SZ1SMA24CAT3G LITTELFUSE TVS Diode (Bi-directional) (Diodes Moulded Non Polarised) In Stock
Littelfuse SZ1SMA24CAT3G is a bidirectional TVS diode with 24V standoff voltage and 38.9V maximum clamping voltage in a compact DO-214AC (SMA) package. Provides excellent transient surge protection with low zener impedance and fast response. Available from stock with worldwide shipping.
- Manufacturer
- LITTELFUSE
- Package
- Diodes Moulded Non Polarised
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- SZ1SMA24CAT3G Datasheet PDF
- Category
- TVS Diode (Bi-directional)
- Price
- From $0.1429(MOQ 500)
- Temp Range
- -65.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Bidirectional 24V TVS diode with clamping voltage of 38.9V maximum, protecting sensitive circuits from both positive and negative voltage transients
- DO-214AC (SMA) surface mount package with excellent clamping capability and low zener impedance ensuring minimal voltage overshoot during transient events
- Silicon TVS construction with breakdown voltage range of 26.7V to 29.51V providing tight voltage clamping tolerance for precise circuit protection
Applications
The SZ1SMA24CAT3G is designed for transient overvoltage protection in industrial power supplies, automotive electronics, and communication interfaces operating at 24V rails. Its bidirectional configuration makes it ideal for protecting AC signal lines and differential data buses such as RS-485, CAN bus, and industrial Ethernet from ESD and lightning-induced surges. Engineers use this TVS diode in battery management systems and motor drive inputs where robust bidirectional surge clamping at 38.9V is required.
Specifications
| YTEOL | 5.98 |
| Additional Feature | EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE |
| Breakdown Voltage-Max | 29.51V |
| Breakdown Voltage-Min | 26.7V |
| Breakdown Voltage-Nom | 28.11V |
| Clamping Voltage-Max | 38.9V |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | DO-214AC |
| JESD-30 Code | R-PDSO-C2 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 400W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity | BIDIRECTIONAL |
| Power Dissipation-Max | 1.2W |
| Reference Standard | AEC-Q101; IEC-61000-4-2; UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | 24V |
| Reverse Current-Max | 2.5 µA |
| Reverse Test Voltage | 24V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Finish | MATTE TIN |
| Terminal Form | C BEND |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Diodes Moulded Non Polarised |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the clamping voltage and breakdown voltage range of SZ1SMA24CAT3G under transient conditions?
The SZ1SMA24CAT3G has a nominal breakdown voltage of 28.11V with a range of 26.7V to 29.51V, and a maximum clamping voltage of 38.9V at peak pulse current, providing effective transient suppression for 24V systems with less than 15V of clamping headroom.
Why is the bidirectional configuration of SZ1SMA24CAT3G important for industrial communication bus protection?
The bidirectional TVS structure of SZ1SMA24CAT3G clamps both positive and negative voltage transients symmetrically at ±38.9V maximum, making it essential for protecting differential bus interfaces like RS-485 and CAN operating at 24V, where surges can occur in either polarity.
How does SZ1SMA24CAT3G perform in automotive electronic control units compared to standard diodes?
Unlike standard rectifier diodes, SZ1SMA24CAT3G responds to transients in sub-nanosecond time, clamping voltage spikes to 38.9V within picoseconds and absorbing peak pulse power of 400W in 10/1000µs waveform, making it suitable for automotive ECU input protection per ISO 7637 pulse requirements.
What PCB footprint and soldering process is compatible with SZ1SMA24CAT3G?
SZ1SMA24CAT3G uses the DO-214AC (SMA) footprint with a body length of approximately 4.4mm and width of 2.6mm, compatible with standard SMT reflow soldering at lead-free temperatures up to 260°C peak, enabling easy integration into automated PCB assembly lines.
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About LITTELFUSE
LITTELFUSE is a leading electronic component manufacturer. FindMyChip sources LITTELFUSE ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $0.1662 | $83.10 |
| 1000+ | $0.1608 | $160.80 |
| 2500+ | $0.1560 | $390.00 |
| 10000+ | $0.1455 | $1454.60 |
| 15000+ | $0.1444 | $2165.55 |
| 100000+ | $0.1429 | $14290.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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