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Diodes Incorporated ZLLS1000TC
- Part No.:
- ZLLS1000TC
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ZLLS1000TC.pdf
- Description:
- DIODE SCHOTTKY 40V 1.16A SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,170
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Product details
Overview
ZLLS1000 from Diodes Incorporated is a 40V, 1.16A high-current low-leakage Schottky diode in SOT23 package, featuring 320mV typical forward voltage at 50mA and 6μA typical reverse leakage at 30V, optimized for DC-DC converter output rectification and mobile phone charging circuits.
For engineers reviewing the ZLLS1000 datasheet, ZLLS1000 pinout, ZLLS1000 application, or ZLLS1000 equivalent, key selection criteria include thermal resistance (RθJA = 106°C/W on FRB PCB), AEC-Q101 qualification, and low VF/low IR trade-off at elevated temperatures up to +150°C junction.
Technical Context
This Schottky diode uses a planar epitaxial construction with low-resistance alloy 42 leadframe and matte tin terminations, enabling fast switching (tRR ≤ 5ns) and stable operation under repetitive 2.6A peak forward current pulses. Its thermally rated SOT23 package supports continuous operation at +150°C junction temperature.
The device achieves low conduction loss via low on-resistance design and minimizes standby power loss through ultra-low reverse leakage-5μA typical at 30V/85°C-making it suitable for energy-sensitive portable and automotive auxiliary power rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR (Reverse Voltage) | 40 V - Maximum blocking voltage before breakdown; sets upper limit for input/output rail separation in buck converters. |
| IF (Continuous Forward Current) | 1.16 A - Sustained DC current capability; defines max continuous load in charging path or motor flyback clamp. |
| VF @ 50mA | 320 mV typ - Low forward drop reduces conduction loss and improves efficiency in 3.3V–5V power stages. |
| IR @ 30V / 25°C | 6 μA typ - Ultra-low leakage preserves battery charge in always-on circuits like real-time clock backup paths. |
| RθJL | 80 °C/W - Junction-to-lead thermal resistance enables direct solder-point thermal monitoring in compact layouts. |
| tRR | 5 ns max - Fast recovery minimizes switching loss and EMI in high-frequency (>500kHz) synchronous rectifier applications. |
| TJ Max | +150 °C - Rated junction temperature allows operation in under-hood automotive modules and sealed industrial enclosures. |
Pinout & Package
SOT23 plastic surface-mount package with gull-wing leads; thermally enhanced for +150°C ambient operation; UL 94V-0 rated; weight 0.008g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to lower-potential node (e.g., switch node in buck topology); requires low-inductance trace routing. |
| Cathode (C) | Forward current exit point | Connected to output capacitor or load; serves as reference for voltage clamping and feedback sensing. |
| No Connect (N/C) | Unused internal terminal | Electrically isolated; no PCB pad or trace required; must not be shorted or biased. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test conditions. |
| Low VF at high IF | 470mV typ @ 750mA ensures <0.35W conduction loss in 1A charging paths, reducing thermal derating needs. |
| Thermally rated SOT23 | RθJA = 106°C/W on FRB PCB enables 1.16A operation without heatsink in space-constrained designs. |
| Halogen & antimony free | Meets "Green" definition (<900ppm Br, <900ppm Cl, <1000ppm Sb); compliant with EU RoHS 3 Directive 2015/863/EU. |
Applications
| DC-DC Converters | Mobile Phone Charging Circuits |
|---|---|
Use Scenario: Secondary-side synchronous rectification in 5V/3.3V buck converters powering SoC core rails. IC Role / Device Role / Timing Role: Low-loss freewheeling diode replacing MOSFET gate drive complexity in cost-sensitive designs. Use Value: 320mV VF at 50mA cuts conduction loss by >40% vs standard Schottkys, improving light-load efficiency by 2–3%. | Use Scenario: USB-C PD input protection and reverse polarity blocking in smartphone power management ICs. IC Role / Device Role / Timing Role: Reverse-voltage clamp preventing battery discharge into faulty adapters during hot-plug events. Use Value: 6μA IR at 30V limits standby current drain to <1μA per diode, extending shelf life of sealed devices. |
| Strobes | Motor Control |
