SMAJ18CA - Littelfuse

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

SMAJ18CA
Manufacturer

Littelfuse
ChipWorker Part#

CW1280145
Category

TVS Diode
Package

DO-214AC
Description

LITTELFUSE SMAJ18CA TVS Diode, SMAJ Series, Bidirectional, 18V, 29.2V, DO-214AC, 2Pins
Documentation

Datasheet

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SMAJ18CA Specifications

Attribute	Attribute Value

Part Number	SMAJ18CA
Manufacturer	Littelfuse
ChipWorker Part#	CW1280145
Category	TVS Diode
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	2 Pin
Case/Package	DO-214AC
Voltage Rating (DC)	18.0 V
Capacitance	500 pF
Power Rating	400 W
Breakdown Voltage	21.05 V
Number of Circuits	1 Circuit
Number of Positions	2 Position
Power Dissipation	400 W
Clamping Voltage	29.2 V
Test Current	1 mA
Max Breakdown Voltage	22.1 V
Peak Pulse Power	400 W
Min Breakdown Voltage	20 V
Reverse Breakdown Voltage	20 V
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-65 ℃
Junction Temperature	-65℃ ~ 150℃
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Size-Length	4.5 mm
Size-Width	2.79 mm
Size-Height	2.29 mm
Operating Temperature	-65℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2016/06/20

Product Description

The SMAJ18CA from Littelfuse is a SMAJ series 400W, surface mount bidirectional transient voltage suppression diode in DO-214AA package. It features excellent clamping capability, glass passivated junction, low inductance, low profile package, built-in strain relief and fast response time of typically less than 1.0ps from 0Vs to VBR min. The peak pulse power dissipation (PPPM) is 400W at TA=25°C, 10/1000µs waveform, 0.01% repetition rate (duty cycle). This SMAJ series transient voltage suppression diode is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits.
Reverse stand off voltage (VR) of 18V and maximum reverse leakage (IR) of 1µA at VR
Breakdown voltage (VBR) of 20V minimum, 22.1V maximum at 1mA test current (IT)
Maximum clamping voltage (VC) of 29.2V at IPP and maximum peak pulse current (IPP) of 13.7A
Power dissipation (PD) of 3.3W on infinite heat sink at TL=50°C
Typical failure mode is short from over specified voltage or current
UL E230531 approved, plastic package is flammability rated V-0 per UL standard
IEC-61000-4-2 ESD 30KV (air), 30KV (contact) protection
Suitable for surface mounted applications to optimize board space
Operating temperature range from -65°C to 150°C and 260°C/40sec high temperature to reflow soldering
ESD protection of data lines with IEC 61000-4-2 and EFT protection with IEC 61000-4-4 standard

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