Materials & Finishes
Materials · Technical Guide
PCB Laminate Material Classification PyramidClassified by Dissipation Factor (Df) & Signal Speed Requirements
▲ PCB laminates are classified by dissipation factor (Df) — from standard FR4 to PTFE — determining signal integrity, speed, and application fit.
Standard (Mass Production) Planning Under Evaluation
High
Frequency
Frequency
High
Speed
Speed
FR4
Rogers
RO3003 / 3035CLTE-XT
TC350 / RO1200
TC350 / RO1200
Taconic
EZIO / TSM-DS3
RF-30-7H / RF35TCA
RF-30-7H / RF35TCA
Panasonic
M8U / M8N
SY
S9N / S9N2
ITEQ
IT998
EMC
EM892K
NY
NY-P4
Panasonic
M7 / M6(N)
EMC
EM890K
NY
NYP1 / P2 / P3
ITEQ
IT988GSE
Nelco
MW4K / MW3K
SY
S6N / S8G
Isola
Tachyon-100G
TUC
TU933 / TU933+
Doosan
DS-7409D(VN)
NanYa
NPG-188H
Panasonic
M6 / M6(G) / M6T
Nelco
MW1000
ITEQ
IT968 / IT968G
EMC
EM891 / EM528
Doosan
DS-7409D(V)
NanYa
NPG-186
SY
S6 / S6GX
Isola
I-TERA MT40
TUC
TU883 / C/A
HZ
H360
NY
NY6300 / S / SL
ZD
ZD-9600 / N
TUC
TU872SLK(SP)
TU863+
TU863+
Panasonic
M4(R5725) / M4S
SY
S7439 / S7040G
S7439G / S7439C
S7439G / S7439C
ITEQ
IT958G / IT170GRA2
Isola
FR408HR / I-SPEED
EMC
EM888S / EM526
Hitachi
HE-679(G)S
NY
NY3170LK
NY6200 / NY3170M2
NY6200 / NY3170M2
HZ
H185HF
ZD
ZD-9400
TUC
TU862HF / TU862S
TU865
TU865
ITEQ
IT150GS / IT170GT
IT170GRA1 / IT170GL
IT170GRA1 / IT170GL
EMC
EM285 / EM828G
EM370D / EM370Z
EM370D / EM370Z
Hitachi
MCL-HE-67 (G)
Panasonic
R1566W(N) / M2 / M2E
SY
S1150G / S1155K
S7045G / GH/GX
S7045G / GH/GX
HZ
H175HF / H175HFZ
NY
NY3170M
VT
VT447
ZD
HRG-4180L
ITEQ
IT158 / IT180A/L
IT-258GA3
IT-258GA3
SY
S1000 / S1190
S1000-2M / Autolad1/3/2G
S1000-2M / Autolad1/3/2G
NY
NY2150 / NY2170
NY-A1 / A2
NY-A1 / A2
EMC
EM825 / EM827
NanYa
NP175FBH / NP155FBH
HZ
H150LF / H1170
H1170Q
H1170Q
Hitachi
HR02 / HR33
Nelco
N4000-11
Panasonic
R1766 / R1755V
TUC
TU662 / TU768
Isola
370HR
ZD
HRH-4170
Tier 7 · PTFE
Microwave / RF dedicated
Df < 0.002
Tier 6 · Extremely Low Loss
Df 0.002 – 0.004
Tier 5 · Ultra Low Loss
Df 0.004 – 0.008
Tier 4 · Very Low Loss
Df 0.008 – 0.014
Tier 3 · Low Loss
Df 0.014 – 0.02
Tier 2 · Mid Loss
Df > 0.02
Tier 1 · Standard Loss
Laminate Selection Quick Reference
| Tier | Performance Level | Df Range | Typical Applications | Key Brands |
|---|---|---|---|---|
| T7 | PTFE High Frequency | Extremely low | mmWave radar, satellite comm., microwave components | Rogers, Taconic |
| T6 | Extremely Low Loss | < 0.002 | 5G AAU antenna, high-frequency RF front-end | Panasonic, SY, ITEQ, EMC, NY |
| T5 | Ultra Low Loss | 0.002 – 0.004 | 5G backhaul, high-speed backplane, 400G servers | Panasonic, SY, Isola, TUC, Nelco, NanYa |
| T4 | Very Low Loss | 0.004 – 0.008 | High-speed switches, SDH transmission, data centers | Panasonic, Nelco, TUC, EMC, Doosan, ZD |
| T3 | Low Loss | 0.008 – 0.014 | Enterprise networking, storage, AI inference cards | TUC, Isola, SY, ITEQ, Hitachi, NY |
| T2 | Mid Loss | 0.014 – 0.02 | High-end consumer, industrial control, automotive | TUC, ITEQ, EMC, Panasonic, SY, Hitachi |
| T1 | Standard FR4 | > 0.02 | Consumer electronics, home appliances, general industrial | ITEQ, SY, NY, EMC, NanYa, Isola, Panasonic, TUC |
Legend: ■ Planning = Roadmap item, not yet in mass production. ■ Under Evaluation = Sample available; do not bind to production BOM. Data compiled from public datasheets for reference only. Always verify with the latest manufacturer specifications.
