TPSMF4L5.0A LITTELFUSE TVS Diode (Uni-directional) (Small Outline Diode Flat Lead) In Stock
Littelfuse TPSMF4L5.0A is a unidirectional 5.0 V TVS diode in a compact SMF flat-lead package, providing transient overvoltage protection with breakdown voltage range of 6.4 V to 7 V. Offers excellent clamping capability and high reliability for protecting sensitive electronics from ESD and surge events up to 400 W peak power. Available from worldwide authorized distributors with competitive pricing and same-day shipping on in-stock inventory.
- Manufacturer
- LITTELFUSE
- Package
- Small Outline Diode Flat Lead
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- TPSMF4L5.0A Datasheet PDF
- Category
- TVS Diode (Uni-directional)
- Price
- From $0.0576(MOQ 100)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Unidirectional 5.0 V TVS diode with breakdown voltage 6.4 V to 7 V for precise overvoltage clamping on 5 V power rails
- 400 W peak pulse power dissipation capability provides robust protection against high-energy transient surge events
- Small Outline Diode Flat Lead (SMF/SOD-123FL) package enables space-efficient SMT placement on densely populated PCBs
- Excellent clamping capability and high reliability silicon construction certified to JESD-609 e3 RoHS-compliant standard
Applications
The TPSMF4L5.0A is designed for transient overvoltage protection on 5 V signal lines, I/O interfaces, and power supply rails in industrial control equipment, telecommunications hardware, and consumer electronics. Its unidirectional configuration and fast response time of less than 1 ps make it effective for protecting microcontroller GPIO pins, USB data lines, and RS-485 bus nodes from ESD events exceeding 8 kV IEC 61000-4-2 contact discharge. The SMF flat-lead package facilitates automated SMT assembly in high-volume production environments requiring compact board-level protection.
Specifications
| Date Of Intro | 2016-05-19 |
| YTEOL | 7.4 |
| Additional Feature | EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY |
| Breakdown Voltage-Max | 7V |
| Breakdown Voltage-Min | 6.4V |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JESD-30 Code | R-PDSO-F2 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 2000W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity | UNIDIRECTIONAL |
| Reference Standard | AEC-Q101; UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | 5V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | FLAT |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Diode Flat Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the breakdown voltage range and standoff voltage of the TPSMF4L5.0A?
The TPSMF4L5.0A has a breakdown voltage range of 6.4 V minimum to 7 V maximum at a test current of 1 mA, with a 5.0 V standoff voltage (reverse working voltage), making it suitable for protecting 5 V logic rails and signal lines without conducting during normal system operation.
How much peak transient power can the TPSMF4L5.0A handle, and under what pulse conditions?
The TPSMF4L5.0A is rated for 400 W peak pulse power dissipation under a standard 10/1000 µs waveform per IEC 61000-4-5; this rating allows it to absorb high-energy transient surges common in industrial environments while clamping the voltage to a safe level below the protected circuit's maximum input voltage.
For protecting a 5 V microcontroller GPIO line from ESD strikes, how does the TPSMF4L5.0A perform versus a general-purpose zener diode?
Unlike a general-purpose 5.1 V zener diode optimized for DC regulation, the TPSMF4L5.0A is specifically designed for transient suppression with sub-picosecond response time and 400 W peak power handling; a standard 0.5 W zener would fail catastrophically under an 8 kV ESD event, whereas the TVS clamps the voltage to approximately 9.2 V (clamping voltage at peak pulse current) while surviving the transient without degradation.
Is the TPSMF4L5.0A suitable for automotive 5 V bus protection, and what package does it use?
The TPSMF4L5.0A uses the SMF (Small Outline Diode Flat Lead) package equivalent to SOD-123FL, measuring approximately 2.8 mm x 1.8 mm, with a silicon junction rated for operation from -55°C to +150°C; while it meets general industrial standards, engineers targeting AEC-Q101 automotive qualification should verify the specific lot qualification status with Littelfuse before designing it into 12 V automotive 5 V-referenced bus protection circuits.
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About LITTELFUSE
LITTELFUSE is a leading electronic component manufacturer. FindMyChip sources LITTELFUSE ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.1432 | $14.32 |
| 500+ | $0.1061 | $53.04 |
| 1000+ | $0.0941 | $94.08 |
| 15000+ | $0.0627 | $940.95 |
| 21000+ | $0.0601 | $1262.31 |
| 30000+ | $0.0576 | $1726.80 |
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