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Taiwan Semiconductor Corporation SS36LH
- Part No.:
- SS36LH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-123
- Datasheet:
-
SS36LH.pdf
- Description:
- 3A, 60V, SCHOTTKY RECTIFIER
- Quantity:
- Payment:
- Shipping:
Inventory:8,013
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Product details
Overview
SS36LH from Taiwan Semiconductor is a 3A, 60V AEC-Q101-qualified Schottky barrier rectifier in Sub SMA package, featuring 0.75V max forward voltage at 3A/25°C, 80A peak surge current, and junction temperature rating up to +150°C. It serves as a freewheeling or reverse-battery protection diode in automotive DC/DC converters.
For engineers reviewing the SS36LH datasheet, SS36LH pinout, SS36LH application, or SS36LH equivalent, key selection criteria include repetitive peak reverse voltage (60V), thermal resistance (RθJA = 60°C/W), AEC-Q101 qualification, moisture sensitivity level 1, and Sub SMA surface-mount compatibility for automated placement.
Technical Context
The SS36LH employs a single-die Schottky structure with guard ring overvoltage protection and matte tin-plated leads compliant with J-STD-002 solderability. Its 60V VRRM and 0.75V VF balance efficiency and breakdown margin for 12–24V automotive systems.
Thermal performance is defined by RθJC = 30°C/W and RθJA = 60°C/W, enabling 3A continuous operation at TA ≤ 85°C with standard PCB copper area. Reverse leakage remains ≤10mA at 125°C and rated VR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 60 V - Maximum non-repetitive reverse blocking voltage; sets upper limit for DC bus or battery-reversal protection circuits. |
| IF | 3 A - Continuous average forward current at TA = 75°C with adequate PCB copper; defines steady-state power stage capability. |
| VF (max) | 0.75 V @ 3A, 25°C - Low conduction loss enables >92% efficiency in 5–12V DC/DC outputs with minimal heatsinking. |
| IFSM | 80 A - Peak non-repetitive surge current for 8.3ms half-sine; supports load dump and motor commutation transients. |
| TJ (max) | +150°C - Extended junction temperature rating allows operation in under-hood automotive environments without derating. |
| RθJA | 60 °C/W - Thermal resistance from junction to ambient on standard 1-inch² 2-oz copper; determines required board layout for thermal management. |
Pinout & Package
Package: Sub SMA - Surface-mount plastic case with cathode band polarity marking, UL 94V-0 molding compound, and JESD 201 Class 2 whisker-resistant matte tin terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current input | Connected to positive side of source (e.g., switch node in buck converter); low-resistance metal interface minimizes conduction loss. |
| Cathode | Forward current output / reverse voltage reference | Marked by band; ties to ground or return path; withstands 60V reverse bias with <10mA leakage at 125°C. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan. |
| Guard ring structure | Enhances edge termination robustness, preventing premature avalanche breakdown under transient overvoltage conditions. |
| Moisture sensitivity level 1 | Zero bake requirement before reflow; compatible with standard SMT assembly lines without dry-pack handling. |
| High dV/dt rating | 10,000 V/μs - Resists false triggering in fast-switching topologies like synchronous rectification or high-frequency inverters. |
Applications
| Automotive DC/DC Converters | Reverse Battery Protection |
|---|---|
Use Scenario: Step-down conversion from 12V/24V vehicle battery to 3.3V/5V for infotainment or ADAS ECUs. IC Role / Device Role / Timing Role: Freewheeling diode in asynchronous buck topology; conducts during high-side FET off-time. Use Value: 0.75V VF reduces conduction loss vs. silicon diodes, improving efficiency by ≥5% at 3A load. | Use Scenario: Preventing damage when jumper cables are incorrectly connected to vehicle battery terminals. IC Role / Device Role / Timing Role: Series-blocking diode placed between battery input and system rail; blocks reverse current flow. Use Value: 60V VRRM safely clamps 24V system transients while maintaining <10mA leakage at 125°C ambient. |
| LED Headlamp Drivers | Industrial 24V Power Supplies |
Use Scenario: Constant-current LED driver with PWM dimming and boost architecture in automotive headlamps. IC Role / Device Role / Timing Role: Output rectifier in boost converter stage; handles high-frequency switching ripple and thermal cycling. Use Value: AEC-Q101 qualification and +150°C TJ ensure long-term reliability in sealed, thermally constrained headlamp housings. | Use Scenario: DIN-rail mounted 24V industrial PSU powering PLC I/O modules and sensors. IC Role / Device Role / Timing Role: Input rectifier for auxiliary AC-DC stage or OR-ing diode in redundant supply inputs. Use Value: Sub SMA package enables compact layout; 80A IFSM tolerates inrush surges during cold-start across multiple parallel rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-3EY60-M3/57T | 60V VRRM, 3A IF, 0.72V VF (typ), Sub SMA, AEC-Q101 qualified | Identical voltage/current rating and qualification; slightly lower typical VF but no specified guard ring | Preferred where lowest possible conduction loss is prioritized and guard ring is not required for system-level surge immunity. |
| ON Semiconductor SB360-E3/57T | 60V VRRM, 3A IF, 0.72V VF (max), SMA package (not Sub SMA), no AEC-Q101 claim | Larger SMA footprint increases board area; lacks automotive qualification and specified moisture sensitivity level | Suitable for cost-sensitive industrial designs where AEC-Q101 and MSL-1 are not mandated. |
Compared with VS-3EY60-M3/57T and SB360-E3/57T, the SS36LH uniquely combines AEC-Q101 qualification, Sub SMA footprint, guard ring protection, and MSL-1 handling-making it the only option qualified for under-hood automotive use with zero assembly restrictions.
