ICP Test Report Certification Packet

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1 ICP Test Report Certification Packet Company name : Littelfuse, Inc. Product Series: Varistors Product #: VxxZXxxP Series Issue Date: May 18, 2010 It is hereby certified by Littelfuse, Inc. that there is neither RoHS (EU Directive 2002/95/EC)-restricted substance nor such use, for materials to be used for unit parts, for packing/packaging materials, and for additives and the like in the manufacturing processes. In addition, it is hereby reported to you that the parts and sub-materials, the materials to be used for unit parts, the packing/packaging materials, and the additives and the like in the manufacturing processes, are all composed of the following components. Issued by: <Environmental Data Coordinator> (1) Parts, sub-materials and unit parts This document covers the VxxZXxxP Varistor Series RoHS-Compliant series products manufactured by Littelfuse, Inc. < Raw Materials Used Please see Table 1 (2) The ICP data on all measurable substances Please see appropriate pages as identifed in Table 1 Remarks: 1 Form Rev. A 2/21/06

2 Table 1: List of Raw Materials covered by this report Total Parts Raw Material Part Number Raw Material Description Page(s) GZ/SAC305 Solder DH Disc Silver Disc SZ Copper Wire B Red Epoxy Resin MS-047 Phenolic Resin

TEST REPORT NUMBER: SZHH0039698506 APPLICANT: LITTELFUSE, INC DATE: Jun 17, 2009 800E. NORTHWEST HWY, DESPLAINES, IL 60016 ATTN: A. DIVIETRO/D.

3 TEST REPORT NUMBER: SZHH APPLICANT: LITTELFUSE, INC DATE: Jun 17, E. NORTHWEST HWY, DESPLAINES, IL ATTN: A. DIVIETRO/D. UNTIEDT SAMPLE DESCRIPTION: ONE (1) SUBMITTED SAMPLE SAID TO BE LIGHT GREY PASTE. PART DESCRIPTION : SAC305. DATE SAMPLE RECEIVED : JUN 10, DATE TEST STARTED : JUN 12, ************************************************************************************* TESTS CONDUCTED: AS REQUESTED BY THE APPLICANT, FOR DETAILS REFER TO ATTACHED PAGE(S) ************************************************************************************ AUTHORIZED BY: FOR INTERTEK TESTING SERVICES SHENZHEN LTD. KARBON M.Y. WU GENERAL MANAGER PAGE 1 OF 5

4 TEST REPORT NUMBER: SZHH TESTS CONDUCTED RoHS CHEMICAL TEST (A) TEST RESULT SUMMARY: TESTING ITEM RESULT CADMIUM (Cd) CONTENT (mg/kg) ND(<2) LEAD (Pb) CONTENT (mg/kg) 45 MERCURY (Hg) CONTENT (mg/kg) CHROMIUM (VI)(Cr 6+ ) CONTENT (mg/kg) POLYBROMINATED BIPHENYLS (PBBs)(mg/kg) MONOBROMOBIPHENYL (MonoBB) DIBROMOBIPHENYL (DiBB) TRIBROMOBIPHENYL (TriBB) TETRABROMOBIPHENYL (TetraBB) PENTABROMOBIPHENYL (PentaBB) HEXABROMOBIPHENYL (HexaBB) HEPTABROMOBIPHENYL (HeptaBB) OCTABROMOBIPHENYL (OctaBB) NONABROMOBIPHENYL (NonaBB) DECABROMOBIPHENYL (DecaBB) POLYBROMINATED DIPHENYL ETHERS (PBDEs)(mg/kg) MONOBROMODIPHENYL ETHER (MonoBDE) DIBROMODIPHENYL ETHER (DiBDE) TRIBROMODIPHENYL ETHER (TriBDE) TETRABROMODIPHENYL ETHER (TetraBDE) PENTABROMODIPHENYL ETHER (PentaBDE) HEXABROMODIPHENYL ETHER (HexaBDE) HEPTABROMODIPHENYL ETHER (HeptaBDE) OCTABROMODIPHENYL ETHER (OctaBDE) NONABROMODIPHENYL ETHER (NonaBDE) DECABROMODIPHENYL ETHER (DecaBDE) CHEMIST: LV LINNA ND(<2) ND(<1) mg/kg = MILLIGRAM PER KILOGRAM BASED ON DRY WEIGHT OF SAMPLE = ppm < = LESS THAN ND = NOT DETECTED *************************************************************************************** PAGE 2 OF 5

