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Taiwan Semiconductor Corporation SS16L
- Part No.:
- SS16L
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-219AB
- Datasheet:
-
SS16L.pdf
- Description:
- DIODE SCHOTTKY 60V 1A SUB SMA
- Quantity:
- Payment:
- Shipping:
Inventory:7,937
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Product details
Overview
SS16L from Taiwan Semiconductor is a 1 A, 60 V Schottky barrier surface-mount rectifier in Sub SMA package, featuring 0.580 V forward voltage at 0.5 A and 25°C, 30 A peak surge current, and 125°C maximum junction temperature. It serves as a low-loss freewheeling or output rectifier in compact DC-DC converters.
For engineers reviewing the SS16L datasheet, SS16L pinout, SS16L application, or SS16L equivalent, key selection criteria include its 60 V repetitive peak reverse voltage, sub-SMA thermal resistance (RθJL = 45°C/W), cathode-band polarity marking, and J-STD-020 Level 1 moisture sensitivity rating.
Technical Context
The SS16L uses a single-die Schottky junction optimized for high-efficiency switching rectification with minimal forward conduction loss and fast recovery. Its guard ring structure enhances overvoltage ruggedness without compromising soft recovery behavior.
Designed for surface-mount automated assembly, the device operates up to 125°C junction temperature with 400 µA max reverse leakage at 25°C and rated VR, and maintains stable performance under 8.3 ms half-sine surge conditions up to 30 A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 60 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in flyback or buck output stages |
| IF | 1 A - Continuous average forward current; supports 5–12 W power conversion at typical board-level thermal conditions |
| VF @ 0.5 A, 25°C | 0.580 V - Low conduction loss enabling >90% efficiency in 5 V/1 A SMPS outputs |
| IFSM | 30 A - Peak non-repetitive surge rating; withstands inrush and transient overload without failure |
| TJ max | 125°C - Maximum junction temperature; enables operation in sealed enclosures or high-ambient industrial environments |
| RθJL | 45°C/W - Junction-to-lead thermal resistance; allows direct PCB copper pour heat sinking without heatsink |
| Moisture Sensitivity | Level 1 per J-STD-020 - No bake requirement prior to reflow; compatible with standard SMT lines |
Pinout & Package
Package: Sub SMA - Surface-mount plastic package with matte tin-plated leads, UL 94V-0 molding compound, and cathode band polarity indicator. Weight: 0.019 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to switch node or transformer secondary center-tap; low-resistance metal interface minimizes conduction loss |
| Cathode | Forward current exit / reverse blocking terminal | Marked by visible band; ties to output filter capacitor or common rail; handles full reverse voltage stress |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring structure | Improves dv/dt ruggedness to 10,000 V/µs, preventing premature breakdown during fast-switching transients |
| Low VF at 1 A | 0.700 V max at 1 A and 25°C - reduces I²R losses and thermal rise in high-duty-cycle applications |
| Single-die configuration | Ensures consistent electrical parameters and eliminates inter-die mismatch in parallel configurations |
| Halogen-free construction | Complies with IEC 61249-2-21 - meets environmental requirements for industrial and consumer end equipment |
Applications
| AC-DC Adapters | USB-C PD Power Blocks |
|---|---|
Use Scenario: Secondary-side rectification in compact 20–65 W offline adapters with high-frequency flyback topology. IC Role / Device Role / Timing Role: Output rectifier replacing conventional PN diodes to reduce conduction loss and improve light-load efficiency. Use Value: Enables 5–10°C lower diode temperature rise vs. comparable 1 A PN rectifiers, extending adapter lifetime under continuous operation. | Use Scenario: Synchronous rectification replacement in 45 W USB-C power delivery modules with 5–20 V output range. IC Role / Device Role / Timing Role: Freewheeling path during high-side switch off-time; critical for maintaining regulation during dynamic load steps. Use Value: 0.580 V VF at 0.5 A directly improves 5 V/3 A output efficiency by ~1.2% versus SS15L (0.510 V) while maintaining same 60 V rating. |
| Industrial DC-DC Converters | LED Driver Secondary Rectification |
Use Scenario: Isolated 12 V output stage in DIN-rail mounted 24 V input DC-DC converters for PLC I/O modules. IC Role / Device Role / Timing Role: Primary output rectifier handling continuous 1 A load with 125°C ambient derating. Use Value: RθJL = 45°C/W allows direct thermal coupling to copper pour, eliminating need for thermal vias in cost-sensitive designs. | Use Scenario: Constant-current LED string rectification in outdoor-rated streetlight drivers with 36–48 V output. IC Role / Device Role / Timing Role: High-reliability output rectifier exposed to wide ambient swings (-40°C to +85°C). Use Value: 400 µA max IR at 25°C and 60 V ensures minimal standby leakage, preserving driver quiescent current budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SS16 (ON Semiconductor) | Same 1 A / 60 V rating but higher VF (0.75 V typ @ 1 A); Sub SMA package with identical footprint | Higher conduction loss limits use in thermally constrained 5 V output rails | Select SS16L when lowest possible VF is required for efficiency-critical 5–12 V outputs |
| SB160 (Diotec) | 1 A / 60 V, VF = 0.72 V max @ 1 A; JEDEC-standard SMA package (slightly larger than Sub SMA) | Larger package increases board area and thermal mass; not drop-in compatible due to dimensional mismatch | Choose SB160 only if Sub SMA footprint is unavailable in procurement or legacy layout constraints apply |
Compared with SS16 and SB160, the SS16L delivers the lowest forward voltage in its voltage class while maintaining Sub SMA compatibility-critical for space-constrained USB-C and IoT power designs where thermal and efficiency margins are tight.
