PS2501-1-A CEL Integrated Circuit (Dual-In-Line Packages) In Stock
PS2501-1-A is a single-channel phototransistor optocoupler from CEL in a 4-pin DIP package, offering 5000 V isolation voltage, 300% current transfer ratio, and 80 V collector-emitter breakdown. It is UL recognized and RoHS-compliant lead-free. Available in stock with worldwide shipping.
- Manufacturer
- CEL
- Package
- Dual-In-Line Packages
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- PS2501-1-A Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1213(MOQ 1)
- Temp Range
- -55.0°C to 100.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PS2501-1-A?
- 5000 V isolation voltage provides robust galvanic separation between input and output circuits, meeting safety standards for industrial and medical equipment
- 300% current transfer ratio (CTR) enables high output current with minimal LED drive current of up to 80 mA forward current
- 80 V collector-emitter breakdown voltage supports switching of higher-voltage logic and load circuits in industrial control applications
What is PS2501-1-A used for?
PS2501-1-A is widely used for galvanic isolation in industrial motor drives, PLC digital input modules, and power supply feedback loops where 5000 V isolation prevents ground loops and protects low-voltage control circuits. Its 300% CTR and 80 V output rating make it suitable for microcontroller-driven relay control, TRIAC gate triggering, and AC line sensing circuits. The 4-pin DIP package enables easy through-hole assembly in both prototype and production boards.
What are the specifications of PS2501-1-A?
| YTEOL | 0 |
| Additional Feature | UL RECOGNIZED |
| Coll-Emtr Bkdn Voltage-Min | 80V |
| Configuration | SINGLE |
| Current Transfer Ratio-Nom | 300% |
| Dark Current-Max | 100nA |
| Forward Current-Max | 0.08A |
| Isolation Voltage-Max | 5000V |
| JESD-609 Code | e6 |
| Number of Elements | 1 |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER |
| Terminal Finish | Tin/Bismuth (Sn/Bi) |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8541.40.80.00 |
What are equivalent replacements for PS2501-1-A?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What isolation voltage and current transfer ratio does the PS2501-1-A provide?
PS2501-1-A provides 5000 V isolation voltage between the LED input and phototransistor output, and a nominal current transfer ratio of 300%. This means for every 1 mA of LED forward current (up to 80 mA maximum), the collector current is approximately 3 mA. The high isolation voltage is sufficient for industrial 480 V AC system isolation and meets IEC and UL safety requirements for reinforced insulation.
For what switching voltage range is the PS2501-1-A output stage suitable?
The PS2501-1-A phototransistor output stage has a minimum 80 V collector-emitter breakdown voltage, allowing it to switch loads or interface to logic circuits operating up to 80 V DC. The dark (leakage) current is 100 nA maximum, ensuring the output is reliably OFF when no LED current flows. This makes the device compatible with 5 V, 12 V, 24 V, and 48 V logic and control rails common in industrial automation.
In which safety-critical applications is PS2501-1-A the preferred optocoupler choice?
PS2501-1-A is preferred in applications where UL recognition and 5000 V galvanic isolation are regulatory requirements, such as medical device input protection, industrial PLC isolated digital I/O cards, and power meter front-end signal conditioning. Its lead-free (RoHS-compliant) 4-pin DIP package also qualifies for REACH-compliant production. The 300% CTR ensures the device drives downstream logic reliably with LED currents as low as 1 mA to 5 mA, reducing power consumption in battery-backed systems.
How does PS2501-1-A's 4-pin DIP package simplify prototype and small-production assembly compared to SMT optocouplers?
The 4-pin DIP package of PS2501-1-A fits standard 2.54 mm through-hole PCB pads, allowing hand soldering and breadboard prototyping without any adapter or rework tools. Lead spacing of 2.54 mm across a 6.35 mm row separation provides mechanical stability and easy visual inspection of solder joints. For low-volume production runs of under 500 boards per year, DIP assembly typically costs 30% to 50% less per unit than SMT reflow due to simpler fixturing and no paste printing.
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About CEL
CEL is a leading electronic component manufacturer. FindMyChip sources CEL ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from CEL
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5625 | $0.56 |
| 14+ | $0.1213 | $1.70 |
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