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SM6020
Electronics Part Number
SM6020-WXManufacturer
Vishay Semiconductor - Opto Division
SM6020
Description
Magnetic-Inductive Flow Meter, Nominal Size 9, Industrial Electromagnetic Flow SensingInventory
30 Pcs New Original In Stock
Miniature sensor with transducer output; fast dynamic response; high repeatability; for robotics, medical, and automotive electronics.
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Minimum 1
Minimum 1
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Basic cost: USD 70.00
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Technical Specifications
Category
IrDA Transceiver Modules
Manufacturer
Vishay Semiconductor - Opto Division
Packaging
-
Operating Temperature
-30°C ~ 85°C
Series
-
Base Product Number
TFDU4300
Size
8.5mm x 2.9mm x 2.5mm
Product Status
Obsolete
Voltage - Supply
2.4 V ~ 5.5 V
Standards
IrPHY 1.0
Orientation
Side View
Data Rate
115.2kbs (SIR)
Idle Current, Typ @ 25°C
75 µA
Link Range, Low Power
70cm
Shutdown
Yes
Data Sheet Document (D)
Datasheets
Download TFDU4300-TR1 Product Specification (PDF)
HTML Datasheet
TFDU4300-TR1-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
4 (72 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.49.1050
Additional Information
Other Names
751-1072-6 751-1072-2 TFDU4300TR1 751-1072-1
Standard Package
750
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the TFDU4300-TR1 in a new PCB layout due to its obsolete
Using the TFDU4300-TR1 in new designs carries significant supply chain risk because it is marked as obsolete by Vishay Semiconductor Opto Division. While 1,342 units are available currently, long-term availability is uncertain. Engineers should consider implementing last-time buy planning and evaluating pin-compatible alternatives like the TFDU4101-TR3 early in the design cycle. Additionally, ensure your PCB design includes footprint flexibility or jumper options to support potential substitution, minimizing redesign effort if the TFDU4300-TR1 becomes unavailable during production.
How does the TFDU4300-TR1 compare to the TFDU4101-TR3 in terms of power consumption and compatibilit
The TFDU4300-TR1 offers an idle current of 75 µA at 25°C, making it suitable for low-power IrDA applications, but the TFDU4101-TR3 typically provides lower active and standby currents, which can extend battery life in portable systems. While both are IrPHY 1.0 compliant and support 115.2kbit/s SIR data rates, the TFDU4101-TR3 features improved power management. When replacing TFDU4300-TR1 with TFDU4101-TR3, verify control signal timing and enable pin logic since voltage thresholds and shutdown behavior may differ despite similar footprints.
What PCB placement and orientation considerations are critical when integrating the TFDU4300-TR1 for
The TFDU4300-TR1 is a side-view transceiver, so the PCB must be mounted such that the IR window aligns flush with the edge of the enclosure for unobstructed line-of-sight communication up to 70cm. Avoid placing tall components nearby that could block the emitter or detector. Use non-reflective board materials and mask copper near the window to prevent internal IR reflections. Additionally, ensure the PCB outline allows precise mechanical alignment with the housing, as angular misalignment degrades link reliability even within the specified range.
Can the TFDU4300-TR1 operate reliably in industrial environments with wide temperature fluctuations,
Yes, the TFDU4300-TR1 is rated for operation from -30°C to 85°C, making it suitable for most industrial environments. However, signal range and IR LED output efficiency decrease at temperature extremes. To ensure reliability, derate the effective link range by 20–30% when operating near ±85°C and ensure voltage supply stability across temperature. Also, consider that the MSL 4 rating (72-hour floor life) requires proper handling and baking if exposed to humidity during assembly, particularly in high-reliability or extended-lifecycle products.
What are the implications of using the TFDU4300-TR1 without proper shutdown control in a power-sensi
Failing to use the shutdown feature of the TFDU4300-TR1 in power-sensitive designs can lead to unnecessary 75 µA current drain during idle periods, which accumulates significantly in battery-powered devices over time. Implement active low-power management by connecting the shutdown pin to a GPIO-controlled pull-down with proper timing per the datasheet to disable the transceiver when not in use. This reduces leakage and extends operational life, but ensure startup timing and IR handshaking protocols account for wake-up delays to maintain link integrity.
What are the key design-in risks when using the TFDU4300-TR1 in a new PCB layout due to its obsolete
Using the TFDU4300-TR1 in new designs carries significant supply chain risk because it is marked as obsolete by Vishay Semiconductor Opto Division. While 1,342 units are available currently, long-term availability is uncertain. Engineers should consider implementing last-time buy planning and evaluating pin-compatible alternatives like the TFDU4101-TR3 early in the design cycle. Additionally, ensure your PCB design includes footprint flexibility or jumper options to support potential substitution, minimizing redesign effort if the TFDU4300-TR1 becomes unavailable during production.
How does the TFDU4300-TR1 compare to the TFDU4101-TR3 in terms of power consumption and compatibilit
The TFDU4300-TR1 offers an idle current of 75 µA at 25°C, making it suitable for low-power IrDA applications, but the TFDU4101-TR3 typically provides lower active and standby currents, which can extend battery life in portable systems. While both are IrPHY 1.0 compliant and support 115.2kbit/s SIR data rates, the TFDU4101-TR3 features improved power management. When replacing TFDU4300-TR1 with TFDU4101-TR3, verify control signal timing and enable pin logic since voltage thresholds and shutdown behavior may differ despite similar footprints.
What PCB placement and orientation considerations are critical when integrating the TFDU4300-TR1 for
The TFDU4300-TR1 is a side-view transceiver, so the PCB must be mounted such that the IR window aligns flush with the edge of the enclosure for unobstructed line-of-sight communication up to 70cm. Avoid placing tall components nearby that could block the emitter or detector. Use non-reflective board materials and mask copper near the window to prevent internal IR reflections. Additionally, ensure the PCB outline allows precise mechanical alignment with the housing, as angular misalignment degrades link reliability even within the specified range.
Can the TFDU4300-TR1 operate reliably in industrial environments with wide temperature fluctuations,
Yes, the TFDU4300-TR1 is rated for operation from -30°C to 85°C, making it suitable for most industrial environments. However, signal range and IR LED output efficiency decrease at temperature extremes. To ensure reliability, derate the effective link range by 20–30% when operating near ±85°C and ensure voltage supply stability across temperature. Also, consider that the MSL 4 rating (72-hour floor life) requires proper handling and baking if exposed to humidity during assembly, particularly in high-reliability or extended-lifecycle products.
What are the implications of using the TFDU4300-TR1 without proper shutdown control in a power-sensi
Failing to use the shutdown feature of the TFDU4300-TR1 in power-sensitive designs can lead to unnecessary 75 µA current drain during idle periods, which accumulates significantly in battery-powered devices over time. Implement active low-power management by connecting the shutdown pin to a GPIO-controlled pull-down with proper timing per the datasheet to disable the transceiver when not in use. This reduces leakage and extends operational life, but ensure startup timing and IR handshaking protocols account for wake-up delays to maintain link integrity.
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Sep 15 2026
