1 Sep, 1st, 2014 RE: LFPCN41220 To: Our Valued Customers. From: Littelfuse Product Management Team Subject: Littelfuse DO-214AC Package Process Upgrade matrix lead-frame design Similar to LFPCN41196 issued last year in which Littelfuse migrated DO-214AB package from single strip design to matrix lead frame design ( Automation Structure ), This PCN is to upgrade another package DO-214AC to be matrix lead-frame design. This new matrix design in DO-214AC packages will allow Littelfuse to align the same matrix structure design using among full DO-214AC series products, existing DO- 214AA as well as DO-214AB products. The matrix lead frame structure design will contribute great improvement in terms of automation, quality, productivity increasing as well as capacity expansion The scope of change will cover full DO-214AC packages from Semiconductor Business Unit (SBU) products including SIDACTor devices, SIDAC and Commodity TVS, Please refer to attachment for details and affected PNs. There are no changes to fit, form, and function of the finished product. Qualification efforts are completed. Please see the attached documentation All affected products have been fully qualified in accordance with established performance and reliability criteria. The attached pages summarize the qualification results. Full qualification data and/or samples will be available upon request. Form, Fit, Function Changes: None Part Number Changes: None Effective Date: Dec, 1 st, 2014 Replacement Products: N/A Last Time Buy: N/A If you have any other question or concerns, please contact Littelfuse local sales representative, or Meng Wang, Assistant Product Manager for further assistance. We highly value your business and look forward to assisting you whenever possible. Best Regards, Meng Wang Jia Zhu Assistant Product Manager Assistant Product Manager Commodity TVS and SIDACTor SIDAC Tel: ext 7955 Tel : Ext
2 800 E. Northwest Highway Des Plaines, IL Product/Process Change Notice (PCN) PCN#: LFPCN41220 Date: Sep 1 st 2014 Contact Information Product Identification: Name: Meng Wang DO-214AC Package Products Implementation Date for Change: Title: Assistant Product Manager Phone #: Dec 1 st 2014 Fax#: Category of Change: Assembly Process Data Sheet Technology Discontinuance/Obsolescence Equipment Manufacturing Site Description of Change: Through this PCN after upgrading DO-214AC to Matrix Lead frame design. Littelfuse upgraded all DO-214 package products among Semiconductor Business Unit (SBU) surface mount type to matrix lead frame design, which is more efficient, better product repeatiblity, and better uniform through automation, thus Littelfuse can deliver more reliable device to customer. Raw Material Testing Fabrication Process Littelfuse will begin to implement this upgrade in Dec 1 st 2014 and followed migrations period and will be fully Matrix lead frame structure Other: by June 30 th 2015 Important Dates: Qualification Samples Available: Sep 1 th 2014 Last Time Buy: N/A Final Qualification Data Available: Sep 1 th 2014 Date of Final Product Shipment: N/A Method of Distinguishing Changed Product Product Mark, N/A Date Code, 4Lxxx Other, Demonstrated or Anticipated Impact on Form, Fit, Function or : N/A LF Qualification Plan/Results: availabe on Sep 1 th 2014, see attached next page Customer Acknowledgement of Receipt: Littelfuse requests you acknowledge receipt of this PCN. In your acknowledgement, you can grant approval or request additional information. Littelfuse will assume the change is acceptable if no acknowledgement is received within 30 days of this notice. Lack of any additional response within 90 days of PCN issuance further constitutes acceptance of the change.