5 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (B) RoHS REQUIREMENT: RESTRICTED SUBSTANCES CADMIUM (Cd) LEAD (Pb) MERCURY (Hg) CHROMIUM (VI) (Cr 6+ ) POLYBROMINATED BIPHENYLS (PBBs) POLYBROMINATED DIPHENYL ETHERS (PBDEs) LIMITS 0.01% (100 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) THE ABOVE LIMITS WERE QUOTED FROM 2002/95/EC AND AMENDMENT 2005/618/EC FOR HOMOGENEOUS MATERIAL. (C) TEST METHOD: TESTING ITEM CADMIUM (Cd) CONTENT LEAD (Pb) CONTENT TESTING METHOD WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES REPORTING LIMIT 2 mg/kg 2 mg/kg MERCURY (Hg) CONTENT WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES 2 mg/kg CHROMIUM (VI)(Cr 6+ ) CONTENT POLYBROMINATED BIPHENYLS (PBBs)& POLYBROMINATED DIPHENYL ETHERS (PBDEs) WITH REFERENCE TO IEC EDITION 1.0:2008, BY ALKALINE DIGESTION AND DETERMINED BY UV-VIS SPECTROPHOTOMETER WITH REFERENCE TO IEC EDITION 1.0:2008, BY SOLVENT EXTRACTION AND DETERMINED BY GC/MS AND FURTHER HPLC CONFIRMATION WHEN NECESSARY 1 mg/kg 5 mg/kg DATE SAMPLE RECEIVED : JUN 12, 2009 TESTING PERIOD : JUN 12, 2009 TO JUN 15, 2009 ************************************************************************************** PAGE 3 OF 5

6 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (D) MEASUREMENT FLOWCHART: 1. TEST FOR Cd/Pb CONTENTS PUT WEIGHED SAMPLE INTO A SUITABLE VESSEL ADD SUITABLE ACID DIGEST SAMPLE IN VESSEL ANALYZED BY ICP-OES MADE UP WITH DEIONIZED WATER TRANSFER THE DIGESTED SOLUTION INTO A VOLUMTRIC FLASK 2. TEST FOR Hg CONTENT PUT WEIGHED SAMPLE INTO A MICROWAVE DIGESTION VESSEL CONCENTRATED NITRIC ACID, FLUOROBORIC ACID AND HYDROGEN PEROXIDE WERE ADDED DIGEST SAMPLE IN MICROWAVE DIGESTION VESSEL ANALYZED BY ICP-OES MADE UP WITH DEIONIZED WATER TRANSFER THE DIGESTED SOLUTION INTO A VOLUMTRIC FLASK ************************************************************************************ PAGE 4 OF 5

7 TEST REPORT NUMBER: SZHH TESTS CONDUCTED 3. TEST FOR CHROMIUM (VI)(Cr 6+ ) CONTENT (ALKALINE DIGESTION) WEIGH SAMPLE IN AN ERLENMEYER FLASK ADD DIGESTION SOLUTION AND CONTINUE STIRRING WHILE HEATING AT 90~95 ADJUST THE ph OF THE SOLUTION TO 7.5±0.5 AND TRANSFER THE SOLUTION TO A VOLUMETRIC FLASK ADD DIPHENYLCARBAZI DE SOLUTION AND MAKE UP WITH DEIONIZED WATER ADJUST THE ph OF THE SOLUTION TO 2.0±0.5 MAKE UP WITH DEIONIZED WATER ANALYZE THE MIXTURE BY USING UV-VIS SPECTROPHOTOMETER WITH WAVELENGTH SET AT 540 nm 4. TEST FOR PBBs/PBDEs CONTENTS WEIGH SAMPLE AND PLACE IN A THIMBLE EXTRACTED BY SOXHLET EXTRACTION WITH ORGANIC SOLVENT CONCENTRATE THE EXTRACT ANALYZE BY GC/MS AND FURTHER HPLC CONFIRMATION WHEN NECESSARY MAKE UP WITH ORGANIC SOLVENT TRANSFER THE EXTRACT INTO A VOLUMETRIC FLASK ************************************************************************************ END OF REPORT PAGE 5 OF 5

TEST REPORT NUMBER: SZHH0039698504 APPLICANT: LITTELFUSE, INC DATE: Jun 17, 2009 800E. NORTHWEST HWY, DESPLAINES, IL 60016 ATTN: A. DIVIETRO/D.

