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ILD1206T
Vishay Semiconductor Opto Division
OPTOISO 4KV 2CH TRANS 8SOIC
12733 Pcs New Original In Stock
Optoisolator Transistor Output 4000Vrms 2 Channel 8-SOIC
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ILD1206T
Product Overview
1169066
DiGi Electronics Part Number
ILD1206T-DGManufacturer
Vishay Semiconductor Opto Division
ILD1206T
Description
OPTOISO 4KV 2CH TRANS 8SOICInventory
12733 Pcs New Original In Stock
Optoisolator Transistor Output 4000Vrms 2 Channel 8-SOIC
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Minimum 1
Minimum 1
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ILD1206T Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Number of Channels
2
Voltage - Isolation
4000Vrms
Current Transfer Ratio (Min)
63% @ 10mA
Current Transfer Ratio (Max)
125% @ 10mA
Turn On / Turn Off Time (Typ)
5µs, 4µs
Rise / Fall Time (Typ)
-
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
70V
Current - Output / Channel
-
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
30 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-SOIC
Base Product Number
ILD1206
Datasheet & Documents
HTML Datasheet
ILD1206T-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
751-ILD1206TCT
751-ILD1206TTR
ILD1206T-DG
751-ILD1206TDKR
Standard Package
2,000
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Le site propose une navigation sans bugs ni plantages, ce qui est rassurant.
Dec 02, 2025
Their commitment to quality at competitive prices keeps me coming back.
Dec 02, 2025
I always appreciate how transparent their pricing is, and their products consistently meet high standards.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the ILD1206T in a high-noise industrial environment, and how can I ensure signal integrity across both channels?
When integrating the ILD1206T in electrically noisy environments, the primary risk is false triggering due to transient coupling across the internal LED-phototransistor path, despite its 4000Vrms isolation. To maintain signal integrity, use low-impedance pull-up resistors on the output side (e.g., 1–4.7kΩ) to reduce susceptibility to EMI, and place bypass capacitors (100nF) near the VCC pin. Additionally, ensure PCB layout maintains creepage and clearance distances beyond minimum standards. Since the ILD1206T lacks built-in Schmitt-trigger inputs, consider adding external hysteresis or filtering on the input side if driving from long traces or noisy microcontrollers to prevent erratic switching under noise transients.
Can the ILD1206T safely replace the ACPL-227-500E in an existing motor control board, and what are the critical differences affecting performance and reliability?
While the ILD1206T can serve as a functional replacement for the ACPL-227-500E in many DC control applications, key differences must be evaluated. The ACPL-227-500E features integrated Schmitt-trigger outputs for noise immunity, while the ILD1206T uses basic phototransistors without hysteresis, making it more susceptible to oscillation in high-noise motor drives. Additionally, the ILD1206T has a wider CTR range (63–125%) at 10mA, requiring tighter input current control to ensure consistent switching. Verify that your driving circuit can supply stable 5–10mA LED current and that timing budgets allow for ILD1206T's 5µs turn-on time. For long-term reliability, confirm that ambient temperatures stay below 110°C since ILD1206T's CTR degrades faster at high temps without internal compensation.
How does the ILD1206T’s variable current transfer ratio impact sensor interface reliability over temperature, and what design margins should I apply?
The ILD1206T’s CTR varies from 63% to 125% at 10mA and decreases significantly near the extremes of its -55°C to 110°C operating range, creating uncertainty in output current for analog or marginally biased digital interfaces. To ensure reliability, design with a worst-case CTR of 50% at high temperature and low lifetime. Use feedback or trimming to adjust input current dynamically, or operate the LED at 8–12mA (within the 30mA max) with a precision current source to stabilize response. Avoid linear-region operation unless paired with negative feedback; instead, bias the output into full saturation (verify < 400mV Vce) using appropriate base drive and load resistance.
What are the long-term reliability concerns when operating the ILD1206T at maximum output voltage (70V) and elevated temperatures, and how can I mitigate early failure risks?
Operating the ILD1206T near its 70V output voltage limit at high temperatures increases stress on the phototransistor, accelerating parameter drift and potential junction breakdown over time. To mitigate this, derate the output voltage to ≤56V (80% of max) and limit output current to ≤10mA to reduce power dissipation in the output transistor. Ensure adequate PCB copper area for thermal dissipation, especially in sealed enclosures. Monitor Vce under load during validation testing to confirm it remains stable; a rising saturation voltage over time indicates LED degradation. Combining conservative electrical derating with temperature monitoring extends service life in demanding applications like industrial PLCs or HVAC controls.
Is the ILD1206T compatible with direct microcontroller GPIO drive, and what are the trade-offs compared to using a buffer when driving multiple channels?
Yes, the ILD1206T can be directly driven by most 3.3V or 5V microcontroller GPIO pins, given its 1.2V typical forward voltage and 30mA max current rating. Using a series resistor (e.g., 220–330Ω) limits current to a safe 8–10mA range, minimizing GPIO loading. However, driving both channels simultaneously may exceed MCU current limits per port or total package dissipation. In such cases, use a low-side MOSFET or buffer (e.g., ULN2003A) to isolate the MCU. Avoid PWM-based input control unless duty cycle and average current are constrained to prevent thermal stress. For robustness, include a reverse-biased diode across inductive loads and consider current sensing for fault detection in production designs.
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ILD1206T CAD Models
Vishay Semiconductor Opto Division ILD1206T PCB symbols & footprints
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