ISO7421FED Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
ISO7421FED is a 2-channel digital isolator from Texas Instruments with up to 1 Mbps data rate and 2.5 kVrms isolation. Features low power consumption, supports both 3.3V and 5V operation. From $1.58, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- ISO7421FED Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5773(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2-channel bidirectional digital isolation with 2.5 kVrms reinforced isolation rating
- Supports 3.3V and 5V nominal supply voltages for flexible system design
- Up to 1 Mbps data rate with low propagation delay for high-speed signal isolation
- Low power consumption in SOIC-8 small outline package for space-constrained designs
- Pb-free, RoHS-compliant packaging meeting JESD-609 e4 requirements
Applications
The ISO7421FED is widely used in industrial automation and process control systems where galvanic isolation between high-voltage and low-voltage circuits is critical for safety. It is ideal for isolating SPI, UART, and general-purpose digital signals in motor drives, inverters, and programmable logic controllers. Medical equipment, smart energy meters, and fieldbus communication interfaces also benefit from its robust isolation and dual-channel architecture.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ALSO OPERATES AT 5V NOM |
| Interface IC Type | DIGITAL ISOLATOR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 2 |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | IEC 60950-1; IEC 60601-1 |
| Supply Voltage-Max | 5V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ISO7421FED:
Frequently Asked Questions
What is the isolation voltage rating of the ISO7421FED?
The ISO7421FED provides 2.5 kVrms reinforced isolation, making it suitable for industrial applications that require robust galvanic separation between high-voltage power domains and low-voltage logic circuits.
What supply voltages does the ISO7421FED support?
The ISO7421FED operates at both 3.3V and 5V nominal supply voltages on each side of the isolation barrier, offering flexibility for mixed-voltage system designs commonly found in industrial and automotive applications.
What are the typical applications for the ISO7421FED?
Typical applications include industrial motor drives, inverters, PLCs, fieldbus interfaces, smart energy meters, and medical equipment where digital signal isolation is required between high-voltage and low-voltage domains.
What package does the ISO7421FED come in?
The ISO7421FED is available in an SOIC-8 (Small Outline IC, 8-pin) package, a compact and widely used SMD package suitable for automated PCB assembly in space-constrained designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.5700 | $3.57 |
| 5+ | $3.0600 | $15.30 |
| 10+ | $2.8400 | $28.40 |
| 118+ | $1.7055 | $201.25 |
| 153+ | $1.6414 | $251.13 |
| 191+ | $1.5773 | $301.26 |
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