Capacitance
:
Polarity
: Unidirectional
Clamping Voltage
: 29.2 V
Operating Voltage
: 18 V
Termination Style
: SMD/SMT
Maximum Operating Temperature
: + 150 C
Packaging
: Reel
Channels
: 1 Channel
Package / Case
: DO-214AC
Peak Pulse Power Dissipation
: 400 W
Peak Surge Current
: 13.7 A
Minimum Operating Temperature
: - 65 C
Breakdown Voltage
: 20 V
Specifications
| Part Number
| SMAJ18A |
| Power Rating (W) |
400 |
| Reverse Standoff Voltage VRWM (V) |
18 |
| Breakdown Voltage VBR Min |
20 |
| Breakdown Voltage VBR Max |
22.1 |
| Max Reverse Leakage Current IR @ VRWM Max (µA) |
5 |
| Max Clamping Voltage @ Max Peak Pulse Current VC (V) |
29.2 |
DescriptionThe features of SMAJ18A are as follows: (1)for surface mounted application; (2)low profile package; (3)built-in strain relief; (4)glass passivated junction; (5)excellent clamping capability; (6)fast response time: typically less than 1.0ps from 0V to BV min; (7)typical IR less than 1A above 10V; (8)high temperature soldering: 250/10 seconds at terminals; (9)plastic material used carries underwriters laboratory flammabillity classification 94V-O; (10)400W peak pulse power capability with a 10/1000s waveform, repetition rate: 0.01%.
The absolute maximum ratings of the SMAJ18A are: (1)peak power dissipation at TA=25, TP=1ms: minimum 400; (2)peak forward surge current, 8.3ms single half sine-wave superimposed on rated load: 40A; (3)operating and storage temperature range: -55 to +150.
The following is about the electrical characteristics of SMAJ18A: (1)working peak reverse voltage VWM: 18V; (2)breakdown voltage: 20.0V min and 22.1V max; (3)test current: 1.0mA; (4)maximum clamping voltage: 29.2V; (5)maximum peak pulse surge current: 10.7A; (6)maximum reverse leakage: 5.0A.
Parameters: | Technical/Catalog Information | SMAJ18A |
| Vendor | Littelfuse Inc |
| Category | Circuit Protection |
| Package / Case | DO-214AC, SMA |
| Packaging | Tape & Reel (TR) |
| Polarization | Unidirectional |
| Power (Watts) | 400W |
| Voltage - Reverse Standoff (Typ) | 18V |
| Voltage - Breakdown | 20V |
| Lead Free Status | Lead Free Compliant by Exemption |
| RoHS Status | RoHS Compliant |
| Other Names | SMAJ18A
SMAJ18A
SMAJ18ALFTR ND
SMAJ18ALFTRND
SMAJ18ALFTR
|
SMAJ18A Data Sheet
