SM15T39AY STMicroelectronics TVS Diode (Uni-directional) (Diodes Moulded) In Stock
Peak pulse power: – 1500 W (10/1000 μs) – up to 10 kW (8/20 μs) • Stand-off voltage range from 5 V to 188 V • Unidirectional and bidirectional types • Low leakage current: 0.2 µA at 25 °C • Operating Tj max: 150 °C • High power capability at Tj max.: up to 1250 W (10/1000 µs) • Lead finishing: matte tin plating
- Manufacturer
- STMicroelectronics
- Package
- Diodes Moulded
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- SM15T39AY Datasheet PDF
- Category
- TVS Diode (Uni-directional)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Specifications
| Factory Lead Time | 53 Weeks, 1 Day |
| YTEOL | 7 |
| Breakdown Voltage-Max | 41V |
| Breakdown Voltage-Min | 37.1V |
| Breakdown Voltage-Nom | 39V |
| Clamping Voltage-Max | 53.9V |
| Configuration | SINGLE, 1 CHANNEL |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | DO-214AB |
| JESD-30 Code | R-PDSO-C2 |
| Non-rep Peak Rev Power Dis-Max | 1500W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Polarity | UNIDIRECTIONAL |
| Qualification Status | Not Qualified |
| Reference Standard | AEC-Q101; IEC-61000-4-2; ISO 10605; MIL-STD-750 |
| Rep Pk Reverse Voltage-Max | 33.3V |
| Reverse Current-Max | 0.2 µA |
| Reverse Test Voltage | 33.3V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Form | C BEND |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| ## SM15T39AY Alternates Showing results | Image |
| Package | Diodes Moulded |
Compliance & Regulatory
| RoHS Status | Compliant |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SM15T39AY:
Voltage Suppressor Diode, Unidirectional, 1 Element, Silicon, DO-214AB
suggested
Trans Voltage Suppressor Diode, 1500W, 33.3V V(RWM), Bidirectional, 1 Element, Silicon, DO-214AB
Frequently Asked Questions
What is the price of SM15T39AY?
SM15T39AY is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.
Is SM15T39AY in stock?
SM15T39AY is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.
Where can I buy SM15T39AY?
You can buy SM15T39AY from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SM15T39AY from STMicroelectronics.
What is the datasheet for SM15T39AY?
The official SM15T39AY datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.
What package does SM15T39AY come in?
SM15T39AY is available in Diodes Moulded packaging. See the package diagram and pinout above for detailed dimensional information.
Related Guides
PTN78000WAZT Low-Profile Power Module: Sourcing & Selection Guide
Learn how to source and select the PTN78000WAZT low-profile SIP power module vs WAH, HAH, and AAH siblings. Includes package differences, key specs, and distributor tips.
May 20, 2026
TCA9517DR I2C Bus Repeater and Level Translator: Application Guide
Design guide for the TCA9517 I2C bus repeater and level translator: DR vs DGKR vs ADGKR differences, pull-up sizing, voltage domain bridging, and common pitfalls.
May 20, 2026
LMZ10501SILR vs SILT vs SEE/NOPB: 1A Nano Step-Down Module Selection Guide
Compare LMZ10501SILR, SILT, SEE, and SEE/NOPB variants to choose the right 1A nano step-down module for your IoT or portable design.
May 20, 2026
ISO7320CDR Dual-Channel Digital Isolator Selection Guide: C vs FC, Automotive Q1, and When to Upgrade
Choose the right ISO7320 isolator variant: basic vs reinforced isolation, automotive AEC-Q100 Q1 suffix, and supply voltage compatibility for industrial and automotive designs.
May 20, 2026
Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
More from STMicroelectronics
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”