SMCJ33A vs SMCJ33A-AT Comparison
Detailed side-by-side comparison of SMCJ33A by Littelfuse and SMCJ33A-AT by Walsin. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | SMCJ33A | SMCJ33A-AT |
|---|---|---|
| Brand | Littelfuse | Walsin |
| Category | Surge Protectors | Surge Protectors |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.22 | $0.06 |
| Peak Pulse Power (Ppp) | 1500 W (10/1000 µs waveform) | — |
| Working Standoff Voltage (Vrwm) | 33 V | — |
| Breakdown Voltage (Vbr) | 36.7 V to 44.0 V (test current It = 1 mA) | — |
| Maximum Clamping Voltage (Vc) | 53.3 V at Ipp = 28.2 A | — |
| Peak Pulse Current (Ipp) | 28.2 A (10/1000 µs) | 28.2 A |
| Reverse Leakage (Ir) | 1.0 µA at Vrwm | — |
| Directionality | Uni-directional | — |
| Package | DO-214AB (SMC) | DO-214AB (SMC) |
| Mounting Type | Surface Mount | Surface Mount |
| Response Time | < 1 ps (0 V to Vbr min) | < 1 ps (typical, 0 V to VBR min) |
| Operating Temperature Range | -55 °C to +150 °C | — |
| Repetition Rate (duty cycle) | 0.05% | — |
| Diode Construction | Glass-passivated junction | — |
| RoHS Status | Compliant | Compliant |
| Halogen Free | Yes (Littelfuse variant) | Yes (per 'Green Device' classification) |
| Lead-Free Finish | Yes | Yes |
| Manufacturer | — | Walsin |
| Series | — | SMCJ-AT |
| Device Type | — | TVS Diode (Uni-Directional) |
| Peak Pulse Power (10/1000 µs) | — | 1500 W |
| Working Peak Reverse Voltage (VRWM) | — | 33 V |
| Breakdown Voltage (VBR) Min | — | 36.7 V |
| Breakdown Voltage (VBR) Max | — | [DATA_NEEDED: VBR max not in provided data] |
| Clamping Voltage (VC) at Ipp | — | 53.3 V |
| Polarity | — | Uni-Directional |
| Repetition Rate (Duty Cycle) | — | 0.05% |
| Operating Temperature | — | -55C to +150C |