Microchip Technology UPS120EE3/TR13
- Part No.:
- UPS120EE3/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Diodes
- Package:
- DO-216AA
- Datasheet:
-
UPS120EE3/TR13.pdf
- Description:
- DIODE SCHOTTKY 20V 1A POWERMITE
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
UPS120EE3/TR13 from Microsemi is a low-leakage Schottky barrier rectifier in Powermite 1® (DO-216AA) package, rated for 20 V peak repetitive reverse voltage, 1.0 A average forward current at TC = 135°C, and maximum forward voltage of 0.455 V at IF = 0.1 A and TJ = 25°C. It serves as a high-efficiency output rectifier in compact DC-DC converters and charge pump circuits.
For engineers reviewing the UPS120EE3/TR13 datasheet, UPS120EE3/TR13 pinout, UPS120EE3/TR13 application, or UPS120EE3/TR13 equivalent, key selection criteria include its 10 µA max reverse leakage at VR = 20 V, 15 °C/W junction-to-case thermal resistance, and low-profile DO-216AA footprint optimized for thermal management in space-constrained power stages.
Technical Context
This Schottky rectifier uses a planar metal-semiconductor junction to achieve fast switching with no minority-carrier storage delay. Its integral locking bottom metal tab provides direct thermal conduction from die to PCB mounting plane, enabling effective external heat sinking without solder flux entrapment.
The device operates across –55°C to +125°C junction temperature range and supports high dV/dt capability (10,000 V/µs), making it suitable for high-frequency switching topologies where reverse recovery loss must be minimized and thermal stability under pulsed load conditions is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 20 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in flyback or buck-boost output stage |
| IO (TC = 135°C) | 1.0 A - Continuous forward current rating at case temperature; enables compact heatsink-free operation in low-power SMPS |
| VF (IF = 0.1 A, TJ = 25°C) | 0.455 V - Low forward drop reduces conduction loss and improves efficiency in battery-powered charge pumps |
| IR (VR = 20 V, TJ = 25°C) | 10 µA - Ultra-low reverse leakage minimizes standby power loss in always-on power rails |
| RΘJC | 15 °C/W - Junction-to-case thermal resistance via bottom metal tab; allows direct thermal coupling to copper pour or heatsink |
| TJ Range | –55°C to +125°C - Wide operating junction temperature range supports industrial and automotive ambient environments |
Pinout & Package
Package: Powermite 1® (DO-216AA) - surface-mount, low-profile package with full metallic bottom tab for thermal and mechanical anchoring; dimensions: 2.21–2.46 mm × 1.77–2.03 mm × 0.73–0.99 mm height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to switching node or transformer secondary; requires low-inductance layout to suppress ringing |
| Cathode | Forward current exit / reverse blocking terminal | Connected to output capacitor ground; full-metal bottom tab is electrically tied to cathode |
| Bottom Tab | Cathode extension & thermal path | Integral locking feature ensures robust solder joint and direct thermal conduction to PCB copper |
Key Features
| Feature | Design Value |
|---|---|
| Low VF at low IF | 0.455 V @ 0.1 A enables >90% efficiency in micropower DC-DC stages below 1 W |
| Full metallic bottom tab | Eliminates solder flux entrapment risk and provides reliable mechanical anchoring during reflow |
| Junction-to-case RΘJC | 15 °C/W supports >1 W dissipation with minimal temperature rise when mounted on ≥1 oz copper |
| Low IR at 20 V | 10 µA reverse leakage preserves battery life in energy-harvesting and IoT sleep-mode applications |
Applications
| USB-C Power Delivery Adapter | Industrial Sensor Node Power Supply |
|---|---|
Use Scenario: Secondary-side synchronous rectification in 5–20 V isolated flyback converter delivering up to 10 W. IC Role / Device Role / Timing Role: Low-loss output rectifier replacing conventional diodes to reduce conduction loss and improve light-load efficiency. Use Value: 0.455 V VF at 0.1 A lowers output rectifier loss by ~40% vs. standard Schottky, extending adapter thermal margin. | Use Scenario: Input-stage rectification for ultra-low-quiescent PMIC powering MEMS accelerometers and wireless transceivers. IC Role / Device Role / Timing Role: AC/DC front-end rectifier in miniature wall-wart or energy-harvesting bridge configuration. Use Value: 10 µA IR at 20 V prevents measurable standby drain, preserving multi-year battery life in remote sensors. |
| Portable Medical Pulse Oximeter | Automotive Cabin Controller Auxiliary Rail |
Use Scenario: Charge pump voltage doubler supplying 3.3 V rail from single-cell Li-ion (2.7–4.2 V). IC Role / Device Role / Timing Role: Bidirectional switching element in Dickson-type charge pump with minimal voltage droop. Use Value: 0.530 V VF at 1.0 A maintains stable output under dynamic LED pulsing loads without thermal derating. | Use Scenario: Reverse polarity protection and EMI filtering rectifier in 12 V auxiliary supply feeding infotainment MCU and CAN transceivers. IC Role / Device Role / Timing Role: Input rectifier with integrated thermal path to chassis ground for EMC compliance and surge resilience. Use Value: 15 °C/W RΘJC enables direct mounting to metal housing, reducing system-level thermal resistance by 3× vs. standard SOD-123. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SS12HE3/5AT | Higher VF (0.5 V min @ 1 A), same 20 V VRRM, SOD-123 package, RΘJA ≈ 280 °C/W | No integral metal tab; relies on PCB trace conduction only - less effective for >0.5 W dissipation | Preferred where cost sensitivity outweighs thermal performance and board area permits larger footprint |
| NSR0230HT1G | Lower IR (1 µA @ 20 V), same 20 V VRRM, SOD-123, VF = 0.45 V @ 0.1 A, RΘJC not specified | Lacks dedicated thermal tab; optimized for ultra-low leakage rather than high-pulse-current handling | Better for battery-backed RTC or memory backup rails where leakage dominates thermal design |
Compared with SS12HE3/5AT and NSR0230HT1G, the UPS120EE3/TR13 uniquely combines ultra-low IR, low VF, and a thermally anchored DO-216AA package - making it optimal for space-constrained, thermally demanding 1–2 W power stages where both efficiency and reliability are prioritized.
