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STMicroelectronics STPS2L60ZFY
- Part No.:
- STPS2L60ZFY
- Manufacturer:
- STMicroelectronics
- Category:
- Single Diodes
- Package:
- SOD-123F
- Datasheet:
-
STPS2L60ZFY.pdf
- Description:
- DIODE SCHOTTKY 60V 2A SOD123F
- Quantity:
- Payment:
- Shipping:
Inventory:35,394
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Product details
Overview
STPS2L60ZFY from STMicroelectronics is an AEC-Q101-qualified automotive Schottky rectifier in SOD123Flat package, rated for 2 A average forward current, 60 V repetitive peak reverse voltage, and 0.60 V typical forward voltage at 125 °C - used for polarity protection and freewheeling in low-voltage DC/DC converters in engine control units and body electronics.
For engineers reviewing the STPS2L60ZFY datasheet, STPS2L60ZFY pinout, STPS2L60ZFY application, or STPS2L60ZFY equivalent, key selection criteria include junction-to-lead thermal resistance (20 °C/W), avalanche capability (85 W at 10 µs), conduction loss equation (P = 0.51×IF(AV) + 0.075×IF²(RMS)), and SOD123Flat surface-mount compatibility with automotive PPAP requirements.
Technical Context
This Schottky rectifier operates as a unidirectional power switch with negligible switching losses due to majority-carrier conduction, enabling high-frequency operation up to several MHz. Its 175 °C maximum junction temperature and -40 °C to +175 °C operating range support under-hood automotive environments without derating.
The device features specified avalanche capability (85 W, 10 µs pulse, Tj = 125 °C) and a low Rth(j-l) of 20 °C/W, allowing direct lead conduction cooling on PCB copper pads - critical for space-constrained automotive modules where heatsinks are impractical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF(AV) | 2 A - supports continuous output current in 12 V automotive DC/DC stages without forced air cooling |
| VRRM | 60 V - withstands load-dump transients per ISO 7637-2 up to 60 V in 24 V systems |
| VF (typ.) | 0.60 V at 125 °C / 2 A - reduces conduction loss to ~1.2 W, minimizing thermal stress in sealed enclosures |
| Tj (max.) | 175 °C - enables operation adjacent to power MOSFETs or ICs in ECU power stages |
| Rth(j-l) | 20 °C/W - allows >1.5 W dissipation with ≤30 °C rise over lead temperature on 1.6 cm² copper |
| PARM | 85 W (10 µs) - clamps inductive kickback from solenoid drivers or relay coils without failure |
| IR (max.) | 21 mA at 125 °C / VRRM - limits leakage-induced standby current in always-on vehicle networks |
Pinout & Package
SOD123Flat is a surface-mount, two-terminal plastic package with gull-wing leads, optimized for automated placement and reflow soldering. Dimensions: D = 2.50–2.70 mm, E = 1.50–1.80 mm, HD = 3.30–3.70 mm, L = 0.45–0.85 mm (lead length), c = 0.08–0.25 mm (lead thickness).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to input rail or inductive load side; must be routed with low-inductance trace for high di/dt freewheeling |
| Cathode (K) | Forward current exit point | Connected to ground or return path; serves as reference for voltage sensing and thermal coupling to PCB copper |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, mechanical shock, and humidity testing per JESD47 |
| Negligible switching losses | Enables >500 kHz operation in synchronous buck converters without reverse recovery penalty |
| Low VF (0.60 V typ. @ 125 °C) | Reduces power loss by ≥30% vs. standard silicon rectifiers at same current and temperature |
| Avalanche capability (85 W, 10 µs) | Eliminates need for external TVS in solenoid driver flyback protection circuits |
| PPAP capable | Supplied with full production part approval package including process flow, control plans, and test reports |
Applications
| Engine Control Unit Power Stage | Automotive Body Control Module |
|---|---|
Use Scenario: Freewheeling path for fuel injector driver MOSFETs during turn-off. IC Role / Device Role / Timing Role: Unidirectional current clamp preventing voltage overshoot beyond 60 V during inductive energy release. Use Value: Eliminates need for discrete TVS while maintaining <100 ns response to 50 A surge pulses per ISO 16750-2. | Use Scenario: Reverse-polarity protection for 12 V supply input to BCM microcontroller and CAN transceivers. IC Role / Device Role / Timing Role: Low-loss series blocking diode ensuring system survival during battery jump-start misconnection. Use Value: Limits voltage drop to ≤0.75 V at 2 A, preserving >11.2 V rail for CAN FD communication during cold-crank conditions. |
| Start-Stop System DC/DC Converter | Electric Power Steering Motor Driver |