8 TEST REPORT NUMBER: SZHH APPLICANT: LITTELFUSE, INC DATE: Jun 17, E. NORTHWEST HWY, DESPLAINES, IL ATTN: A. DIVIETRO/D. UNTIEDT SAMPLE DESCRIPTION: ONE (1) SUBMITTED SAMPLE SAID TO BE DARK GREY MAGNET. TESTED COMPONENT: DARK GREY MAGNET (BIG). PART DESCRIPTION : DH BLACK DISC. DATE SAMPLE RECEIVED : JUN 10, DATE TEST STARTED : JUN 12, ************************************************************************************* TESTS CONDUCTED: AS REQUESTED BY THE APPLICANT, FOR DETAILS REFER TO ATTACHED PAGE(S) ************************************************************************************ AUTHORIZED BY: FOR INTERTEK TESTING SERVICES SHENZHEN LTD. KARBON M.Y. WU GENERAL MANAGER PAGE 1 OF 5

9 TEST REPORT NUMBER: SZHH TESTS CONDUCTED RoHS CHEMICAL TEST (A) TEST RESULT SUMMARY: TESTING ITEM CADMIUM (Cd) CONTENT (mg/kg) LEAD (Pb) CONTENT (mg/kg) MERCURY (Hg) CONTENT (mg/kg) CHROMIUM (VI)(Cr 6+ ) CONTENT (mg/kg) POLYBROMINATED BIPHENYLS (PBBs)(mg/kg) MONOBROMOBIPHENYL (MonoBB) DIBROMOBIPHENYL (DiBB) TRIBROMOBIPHENYL (TriBB) TETRABROMOBIPHENYL (TetraBB) PENTABROMOBIPHENYL (PentaBB) HEXABROMOBIPHENYL (HexaBB) HEPTABROMOBIPHENYL (HeptaBB) OCTABROMOBIPHENYL (OctaBB) NONABROMOBIPHENYL (NonaBB) DECABROMOBIPHENYL (DecaBB) POLYBROMINATED DIPHENYL ETHERS (PBDEs)(mg/kg) MONOBROMODIPHENYL ETHER (MonoBDE) DIBROMODIPHENYL ETHER (DiBDE) TRIBROMODIPHENYL ETHER (TriBDE) TETRABROMODIPHENYL ETHER (TetraBDE) PENTABROMODIPHENYL ETHER (PentaBDE) HEXABROMODIPHENYL ETHER (HexaBDE) HEPTABROMODIPHENYL ETHER (HeptaBDE) OCTABROMODIPHENYL ETHER (OctaBDE) NONABROMODIPHENYL ETHER (NonaBDE) DECABROMODIPHENYL ETHER (DecaBDE) RESULT ND(<2) ND(<2) ND(<2) ND(<1) CHEMIST: LV LINNA mg/kg = MILLIGRAM PER KILOGRAM = ppm < = LESS THAN ND = NOT DETECTED *************************************************************************************** PAGE 2 OF 5

10 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (B) RoHS REQUIREMENT: RESTRICTED SUBSTANCES CADMIUM (Cd) LEAD (Pb) MERCURY (Hg) CHROMIUM (VI) (Cr 6+ ) POLYBROMINATED BIPHENYLS (PBBs) POLYBROMINATED DIPHENYL ETHERS (PBDEs) LIMITS 0.01% (100 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) THE ABOVE LIMITS WERE QUOTED FROM 2002/95/EC AND AMENDMENT 2005/618/EC FOR HOMOGENEOUS MATERIAL. (C) TEST METHOD: TESTING ITEM CADMIUM (Cd) CONTENT LEAD (Pb) CONTENT TESTING METHOD WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES REPORTING LIMIT 2 mg/kg 2 mg/kg MERCURY (Hg) CONTENT WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES 2 mg/kg CHROMIUM (VI)(Cr 6+ ) CONTENT POLYBROMINATED BIPHENYLS (PBBs)& POLYBROMINATED DIPHENYL ETHERS (PBDEs) WITH REFERENCE TO IEC EDITION 1.0:2008, BY ALKALINE DIGESTION AND DETERMINED BY UV-VIS SPECTROPHOTOMETER WITH REFERENCE TO IEC EDITION 1.0:2008, BY SOLVENT EXTRACTION AND DETERMINED BY GC/MS AND FURTHER HPLC CONFIRMATION WHEN NECESSARY 1 mg/kg 5 mg/kg DATE SAMPLE RECEIVED : JUN 12, 2009 TESTING PERIOD : JUN 12, 2009 TO JUN 15, 2009 ************************************************************************************** PAGE 3 OF 5

