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PC4SF21YVZCF
Sharp Microelectronics
OPTOISOLATOR 5KV TRIAC 6DIP
1955 Pcs New Original In Stock
Optoisolator Triac Output 5000Vrms 1 Channel 6-DIP
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Minimum 1
Minimum 1
5.0 / 5.0
- (170 Ratings)
PC4SF21YVZCF
Product Overview
7924434
DiGi Electronics Part Number
PC4SF21YVZCF-DGManufacturer
Sharp Microelectronics
PC4SF21YVZCF
Description
OPTOISOLATOR 5KV TRIAC 6DIPInventory
1955 Pcs New Original In Stock
Optoisolator Triac Output 5000Vrms 1 Channel 6-DIP
Quantity
Minimum 1
Minimum 1
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PC4SF21YVZCF Technical Specifications
Category
Optoisolators, Triac, SCR Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Output Type
Triac
Zero Crossing Circuit
Yes
Number of Channels
1
Voltage - Isolation
5000Vrms
Voltage - Off State
800 V
Static dV/dt (Min)
500V/µs
Current - LED Trigger (Ift) (Max)
5mA
Current - On State (It (RMS)) (Max)
100 mA
Current - Hold (Ih)
3.5mA
Turn On Time
50µs (Max)
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
50 mA
Operating Temperature
-30°C ~ 100°C
Mounting Type
Through Hole
Package / Case
6-DIP (0.300", 7.62mm), 5 Leads
Supplier Device Package
6-DIP
Approval Agency
BSI, CSA, DEMKO, FIMKO, SEMKO, UR, VDE
Base Product Number
PC4SF21
Datasheet & Documents
HTML Datasheet
PC4SF21YVZCF-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Standard Package
500
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
I found their post-purchase assistance to be fast, friendly, and highly effective.
December 02, 2025
The website's layout makes for a pleasant shopping journey.
December 02, 2025
Customer service at DiGi Electronics is always friendly, making shopping easy and enjoyable.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the PC4SF21YVZCF optoisolator in a new AC load control circuit given its obsolete status?
Using the PC4SF21YVZCF in new designs carries significant supply chain and long-term reliability risks due to its obsolete status. While 1900 units are currently available, future availability is not guaranteed, which could disrupt production and increase lifecycle costs. Engineers should consider implementing a last-time buy strategy or qualifying a second-source alternative early—such as the EL3083M-V—ensuring compatibility in isolation voltage (5000Vrms), triac trigger current (≤5mA), and zero-crossing functionality. Additionally, design with socketing or footprint flexibility to ease replacement if obsolescence forces a redesign.
How does the PC4SF21YVZCF's 500V/µs static dV/dt rating impact its reliability in noisy industrial environments?
The PC4SF21YVZCF's minimum static dV/dt rating of 500V/µs indicates its ability to suppress false triggering caused by voltage transients across the triac output. In electrically noisy industrial settings—such as motor control or HVAC systems—voltage spikes exceeding this rate may inadvertently turn on the output. To mitigate risk, always pair the PC4SF21YVZCF with an external RC snubber network across the triac and verify performance under worst-case load conditions. Consider boosting immunity with a higher dV/dt-rated replacement like the EL3083M-V if field failures are observed.
Can the PC4SF21YVZCF reliably switch inductive loads up to its 100mA RMS current rating without premature failure?
While the PC4SF21YVZCF is rated for 100mA RMS on-state current, switching inductive loads (e.g., solenoids, relays) near this limit increases stress due to voltage kickback and non-zero crossing currents. Even with zero-crossing detection, inductive kick can exceed the 800V off-state voltage under fault conditions. For reliable operation, de-rate the load to 70% of rated current (≤70mA RMS) and always include a back-to-back MOV or transient voltage suppression (TVS) diode. Monitor Ih (3.5mA hold current) to ensure the load doesn't fall below minimum holding current, which can cause erratic triac turn-off.
What are the critical trade-offs between PC4SF21YVZCF and EL3083M-V when selecting a drop-in replacement for legacy lighting control systems?
Replacing the PC4SF21YVZCF with the EL3083M-V requires evaluating multiple factors: both offer 5000Vrms isolation and zero-crossing, but the EL3083M-V has a lower max LED trigger current (3.5mA vs 5mA), potentially improving noise immunity. However, the EL3083M-V uses a different pinout (6-DIP vs 5-lead DIP), requiring PCB layout changes. Additionally, verify that EL3083M-V’s dV/dt rating (typically 1000V/µs) aligns with your surge environment. Always test under actual load conditions to confirm turn-on timing and thermal performance, especially in enclosed fixtures.
How does the PC4SF21YVZCF's through-hole 6-DIP package affect thermal management in high-density or elevated temperature environments?
The through-hole 6-DIP package of the PC4SF21YVZCF has limited thermal dissipation compared to surface-mount or heat-sinked packages. In high-density PCBs or ambient temperatures near 100°C, internal power dissipation—especially with sustained 100mA RMS loads—can accelerate aging. Ensure at least 3mm clearance around the device for airflow, avoid placing near heat sources, and calculate junction temperature using RθJA assumptions (~150°C/W typical for DIP). For improved longevity, consider lowering average current or upgrading to a higher-rated solid-state relay in a TO-92 or module package if redesign is feasible.
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.
PC4SF21YVZCF CAD Models
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