Availability
SS36LH is available at Aetrix Electronics and suitable for automotive DC/DC converters, reverse battery protection circuits, and LED headlamp drivers requiring stable component supply across production lifecycles.
Supply support for SS36LH 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 automotive, industrial, and consumer markets since 1979.
The SS36LH belongs to TSC's AEC-Q101-qualified Schottky rectifier family designed specifically for high-efficiency, high-reliability power conversion in automotive and harsh-environment industrial applications.
FAQ
What is the maximum junction temperature rating for the SS36LH?
The SS36LH has a maximum junction temperature (TJ) rating of +150°C, confirmed in the Absolute Maximum Ratings table. This allows sustained operation in under-hood automotive environments where ambient temperatures exceed 105°C. The SS36LH maintains specified electrical performance-including 0.75V VF and <10mA IR-up to this limit, making it suitable for thermally demanding applications such as engine control units and LED headlamp drivers.
Is the SS36LH pin-compatible with other parts in the SS3xLH series?
No-the SS36LH shares the same Sub SMA package and two-terminal configuration with SS34LH and SS310LH, but its 60V VRRM and corresponding 0.75V VF are specific to this variant. While mechanical mounting is identical, substituting SS36LH for SS34LH (40V) or SS310LH (100V) requires verification of voltage margin and forward loss trade-offs in the target circuit. The SS36LH marking code "36L" is laser-etched on the device body.
Does the SS36LH require baking before reflow soldering?
No-SS36LH is rated Moisture Sensitivity Level 1 (MSL-1) per J-STD-020, meaning it may be stored indefinitely at ≤30°C/60% RH and placed directly into reflow without pre-bake. This eliminates process steps and risk of thermal damage during assembly, supporting high-yield automated placement in automotive electronics manufacturing lines.
What does the "guard ring" feature provide for the SS36LH?
The guard ring in the SS36LH enhances edge termination robustness to prevent premature avalanche breakdown during voltage transients. In practice, this improves survivability against load dump events (ISO 7637-2 Pulse 5a) and inductive switching spikes in automotive power systems. Unlike standard Schottky diodes, the SS36LH's guard ring structure is explicitly documented in TSC's mechanical and reliability data, contributing to its AEC-Q101 qualification.
How does the SS36LH compare to silicon PN rectifiers in DC/DC applications?
The SS36LH delivers significantly lower forward voltage (0.75V vs. 1.1V typical for silicon) and near-zero reverse recovery charge, eliminating switching losses and EMI associated with PN diode tail current. In a 12V→5V buck converter at 3A, this translates to ~1.2W less conduction loss and cooler thermal operation. Unlike silicon alternatives, the SS36LH requires no snubber network and supports higher switching frequencies without efficiency penalty.
SS36LH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 750 mV @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 60 V
- Capacitance @ Vr, F:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Sub SMA
- Operating Temperature - Junction:
- -55°C ~ 150°C
SS36LH FAQ
1.How can I place an order for SS36LH through Aetrix?
Please submit a Request for Quotation (RFQ) for SS36LH 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 SS36LH reliable?
The price and inventory of SS36LH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SS36LH is usually 5 days.
3.What payment methods are accepted for SS36LH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SS36LH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SS36LH?
SS36LH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SS36LH 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 SS36LH?
For technical support, including SS36LH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SS36LH requirements.
6.How does Aetrix verify that SS36LH is sourced from the original manufacturer or authorized distributors?
All SS36LH 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 SS36LH meets industry standards.
7.What is the process for return or replacement of SS36LH?
All SS36LH units undergo pre-shipment inspection (PSI). If there is an issue with SS36LH, 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 SS36LH part is unused and in its original packaging.
Return procedure for SS36LH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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