ECJ-0EB1E152K Equivalent & Substitute Parts

Part Overview

The ECJ-0EB1E152K is a 1500 pF ceramic capacitor manufactured by Panasonic Electronic Components with X7R temperature coefficient, rated for 25V operation, and packaged in 0402 (1005 Metric) surface mount form factor. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing production and design requirements. Substitute parts must maintain identical electrical specifications and mechanical compatibility to ensure direct replacement capability in existing circuit designs.

Key Parameters

Parameter	Specification
Capacitance	1500 pF
Tolerance	±10%
Voltage Rating	25V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Size	0.039" L x 0.020" W (1.00mm x 0.50mm)
Thickness (Max)	0.022" (0.55mm)
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ECJ-0EB1E152K are grouped into two categories based on electrical and mechanical compatibility:

Direct Equivalents (Identical Specifications): Parts maintaining 1500 pF capacitance, ±10% tolerance, 25V voltage rating, X7R temperature coefficient, and 0402 package form factor. These parts are interchangeable without circuit modification.

Upgrade Alternatives (Enhanced Specifications): Parts with improved ratings or compliance characteristics while maintaining core electrical function. These include higher voltage ratings (50V), tighter tolerances (±5%), enhanced temperature coefficients (C0G/NP0, X8R), or automotive-grade certifications (AEC-Q200). Upgrade alternatives are suitable when circuit design permits higher voltage margins or when compliance requirements necessitate RoHS3 or REACH compliance.

Critical Substitution Parameters:

Capacitance value: 1500 pF (fixed)
Voltage rating: Minimum 25V (higher ratings acceptable)
Temperature coefficient: X7R or superior (C0G/NP0, X8R acceptable)
Package: 0402 (1005 Metric) mandatory
Tolerance: ±10% or tighter acceptable
Mounting: Surface Mount, MLCC required

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status	RoHS Status
ECJ-0EB1E152K	Panasonic	1500 pF	±10%	25V	X7R	0402	0.55mm	Obsolete	Not specified
04023C152KAJ2A	KYOCERA AVX	1500 pF	±10%	25V	X7R	0402	0.56mm	Active	Non-compliant
LD023C152KAB2A	KYOCERA AVX	1500 pF	±10%	25V	X7R	0402	0.56mm	Active	Non-compliant
AC0402KRX7R8BB152	YAGEO	1500 pF	±10%	25V	X7R	0402	0.55mm	Active	ROHS3 Compliant
C0402C152J3RAC7867	KEMET	1500 pF	±5%	25V	X7R	0402	0.55mm	Active	ROHS3 Compliant
C0402C152J5GAC7867	KEMET	1500 pF	±5%	50V	C0G/NP0	0402	0.55mm	Active	ROHS3 Compliant
C0402C152J5HAC7867	KEMET	1500 pF	±5%	50V	X8R	0402	0.55mm	Active	ROHS3 Compliant
C0402C152J5RAC7867	KEMET	1500 pF	±5%	50V	X7R	0402	0.55mm	Active	ROHS3 Compliant
C0402C152K3RECAUTO	KEMET	1500 pF	±10%	25V	X7R	0402	0.55mm	Active	ROHS3 Compliant
C0402C152K3RECAUTO7411	KEMET	1500 pF	±10%	25V	X7R	0402	0.55mm	Active	ROHS3 Compliant
C0402C152K5RAC7867	KEMET	1500 pF	±10%	50V	X7R	0402	0.55mm	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): Select 04023C152KAJ2A or LD023C152KAB2A from KYOCERA AVX when direct electrical and mechanical equivalence is required. Both parts maintain 1500 pF capacitance, ±10% tolerance, 25V rating, and X7R temperature coefficient in 0402 package. These parts are active production items with available inventory. Note that RoHS non-compliance status should be evaluated against design requirements.

For RoHS3 Compliant Replacement (Identical Electrical Specifications): Select C0402C152K3RECAUTO or C0402C152K3RECAUTO7411 from KEMET when RoHS3 compliance is mandatory. Both parts provide identical electrical specifications (1500 pF, ±10%, 25V, X7R) with ROHS3 compliant status and AEC-Q200 automotive-grade certification. These parts are suitable for designs requiring regulatory compliance without circuit modification.

