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  ON Semiconductor Electronic Components Datasheet  

DF3A6.8FUT1 Datasheet

Zener Transient Voltage Suppressor

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DF3A6.8FUT1
Preferred Device
Zener Transient Voltage
Suppressor
Dual Common Anode Zeners for ESD
Protection
These dual monolithic silicon zener diodes are designed for
applications requiring transient overvoltage protection capability. They
are intended for use in voltage and ESD sensitive equipment such as
computers, printers, business machines, communication systems,
medical equipment and other applications. Their dual junction common
anode design protects two separate lines using only one package. These
devices are ideal for situations where board space is at a premium.
Features
Pb−Free Package is Available
SC−70 Package Allows Two Separate Unidirectional Configurations
Low Leakage < 1.0 mA @ 5.0 V
Breakdown Voltage: 6.4−7.2 V @ 5.0 mA
ESD Protection Meeting:16 kV Human Body Model
30 kV Contact = IEC61000−4−2
Peak Power: 24 W @ 1.0 ms (Unidirectional), per Figure 1
Peak Power: 150 W @ 20 ms (Unidirectional), per Figure 2
Mechanical Characteristics
Void Free, Transfer−Molded, Thermosetting Plastic Case
Corrosion Resistant Finish, Easily Solderable
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
MAXIMUM RATINGS
Rating
Symbol Value Unit
Steady State Power Dissipation
Derate above 25°C (Note 1)
PD 200 °mW°
1.6 mW/°C
Thermal Resistance Junction−to−Ambient
Operating Junction and Storage
Temperature Range
RqJA
TJ, Tstg
618
− 55 to
+150
°C/W
°C
Peak Power Dissipation @ 1.0 ms
(Note 2) @ TA = 25°C
PPK 20
W
Peak Power Dissipation @ 20 ms (Note 3)
@ TA = 25°C
PPK
150
W
ESD Discharge
MIL STD 883C − Method 3015−6
IEC61000−4−2, Air Discharge
IEC61000−4−2, Contact Discharge
VPP kV
16
30
30
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits
are exceeded, device functional operation is not implied, damage may occur
and reliability may be affected.
1. Mounted on FR−5 Board = 1.0 X 0.75 X 0.062 in.
2. Non−repetitive pulse per Figure 1.
3. Non−repetitive pulse per Figure 2.
© Semiconductor Components Industries, LLC, 2004
July, 2004 − Rev. 1
1
http://onsemi.com
1
3
2
1
2
SC−70/SOT−323
CASE 419
STYLE 4
68
M
MARKING
DIAGRAM
68
= Specific Device Code
= Date Code
ORDERING INFORMATION
Device
Package
Shipping
DF3A6.8FUT1
SC−70 3000/Tape & Reel
DF3A6.8FUT1G SC−70 3000/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Preferred devices are recommended choices for future use
and best overall value.
Publication Order Number:
DF3A6.8FUT1/D


  ON Semiconductor Electronic Components Datasheet  

DF3A6.8FUT1 Datasheet

Zener Transient Voltage Suppressor

No Preview Available !

DF3A6.8FUT1 pdf
DF3A6.8FUT1
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted)
UNIDIRECTIONAL (Circuit tied to Pins 1 and 3 or 2 and 3)
Symbol
Parameter
VRWM
IR
VBR
IT
IF
VF
ZZT
ZZK
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ VRWM
Breakdown Voltage @ IT
Test Current
Forward Current
Forward Voltage @ IF
Maximum Zener Impedance @ IZT
Maximum Zener Impedance @ IZK
I
IF
VC VBR VRWM
IIRT VF
IPP
Uni−Directional TVS
V
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
UNIDIRECTIONAL (Circuit tied to Pins 1 and 3 or 2 and 3)
Parameter
Symbol
Conditions
Min Typ Max Unit
Forward Voltage
Zener Voltage (Note 4)
Operating Resistance (Note 5)
Reverse Current
Clamping Voltage
VF IF = 10 mA
0.8 0.9
V
VZ IZT = 5 mA
6.4 6.8 7.2
V
ZZK IZK = 0.5 mA
200 W
ZZT IZT = 5 mA
50 W
IR1 VRWM = 5 V
0.5 mA
VC IPP = 2.0 A (Figure 1)
IPP = 9.37 A (Figure 2)
9.6 V
16 V
ESD Protection
Human Body Model (HBM)
Contact − IEC61000−4−2
Air Discharge
kV
16
30
30
4. VZ measured at pulse test current IZT at an ambient temperature of 25°C.
5. ZZT and ZZK is measured by dividing the AC voltage drop across the device by the AC current supplied. AC frequency = 1.0 kHz.
http://onsemi.com
2


Part Number DF3A6.8FUT1
Description Zener Transient Voltage Suppressor
Maker ON Semiconductor
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