SMC30J18CA is out of stock and can be placed on backorder.
Available Substitutes:

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SMC30J18CA | |
|---|---|
DigiKey Part Number | 497-12208-2-ND - Tape & Reel (TR) 497-12208-1-ND - Cut Tape (CT) 497-12208-6-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Product Number | SMC30J18CA |
Description | TVS DIODE 18VWM 29.2VC SMC |
Manufacturer Standard Lead Time | 13 Weeks |
Customer Reference | |
Detailed Description | 29.2V Clamp 103A Ipp Tvs Diode Surface Mount SMC |
Datasheet | Datasheet |
EDA/CAD Models | SMC30J18CA Models |
Product Attributes
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Category | Current - Peak Pulse (10/1000µs) 103A |
Mfr | Power - Peak Pulse 3000W (3kW) |
Series | Power Line Protection No |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Applications General Purpose |
Part Status Active | Operating Temperature -55°C ~ 175°C (TJ) |
Type Zener | Mounting Type Surface Mount |
Bidirectional Channels 1 | Package / Case DO-214AB, SMC |
Voltage - Reverse Standoff (Typ) 18V | Supplier Device Package |
Voltage - Breakdown (Min) 20V | Base Product Number |
Voltage - Clamping (Max) @ Ipp 29.2V |
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Substitutes (35)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| SMDJ18CA | Littelfuse Inc. | 164 | SMDJ18CATR-ND | $0.89000 | Direct |
| SMDJ18CA-T7 | Littelfuse Inc. | 632 | 18-SMDJ18CA-T7TR-ND | $1.18000 | Similar |
| 5.0SMDJ18CA | Littelfuse Inc. | 17 | F10849TR-ND | $1.46000 | Similar |
| 5.0SMDJ18CA-T7 | Littelfuse Inc. | 0 | 5.0SMDJ18CA-T7TR-ND | $1.82000 | Similar |
| SMCJ18CA | Littelfuse Inc. | 0 | SMCJ18CALFTR-ND | $0.38000 | Similar |
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In-Stock: 0
2,500 estimated in stock on 24-Dec-2026
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.37000 | $1.37 |
| 10 | $1.07000 | $10.70 |
| 100 | $0.77500 | $77.50 |
| 500 | $0.61300 | $306.50 |
| 1,000 | $0.56153 | $561.53 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 2,500 | $0.50499 | $1,262.48 |
| 5,000 | $0.47006 | $2,350.30 |
| 7,500 | $0.45975 | $3,448.12 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.









