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IPC-4101 Reference Chart
The table below is taken from IPC-4101 Specification for Base Materials for Rigid and Multilayer Printed Boards. The U.S. Department of Defense has adopted this specification upon cancellation
of MIL-S-13949. Although the specification itself includes additional information, the table below will help identify certain laminates and their characteristics. If more information is required, you should contact the IPC
IPC Spec. Reinforcement Resin System ID Ref. Tg oC Dk@1Mhz
IPC-4101/00 Cellulose Paper Phenolic NEMA XPC N/A 5.6 IPC-4101/01 Cellulose Paper Modified Phenolic NEMA XXXPC N/A 4.8 IPC-4101/02 Cellulose Paper Phenolic, Flame Resistant NEMA FR1 N/A 6.0 IPC-4101/03 Cellulose Paper Flame Resistant NEMA FR2 N/A 5.0 IPC-4101/04 Cellulose Paper Modified Epoxy, Flame Resistant NEMA FR3 N/A 4.8 IPC-4101/10 Woven E-Glass Modified Epoxy, Surface / Cellulose Paper Core Flame Resistant NEMA CEM-1 N/A 5.4 IPC-4101/11 Woven E-Glass Face Sheets / E-Glass Polyester, Flame Felt Core Resistant NEMA CRM-5 80 4.1 IPC-4101/12 Woven E-Glass Face / Epoxy, Flame Non-Woven Glass Core Resistant NEMA CEM-3 N/A 5.4 IPC-4101/20 Woven E-Glass Fabric Epoxy, Non Flame NEMA G10, MIL-S- Resistant 13949/03 GEN 100 5.4 IPC-4101/21 Woven E-Glass Fabric Epoxy, Flame NEMA FR4, MIL-S- Resistant 13949/04 GF/GFN/GFK 110 5.4 IPC-4101/22 Woven E-Glass Fabric Epoxy, Hot Strength Reten- tion, Non Flame Resistant NEMA G11 - GB 135-175 5.4 IPC-4101/23 Woven E-Glass Fabric Epoxy, Hot Strength Retention, Flame NEMA FR5, MIL-S- Resistant 13949/05 GH 135-175 5.4 IPC-4101/24 Woven E-Glass Fabric Majority Epoxy Modified or Unmo- dified, Flame NEMA FR4, MIL-S- Resistant 13949/04 GF/GFG 150-200 5.4 IPC-4101/25 Woven Glass Epoxy/PPO, Flame NEMA FR4, MIL-S- Resistant 13949/04 GF/GFG 150-200 4.4 IPC-4101/26 Woven Glass Majority Epoxy Modified or Unmo- dified, Flame NEMA FR4, MIL-S- Resistant 13949/04 GF/GFT 170-220 5.4 IPC-4101/27 Unidirectional, Majority Epoxy, Cross-plied Fiberglass Flame Resistant None 110 5.4 IPC-4101/30 Woven E-Glass Triazine and/or Bismalemide Modi- fied Epoxy, Flame MIL-S-13949/ Resistant 26 - GFT 170-220 4.8 IPC-4101/40 Woven E-Glass Polyimide MIL-S-13949/10 GI/GIN 200 5.4 IPC-4101/41 Woven E-Glass Polyimide MIL-S-13949/10 GI/GIL 250 5.4 IPC-4101/42 Woven E-Glass Polyimide MIL-S-13949/10 GI/GIJ 200-250 5.4 IPC-4101/50 Woven Aramid Fabric Modified Epoxy MIL-S-13949/15 AF 135-190 4.5 IPC-4101/53 Non-Woven Aramid Polyimide MIL-S-13949/31 BI 220 4.5 IPC-4101/54 Unidirectional, Cyanate Ester Crossplied, Aramid Fiber Resin None 230 4.2 IPC-4101/55 Non-Woven Aramid Modified Epoxy MIL-S-13949/22 BF 135-190 4.0 IPC-4101/60 Woven Quartz Fabric Polyimide MIL-S-13949/19 QIL 250 3.4 IPC-4101/70 Woven S-2 Glass Cyanate Ester MIL-S-13949/27 230 4.3 IPC-4101/71 Woven E-Glass Cyanate Ester MIL-S-13949/29 GC 230 4.5 IPC-4101/80 Woven E-Glass Modified Epoxy Surface / Cellulose (catalyzed for Paper Core additive proper- ties), Flame Resistant NEMA CEM-1 N/A 5.4 IPC-4101/81 Woven E-Glass Face / Modified Epoxy Non-Woven Glass Core (catalyzed for additive proper- ties), Flame Resistant NEMA CEM-3 N/A 5.4 IPC-4101/82 Woven E-Glass Modified Epoxy (catalyzed for additive proper- ties), Flame Resistant NEMA FR4 110 5.4
This chart is provided courtesy of the Institute for Interconnecting and Packaging Electronic Circuits, Northbrook, Illinois. (c) 2002 by Standard Printed Circuits Inc.
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