SMAJ51A

Capacitance :
Polarity : Unidirectional
Termination Style : SMD/SMT
Maximum Operating Temperature : + 150 C
Packaging : Reel
Channels : 1 Channel
Package / Case : DO-214AC
Peak Pulse Power Dissipation : 400 W
Clamping Voltage : 82.4 V
Operating Voltage : 51 V
Breakdown Voltage : 56.7 V
Peak Surge Current : 4.9 A
Minimum Operating Temperature : - 65 C


Features:

Optimized for LAN protection applications
Ideal for ESD protection of data lines in accordance with IEC 1000-4-2 (IEC801-2)
Ideal for EFT protection of data lines in accordance with IEC1000-4-4 (IEC801-4)
Plastic package has Underwriters Laboratory Flammability Classification 94V-0
Glass passivated junction
Excellent clamping capability
Low incremental surge resistance
Fast response time: typically less than 1.0ps from 0 Volts to V_(BR) min.
300W peak pulse power capability with a 10/1000s waveform, repetition rate (duty cycle): 0.01%
High temperature soldering guaranteed:250°C/10 seconds at terminals




Application

For bi-directional use suffix C or CA for types SMAJ5.0 thru SMAJ170 (e.g. SMAJ5.0C, SMAJ170CA)
Electrical characteristics apply in both directions.




Specifications

RATINGS	SYMBOL	VALUE	UNITS
Peak pulse power dissipation with a 10/1000s waveform	PPM	Minimum 300	Watts
Peak pulse current with a 10/1000s waveform	IPPM	SEE TABLE 1	Amps
Peak Forward Surge Current at 8.3ms Single Half Sine-Wave superimposed on rated load (JEDEC method)- unidirectional only	IFSM	40	Amps
Maximum Instantenous Forward Voltage at 25.0A for	VF	3.5	Volts
Operating and Storage Temperature Range	TJ , TSTG	-55 to +150

Part Number	SMAJ51A
Power Rating (W)	400
Reverse Standoff Voltage VRWM (V)	51
Breakdown Voltage VBR Min	56.7
Breakdown Voltage VBR Max	62.7
Max Reverse Leakage Current IR @ VRWM Max (µA)	5
Max Clamping Voltage @ Max Peak Pulse Current VC (V)	82.4

Parameters:

Technical/Catalog Information	SMAJ51A
Vendor	Littelfuse Inc (VA)
Category	Circuit Protection
Package / Case	DO-214AC, SMA
Packaging	Digi-Reel?
Polarization	Unidirectional
Power (Watts)	400W
Voltage - Reverse Standoff (Typ)	51V
Voltage - Breakdown	56.7V
Lead Free Status	Lead Free Compliant by Exemption
RoHS Status	RoHS Compliant
Other Names	SMAJ51A SMAJ51A SMAJ51ALFDKR ND SMAJ51ALFDKRND SMAJ51ALFDKR