IS415

Array ( [new-design] => Array ( [dynval] => [name] => Recommended for New Design [tip] => [secondary] => [value] => 1 ) [halogen-free] => Array ( [dynval] => [name] => Halogen Free [tip] => [secondary] => [value] => — ) [glass-transition-temperature-tg-by-dsc] => Array ( [dynval] => dynval_5707ece602022 [name] => Glass Transition Temperature (Tg) by DSC [tip] => [secondary] => Resin Content [value] => 200 ) [dk-permittivity] => Array ( [dynval] => dynval_576242c12fb0e [name] => Dk, Permittivity [tip] => [secondary] => Resin Content [value] => 3.71 ) [decomposition-temperature-td-by-tga-5-weight-loss] => Array ( [dynval] => dynval_5707eda2bb660 [name] => Decomposition Temperature (Td) by TGA @ 5% weight loss [tip] => [secondary] => Resin Content [value] => 370 ) [df-loss-tangent] => Array ( [dynval] => dynval_5762434d99e96 [name] => Df, Loss Tangent [tip] => [secondary] => Resin Content [value] => 0.0125 ) [moisture-absorption] => Array ( [dynval] => dynval_571676e64598b [name] => Moisture Absorption [tip] => [secondary] => Resin Content [value] => 0.15 ) [z-axis-cte] => Array ( [dynval] => dynval_577e93eec466a [name] => Z-Axis CTE [tip] => [secondary] => 50 to 260°C, (Total Expansion) [value] => 2.8 ) [peel-strength] => Array ( [dynval] => dynval_571676e64597f [name] => Peel Strength [tip] => [secondary] => Standard profile copper >>> After thermal stress [value] => 0.90 (5.1) ) [tg] => Array ( [value] => 200°C ) [td] => Array ( [value] => 370°C ) )

IS415

High Reliability Epoxy Laminate and Prepreg

IS415 sets the industry standard for high thermal performance epoxy materials and is ideally suited for designs requiring high signal integrity.

Download Data Sheet Contact Us

Thermal Performance	Electrical Performance	Industry Approvals
Tg: 200°C Td: 370°C	Dk: 3.72 Df: 0.0120	IPC-4101 /98 /99 /101 /126 UL - File Number E41625

Thermal Performance

Tg: 200°C
Td: 370°C

Electrical Performance

Dk: 3.72
Df: 0.0120

Industry Approvals

IPC-4101 /98 /99 /101 /126

UL - File Number E41625

This product is engineered to meet the demands of Lead (Pb) free multilayer printed circuit assembly, deliver CAF resistance with strong IST results and maintain FR-4 processing. IS415 offers good electrical performance, superior chemical and thermal performance and product consistency.

Attributes

Markets

Product Summary ▲

Product Features

Industry Recognition
- UL File Number: E41625
- Qualified to UL’s MCIL Program
- RoHS Compliant

Performance Attributes
- CAF resistant

Processing Advantages
- FR-4 process compatible
- UV blocking and AOI fluorescence
- No post bake after pressing

Production & Manufacturing

Currently manufactured in Asia

Product Availability

Standard Material Offering: Laminate
- 2 to 125 mil (0.05 to 3.2 mm)

Copper Foil Type
- HTE Grade 3
- RTF (Reverse Treat Foil)
- Embedded resistor foil

Copper Weight
- ½, 1 and 2 oz (18, 35 and 70 µm) available
- Heavier copper foil available
- Thinner copper foil available

Standard Material Offering: Prepreg
- Roll or panel form
- Tooling of prepreg panels

Glass Fabric Availability
- E-glass
- Square weave glass
- Mechanically spread glass

