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S202TY2
Sharp Microelectronics
SSR RELAY SPST-NO 2A 80-240V
2131 Pcs New Original In Stock
Solid State SPST-NO (1 Form A) 4-SIP
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (316 Ratings)
S202TY2
Product Overview
7929889
DiGi Electronics Part Number
S202TY2-DGManufacturer
Sharp Microelectronics
S202TY2
Description
SSR RELAY SPST-NO 2A 80-240VInventory
2131 Pcs New Original In Stock
Solid State SPST-NO (1 Form A) 4-SIP
Quantity
Minimum 1
Minimum 1
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S202TY2 Technical Specifications
Category
Solid State Relays
Packaging
-
Series
S202
Product Status
Obsolete
Mounting Type
Through Hole
Circuit
SPST-NO (1 Form A)
Output Type
AC, Zero Cross
Voltage - Input
1.2VDC
Voltage - Load
80 V ~ 240 V
Load Current
2 A
Termination Style
PC Pin
Package / Case
4-SIP
Supplier Device Package
4-SIP
Datasheet & Documents
Datasheets
Download S202TY2 Product Specification (PDF)
HTML Datasheet
S202TY2-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8536.41.0030
Additional Information
Other Names
425-1256-5
Standard Package
50
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
L’efficacité de leur logistique facilite une expérience d’achat agréable et sans stress.
December 02, 2025
Das Team hat mir bei Problemen mit der Bestellung sofort geholfen und Lösungen vorgeschlagen.
December 02, 2025
Jede Interaktion mit dem Team war sehr positiv. Klare Preise und umfassende Betreuung.
December 02, 2025
DiGi's fast and efficient logistics service has significantly improved our supply chain management.
December 02, 2025
Support staff was friendly, professional, and attentive to my needs.
December 02, 2025
Quick page load speeds made browsing enjoyable without frustrating delays.
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Frequently Asked Questions (FAQ)
Can the S202TY2 be used as a direct replacement for the obsolete Panasonic AQV252 in an AC load switching application, and what design risks should I consider?
While the S202TY2 and Panasonic AQV252 both switch AC loads, they are not direct replacements due to key differences. The S202TY2 uses zero-crossing detection for turn-on, minimizing inrush current, whereas the AQV252 is a random-turn-on SSR, allowing phase control. If your design relies on precise timing or phase-angle control (e.g. in dimming or motor speed control), replacing AQV252 with S202TY2 will degrade performance. Additionally, the S202TY2 has a higher input threshold voltage (1.2VDC vs. ~1.1V) which may affect compatibility with low-voltage microcontroller outputs. Always verify drive circuit compatibility and assess whether zero-cross switching meets your load control requirements before substitution.
What are the thermal design considerations when using the S202TY2 to switch a 2A resistive load at 240VAC in a sealed enclosure?
The S202TY2 dissipates approximately 1.6W under full 2A resistive load due to a typical on-state voltage drop of 0.8V. In a sealed enclosure, this heat can significantly raise ambient temperature, risking thermal runaway or reduced lifespan. To mitigate this, ensure adequate PCB copper area for heat dissipation—use at least 2–3 cm² of 1 oz copper as a heatsink. Avoid clustering multiple S202TY2 relays in close proximity, and consider forced air cooling or derating the load to 1.5A or less. Monitor case temperature during testing to ensure it remains below 100°C, especially since the device is obsolete and long-term reliability data may be limited.
Is the S202TY2 suitable for switching inductive loads like contactor coils, and what protection circuitry is required?
The S202TY2 can switch inductive loads such as contactor coils, but extra precautions are required due to high off-state voltage transients (spikes). While its output is rated for 240VAC, inductive kickback can exceed this, especially during zero-crossing switching when current is not naturally at zero. To protect the S202TY2, always use an RC snubber network (e.g., 100Ω + 0.1µF, 275VAC rated) across the load terminals. For higher energy loads, consider adding a metal oxide varistor (MOV) to clamp voltage spikes. Avoid using it in high-frequency cycling applications with inductive loads, as repeated stress degrades solid-state components faster than electromechanical relays.
How does the RoHS non-compliant status of the S202TY2 affect new product designs for commercial distribution in Europe?
The S202TY2 is RoHS non-compliant, meaning it contains restricted substances (likely lead in terminations) exceeding EU limits. This makes it unsuitable for new commercial product designs intended for sale in Europe or other RoHS-regulated markets unless exempted under specific categories (e.g., industrial monitoring equipment or legacy spares). Using the S202TY2 risks non-compliance, legal barriers to entry, and supply chain rejection. For new designs, consider upgrading to RoHS-compliant alternatives like the Toshiba TLP354A or Vishay VOM1271, even if it requires minor circuit modifications. The S202TY2 should only be used in repair or legacy replacement scenarios where compliance is grandfathered.
What are the reliability implications of using the obsolete S202TY2 in a new production design for a 10-year lifecycle product?
Using the obsolete S202TY2 in a new 10-year lifecycle product poses significant supply and reliability risks. Since the device is no longer in production, current 'new original' stock (2100 pcs) will eventually deplete, leading to potential production halts. Even if enough units are stocked, aging components from long-term storage may suffer from latent defects or moisture ingress despite MSL-1 rating. Additionally, lack of ongoing manufacturer support means no failure analysis or process improvements. For long-term designs, redesign with active, recommended alternatives such as the Panasonic AQV258G or CPC1976Y, which offer similar AC switching performance with guaranteed availability and modern reliability testing.
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.
S202TY2 CAD Models
Sharp Microelectronics S202TY2 PCB symbols & footprints
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