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000950 MD1332F DM74A MC3448A IDT72 1A221M 19500230 BA3402
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 Preliminary
Semiconductor
ND171
ESD Protection Diode
Features
* Transient protection for data lines to IEC 61000-4-2(ESD) 15KV(air), 8KV(contact) * Small package for use in portable electronics
Applications
* ESD Protection
Ordering Information
Type NO. ND171 Marking U Package Code SOD-923
Outline Dimensions
unit : mm
0.90~1.10
0.27 Max.
0.75~0.85
0.55~0.65
0.36~0.42
0.15 Max.
0.05 Max. 0.36~0.43
2 1
PIN Connections 1. Anode 2. Cathode
Preliminary
1
Preliminary
ND171
Absolute Maximum Ratings
Characteristic
Peak pulse power ( tp = 8/20 ) Power dissipation Junction temperature Operating temperature range Storage temperature range
Ta=25C
Symbol
PPK PD Tj Topr Tstg
Rating
40 150 150 -55 ~ +125 -55 ~ +150
Unit
W mW C C C
Electrical Characteristics
Characteristic
Zener voltage Reverse current Forward voltage ESD Voltage
Ta=25C
Symbol
VZ IR VF Cj IZ=1mA
Test Condition
VR=3.5V IF=50mA C=150pF, R=330 (Repeat by 10 times) VR=0V, f=1MHz Contact Air
Min. Typ. Max.
6.5 8 15 0.9 30 7.5 0.5 1.2 -
Unit
V V KV pF
(IEC61000-4-2)
Junction capacitance
Recommend PCB solder land (Unit : mm)
Preliminary
2
Preliminary
ND171
Fig. 1 VZ-IZ Fig. 2 IR-VR
Fig. 3 Cj-VR
The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. Preliminary 3


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