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MOCD207
Isocom Components 2004 LTD
8PIN TRANSISTOR OUTPUT, SMD OPTO
4640 Pcs New Original In Stock
Optoisolator Transistor Output 3750Vrms 2 Channel 8-SOP
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5.0 / 5.0
- (45 Ratings)
MOCD207
Product Overview
1914034
DiGi Electronics Part Number
MOCD207-DGManufacturer
Isocom Components 2004 LTD
MOCD207
Description
8PIN TRANSISTOR OUTPUT, SMD OPTOInventory
4640 Pcs New Original In Stock
Optoisolator Transistor Output 3750Vrms 2 Channel 8-SOP
Quantity
Minimum 1
Minimum 1
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MOCD207 Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
Cut Tape (CT) & Digi-Reel®
Series
MOCD207
Product Status
Active
Number of Channels
2
Voltage - Isolation
3750Vrms
Current Transfer Ratio (Min)
100% @ 10mA
Current Transfer Ratio (Max)
200% @ 10mA
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
1.6µs, 2.2µs
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
80V
Current - Output / Channel
50mA
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
60 mA
Vce Saturation (Max)
400mV
Operating Temperature
-55°C ~ 110°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOP
Datasheet & Documents
Datasheets
Download MOCD207 Product Specification (PDF)
HTML Datasheet
MOCD207-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
56-MOCD207TR-DG
58-MOCD207TR
58-MOCD207DKR
58-MOCD207CT
56-MOCD207TR
Standard Package
2,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
收貨速度令人滿意，商品包裝細心，整體購物經驗很好。
Dec 02, 2025
Leurs délais de livraison courts montrent leur efficacité logistique.
Dec 02, 2025
DiGi Electronics offers reliable products that are also budget-friendly.
Dec 02, 2025
DiGi Electronics provides quality products at wallet-friendly prices, with packaging that cares for the environment.
Dec 02, 2025
I love their commitment to reducing waste with eco-friendly packaging, and my order arrived promptly.
Dec 02, 2025
The team at DiGi Electronics provided detailed assistance, making my first purchase stress-free.
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Frequently Asked Questions (FAQ)
Can the MOCD207 be used for replacing legacy through-hole optoisolators like the MCT2E in surface-mount designs without compromising signal integrity?
Yes, the MOCD207 is a suitable surface-mount drop-in replacement for through-hole optoisolators such as the MCT2E, provided proper PCB layout considerations are followed. Since the MOCD207 uses an 8-SOP package, reworking existing MCT2E footprints requires attention to creepage and clearance distances due to its smaller form factor. Ensure that the 3750Vrms isolation rating is preserved by maintaining adequate spacing on the PCB. Additionally, the MOCD207 offers superior CTR (100–200% at 10mA) compared to the MCT2E, improving signal transfer efficiency in digital logic interfacing or microcontroller-based isolation stages. Validate input current (If) sourcing from your driver circuit, as the MOCD207’s 1.2V Vf may require slight drive adjustment versus older devices with higher Vf.
How does the MOCD207 perform in high-noise industrial environments when isolating digital signals from PLCs or motor drives?
The MOCD207 is well-suited for high-noise industrial applications due to its 3750Vrms isolation rating and 8-SOP package with reinforced creepage properties. Its transistor output provides inherent noise immunity when used with proper bypassing at the output side. To ensure reliable performance, keep input traces short and drive the LED with a stable 5–10mA current, staying well within its 60mA absolute maximum. In fast-switching environments, be mindful of its 1.6µs rise and 2.2µs fall times, which may limit use to data rates below ~250 kHz. For enhanced signal fidelity, add a Schmitt-trigger buffer on the output to mitigate rise-time-induced jitter when interfacing with microcontrollers or logic gates.
Is the MOCD207 a viable alternative to the PC817 in dual-channel applications requiring compact SMD packaging and higher CTR?
Yes, the MOCD207 is a strong alternative to the PC817 in dual-channel designs where space and performance are critical. Unlike the single-channel PC817, the MOCD207 integrates two independently isolated transistor-output channels in a single 8-SOP surface-mount package, reducing board area and assembly cost. Its CTR range (100–200% at 10mA) exceeds the typical PC817’s 80–160%, offering more drive margin and better tolerance to LED aging. However, the PC817 has slightly faster switching characteristics. For applications with timing sensitivity under 2µs, validate timing margins with the MOCD207’s 2.2µs max fall time. Also ensure that your PCB design maintains isolation barriers between channels to preserve common-mode transient immunity.
What are the reliability risks when operating the MOCD207 near its maximum 80V output voltage in power supply feedback circuits?
Operating the MOCD207 near its 80V output voltage limit in feedback loops, such as in flyback converters, introduces reliability risks due to Vce stress and temperature derating. While 80V is the absolute maximum rating, continuous operation above 60V reduces long-term reliability and increases the risk of avalanche breakdown under transient conditions. To mitigate this, operate below 70V with a safety margin, and include a Zener clamp (e.g., 5.1V) on the base-emitter junction if no external base connection is used. Also, ensure junction temperature stays within the -55°C to 110°C range—high ambient temperatures accelerate LED degradation, reducing CTR over time. Monitor CTR drift in feedback designs by designing with sufficient gain margin.
Can the MOCD207 safely interface with 5V and 3.3V microcontrollers in bi-directional level-shifting applications despite its transistor output limitations?
The MOCD207 can interface with both 5V and 3.3V microcontrollers but requires careful design due to its unidirectional, single-ended transistor output. It cannot inherently support bi-directional level shifting like digital isolators (e.g., ISO7721). Instead, use the MOCD207 for unidirectional isolation—such as isolating a 3.3V MCU output to drive a 5V logic or relay stage. To ensure clean switching, use a pull-up resistor on the output side (e.g., 10kΩ to 5V) and size the input current to achieve sufficient CTR margin—typically 5–10mA through the internal LED. Avoid relying on base access for speed improvement if the variant lacks external base pins. For bidirectional signal isolation, consider pairing two MOCD207 channels in opposite directions or use a dedicated digital isolator.
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.
MOCD207 CAD Models
Isocom Components 2004 LTD MOCD207 PCB symbols & footprints
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