Use Scenario: High-pulse-current freewheeling path in camera flash LED driver circuits with 2.6A peak pulses. IC Role / Device Role / Timing Role: Energy recirculation element absorbing inductive kickback during rapid LED turn-off. Use Value: 2.6A IFPK rating supports 100μs pulses at 50% duty cycle without thermal runaway or parameter shift. | Use Scenario: Flyback protection across brushed DC motor windings in automotive seat/mirror actuators. IC Role / Device Role / Timing Role: Inductive energy dissipation path limiting voltage spikes to <40V during PWM commutation. Use Value: 40V VR rating matches 12V automotive system transients; 150°C TJ rating survives under-hood thermal soak. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZHCS1000 | Lower leakage (1.5μA @30°C) but higher VF (370mV @50mA); same SOT23 package and 40V rating. | Better suited for ultra-low-power sensor nodes where leakage dominates; less efficient in high-current charging. | Select ZHCS1000 when standby current <2μA is mandatory and IF <500mA; retain ZLLS1000 for >1A average loads. |
| SBM110 | Higher IF (1.5A), same VR (40V), but higher IR (20μA @30V) and no AEC-Q101 qualification. | Acceptable for consumer-grade motor control but unsuitable for automotive or long-life battery systems. | Choose SBM110 only for cost-driven non-automotive applications where AEC-Q101 and sub-10μA leakage are not required. |
Compared with ZHCS1000 and SBM110, ZLLS1000 uniquely balances low VF (320mV), moderate leakage (6μA), AEC-Q101 compliance, and 1.16A continuous rating-making it optimal for automotive-adjacent portable power and industrial DC-DC modules requiring both efficiency and reliability.
Availability
ZLLS1000 is available at Aetrix Electronics and suitable for DC-DC converters, mobile phone charging circuits, and motor control applications requiring stable component supply, automotive-grade reliability, and thermal robustness up to +150°C.
Supply support for ZLLS1000 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
ZLLS1000 belongs to Diodes' high-reliability Schottky diode product line, engineered specifically for power conversion efficiency and thermal stability in automotive infotainment, ADAS subsystems, and industrial power supplies.
FAQ
What is the maximum allowable junction temperature for ZLLS1000?
The absolute maximum junction temperature is +150°C, validated per AEC-Q101 stress testing. Operation above this limit risks irreversible parametric shift and premature failure. Derating curves in the datasheet show safe operating area boundaries based on ambient temperature and pulse duty cycle.
Is ZLLS1000 suitable for automotive applications?
Yes-ZLLS1000 is qualified to AEC-Q101 standards for high-reliability automotive use. The automotive-compliant variant ZLLS1000QTA is available with full PPAP documentation; standard ZLLS1000TA meets the same electrical and thermal specs but lacks automotive-specific traceability packaging.
How does ZLLS1000 compare to standard silicon diodes in switching performance?
ZLLS1000 exhibits zero minority-carrier storage delay and 5ns reverse recovery time-over 10× faster than equivalent 1A silicon rectifiers. This eliminates switching tail current, reduces EMI, and enables higher-frequency operation in DC-DC converters without snubber networks.
Can ZLLS1000 be used in parallel configurations?
Parallel operation is not recommended due to mismatch in forward voltage characteristics-even minor VF variations cause current imbalance. For higher current needs, select a single higher-rated part like ZLLS2000 (2A) or verify matched binning with Diodes Incorporated's application engineering team.
ZLLS1000TC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 1.16A
- Voltage - Forward (Vf) (Max) @ If:
- 560 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 5 ns
- Current - Reverse Leakage @ Vr:
- 20 µA @ 30 V
- Capacitance @ Vr, F:
- 28pF @ 30V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
- Operating Temperature - Junction:
- 150°C (Max)
ZLLS1000TC FAQ
1.How can I place an order for ZLLS1000TC through Aetrix?
Please submit a Request for Quotation (RFQ) for ZLLS1000TC 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 ZLLS1000TC reliable?
The price and inventory of ZLLS1000TC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZLLS1000TC is usually 5 days.
3.What payment methods are accepted for ZLLS1000TC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZLLS1000TC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZLLS1000TC?
ZLLS1000TC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZLLS1000TC 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 ZLLS1000TC?
For technical support, including ZLLS1000TC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZLLS1000TC requirements.
6.How does Aetrix verify that ZLLS1000TC is sourced from the original manufacturer or authorized distributors?
All ZLLS1000TC 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 ZLLS1000TC meets industry standards.
7.What is the process for return or replacement of ZLLS1000TC?
All ZLLS1000TC units undergo pre-shipment inspection (PSI). If there is an issue with ZLLS1000TC, 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 ZLLS1000TC part is unused and in its original packaging.
Return procedure for ZLLS1000TC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ZLLS1000TC Tags
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