stock
400mA Gate Driver Optical Coupling 5000Vrms 1 Channel 8-DIP
Quantity
Minimum 1
Minimum 1
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PC923X Technical Specifications
Category
Isolators - Gate Drivers
Packaging
-
Series
OPIC™
Product Status
Obsolete
Technology
Optical Coupling
Number of Channels
1
Voltage - Isolation
5000Vrms
Common Mode Transient Immunity (Min)
1.5kV/µs
Propagation Delay tpLH / tpHL (Max)
500ns, 500ns
Pulse Width Distortion (Max)
-
Rise / Fall Time (Typ)
200ns, 200ns
Current - Output High, Low
-
Current - Peak Output
400mA
Voltage - Forward (Vf) (Typ)
1.6V
Current - DC Forward (If) (Max)
20 mA
Voltage - Output Supply
15V ~ 30V
Operating Temperature
-20°C ~ 80°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-DIP
Approval Agency
-
Datasheet & Documents
Datasheets
Download PC923X Product Specification (PDF)
HTML Datasheet
PC923X-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
425-1538-5
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
디지 일렉트로닉스를 추천하고 싶을 정도로 만족합니다.
December 02, 2025
제품의 성능도 뛰어나고, 고객 만족도도 높아 계속 찾게 됩니다.
December 02, 2025
The support I received from DiGi Electronics after my purchase was prompt and professional.
December 02, 2025
After-sales support is top-notch—they follow up to make sure I am satisfied with my purchase.
December 02, 2025
Their inventory levels are impressive and crucial for our operational needs.
December 02, 2025
DiGi Electronics’ attention to quality control is evident in their products.
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Frequently Asked Questions (FAQ)
Can the PC923X optocoupler safely replace the HCNW2601-000E in a high-noise industrial gate drive circuit, and what design risks should I consider during the substitution?
While the PC923X and HCNW2601-000E both offer 5 kVrms isolation and similar propagation delays (~500 ns), direct replacement requires careful evaluation. The PC923X has a lower common-mode transient immunity (CMTI) of 1.5 kV/µs compared to the HCNW2601’s typical 15 kV/µs, making it more susceptible to false triggering in high-dV/dt environments like motor drives or switch-mode power supplies. Additionally, the PC923X is obsolete and RoHS non-compliant, which may affect long-term sourcing and regulatory compliance. If substituting, reinforce layout with tight grounding, minimize loop areas, and consider adding a small RC snubber at the output to mitigate noise coupling. Always validate performance under worst-case switching conditions.
What are the key thermal and layout constraints when designing with the PC923X in a densely packed 8-DIP through-hole assembly, especially near heat-generating components?
The PC923X has an operating temperature range of -20°C to 80°C and is packaged in an 8-DIP with no thermal pad, relying solely on PCB copper and ambient convection for heat dissipation. In dense layouts, proximity to power devices (e.g., MOSFETs, rectifiers) can cause localized heating that pushes the junction temperature beyond safe limits, degrading LED efficiency and CTR over time. Maintain at least 5 mm clearance from high-heat components and ensure adequate airflow. Use thermal vias under the device if mounted on a multilayer board, and avoid placing it in enclosed or poorly ventilated enclosures. Monitor case temperature during prototyping—exceeding 70°C ambient significantly reduces reliability.
How does the PC923X’s 400mA peak output current compare to modern gate driver optocouplers, and can it reliably drive a 600V IGBT without additional buffering?
The PC923X’s 400mA peak output is sufficient for small to medium IGBTs with low gate charge (Qg < 100 nC), such as the IXGN40N60A, but may struggle with larger modules or high-frequency switching. Unlike newer integrated gate drivers (e.g., Avago ACPL-332J with 2.5A output), the PC923X lacks active Miller clamping and fast turn-off boost, increasing risk of shoot-through in half-bridge configurations. For reliable operation above 20 kHz or with IGBTs having Qg > 50 nC, add a discrete push-pull buffer stage (e.g., using complementary BJTs like MJD44H11/MJD45H11) between the PC923X and the IGBT gate. Always verify rise/fall times and gate voltage overshoot in your specific layout.
Given that the PC923X is obsolete and RoHS non-compliant, what are the long-term supply chain and reliability risks, and how should I plan for end-of-life mitigation?
As an obsolete, non-RoHS component, the PC923X poses significant supply chain risks: limited stock, potential counterfeit parts, and incompatibility with modern assembly processes (e.g., lead-free reflow). Although MSL 1 allows unlimited floor life, long-term storage may degrade the internal LED due to material aging, reducing CTR and increasing propagation delay. To mitigate, qualify a drop-in replacement early—such as the Broadcom ACPL-217-500E (also 5kV, 8-DIP, RoHS-compliant)—and conduct side-by-side testing under load. Maintain a last-time buy strategy if redesign isn’t feasible, and document derating guidelines (e.g., reduce If by 20% after 5 years) to extend field reliability.
What input drive conditions are required to ensure consistent switching performance from the PC923X, and how does forward current variation impact propagation delay in real-world applications?
The PC923X requires a forward current (If) between 5–20 mA for reliable operation, with 1.6V typical Vf. However, propagation delay (tpLH/tpHL) is highly sensitive to If: at 5 mA, delays can exceed 1 µs, while at 15–20 mA, they stabilize near the 500 ns max spec. In temperature-variable environments (-20°C to 80°C), LED efficiency drops at cold temps, requiring higher If to maintain speed. Design your input driver (e.g., microcontroller GPIO with series resistor) to deliver at least 15 mA under worst-case voltage and temperature conditions. Use a constant-current source or buffered output if driving multiple channels or operating in extended temperature ranges. Avoid marginal drive currents—this is a common cause of timing skew in synchronized multi-channel systems.
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.
PC923X CAD Models
Sharp Microelectronics PC923X PCB symbols & footprints
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