Datasheets
CD143A-SR70 by: Bourns Inc

Trans Voltage Suppressor Diode, 70V V(RWM), Unidirectional, 4 Element, Silicon, ROHS COMPLIANT PACKAGE-4

Part Details for CD143A-SR70 by Bourns Inc

Results Overview of CD143A-SR70 by Bourns Inc

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

CD143A-SR70 Information

CD143A-SR70 by Bourns Inc is a Transient Suppressor.
Transient Suppressors are under the broader part category of Diodes.

A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.

Price & Stock for CD143A-SR70

Part # Distributor Description Stock Price Buy
DISTI # 79R6091
Newark Diode, Unidir Tvs, 2 Line, 70V, Sot-143, Clamping Voltage Vc Max:7V, Diode Case Style:Sot-143, No. Of Pins:4Pins, Operating Voltage:70V, Power Dissipation Pd:-, Product Range:Cd143A Series, Automotive Qualification Standard:- Rohs Compliant: Yes |Bourns CD143A-SR70 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 6668
  • 1 $0.8840
  • 10 $0.7420
  • 25 $0.6940
  • 50 $0.6470
  • 100 $0.5990
  • 500 $0.5090
$0.5090 / $0.8840 Buy Now
DISTI # 70410850
RS A 70V, 24A, Quad Uni-Directional , 4-Pin SOT-143 pkg, TVS Diode Array | Bourns CD143A-SR70 RoHS: Compliant Min Qty: 10 Package Multiple: 1 Container: Bulk 0
  • 10 $0.6500
  • 100 $0.6200
  • 500 $0.5900
  • 1,000 $0.5600
$0.5600 / $0.6500 RFQ
Bristol Electronics   5513
RFQ
Bristol Electronics   37
RFQ
DISTI # CD143A-SR70
TME Diode: TVS array, SOT143, reel,tape Min Qty: 1 0
  • 1 $0.7210
  • 10 $0.6490
  • 100 $0.5730
  • 250 $0.5180
  • 1,000 $0.4840
  • 3,000 $0.4500
  • 6,000 $0.4300
$0.4300 / $0.7210 RFQ
DISTI # CD143A-SR70
Avnet Abacus ESD Suppressor Diode Arrays �15KV 4-Pin(3+Tab) SOT-143 - Tape and Reel (Alt: CD143A-SR70) RoHS: Compliant Min Qty: 12000 Package Multiple: 3000 Lead time: 13 Weeks, 0 Days Container: Reel Abacus - 0
Buy Now

Part Details for CD143A-SR70

CD143A-SR70 CAD Models

CD143A-SR70 Part Data Attributes

CD143A-SR70 Bourns Inc
Buy Now Datasheet
Compare Parts:
CD143A-SR70 Bourns Inc Trans Voltage Suppressor Diode, 70V V(RWM), Unidirectional, 4 Element, Silicon, ROHS COMPLIANT PACKAGE-4
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer BOURNS INC
Package Description ROHS COMPLIANT PACKAGE-4
Pin Count 4
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Samacsys Manufacturer Bourns
Breakdown Voltage-Min 85 V
Case Connection ANODE
Configuration COMPLEX
Diode Element Material SILICON
Diode Type TRANS VOLTAGE SUPPRESSOR DIODE
JESD-30 Code R-PDSO-G4
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 4
Number of Terminals 4
Operating Temperature-Max 150 °C
Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Polarity UNIDIRECTIONAL
Qualification Status Not Qualified
Rep Pk Reverse Voltage-Max 70 V
Reverse Current-Max 1 µA
Reverse Test Voltage 70 V
Surface Mount YES
Technology AVALANCHE
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

Alternate Parts for CD143A-SR70

This table gives cross-reference parts and alternative options found for CD143A-SR70. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of CD143A-SR70, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
SR70-LF ProTek Devices Check for Price Trans Voltage Suppressor Diode, Unidirectional, 4 Element, Silicon, ROHS AND REACH COMPLIANT, PLASTIC PACKAGE-4 CD143A-SR70 vs SR70-LF
Part Number Manufacturer Composite Price Description Compare
SR70-T7 ProTek Devices Check for Price Trans Voltage Suppressor Diode, 70V V(RWM), Unidirectional, 4 Element, Silicon, PLASTIC PACKAGE-4 CD143A-SR70 vs SR70-T7
SR70-LF-T7 ProTek Devices Check for Price Trans Voltage Suppressor Diode, 70V V(RWM), Unidirectional, 4 Element, Silicon, ROHS AND REACH COMPLIANT, PLASTIC PACKAGE-4 CD143A-SR70 vs SR70-LF-T7
SR70-TP Micro Commercial Components Check for Price Trans Voltage Suppressor Diode, 70V V(RWM), Unidirectional, 4 Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-4 CD143A-SR70 vs SR70-TP
SR70-02CTG Littelfuse Inc $0.5223 Trans Voltage Suppressor Diode, 70V V(RWM), Unidirectional, 4 Element, Silicon, TO-253AA, TO-253, 4 PIN CD143A-SR70 vs SR70-02CTG

CD143A-SR70 Related Parts

CD143A-SR70 Frequently Asked Questions (FAQ)

  • Bourns provides a recommended PCB layout and land pattern in their application notes. It's essential to follow these guidelines to ensure proper thermal management, minimize parasitic inductance, and optimize performance.

  • To select the correct current rating, consider the maximum current required by your load, as well as any potential inrush currents or surges. Consult the datasheet for current rating options and consult with a Bourns representative if needed.

  • For high-power applications, ensure proper heat sinking and thermal management. The CD143A-SR70 has a thermal resistance of 2.5°C/W. Consider using a heat sink, thermal interface material, and ensuring good airflow to maintain a safe operating temperature.

  • Yes, the CD143A-SR70 is designed to meet CISPR 25 Class 5 emissions standards. However, it's essential to follow proper PCB layout and design practices to minimize EMI/EMC issues. Consult the datasheet and application notes for guidance.

  • Handle the CD143A-SR70 with care to prevent mechanical damage. Store them in a dry, cool place, away from direct sunlight and moisture. Follow standard ESD precautions when handling the components.

Share by Email

Something went wrong!
Please enter a valid e-mail address
Email sent!
Recipient Email:
Add a recipient
Hello!

We are passing along some cool findings on Findchips sent to you from .

The data is for CD143A-SR70 by Bourns Inc.
They’ve also added a data comparison to this page with by .


Click on the link below to check it out on Findchips.com.

Update Alert Settings for: CD143A-SR70 by Bourns Inc

Select Manufacturer
Which Manufacturer of CD143A-SR70 would you like to use for your alert(s)?
  • Please alert me when CD143A-SR70 inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for CD143A-SR70 alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
  • Please alert me when the single part price for CD143A-SR70 to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for CD143A-SR70 alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for CD143A-SR70.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare CD143A-SR70 by Bourns Inc

Select a part to compare:
Part Number Manufacturer Description
No result found.
Something went wrong!
Or search for a different part: