SM30T30CAY STMicroelectronics TVS Diode (Bi-directional) (Other) In Stock
The SM30T30CAY is an STMicroelectronics automotive-grade bidirectional TVS diode rated for 3000 W peak pulse power with a 26 V standoff voltage and a 30.4 V nominal breakdown voltage, housed in an SMC package for robust transient overvoltage protection.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- SM30T30CAY Datasheet PDF
- Category
- TVS Diode (Bi-directional)
- Price
- From $0.5430(MOQ 10)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SM30T30CAY?
- Bidirectional TVS diode for automotive protection
- 3000 W peak pulse power rating
- 30.4 V nominal breakdown voltage
- 42.1 V maximum clamping voltage
- MIL-STD-750 qualified silicon construction
- SMC package, single-channel configuration
What is SM30T30CAY used for?
The SM30T30CAY protects automotive electronic modules such as engine control units, body control modules, and infotainment power rails from transient voltage spikes caused by load dump, inductive switching, and ESD events. Its 3000 W pulse rating and MIL-STD-750 qualification make it suitable for harsh under-hood and chassis wiring harness environments.
What are the specifications of SM30T30CAY?
| Factory Lead Time | 53 Weeks, 1 Day |
| YTEOL | 8 |
| Additional Feature | MIL-STD-750 |
| Breakdown Voltage-Max | 31.9V |
| Breakdown Voltage-Min | 28.9V |
| Breakdown Voltage-Nom | 30.4V |
| Clamping Voltage-Max | 42.1V |
| 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 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 3000W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity | BIDIRECTIONAL |
| Reference Standard | AEC-Q101; IEC-61000-4-2, 4-4; ISO 7637-2 |
| Rep Pk Reverse Voltage-Max | 26V |
| Reverse Current-Max | 0.2 µA |
| Reverse Test Voltage | 26V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | C BEND |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
| Country of Origin | Mainland China |
Where can I find the SM30T30CAY datasheet?
SM30T30CAY Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for SM30T30CAY?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much transient energy can the SM30T30CAY absorb during a voltage surge?
The SM30T30CAY is rated to absorb a 3000 W peak pulse and clamps transients to a maximum of 42.1 V, protecting automotive circuits from load-dump and inductive switching surges on 12 V and 24 V systems.
What breakdown voltage tolerance should designers expect from this bidirectional TVS diode?
The SM30T30CAY specifies a minimum breakdown voltage of 28.9 V, a nominal of 30.4 V, and a maximum of 31.9 V, giving designers a tight window for selecting standoff voltage margin in 24 V automotive rails.
For automotive qualification, what standards and lead-time factors apply to sourcing the SM30T30CAY?
This single-channel silicon TVS diode is qualified to MIL-STD-750 and rated for 3000 W of peak pulse power in an SMC package, and STMicroelectronics currently quotes a factory lead time of roughly 53 weeks for this automotive-grade part.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $1.1900 | $11.90 |
| 100+ | $0.8140 | $81.40 |
| 500+ | $0.7183 | $359.17 |
| 1000+ | $0.6390 | $639.00 |
| 2500+ | $0.5940 | $1485.00 |
| 5000+ | $0.5430 | $2715.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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