11 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (D) MEASUREMENT FLOWCHART: 1. TEST FOR Cd/Pb CONTENTS PUT WEIGHED SAMPLE INTO A SUITABLE VESSEL ADD SUITABLE ACID DIGEST SAMPLE IN VESSEL ANALYZED BY ICP-OES MADE UP WITH DEIONIZED WATER TRANSFER THE DIGESTED SOLUTION INTO A VOLUMTRIC FLASK 2. TEST FOR Hg CONTENT PUT WEIGHED SAMPLE INTO A MICROWAVE DIGESTION VESSEL CONCENTRATED NITRIC ACID, FLUOROBORIC ACID AND HYDROGEN PEROXIDE WERE ADDED DIGEST SAMPLE IN MICROWAVE DIGESTION VESSEL ANALYZED BY ICP-OES MADE UP WITH DEIONIZED WATER TRANSFER THE DIGESTED SOLUTION INTO A VOLUMTRIC FLASK ************************************************************************************ PAGE 4 OF 5

12 TEST REPORT NUMBER: SZHH TESTS CONDUCTED 3. TEST FOR CHROMIUM (VI)(Cr 6+ ) CONTENT (ALKALINE DIGESTION) WEIGH SAMPLE IN AN ERLENMEYER FLASK ADD DIGESTION SOLUTION AND CONTINUE STIRRING WHILE HEATING AT 90~95 ADJUST THE ph OF THE SOLUTION TO 7.5±0.5 AND TRANSFER THE SOLUTION TO A VOLUMETRIC FLASK ADD DIPHENYLCARBAZI DE SOLUTION AND MAKE UP WITH DEIONIZED WATER ADJUST THE ph OF THE SOLUTION TO 2.0±0.5 MAKE UP WITH DEIONIZED WATER ANALYZE THE MIXTURE BY USING UV-VIS SPECTROPHOTOMETER WITH WAVELENGTH SET AT 540 nm 4. TEST FOR PBBs/PBDEs CONTENTS WEIGH SAMPLE AND PLACE IN A THIMBLE EXTRACTED BY SOXHLET EXTRACTION WITH ORGANIC SOLVENT CONCENTRATE THE EXTRACT ANALYZE BY GC/MS AND FURTHER HPLC CONFIRMATION WHEN NECESSARY MAKE UP WITH ORGANIC SOLVENT TRANSFER THE EXTRACT INTO A VOLUMETRIC FLASK ************************************************************************************ END OF REPORT PAGE 5 OF 5

TEST REPORT NUMBER: SZHH0039701004 APPLICANT: LITTELFUSE, INC DATE: Jun 17, 2009 800E. NORTHWEST HWY, DESPLAINES, IL 60016 ATTN: A. DIVIETRO/D.

18 TEST REPORT NUMBER: SZHH APPLICANT: LITTELFUSE, INC DATE: Jun 17, E. NORTHWEST HWY, DESPLAINES, IL ATTN: A. DIVIETRO/D. UNTIEDT SAMPLE DESCRIPTION: ONE (1) SUBMITTED SAMPLE SAID TO BE LIGHT RED POWDER. PART DESCRIPTION : RED EPOXY RESIN 9544B. DATE SAMPLE RECEIVED : JUN 10, DATE TEST STARTED : JUN 12, ************************************************************************************* TESTS CONDUCTED: AS REQUESTED BY THE APPLICANT, FOR DETAILS REFER TO ATTACHED PAGE(S) ************************************************************************************ AUTHORIZED BY: FOR INTERTEK TESTING SERVICES SHENZHEN LTD. KARBON M.Y. WU GENERAL MANAGER PAGE 1 OF 7

