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HCPL2531SDV
onsemi
OPTOISO 2.5KV 2CH TRANS 8SMD
100006 Pcs New Original In Stock
Optoisolator Transistor Output 2500Vrms 2 Channel 8-SMD
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (64 Ratings)
HCPL2531SDV
Product Overview
7803138
DiGi Electronics Part Number
HCPL2531SDV-DGManufacturer
onsemi
HCPL2531SDV
Description
OPTOISO 2.5KV 2CH TRANS 8SMDInventory
100006 Pcs New Original In Stock
Optoisolator Transistor Output 2500Vrms 2 Channel 8-SMD
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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365 - Day Quality Guarantee - Every part fully backed.
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HCPL2531SDV Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Obsolete
Number of Channels
2
Voltage - Isolation
2500Vrms
Current Transfer Ratio (Min)
19% @ 16mA
Current Transfer Ratio (Max)
50% @ 16mA
Turn On / Turn Off Time (Typ)
450ns, 300ns
Rise / Fall Time (Typ)
-
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
20V
Current - Output / Channel
8mA
Voltage - Forward (Vf) (Typ)
1.45V
Current - DC Forward (If) (Max)
25 mA
Vce Saturation (Max)
-
Operating Temperature
-55°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
8-SMD, Gull Wing
Supplier Device Package
8-SMD
Base Product Number
HCPL2531
Datasheet & Documents
HTML Datasheet
HCPL2531SDV-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
2832-HCPL2531SDVTR
2832-HCPL2531SDV-488
HCPL2531SDVDKR
HCPL2531SDVCT
HCPL2531SDV-DG
HCPL2531SDVTR
Standard Package
1,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
배송이 빠르고, 제품의 성능도 최고 수준입니다. 아주 만족스러워요.
de desembre 02, 2025
Der Kundenservice bei DiGi Electronics reagiert sofort und hat all meine Fragen freundlich und professionell beantwortet.
de desembre 02, 2025
ユーザーフレンドリーなインターフェースで、初心者でも簡単に操作できました。
de desembre 02, 2025
サービスの質が非常に高く、安心して利用できます。
de desembre 02, 2025
Packaging included all necessary padding, preventing any damage during shipping.
de desembre 02, 2025
The delivery updates felt personal and made the waiting period enjoyable.
de desembre 02, 2025
I am consistently impressed by how quickly Di Digi Electronics gets my orders to me.
de desembre 02, 2025
It was very easy to track my order thanks to the well-designed order tracking system.
de desembre 02, 2025
Shipping was remarkably fast; I was pleasantly surprised.
de desembre 02, 2025
Their logistical efficiency has significantly reduced our lead times.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the HCPL2531SDV in a new industrial control circuit given its obsolete status?
Using the HCPL2531SDV in new designs carries significant supply chain and longevity risks due to its obsolete status. Engineers should avoid new designs relying on this part unless there is a robust obsolescence mitigation strategy, such as securing long-term stock or qualifying immediate alternatives. For industrial control systems requiring long product lifecycles, consider pin-compatible replacements like the HCPL-253L-500E, which offers similar 2500Vrms isolation and transistor output but with active production and better long-term availability. Always confirm lifetime buy options with your distributor before committing to the HCPL2531SDV in production designs.
How does the HCPL2531SDV's current transfer ratio variation impact analog signal isolation accuracy in precision sensing applications?
The HCPL2531SDV has a wide CTR range of 19% to 50% at 16mA, which introduces significant channel-to-channel and unit-to-unit variability in analog signal transfer. In precision sensing applications, this variation can cause gain errors and signal drift, especially over temperature. To mitigate this, avoid using the HCPL2531SDV in linear mode for analog isolation. Instead, use it in digital switching mode with external feedback or calibration circuitry. If analog performance is critical, consider upgrading to a precision linear optocoupler or a digital isolator with tight CTR distribution like the HCPL-253L-500E variant.
Can the HCPL2531SDV safely replace the HCPL-253L-500E in an existing PCB layout without signal integrity issues?
The HCPL2531SDV and HCPL-253L-500E share the same 8-SMD package and pinout, allowing for drop-in replacement on the PCB. However, differences in timing characteristics—such as the HCPL2531SDV’s 450ns turn-on time—may affect signal propagation delay and noise margin in high-speed circuits. Verify timing margins, especially in applications above 1 MHz switching frequency. Additionally, the HCPL-2531SDV lacks recent qualification data, increasing risk in high-reliability environments. For critical systems, validate performance under worst-case temperature and aging conditions before substituting.
What thermal and load conditions increase failure risk when operating the HCPL2531SDV near its 20V output voltage limit?
Operating the HCPL2531SDV close to its 20V maximum output voltage increases stress on the internal phototransistor, particularly when combined with higher output currents (>5mA) or elevated ambient temperatures near 100°C. This can lead to early wear-out or thermal runaway under sustained loads. To reduce risk, derate the output voltage to 15V max and limit continuous output current to 5mA or less. Use a base-emitter resistor (e.g., 100kΩ) to improve turn-off speed and reduce power dissipation. Monitor junction temperature in enclosed or high-temperature environments to ensure long-term reliability.
How does the HCPL2531SDV's 2500Vrms isolation rating perform in high-altitude or high-humidity industrial environments?
The HCPL2531SDV’s 2500Vrms isolation is rated under standard conditions, but in high-altitude (>2000m) or high-humidity environments, creepage and clearance limits become critical. The 8-SMD package has limited creepage distance, increasing the risk of arcing or leakage current in polluted or condensing conditions. To maintain safety compliance per IEC 60664-1, use conformal coating, increase board spacing, or add slot isolation under the package. For harsh environments, consider reinforced digital isolators or optocouplers in wider-body packages. Always verify pollution degree and overvoltage category compatibility in your system-level safety review when using the HCPL2531SDV.
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.
HCPL2531SDV CAD Models
onsemi HCPL2531SDV PCB symbols & footprints
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