Typical Values ▼

Property		Typical Value	Units	Test Method
Property		Typical Value	Metric (English)	IPC-TM-650 (or as noted)
Glass Transition Temperature (Tg) by DSC		200	°C	2.4.25C
Decomposition Temperature (Td) by TGA @ 5% weight loss		370	°C	2.4.24.6
Time to Delaminate by TMA (Copper removed)	A. T260 B. T288	60 >20	Minutes	2.4.24.1
Z-Axis CTE	A. Pre-Tg B. Post-Tg C. 50 to 260°C, (Total Expansion)	45 240 2.8	ppm/°C ppm/°C %	2.4.24C
X/Y-Axis CTE	Pre-Tg	13	ppm/°C	2.4.24C
Thermal Conductivity		0.4	W/m·K	ASTM E1952
Thermal Stress 10 sec @ 288ºC (550.4ºF)	A. Unetched B. Etched	Pass	Pass Visual	2.4.13.1
Dk, Permittivity	A. @ 100 MHz B. @ 1 GHz C. @ 2 GHz D. @ 5 GHz E. @ 10 GHz	3.75 3.71 3.72 3.71 3.71	—	2.5.5.3 2.5.5.9 Bereskin Stripline Bereskin Stripline Bereskin Stripline
Df, Loss Tangent	A. @ 100 MHz B. @ 1 GHz C. @ 2 GHz D. @ 5 GHz E. @ 10 GHz	0.0107 0.0131 0.0120 0.0127 0.0125	—	2.5.5.3 2.5.5.9 Bereskin Stripline Bereskin Stripline Bereskin Stripline
Volume Resistivity	A. After moisture resistance B. At elevated temperature	3.81 x 10⁸ 3.90 x 10⁸	MΩ-cm	2.5.17.1
Surface Resistivity	A. After moisture resistance B. At elevated temperature	2.81 x 10⁶ 2.64 x 10⁸	MΩ	2.5.17.1
Dielectric Breakdown		>50	kV	2.5.6B
Arc Resistance		120	Seconds	2.5.1B
Electric Strength (Laminate & laminated prepreg)		40 (1100)	kV/mm (V/mil)	2.5.6.2A
Comparative Tracking Index (CTI)		1 (400-600)	Class (Volts)	UL 746A ASTM D3638
Peel Strength	A. Low profile copper foil and very low profile copper foil all copper foil >17 μm [0.669 mil] B. Standard profile copper 1. After thermal stress 2. At 125ºC (257ºF) 3. After process solutions	1.14 (6.5) 1.225 (7.0) 1.14 (6.5) 0.90 (5.1)	N/mm (lb/inch)	2.4.8C 2.4.8.2A 2.4.8.3 2.4.8.3
Flexural Strength	A. Length direction B. Cross direction	512 (74.2) 356 (51.6)	MPa (kpsi)	2.4.4B
Tensile Strength	A. Length direction B. Cross direction	302 (43.8) 217 (31.5)	MPa (kpsi)	ASTM D3039
Young's Modulus	A. Length direction B. Cross direction	3530 3200	ksi	ASTM D790-15e2
Poisson's Ratio	A. Length direction B. Cross direction	0.158 0.138	—	ASTM D3039
Moisture Absorption		0.15	%	2.6.2.1A
Flammability (Laminate & laminated prepreg)		V-0	Rating	UL 94
Relative Thermal Index (RTI)		130	°C	UL 796
The data, while believed to be accurate and based on analytical methods considered to be reliable, is for information purposes only. Any sales of these products will be governed by the terms and conditions of the agreement under which they are sold.

NOTE

Visit our site http://www.isola-group.com for more details.
Revisions:
A: Initial release - 4/17
B: Corrected units for Flexural and Tensile Strength - 8/18
C: Change MOT to RTI 5/19
D: Corrected CTI from 3 to 1 2/20

