Product Summary

The SMAJ51A is a Transient Voltage Suppressor. The device is suitable in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET, signal lines of sensor units for consumer, computer, industrial, automotive and telecommunication.

Parametrics

SMAJ51A absolute maixmum ratings: (1)Peak pulse power dissipation with a 10/1000 μs waveform, PPPM: 400 W; (2)Peak forward surge current 8.3 ms single half sine-wave uni-directional only, IFSM: 40 A; (3)Operating junction and storage temperature range, TJ, TSTG: - 55 to + 150℃

Features

SMAJ51A features: (1)Low profile package; (2)Ideal for automated placement; (3)Glass passivated chip junction; (4)Available in uni-directional and bi-directional; (5)400 W peak pulse power capability with a 10/1000 μs waveform, repetitive rate (duty cycle): 0.01 % (300 W above 78 V); (6)Excellent clamping capability; (7)Very fast response time; (8)Low incremental surge resistance; (9)Meets MSL level 1, per J-STD-020, LF maximum peak of 260℃; (10)Solder dip 260 ℃, 40 s; (11)Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC.

Diagrams

SMAJ51A package outline dimensions

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
SMAJ51A
SMAJ51A

Littelfuse

TVS Diodes - Transient Voltage Suppressors 51Vr 400W 4.9A 5% UniDirectional

Data Sheet

0-1: $0.24
1-10: $0.22
10-100: $0.17
100-250: $0.15
SMAJ51A/1
SMAJ51A/1

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 51V 5% Uni

Data Sheet

Negotiable 
SMAJ51A/11
SMAJ51A/11

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 51V 5% Uni

Data Sheet

Negotiable 
SMAJ51A/2F
SMAJ51A/2F

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 51V 5% Uni

Data Sheet

Negotiable 
SMAJ51A/5A
SMAJ51A/5A

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 51V 5% Uni

Data Sheet

Negotiable 
SMAJ51A/61
SMAJ51A/61

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 51V 5% Uni

Data Sheet

Negotiable 
SMAJ51A/63
SMAJ51A/63

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 51V 5% Uni

Data Sheet

Negotiable 
SMAJ51A-13-F
SMAJ51A-13-F

Diodes Inc.

TVS Diodes - Transient Voltage Suppressors 400W 51V

Data Sheet

0-3500: $0.15
3500-5000: $0.14
5000-10000: $0.13