3 Littelfuse, WX East 1# Zhen Fa 6 Road Shuo Fang Industrial Park Wuxi, Jiangsu Product Qualification Report To: From: Those who may concern Product Engineering, Littelfuse, WX Date: Aug. 27, Rev 0.0 Subject: Purpose: Qualification Report for Littelfuse TVS/SIDACtor/SIDAC DO-214AC Matrix lead frame Structure This report is to inform the successful LF Commodity TVS/SIDACtor/SIDAC DO-214AC Matrix lead frame Structure qualification test results Change demonstration
4 1. Qualification Types ( Test Vehicle) Product Package Product Series Representative Test Sample Part Numbers DO-214AC TVS SIDACtor SIDAC SMAJ70CA SMAJ300A P4SMA300A SMAJ300CA SMAJ5.0A P833P0080S1BLRP P3100S1BLRP K2000S1URP 2. Qualification Test Items and Result Summary: SIDACTor Test Category Description Sample P/N Sample Littelfuse Qty test Ref# Electrical P833P0080S1BLRP Parameters P3100S1BLRP Parametric surge out 8*20us surge out 10*700us surge out 10*1000us Pre-condition P833P0080S1BLRP P3100S1BLRP P833P0080S1BLRP P3100S1BLRP P833P0080S1BLRP P3100S1BLRP P833P0080S1BLRP P3100S1BLRP Contents/Conditions VBO. Vdrm, IH, VT +/- hit, from rated Ipp, 0.1Ipp step +/- hit, from rated Ipp, 0.1Ipp step +/- hit, from rated Ipp, 0.1Ipp step SMD qualification parts for TC,AC,H3TRB Result Summary 100% meet published spec. Follow JESD22-A113D DC/AC Blocking (HTRB) P833P0080S1BLRP P3100S1BLRP , 24h at +/-80%Vdrm, AC blocking test with AC peak 80% Vdrm 168/504/1008h HTSL Temp Cycle 100cycles, -65 C & +150 C, 168/504/1008 hours at Tj = 85C/85% RH with device reverse (H3TRB) biased at 80% VDRM and not exceed 52V. Autoclave TA = 121, RH =100% 48/96h MSL RSH P833P0080S1BLRP P3100S1BLRP P833P0080S1BLRP P3100S1BLRP /504/1008h at 150 C +preconditioning Per JEDEC-J-STD-020C, Level1 260, 10 seconds*3 full submerge 0 failure Pass Pass 0% failure after RSH
5 TVS: Test Category Description Sample P/N Sample Qty Littelfuse test Ref# Contents/Conditions SMAJ70CA SMAJ300A P4SMA300A Parametri SMAJ300CA c Electrical Parameters SMAJ5.0A VBR, IR SMAJ70CA SMAJ300A P4SMA300A Surge SMAJ300CA test 10X1000us Surge Test SMAJ5.0A /- 1 hit, at rated SMAJ70CA SMAJ300A P4SMA300A SMD qualification SMAJ300CA parts for Pre-condition (PC) SMAJ5.0A TC,AC,H3TRB SMAJ300CA , DC bias=100% DC Blocking (HTRB) SMAJ5.0A of VR spec High Temp Storage SMAJ300CA (HTSL) SMAJ5.0A , no bias Biased Temp & SMAJ300CA , 85%,RH DC Humidity (H3TRB) SMAJ5.0A bias=100% of VR spec SMAJ300CA &150 (air to Temp Cycle SMAJ5.0A air) SMAJ300CA TA = 121, RH Test Autoclave SMAJ5.0A =100%, 15psig SMAJ300CA MSL SMAJ5.0A Test Result Summary 100% meet published spec. 100% passing at Rated Follow JESD22- A113D, 0 failure Follow JESD22-A108, rs Follow JESD22-A103, rs Follow JESD22-A101, rs Follow JESD22-A104, 0 failure at 1000cycles Follow JESD22-A102, 0 failure at 96hrs Follow JEDEC J-STD- 020D, MSL 1 Pass RSH 260, 10 seconds Follow JESD22-B106
6 SIDAC: Sample Littelfuse Test Category Description Sample P/N Contents/Conditions Standard Result Summary Qty test Ref# Electrical K2000S1URP VBO. Vdrm, IH, VT 100% meet published Parametric ITRM K2000S1URP TA 125 C, 168hr, ITRM = 160A+10/-0Apeak, 5Hz, 10usec Pulse width pass ITSM K2000S1URP hz, Single cycle test from rated Ipp, 0.1Ipp step Pre-condition K2000S1URP SMD qualification parts for TC,AC,H3TRB JESD22-A113D pass AC Blocking (HTRB) K2000S1URP , Vpk=Vdrm 168/504/1008h JESD22- A108 HTSL K2000S1URP /504/1008h at 150 C JESD22-A103 Temp Cycle K2000S1URP H3TRB K2000S1URP RSH K2000S1URP cycles, -40 C & +150 C, dwell time 15mins, transfer time less than 10sec H3TRB, 85 C, 85%RH, +DC at 80%VBO min, 1,008hr No preheating Bath 260 C, full submerge 10 sec x 2 time JESD22-A104 JESD22-A101 JESD22- B106 0 failure 0% failure after RSH 3. MTBF Calculation Estimate of Failure Rate, MTBF, FITS for a Given Operation Temperature (See note) Temp % FR/khrs MTBF (K) FITS Note: The Mean-Time-Between-Failure (MTBF) in hours and the percent failure rate per 1000 hours (%FR/khr) are computed at a 60% confidence level using the chi square method and the Arrhenius derating model for various junction operating temperatures. For the calculations, a value of 1 ev was used for the activation energy. 4. Conclusion According to the above qualification test results, Littelfuse concluded that TVS/SIDACtor/SIDAC DO-214AC Matrix lead frame structure have passed Qualification test at WTC Lab, which is approved to release for mass production.
8755 W. Higgins Road Suite 500 Chicago, Illinois USA 60631 June 11, 2015 To whom it may concern: This is to notify you that Littelfuse has accomplished a lead frame design enhancement for Thyristor TO218
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