Constructions ▼

Download Dk/Df Tables PDF

Core Data

Construction	Resin content %	Thickness (inch)	Thickness (mm)	100 MHz	500 MHz	1 GHz	2 GHz	5 GHz	10 GHz
Construction	Resin content %	Thickness (inch)	Thickness (mm)	Dielectric Constant (DK)/ Dissipation Factor (DF)
1x106	73.0%	0.0020	0.051	3.39 0.0112	3.37 0.0125	3.36 0.0143	3.34 0.0149	3.32 0.0152	3.31 0.0152
1x1067	70.0%	0.0025	0.064	3.45 0.0112	3.43 0.0113	3.41 0.0127	3.40 0.0131	3.38 0.0134	3.37 0.0134
1x1080	57.0%	0.0025	0.064	3.72 0.0110	3.70 0.0123	3.69 0.0140	3.67 0.0146	3.66 0.0149	3.65 0.0149
1x1080	63.0%	0.0030	0.076	3.59 0.0106	3.57 0.0118	3.56 0.0133	3.54 0.0138	3.53 0.0141	3.52 0.0141
2x106	66.0%	0.0035	0.089	3.53 0.0108	3.51 0.0120	3.50 0.0136	3.48 0.0141	3.46 0.0144	3.45 0.0144
1x3313	51.0%	0.0035	0.089	3.86 0.0099	3.84 0.0108	3.83 0.0120	3.82 0.0125	3.80 0.0127	3.80 0.0127
1x1086	64.0%	0.0035	0.089	3.57 0.0106	3.55 0.0118	3.54 0.0133	3.52 0.0139	3.50 0.0142	3.50 0.0142
1x3313	54.0%	0.0040	0.102	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.72 0.0130
2x106	71.0%	0.0045	0.114	3.43 0.0098	3.41 0.0107	3.40 0.0118	3.38 0.0122	3.36 0.0125	3.35 0.0125
1x2116	49.0%	0.0045	0.114	3.91 0.0098	3.89 0.0107	3.88 0.0118	3.87 0.0122	3.85 0.0125	3.85 0.0125
106/1067	71.0%	0.0045	0.114	3.43 0.0110	3.41 0.0124	3.40 0.0141	3.38 0.0147	3.36 0.0150	3.35 0.0150
2x1080	57.0%	0.0050	0.127	3.72 0.0112	3.70 0.0113	3.69 0.0127	3.67 0.0131	3.66 0.0134	3.65 0.0134
1x2116	54.0%	0.0050	0.127	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.73 0.0130
2x1067	70.0%	0.0050	0.127	3.45 0.0110	3.43 0.0123	3.41 0.0140	3.40 0.0146	3.38 0.0149	3.37 0.0149
106/1080	67.0%	0.0053	0.135	3.51 0.0108	3.49 0.0121	3.48 0.0137	3.46 0.0142	3.44 0.0145	3.43 0.0145
106/3313	56.0%	0.0055	0.140	3.75 0.0102	3.72 0.0112	3.71 0.0126	3.70 0.0130	3.68 0.0133	3.68 0.0133
2x1080	63.0%	0.0060	0.152	3.59 0.0106	3.57 0.0118	3.56 0.0133	3.54 0.0138	3.53 0.0141	3.53 0.0141
2x1086	64.0%	0.0070	0.178	3.57 0.0106	3.55 0.0118	3.54 0.0133	3.52 0.0139	3.50 0.0142	3.50 0.0142
2x3313	51.0%	0.0070	0.178	3.86 0.0099	3.84 0.0108	3.83 0.0120	3.82 0.0125	3.80 0.0127	3.80 0.0127
2x3313	54.0%	0.0080	0.203	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.73 0.0130
2x2116	54.0%	0.0100	0.254	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.73 0.0130
3x3313	54.0%	0.0120	0.305	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.73 0.0130
2x2116/3313	54.0%	0.0140	0.356	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.73 0.0130
2x2116/7628	45.0%	0.0160	0.406	4.01 0.0096	3.99 0.0104	3.98 0.0114	3.97 0.0118	3.96 0.0120	3.95 0.0120
3313/2x7628	43.0%	0.0180	0.457	4.05 0.0095	4.03 0.0103	4.02 0.0112	4.00 0.0170	4.01 0.0118	3.99 0.0118

