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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
34 pcs
|
34 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
22 pcs
|
22 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Applications | |
| Automotive Grade | |
| Bidirectional Channels | |
| Current | |
| Halogen Free | |
| Industrial Grade | |
| Lead Style | |
| Medical Grade | |
| Military Grade | |
| Mounting Type | |
| Operating Temperature | |
| Power | |
| Power Line Protection | |
| Reverse Standoff Voltage (Vrwm) | |
| Storage Temperature | |
| Supplier Device Package | |
| Tape & Reel | |
| Type | |
| Voltage |
The SMAJ51CA is a bidirectional transient voltage suppressor diode manufactured by Littelfuse Inc. It is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
Key electrical specifications include a reverse standoff voltage (VRWM) of 51V, a maximum clamping voltage of 82.4V at rated peak pulse current, and a peak pulse power dissipation of 400W for a 10/1000μs waveform. The device is rated for a peak pulse current of 4.9A under the same waveform conditions. It operates over a junction temperature range of -65°C to 150°C.
The SMAJ51CA is housed in a DO-214AC (SMA) surface mount package, making it suitable for automated assembly processes. It is intended for general purpose applications and does not include power line protection features. The part is RoHS compliant and has an MSL rating of 1 (unlimited).
| Qty | Low | High |
|---|---|---|
| 1+ | $0.48 | $0.48 |
| 10+ | $0.30 | $0.30 |
| 100+ | $0.19 | $0.19 |
| 500+ | $0.14 | $0.14 |
| 1,000+ | $0.12 | $0.12 |
| 2,000+ | $0.11 | $0.11 |
| 5,000+ | $0.08 | $0.08 |
| 10,000+ | $0.07 | $0.07 |
| 15,000+ | $0.07 | $0.07 |
| 25,000+ | $0.07 | $0.07 |
| 35,000+ | $0.06 | $0.06 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The reverse standoff voltage is 51V.
The maximum clamping voltage is 82.4V at rated peak pulse current.
The peak pulse power dissipation is 400W for a 10/1000μs waveform.
It comes in a DO-214AC (SMA) surface mount package.
The operating junction temperature range is -65°C to 150°C.