19 TEST REPORT NUMBER: SZHH TESTS CONDUCTED 1 RoHS CHEMICAL TEST (A) TEST RESULT SUMMARY: TESTING ITEM CADMIUM (Cd) CONTENT (mg/kg) LEAD (Pb) CONTENT (mg/kg) MERCURY (Hg) CONTENT (mg/kg) CHROMIUM (VI)(Cr 6+ ) CONTENT (mg/kg) POLYBROMINATED BIPHENYLS (PBBs)(mg/kg) MONOBROMOBIPHENYL (MonoBB) DIBROMOBIPHENYL (DiBB) TRIBROMOBIPHENYL (TriBB) TETRABROMOBIPHENYL (TetraBB) PENTABROMOBIPHENYL (PentaBB) HEXABROMOBIPHENYL (HexaBB) HEPTABROMOBIPHENYL (HeptaBB) OCTABROMOBIPHENYL (OctaBB) NONABROMOBIPHENYL (NonaBB) DECABROMOBIPHENYL (DecaBB) POLYBROMINATED DIPHENYL ETHERS (PBDEs)(mg/kg) MONOBROMODIPHENYL ETHER (MonoBDE) DIBROMODIPHENYL ETHER (DiBDE) TRIBROMODIPHENYL ETHER (TriBDE) TETRABROMODIPHENYL ETHER (TetraBDE) PENTABROMODIPHENYL ETHER (PentaBDE) HEXABROMODIPHENYL ETHER (HexaBDE) HEPTABROMODIPHENYL ETHER (HeptaBDE) OCTABROMODIPHENYL ETHER (OctaBDE) NONABROMODIPHENYL ETHER (NonaBDE) DECABROMODIPHENYL ETHER (DecaBDE) RESULT ND(<2) ND(<2) ND(<2) ND(<1) CHEMIST: LV LINNA mg/kg = MILLIGRAM PER KILOGRAM = ppm < = LESS THAN ND = NOT DETECTED *************************************************************************************** PAGE 2 OF 7

20 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (B) RoHS REQUIREMENT: RESTRICTED SUBSTANCES CADMIUM (Cd) LEAD (Pb) MERCURY (Hg) CHROMIUM (VI) (Cr 6+ ) POLYBROMINATED BIPHENYLS (PBBs) POLYBROMINATED DIPHENYL ETHERS (PBDEs) LIMITS 0.01% (100 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) 0.1% (1000 ppm) THE ABOVE LIMITS WERE QUOTED FROM 2002/95/EC AND AMENDMENT 2005/618/EC FOR HOMOGENEOUS MATERIAL. (C) TEST METHOD: TESTING ITEM CADMIUM (Cd) CONTENT LEAD (Pb) CONTENT TESTING METHOD WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES REPORTING LIMIT 2 mg/kg 2 mg/kg MERCURY (Hg) CONTENT WITH REFERENCE TO IEC EDITION 1.0:2008, BY ACID DIGESTION AND DETERMINED BY ICP - OES 2 mg/kg CHROMIUM (VI)(Cr 6+ ) CONTENT POLYBROMINATED BIPHENYLS (PBBs)& POLYBROMINATED DIPHENYL ETHERS (PBDEs) WITH REFERENCE TO IEC EDITION 1.0:2008, BY ALKALINE DIGESTION AND DETERMINED BY UV-VIS SPECTROPHOTOMETER WITH REFERENCE TO IEC EDITION 1.0:2008, BY SOLVENT EXTRACTION AND DETERMINED BY GC/MS AND FURTHER HPLC CONFIRMATION WHEN NECESSARY 1 mg/kg 5 mg/kg DATE SAMPLE RECEIVED : JUN 12, 2009 TESTING PERIOD : JUN 12, 2009 TO JUN 17, 2009 ************************************************************************************** PAGE 3 OF 7