Availability
SS16L is available at Aetrix Electronics and suitable for AC-DC adapters, USB-C PD power blocks, and industrial DC-DC converters requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for SS16L 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global power and protection markets since 1979.
The SS16L belongs to TSC's SS1xL Schottky rectifier family, engineered specifically for high-efficiency, surface-mount switching power supplies where low forward voltage and robust surge capability are essential.
FAQ
What is the maximum junction temperature rating for SS16L?
The SS16L has a maximum junction temperature (TJ) of 125°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet. This rating applies under continuous DC forward current conditions and enables reliable operation in enclosed industrial power supplies. Derating is required above 25°C ambient, and the device must not exceed 125°C at the die level during operation. The SS16L datasheet provides forward current derating curves confirming usable current down to zero at 125°C case temperature.
Does SS16L have a guard ring structure, and what benefit does it provide?
Yes, the SS16L incorporates a guard ring structure explicitly cited in its features list. This design enhances voltage standoff reliability by controlling electric field distribution at the die edge, improving critical rate of rise of off-state voltage (dV/dt) to 10,000 V/µs. In practical terms, this prevents premature avalanche breakdown during fast-switching transients in high-frequency SMPS circuits, increasing system robustness without requiring external snubbers.
What is the forward voltage specification for SS16L at 1 A and 25°C?
The SS16L has a maximum forward voltage (VF) of 0.700 V at 1 A and 25°C, as specified in the Electrical Specifications table of the Taiwan Semiconductor datasheet. This value is measured under pulsed conditions (PW = 0.3 ms) and represents the upper limit for production units. Typical VF is lower, supporting high-efficiency operation in 5 V and 12 V output stages where conduction loss directly impacts thermal design.
Is SS16L RoHS and halogen-free compliant?
Yes, the SS16L is RoHS compliant and halogen-free per IEC 61249-2-21, as confirmed in the FEATURES section of the official Taiwan Semiconductor documentation. This compliance ensures suitability for consumer, industrial, and automotive-adjacent applications where regulatory restrictions on hazardous substances apply. The halogen-free status also contributes to reduced corrosive gas emission during soldering and end-of-life disposal.
What is the moisture sensitivity level (MSL) of SS16L, and does it require baking before reflow?
The SS16L has a moisture sensitivity level (MSL) of Level 1 per J-STD-020, meaning it is not moisture-sensitive and requires no floor life limitation or pre-reflow baking. This simplifies manufacturing logistics and eliminates risk of popcorning during standard lead-free reflow profiles. The Level 1 rating is enabled by the device's Sub SMA package construction and internal material selection, as documented in the MECHANICAL DATA section.
SS16L Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-219AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 700 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 400 µA @ 60 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Sub SMA
- Operating Temperature - Junction:
- -55°C ~ 150°C
SS16L FAQ
1.How can I place an order for SS16L through Aetrix?
Please submit a Request for Quotation (RFQ) for SS16L 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 SS16L reliable?
The price and inventory of SS16L are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SS16L is usually 5 days.
3.What payment methods are accepted for SS16L?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SS16L transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SS16L?
SS16L orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SS16L 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 SS16L?
For technical support, including SS16L datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SS16L requirements.
6.How does Aetrix verify that SS16L is sourced from the original manufacturer or authorized distributors?
All SS16L 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 SS16L meets industry standards.
7.What is the process for return or replacement of SS16L?
All SS16L units undergo pre-shipment inspection (PSI). If there is an issue with SS16L, 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 SS16L part is unused and in its original packaging.
Return procedure for SS16L:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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