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Standard FR4 Laminate

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Standard FR4 (IPC 4101/21) is the mainstay of the printed circuit industry. Available through a host of different manufacturers, FR4 laminate has literally become a commodity item. Below are the specifications for Isola's ED130UV laminate*. If you require any additional information, please contact our engineering department eng@standardpc.com.

PROPERTY	UNITS	IPC 4101	ED130UV VALUE	CONDITIONING
Thickness	inches	0.059	0.059	-----
	mm	(>0.78)	1.5	-----
Construction	-----	-----	8-7628	-----
Retained Resin	%	-----	44	-----
THERMAL
Tg (min) DSC	°C	110	135	-----
CTE - x axis	ppm/°C	-----	14	ambient to Tg
- y axis	ppm/°C	-----	13	ambient to Tg
- z axis	ppm/°C	-----	175	ambient to 288°C
Thermal Stress (288°C)	seconds	-----	>120	Condition A
ELECTRICAL
Permittivity (Dk), max @
1 MHz	-----	5.4	4.7	C-24/23/50
500 MHz	-----	-----	4.35	C-24/23/50
1 GHz (HP4291)	-----	-----	4.34	C-24/23/50
Loss Tangent DF (max) @
1 MHz	-----	0.035	0.020	C-24/23/50
500 MHz	-----	-----	0.017	C-24/23/50
1 GHz (HP4291)	-----	-----	0.016	C-24/23/50
Surface Resistivity (min)	megohms	1x104	2x105	Condition F
	megohms	1x103	1x108	E-24/125
Volume Resistivity (min)	megohms/cm	1x104	8x107	Condition F
	megohms/cm	1x103	2x107	E-24/125
Dielectric Breakdown (min)	kV	40	55	D48/50
Arc Resistance (min)	seconds	60	100	-----
Comparative Tracking Index	PLC-UL	-----	3	-----
PHYSICAL
Peel Strength (min-1oz)	lbs/in (Kg/M)	-----	9.0 (161)	Condition A
		5.9 (105)	9.0 (161)	After thermal stress
		3.9 (70)	9.0 (161)	E-I/125
Flexural Strength (min)
LW	psi (KG/M²)	60,000	80,000	Condition A
		4.23x107	5.63x107	-----
CW	psi (KG/M²)	50,000	60,000	Condition A
		3.52x107	4.23x107	-----
Warp and Twist	%	-----	0.5	Condition A
Flammability	-----	V-0	V-0	UL94
Moisture Absorption (max)	%	0.35	0.25	D-24/23
Tensil Strength
LW	psi	-----	50,000	Condition A
CW	psi	-----	40,000	Condition A
Tensil Modulus (Young's)
LW	psi	-----	3.5x106	Condition A
CW	psi	-----	3.0x106	Condition A
Flexural Modulus (Taylor's)
LW	psi	-----	2.7x106	Condition A
CW	psi	-----	2.4x106	Condition A
Poisson's Ratio
LW	-----	-----	0.136	Condition A
CW	-----	-----	0.118	Condition A

This chart produced courtesy Isola Laminate Systems

Disclaimer: All data above was derived from published documents made available to us from the manufacturer. Although we believe the data to be accurate, Standard Printed Circuits, Inc. is not liable for any inaccuracies that may exist in the data provided.

circuits@standardpc.com