Availability
UPS120EE3/TR13 is available at Aetrix Electronics and suitable for USB-C adapters, industrial sensor nodes, portable medical devices, and automotive cabin controllers requiring stable component supply and consistent thermal performance across production volumes.
Supply support for UPS120EE3/TR13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microsemi Corporation (now part of Microchip Technology) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, industrial, and communications markets.
The Powermite 1® Schottky rectifier product line targets compact, thermally efficient power conversion in space- and thermal-constrained applications such as portable electronics and distributed power systems.
FAQ
What is the maximum continuous forward current rating for UPS120EE3/TR13?
The UPS120EE3/TR13 is rated for 1.0 A average forward current at TC = 135°C. This rating assumes proper thermal management via its bottom metal tab mounted to sufficient copper area. At lower case temperatures, derating is not required, but junction temperature must remain ≤125°C under combined forward and reverse power dissipation.
Does UPS120EE3/TR13 have a cathode-connected bottom tab?
Yes, the integral locking bottom metal tab of the UPS120EE3/TR13 is electrically connected to the cathode. This design enables simultaneous thermal conduction and circuit grounding through the same interface, simplifying layout and improving reliability in high-vibration environments.
What is the reverse leakage current of UPS120EE3/TR13 at 20 V and 25°C?
The UPS120EE3/TR13 has a maximum reverse leakage current of 10 µA at VR = 20 V and TJ = 25°C. This ultra-low IR value is confirmed in the "Static Electrical Characteristics" table on page 2 of the official Microsemi datasheet (Rev E, June 2008).
Can UPS120EE3/TR13 be used in charge pump circuits?
Yes, the UPS120EE3/TR13 is explicitly recommended for charge pump circuits per its official product description. Its low forward voltage (0.455 V at 0.1 A) and low reverse leakage (10 µA at 20 V) minimize voltage loss and standby current, making it ideal for Dickson and voltage-doubling topologies in portable equipment.
What is the thermal resistance from junction to case (RΘJC) for UPS120EE3/TR13?
The UPS120EE3/TR13 has a junction-to-case (bottom) thermal resistance of 15 °C/W, measured directly through its integral metal tab. This value is specified in the "Thermal Characteristics" table on page 2 of the Microsemi datasheet and enables predictable thermal modeling when mounted on FR-4 with minimum recommended footprint.
UPS120EE3/TR13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-216AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 20 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 530 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 10 µA @ 20 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Powermite
- Operating Temperature - Junction:
- -55°C ~ 125°C
UPS120EE3/TR13 FAQ
1.How can I place an order for UPS120EE3/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for UPS120EE3/TR13 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for UPS120EE3/TR13 reliable?
The price and inventory of UPS120EE3/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPS120EE3/TR13 is usually 5 days.
3.What payment methods are accepted for UPS120EE3/TR13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPS120EE3/TR13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPS120EE3/TR13?
UPS120EE3/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPS120EE3/TR13 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for UPS120EE3/TR13?
For technical support, including UPS120EE3/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPS120EE3/TR13 requirements.
6.How does Aetrix verify that UPS120EE3/TR13 is sourced from the original manufacturer or authorized distributors?
All UPS120EE3/TR13 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that UPS120EE3/TR13 meets industry standards.
7.What is the process for return or replacement of UPS120EE3/TR13?
All UPS120EE3/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with UPS120EE3/TR13, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The UPS120EE3/TR13 part is unused and in its original packaging.
Return procedure for UPS120EE3/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UPS120EE3/TR13 Tags

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1N4448X-TP
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onsemi

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