Overview
The SM15T33CAHE3_A/H is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in sensitive electronic circuits. It is particularly useful in applications where protection against inductive load switching and lightning-induced surges is crucial.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 28.2 | V |
| Breakdown Voltage (VBR) | VBR | 31.4 - 34.7 | V |
| Peak Pulse Power (PPPM) | PPPM | 1500 | W |
| Peak Pulse Current (IPPM) | IPPM | See datasheet for specific values | A |
| Power Dissipation (PD) | PD | 6.5 | W |
| Peak Forward Surge Current (IFSM) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | SMC (DO-214AB) | ||
| Polarity | Bidirectional |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for reliability.
- Available in unidirectional and bidirectional configurations.
- 1500 W peak pulse power capability with a 10/1000 μs waveform.
- Excellent clamping capability and low inductance.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and halogen-free options available.
Applications
The SM15T33CAHE3_A/H TVS diode is suitable for a wide range of applications, including:
- Sensitive electronics protection against voltage transients induced by inductive load switching and lightning.
- Protection of ICs, MOSFETs, and signal lines of sensor units.
- Consumer, computer, industrial, automotive, and telecommunication systems.
Q & A
- What is the primary function of the SM15T33CAHE3_A/H TVS diode?
The primary function is to protect sensitive electronic circuits against voltage transients and surges. - What is the peak pulse power rating of the SM15T33CAHE3_A/H?
The peak pulse power rating is 1500 W with a 10/1000 μs waveform. - What are the operating junction and storage temperature ranges for this diode?
The operating junction and storage temperature ranges are -65 to +150 °C. - Is the SM15T33CAHE3_A/H RoHS-compliant?
Yes, it is RoHS-compliant and also available in halogen-free versions. - What package type is used for the SM15T33CAHE3_A/H?
The package type is SMC (DO-214AB). - Is the SM15T33CAHE3_A/H suitable for automotive applications?
Yes, it is AEC-Q101 qualified for automotive use. - What is the maximum forward surge current for this diode?
The maximum forward surge current is 200 A for a 10 ms single half sine-wave. - What are the typical applications of the SM15T33CAHE3_A/H?
Typical applications include protection of ICs, MOSFETs, and signal lines in consumer, computer, industrial, automotive, and telecommunication systems. - Does the SM15T33CAHE3_A/H have low inductance?
Yes, it has low inductance, which is beneficial for high-frequency applications. - What is the polarity of the SM15T33CAHE3_A/H?
The polarity is bidirectional.