Use Scenario: Output rectification in 48 V–12 V bidirectional buck-boost converter. IC Role / Device Role / Timing Role: High-frequency synchronous rectifier replacement reducing conduction loss at 200 kHz switching. Use Value: Achieves 92% efficiency at 10 A output by cutting VF-related loss by 0.25 V vs. Si diode at 125 °C. | Use Scenario: Freewheeling diode across H-bridge motor phase legs in EPS torque assist circuit. IC Role / Device Role / Timing Role: Fast-recovery path for back-EMF current during PWM dead-time intervals. Use Value: Prevents MOSFET shoot-through by limiting reverse recovery charge (Qrr ≈ 0 nC) and enabling <50 ns turn-off. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS2L60W1T1G | Same 60 V VRRM, 2 A IF(AV), but VF = 0.72 V (typ.) at 25 °C; Rth(j-l) = 25 °C/W | Higher conduction loss at elevated temperature; less suitable for sustained 125 °C ambient | Prefer STPS2L60ZFY when thermal margin is constrained or junction temperature exceeds 100 °C |
| Vishay VS-2EY60-M3/54 | 60 V VRRM, 2 A IF(AV), VF = 0.65 V (typ.) at 125 °C; no AEC-Q101 certification | Lacks automotive qualification documentation and PPAP support | Select STPS2L60ZFY for Tier-1 OEM programs requiring full automotive compliance traceability |
Compared with NSS2L60W1T1G and VS-2EY60-M3/54, STPS2L60ZFY delivers lower VF at high temperature and certified AEC-Q101 reliability - making it the only choice for under-hood applications requiring both thermal efficiency and production audit readiness.
Availability
STPS2L60ZFY is available at Aetrix Electronics and suitable for engine control units, body control modules, start-stop DC/DC converters, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for STPS2L60ZFY 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing analog, power, MCU, and sensor solutions for automotive, industrial, and consumer markets.
STPS2L60ZFY belongs to ST's automotive-qualified power rectifier product line, engineered specifically for high-reliability, thermally demanding roles in vehicle electrification subsystems.
FAQ
What is the maximum allowable surge current for STPS2L60ZFY?
The STPS2L60ZFY supports a non-repetitive forward surge current (IFSM) of 50 A for 10 ms sinusoidal waveform at 25 °C ambient. This rating applies to transient events like motor startup or solenoid engagement, and must be verified against actual thermal mass and PCB copper area using the provided Rth(j-l) = 20 °C/W value.
Does STPS2L60ZFY require a heatsink in automotive applications?
No external heatsink is required if the PCB provides ≥1.6 cm² of 35 µm copper per lead, as shown in Figure 8 of the datasheet. The SOD123Flat package relies on conduction cooling via leads; thermal performance degrades rapidly below 1 cm² copper, so layout verification is mandatory for sustained 2 A operation at 125 °C ambient.
How does the avalanche rating translate to real-world protection?
The 85 W repetitive peak avalanche power (at 10 µs, Tj = 125 °C) means the device can safely absorb 850 mJ per pulse - sufficient to clamp flyback energy from a 50 mH solenoid switched at 1 A. This eliminates need for parallel TVS diodes in many automotive actuator drive circuits.
Is STPS2L60ZFY compatible with lead-free reflow profiles?
Yes - the SOD123Flat package is RoHS-compliant and qualified for standard lead-free reflow profiles (peak temperature ≤260 °C, 60 s max above 217 °C). ST specifies JEDEC J-STD-020 moisture sensitivity level MSL3, requiring bake-out only if exposed to ambient >60% RH for >168 hours before assembly.
STPS2L60ZFY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- SOD-123F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 750 mV @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 50 µA @ 60 V
- Capacitance @ Vr, F:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
- Operating Temperature - Junction:
- -40°C ~ 175°C
STPS2L60ZFY FAQ
1.How can I place an order for STPS2L60ZFY through Aetrix?
Please submit a Request for Quotation (RFQ) for STPS2L60ZFY 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 STPS2L60ZFY reliable?
The price and inventory of STPS2L60ZFY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPS2L60ZFY is usually 5 days.
3.What payment methods are accepted for STPS2L60ZFY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPS2L60ZFY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STPS2L60ZFY?
STPS2L60ZFY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STPS2L60ZFY 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 STPS2L60ZFY?
For technical support, including STPS2L60ZFY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPS2L60ZFY requirements.
6.How does Aetrix verify that STPS2L60ZFY is sourced from the original manufacturer or authorized distributors?
All STPS2L60ZFY 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 STPS2L60ZFY meets industry standards.
7.What is the process for return or replacement of STPS2L60ZFY?
All STPS2L60ZFY units undergo pre-shipment inspection (PSI). If there is an issue with STPS2L60ZFY, 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 STPS2L60ZFY part is unused and in its original packaging.
Return procedure for STPS2L60ZFY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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