For Enhanced Voltage Margin (Upgrade Alternative): Select C0402C152K5RAC7867 from KEMET when circuit design permits 50V operation. This part maintains 1500 pF capacitance and ±10% tolerance with upgraded 50V rating and X7R temperature coefficient, providing additional voltage margin while maintaining RoHS3 compliance.

For Superior Temperature Stability (Upgrade Alternative): Select C0402C152J5GAC7867 from KEMET when C0G/NP0 temperature coefficient is required. This part provides 1500 pF capacitance with ±5% tolerance, 50V rating, and C0G/NP0 temperature coefficient, offering superior temperature stability compared to X7R. RoHS3 compliant.

For Extended Temperature Operation (Upgrade Alternative): Select C0402C152J5HAC7867 from KEMET when operating temperature range extends to 150°C. This part provides 1500 pF capacitance with ±5% tolerance, 50V rating, and X8R temperature coefficient rated to -55°C to 150°C. RoHS3 compliant with low ESL characteristics.

For Tighter Tolerance Requirement (Upgrade Alternative): Select C0402C152J3RAC7867 from KEMET when ±5% tolerance is required. This part maintains 1500 pF capacitance, 25V rating, and X7R temperature coefficient with improved ±5% tolerance. RoHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can I use a 50V rated capacitor in place of the 25V ECJ-0EB1E152K? A: Yes. Higher voltage ratings are acceptable substitutes provided all other electrical parameters (capacitance, tolerance, temperature coefficient) and mechanical parameters (package, size, thickness) remain compatible. A 50V rated part will function correctly in a 25V circuit application.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R temperature coefficient specifies capacitance change of ±15% across the -55°C to 125°C operating range. C0G/NP0 specifies ±30 ppm/°C, providing superior temperature stability. C0G/NP0 is suitable for precision applications requiring minimal capacitance drift with temperature.

Q: Are KYOCERA AVX parts (04023C152KAJ2A, LD023C152KAB2A) direct replacements for the Panasonic ECJ-0EB1E152K? A: Yes. Both KYOCERA AVX parts maintain identical electrical specifications (1500 pF, ±10%, 25V, X7R) and mechanical compatibility (0402 package, 0.56mm thickness). The 0.01mm thickness difference (0.55mm vs 0.56mm) is within acceptable PCB assembly tolerances.

Q: What does RoHS3 compliance mean for capacitor selection? A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting use of lead, cadmium, mercury, and other hazardous materials. RoHS3 compliant parts are required for many commercial and industrial applications, particularly in European markets.

Q: Can I substitute a ±5% tolerance part for a ±10% tolerance requirement? A: Yes. Tighter tolerance (±5%) is acceptable for applications specified with ±10% tolerance. The part will meet or exceed the original specification. However, substituting a ±10% tolerance part for a ±5% requirement is not acceptable.

Q: What is the significance of AEC-Q200 certification on automotive-grade capacitors? A: AEC-Q200 certification indicates the part meets automotive industry reliability standards for passive components, including thermal cycling, vibration, and humidity testing. AEC-Q200 certified parts (C0402C152K3RECAUTO, C0402C152K3RECAUTO7411) are suitable for automotive applications and designs requiring enhanced reliability.

Q: Is the 0.01mm thickness difference between substitute parts significant? A: No. The thickness difference between 0.55mm and 0.56mm is within standard PCB assembly tolerances and does not affect component placement, soldering, or circuit performance. Both dimensions are acceptable for 0402 package specifications.

Q: Which substitute part offers the best overall compatibility with the ECJ-0EB1E152K? A: C0402C152K3RECAUTO from KEMET provides optimal compatibility, maintaining identical electrical specifications (1500 pF, ±10%, 25V, X7R) while adding RoHS3 compliance and AEC-Q200 automotive certification. This part is active production with available inventory.

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