Prepreg Data

Glass Style	Resin content %	Thickness (inch)	Thickness (mm)	100 MHz	500 MHz	1 GHz	2 GHz	5 GHz	10 GHz
Glass Style	Resin content %	Thickness (inch)	Thickness (mm)	Dielectric Constant (DK)/ Dissipation Factor (DF)
106	75.0%	0.0024	0.061	3.36 0.0113	3.33 0.0127	3.32 0.0145	3.30 0.0151	3.28 0.0155	3.27 0.0155
1067	70.0%	0.0024	0.061	3.45 0.0110	3.43 0.0123	3.41 0.0140	3.40 0.0146	3.38 0.0149	3.38 0.0149
1080	65.0%	0.0031	0.079	3.55 0.0107	3.53 0.0119	3.52 0.0135	3.50 0.0140	3.48 0.0143	3.48 0.0143
1080	68.0%	0.0035	0.089	3.49 0.0109	3.47 0.0121	3.45 0.0138	3.44 0.0143	3.42 0.0147	3.41 0.0146
1086	64.0%	0.0038	0.097	3.57 0.0106	3.55 0.0118	3.54 0.0134	3.52 0.0139	3.50 0.0142	3.50 0.0142
3313	55.0%	0.0039	0.099	3.79 0.0101	3.77 0.0111	3.76 0.0123	3.74 0.0128	3.73 0.0130	3.72 0.0130
3313	59.0%	0.0045	0.114	3.68 0.0104	3.66 0.0115	3.65 0.0129	3.63 0.0133	3.61 0.0136	3.61 0.0136
3313	61.0%	0.0048	0.122	3.64 0.0105	3.61 0.0115	3.60 0.0129	3.59 0.0133	3.57 0.0136	3.56 0.0136
2116	57.0%	0.0053	0.135	3.72 0.0102	3.70 0.0113	3.69 0.0127	3.67 0.0131	3.66 0.0134	3.65 0.0134
1652	50.0%	0.0059	0.150	3.89 0.0098	3.87 0.0108	3.86 0.0119	3.84 0.0123	3.83 0.0126	3.82 0.0126

NOTE

Revisions:
A - Original Release - 4/17
B - Corrected 3313 prepreg RC% from 54% to 55% - 11/1

Documentation ▼

Resource Title & Summary	Date Updated
IS415 PrePreg Supplemental	12/15/2021
IS415 Laminate Supplemental	12/15/2021
Isola Laminate Outgassing Data Properties	12/17/2019
IS415 Processing Guide	06/25/2020
IS415 Laminate Safety Data Sheet	07/21/2020
IS415 Prepreg Safety Data Sheet	07/21/2020
IS415 Laminate RoHS Declaration	11/01/2022
IS415 Prepreg RoHS Declaration	11/01/2022

Resources

Presentation

Laminate & Prepreg Manufacturing

This presentation describes the process of laminate and prepreg manufacturing.

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Property		IS415
Recommended for New Design
Halogen Free		—
Glass Transition Temperature (Tg) by DSC	Resin Content	200
Dk, Permittivity	Resin Content	3.71
Decomposition Temperature (Td) by TGA @ 5% weight loss	Resin Content	370
Df, Loss Tangent	Resin Content	0.0125
Moisture Absorption	Resin Content	0.15
Z-Axis CTE	50 to 260°C, (Total Expansion)	2.8
Peel Strength	Standard profile copper >>> After thermal stress	0.90 (5.1)

IS415

High Reliability Epoxy Laminate and Prepreg

IS415 sets the industry standard for high thermal performance epoxy materials and is ideally suited for designs requiring high signal integrity.

Thermal Performance

Electrical Performance

Industry Approvals

Thermal Performance

Electrical Performance

Industry Approvals

Attributes

Markets

Product Features

Production & Manufacturing

Product Availability

Core Data

Prepreg Data

Add a Product to Compare to IS415

Resources

Laminate & Prepreg Manufacturing

Contact Our Team For Product Information