SMAJ22CA-13

Current - Peak Pulse (10/1000µs):	11.2A
Base Part Number:	SMAJ22
Supplier Device Package:	SMA
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	--
Voltage - Clamping (Max) @ Ipp:	35.5V
Voltage - Breakdown (Min):	24.4V
Voltage - Reverse Standoff (Typ):	22V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Discontinued at Digi-Key
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes are used to protect sensitive electronic circuits and components from the damaging effects of transients or electrical surges. One type of TVS diode, the SMAJ22CA-13, is specifically designed to protect systems from high frequency transients in the 13-volt range. The device is composed of a silicon diode array enclosed in a standardJEDEC DO-214AB package and offers fast response time, low dynamic resistance, and flexibility in high peak pulse power settings.
The SMAJ22CA-13 is designed for use in applications like telecommunications systems, modems, hubs, routers, and other network related equipment, and is also suitable for automotive applications like automotive airbag systems, brake systems, and air conditioning systems. It’s also useful for video applications such as satellite receivers, remote cameras, camcorders, and other devices using high frequency signal transmission. The SMAJ22CA-13 can also be used to protect communication lines in remote and battery-powered devices.
The SMAJ22CA-13 operates by clamping any transient voltage that exceeds its maximum peak pulse power (Ppp) range. This is because the diode array in the device is arranged in reverse-biased configurations. The reverse-bias opposes the direction of any sudden high voltage spikes, which softens them and dissipates their power without damaging the system.
The response time of the TVS diode is one of the key factors when it comes to its rated response time. Generally, the faster the response time, the better the protection the device provides. The SMAJ22CA-13 is designed for fast response time, clocking in with an 8/20µs response time. This means that the device responds and begins clamping any voltage spike within 8/20µs, preventing any potential damage to the protected circuitry.
The peak power capabilities of the SMAJ22CA-13 are also impressive. The device can handle up to 1500 watts of peak power, allowing it to absorb high energy surge events without becoming damaged. In addition, the device has a functional operating temperature range of -55°C to +150°C, making it suitable for use in a wide variety of environmental conditions.
As far as physical specifications, the SMAJ22CA-13 has a small footprint, measuring 4.55mm x 4.55mm. The device also features a relatively low dynamic resistance, with a RD of ≤ 0.10 ohm, making it efficient in thermal dissipation.
Overall, the SMAJ22CA-13 is a product designed to provide effective, reliable protection from high-energy transient events in applications such as telecommunications, automotive, and video systems. Its fast response time, low dynamic resistance, high peak power capabilities, and small footprint make it an ideal choice for applications where space is at a premium.

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