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PC853XI
Sharp Microelectronics
OPTOISOLATOR 5KV DARL 4SMD
12730 Pcs New Original In Stock
Optoisolator Darlington Output 5000Vrms 1 Channel 4-SMD
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Minimum 1
5.0 / 5.0
- (463 Ratings)
PC853XI
Product Overview
7929671
DiGi Electronics Part Number
PC853XI-DGManufacturer
Sharp Microelectronics
PC853XI
Description
OPTOISOLATOR 5KV DARL 4SMDInventory
12730 Pcs New Original In Stock
Optoisolator Darlington Output 5000Vrms 1 Channel 4-SMD
Quantity
Minimum 1
Minimum 1
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PC853XI Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Number of Channels
1
Voltage - Isolation
5000Vrms
Current Transfer Ratio (Min)
1000% @ 1mA
Current Transfer Ratio (Max)
-
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
100µs, 20µs
Input Type
DC
Output Type
Darlington
Voltage - Output (Max)
350V
Current - Output / Channel
150mA
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
50 mA
Vce Saturation (Max)
1.2V
Operating Temperature
-30°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
4-SMD, Gull Wing
Supplier Device Package
4-SMD
Datasheet & Documents
Datasheets
Download PC853XI Product Specification (PDF)
HTML Datasheet
PC853XI-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
425-1507-5
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
在DiGi Electronics的購物體驗一直很愉快，不僅商品品質值得信賴，售後服務更超級周到。
December 02, 2025
Die zügige Verarbeitung unserer Bestellungen überzeugt uns immer wieder aufs Neue.
December 02, 2025
従業員の対応が親切で、細かい点まで気を配ってくれました。
December 02, 2025
Quick dispatch and strong packaging—great service from start to finish.
December 02, 2025
The materials used are top-notch, ensuring long-lasting performance.
December 02, 2025
Their customer service responsiveness minimizes downtime and helps us quickly get back on track.
December 02, 2025
The entire shopping experience was seamless thanks to their well-organized logistics and attentive customer support.
December 02, 2025
DiGi Electronics supported my urgent needs with quick shipping and excellent service.
December 02, 2025
Every interaction with DiGi Electronics has been positive, showcasing professionalism.
December 02, 2025
Excellent response times from their customer service team after my purchase.
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Frequently Asked Questions (FAQ)
Can the PC853XI optoisolator be safely used in a 240VAC industrial control circuit given its 5000Vrms isolation rating and Darlington output configuration?
While the PC853XI provides 5000Vrms isolation—sufficient for basic separation in 240VAC systems—its Darlington output has a maximum collector-emitter voltage (Vce) of 350V, which is dangerously close to peak 240VAC line voltage (~340V). This leaves minimal safety margin under transient conditions like voltage surges or inductive kickback. For reliable long-term operation, consider adding external clamping (e.g., TVS diodes) or selecting a higher-voltage optoisolator such as the PS2535L-1-A (400V Vce max). The PC853XI may work in non-critical applications but poses a reliability risk in harsh industrial environments without additional protection circuitry.
What are the key risks when replacing the obsolete PC853XI with the suggested substitute PS2535L-1-F3-A in an existing surface-mount design?
The PS2535L-1-F3-A is electrically compatible in terms of isolation voltage (5000Vrms) and Darlington output, but critical mechanical differences exist: the PC853XI uses a 4-SMD gull-wing package, while the PS2535L-1-F3-A typically employs a different lead form and pad layout. Direct drop-in replacement may cause solder joint failures or misalignment. Additionally, the PS2535L-1-F3-A has a lower forward current (If max = 30mA vs. 50mA on PC853XI), so input drive circuits must be verified to avoid overdriving. Always validate footprint compatibility and re-characterize CTR (Current Transfer Ratio) under actual load conditions to ensure signal integrity.
How does the slow rise/fall time (100µs/20µs) of the PC853XI affect its usability in high-speed digital isolation applications like PWM motor control?
The PC853XI’s relatively slow switching characteristics (100µs rise, 20µs fall) limit its effective bandwidth to roughly 3–5 kHz, making it unsuitable for high-frequency PWM signals above 10 kHz without significant waveform distortion and duty cycle error. In motor control or switching power supply feedback loops, this delay introduces phase lag and reduces system stability. For such applications, consider faster alternatives like the Toshiba TLP2312 (propagation delay < 0.5µs) or use the PC853XI only in low-speed enable/disable signaling paths where timing precision is non-critical.
Is the PC853XI suitable for automotive under-hood applications despite its -30°C to 100°C operating temperature range?
The PC853XI’s upper temperature limit of 100°C falls short of typical automotive under-hood requirements (often requiring 125°C), especially near engine compartments or power electronics. Prolonged exposure to temperatures above 100°C accelerates degradation of the internal bond wires and epoxy encapsulant, increasing the risk of early failure. Furthermore, as a non-RoHS device, it may not meet modern automotive environmental compliance standards. For automotive designs, select AEC-Q101 qualified optoisolators like the Broadcom ACPL-217 or Vishuo VO618A, which offer extended temperature ranges and enhanced reliability validation.
Why is the PC853XI marked as obsolete, and what long-term supply chain risks should I consider if still designing it into new products?
The PC853XI is marked obsolete by Sharp Microelectronics, indicating no future production support, which creates significant long-term risks including sudden last-time buy scenarios, counterfeit parts in the open market, and lack of technical support. With only 12,650 units currently in stock, inventory depletion could halt production lines. Even if substitutes like PS2535L-1-A exist, they require requalification and potential PCB rework. For new designs, avoid the PC853XI entirely; instead, adopt active, RoHS-compliant alternatives with full manufacturer lifecycle support to ensure scalability, compliance, and field reliability over the product’s lifetime.
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.
PC853XI CAD Models
Sharp Microelectronics PC853XI PCB symbols & footprints
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