1812PC334MAT1A Ceramic Capacitor - Equivalent & Substitute Parts

Part Overview

The 1812PC334MAT1A is a 0.33 µF ceramic capacitor manufactured by KYOCERA AVX, rated for 250V with X7R temperature coefficient characteristics. This surface-mount multilayer ceramic capacitor (MLCC) is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1), making it suitable for standard manufacturing environments.

The original part features ±20% tolerance and is currently active in production with 968 units in stock. Equivalent and substitute parts are available from multiple manufacturers, offering improved tolerance specifications and alternative physical characteristics while maintaining electrical compatibility.

Key Parameters

Parameter	Value
Capacitance	0.33 µF
Voltage Rating	250V
Temperature Coefficient	X7R
Tolerance	±20%
Package / Case	1812 (4532 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C to 125°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 1812PC334MAT1A is determined by strict equivalence in the following parameters:

Capacitance Value: 0.33 µF (exact match required)
Voltage Rating: 250V (exact match required)
Temperature Coefficient: X7R (exact match required)
Package / Case: 1812 (4532 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Operating Temperature Range: -55°C to 125°C (exact match required)

Substitute parts may vary in the following parameters without affecting functional compatibility:

Tolerance: ±20% or ±10% (tighter tolerance is acceptable)
Physical Thickness: Variations within the 1812 package specification
Manufacturer: Different manufacturers producing equivalent specifications

All substitute parts listed maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage conditions.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temperature Coefficient	Package	Thickness (Max)	Product Status	Inventory
1812PC334MAT1A	KYOCERA AVX	0.33 µF	±20%	250V	X7R	1812 (4532 Metric)	0.079" (2.00mm)	Active	968 Pcs
1812PC334KAT1A	KYOCERA AVX	0.33 µF	±10%	250V	X7R	1812 (4532 Metric)	0.079" (2.00mm)	Active	1597 Pcs
C1812C334KARAC7800	KEMET	0.33 µF	±10%	250V	X7R	1812 (4532 Metric)	0.065" (1.65mm)	Active	14322 Pcs
GRM43DR72E334KW01L	Murata Electronics	0.33 µF	±10%	250V	X7R	1812 (4532 Metric)	0.087" (2.20mm)	Active	60273 Pcs
C4532X7R2E334M230KA	TDK Corporation	0.33 µF	±20%	250V	X7R	1812 (4532 Metric)	0.098" (2.50mm)	Not For New Designs	1703 Pcs

Engineering Selection Recommendations

For Active Production Designs:

The 1812PC334KAT1A (KYOCERA AVX) is the preferred upgrade substitute, offering identical physical dimensions and improved ±10% tolerance specification while maintaining active product status. This part provides direct compatibility with existing designs using the 1812PC334MAT1A.

The C1812C334KARAC7800 (KEMET) and GRM43DR72E334KW01L (Murata Electronics) are functionally equivalent alternatives with ±10% tolerance and active product status. Both manufacturers maintain high inventory levels. The KEMET part features reduced thickness (0.065"), while the Murata part has increased thickness (0.087"), both within 1812 package specifications.

For Legacy or Existing Designs:

The C4532X7R2E334M230KA (TDK Corporation) maintains electrical equivalence with ±20% tolerance matching the original part. However, this part carries "Not For New Designs" status and should be used only for replacement or repair of existing assemblies. The increased thickness (0.098") remains within package tolerance.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 1812PC334MAT1A with a part having ±10% tolerance?

A: Yes. Parts with ±10% tolerance (1812PC334KAT1A, C1812C334KARAC7800, GRM43DR72E334KW01L) are direct substitutes. Tighter tolerance specifications are functionally compatible and often preferred for improved performance stability.

Q: Are there physical dimension differences between substitute parts?

A: All substitute parts use the 1812 (4532 Metric) package with identical length (0.177") and width (0.126"). Thickness varies: original part is 0.079" (2.00mm), KEMET is 0.065" (1.65mm), Murata is 0.087" (2.20mm), and TDK is 0.098" (2.50mm). These variations remain within 1812 package specifications and do not affect PCB layout compatibility.

Q: Which substitute part has the best availability?

A: The GRM43DR72E334KW01L (Murata Electronics) has the highest inventory level at 60,273 units, followed by the C1812C334KARAC7800 (KEMET) at 14,322 units.

Q: Can I use the TDK C4532X7R2E334M230KA for new designs?

A: No. This part carries "Not For New Designs" status and should be reserved for replacement or repair applications only. Use active-status alternatives for new production designs.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original part's compliance profile.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message