21 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (D) MEASUREMENT FLOWCHART: 1. TEST FOR Cd/Pb CONTENTS PUT WEIGHED SAMPLE INTO A SUITABLE VESSEL ADD SUITABLE ACID DIGEST SAMPLE IN VESSEL ANALYZED BY ICP-OES MADE UP WITH DEIONIZED WATER TRANSFER THE DIGESTED SOLUTION INTO A VOLUMTRIC FLASK 2. TEST FOR Hg CONTENT PUT WEIGHED SAMPLE INTO A MICROWAVE DIGESTION VESSEL CONCENTRATED NITRIC ACID, FLUOROBORIC ACID AND HYDROGEN PEROXIDE WERE ADDED DIGEST SAMPLE IN MICROWAVE DIGESTION VESSEL ANALYZED BY ICP-OES MADE UP WITH DEIONIZED WATER TRANSFER THE DIGESTED SOLUTION INTO A VOLUMTRIC FLASK ************************************************************************************ PAGE 4 OF 7

22 TEST REPORT NUMBER: SZHH TESTS CONDUCTED 3. TEST FOR CHROMIUM (VI)(Cr 6+ ) CONTENT (ALKALINE DIGESTION) WEIGH SAMPLE IN AN ERLENMEYER FLASK ADD DIGESTION SOLUTION AND CONTINUE STIRRING WHILE HEATING AT 90~95 ADJUST THE ph OF THE SOLUTION TO 7.5±0.5 AND TRANSFER THE SOLUTION TO A VOLUMETRIC FLASK ADD DIPHENYLCARBAZI DE SOLUTION AND MAKE UP WITH DEIONIZED WATER ADJUST THE ph OF THE SOLUTION TO 2.0±0.5 MAKE UP WITH DEIONIZED WATER ANALYZE THE MIXTURE BY USING UV-VIS SPECTROPHOTOMETER WITH WAVELENGTH SET AT 540 nm 4. TEST FOR PBBs/PBDEs CONTENTS WEIGH SAMPLE AND PLACE IN A THIMBLE EXTRACTED BY SOXHLET EXTRACTION WITH ORGANIC SOLVENT CONCENTRATE THE EXTRACT ANALYZE BY GC/MS AND FURTHER HPLC CONFIRMATION WHEN NECESSARY MAKE UP WITH ORGANIC SOLVENT TRANSFER THE EXTRACT INTO A VOLUMETRIC FLASK ************************************************************************************ PAGE 5 OF 7

23 TEST REPORT NUMBER: SZHH TESTS CONDUCTED 2 (Ⅰ) TEST RESULT SUMMARY : HALOGEN CONTENT : TESTING ITEM RESULT (ppm) FLUORINE (F) CONTENT 84 CHLORINE (Cl) CONTENT 594 BROMINE (Br) CONTENT IODINE (I) CONTENT ND REMARKS : ppm ND = PARTS PER MILLION = NOT DETECTED (Ⅱ) TEST METHOD : TESTING ITEM TESTING METHOD REPORTING LIMIT HALOGEN (F, Cl, Br, I) CONTENT WITH REFERENCE TO BS EN 14582:2007 BY CALORIMETRIC BOMB AND DETERMINED BY ION CHROMATOGRAPHY 50 ppm REMARK : REPORTING LIMIT = QUANTITATION LIMIT OF ANALYTE IN SAMPLE DATE SAMPLE RECEIVED : JUN 12, 2009 TESTING PERIOD : JUN 12, 2009 TO JUN 16, 2009 ************************************************************************************** PAGE 6 OF 7

24 TEST REPORT NUMBER: SZHH TESTS CONDUCTED (Ⅲ) MEASUREMENT FLOWCHART: TEST FOR HALOGEN CONTENT REFERENCE METHOD: BS EN 14582:2007 SAMPLING/GRINDING OR CUTTING ADD ABSORBENT IN A CALORIMETRIC BOMB & PLACE WEIGHED SAMPLE IN THE CALORIMETRIC BOMB FILL THE CALORIMETRIC BOMB WITH OXYGEN IGNITE THEN LEAVE THE CALORIMETRIC BOMB AT ROOM TEMPERATURE ANY TEST SPECIMEN IN THE CALORIMETRIC BOMB? YES NO TRANSFER THE ABSORBENT INTO A VOLUMETRIC FLASK MAKE UP WITH DEIONIZED WATER ANALYZED BY ION CHROMATOGRAPHY ************************************************************************************ END OF REPORT PAGE 7 OF 7

ICP Test Report Certification Packet

Company Name: Littelfuse, Inc. ICP Test Report Certification Packet Product Type: Surface Mount Varistors Product Series: CH Series RoHS Compliant Models Issue Date: June 4, 2010 It is hereby certified