CL32B334KBFNNNE Equivalent & Substitute Parts

Part Overview

The CL32B334KBFNNNE is a 0.33 µF ceramic capacitor manufactured by Samsung Electro-Mechanics, rated at 50V with X7R temperature coefficient in 1210 (3225 Metric) package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part is ROHS3 compliant with MSL 1 rating, suitable for general-purpose applications requiring surface-mount multilayer ceramic capacitors (MLCC).

Key Parameters

Parameter	Value
Capacitance	0.33 µF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	1210 (3225 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CL32B334KBFNNNE is determined by strict equivalence in the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 0.33 µF (exact match required)
Voltage Rating: 50V minimum (equal or higher acceptable)
Temperature Coefficient: X7R (required for temperature stability)
Package: 1210 (3225 Metric) (physical compatibility required)
Mounting Type: Surface Mount, MLCC (assembly compatibility required)
Operating Temperature: -55°C to 125°C (required range)

Tolerance Consideration: Parts with ±10% tolerance are direct equivalents. Parts with ±5% tolerance are upgrades offering improved capacitance accuracy while maintaining full electrical compatibility.

Voltage Rating Consideration: Parts rated at 50V are direct equivalents. Parts rated at 100V are upgrades providing higher voltage margin while maintaining identical capacitance and package specifications.

Substitute parts are grouped into two categories: direct equivalents (matching all primary parameters) and upgrades (improved tolerance or voltage rating with identical capacitance and package).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Size (L x W)	Thickness (Max)	Product Status	Inventory
CL32B334KBFNNNE	Samsung Electro-Mechanics	0.33 µF	±10%	50V	X7R	1210	3.20mm x 2.50mm	1.45mm	Obsolete	2808 Pcs
885012209044	Würth Elektronik	0.33 µF	±10%	50V	X7R	1210	3.20mm x 2.50mm	1.35mm	Active	1170 Pcs
C1210C334K5RAC7800	KEMET	0.33 µF	±10%	50V	X7R	1210	3.20mm x 2.50mm	1.05mm	Active	24197 Pcs
KGM32ER71H334KL	KYOCERA AVX	0.33 µF	±10%	50V	X7R	1210	3.30mm x 2.50mm	1.45mm	Active	735 Pcs
KGM32ER71H334KU	KYOCERA AVX	0.33 µF	±10%	50V	X7R	1210	3.30mm x 2.50mm	1.45mm	Active	16801 Pcs
C1210C334J5RAC7800	KEMET	0.33 µF	±5%	50V	X7R	1210	3.20mm x 2.50mm	1.05mm	Active	4778 Pcs
KGM32ER71H334JL	KYOCERA AVX	0.33 µF	±5%	50V	X7R	1210	3.30mm x 2.50mm	1.45mm	Active	800 Pcs
KGM32ER71H334JU	KYOCERA AVX	0.33 µF	±5%	50V	X7R	1210	3.30mm x 2.50mm	1.45mm	Active	5469 Pcs
C1210C334J1RAC7800	KEMET	0.33 µF	±5%	100V	X7R	1210	3.20mm x 2.50mm	1.05mm	Active	1094 Pcs
C1210C334K1RAC7800	KEMET	0.33 µF	±10%	100V	X7R	1210	3.20mm x 2.50mm	1.05mm	Active	22618 Pcs
KGM32HR72A334JU	KYOCERA AVX	0.33 µF	±5%	100V	X7R	1210	3.30mm x 2.50mm	1.80mm	Active	981 Pcs

Engineering Selection Recommendations

Direct Equivalent Selection (50V, ±10% Tolerance):

The following parts provide direct electrical and mechanical equivalence to CL32B334KBFNNNE:

885012209044 (Würth Elektronik): Active product status with 1170 units in stock. Thickness reduced to 1.35mm compared to original 1.45mm, providing improved PCB clearance while maintaining all electrical specifications.
C1210C334K5RAC7800 (KEMET): Active product status with highest inventory availability (24197 units). Thickness reduced to 1.05mm. Suitable for applications requiring maximum PCB space efficiency.
KGM32ER71H334KL (KYOCERA AVX): Active product status with 735 units in stock. Maintains original thickness of 1.45mm. Length increased to 3.30mm (compared to 3.20mm original).
KGM32ER71H334KU (KYOCERA AVX): Active product status with 16801 units in stock. Maintains original thickness of 1.45mm. Length increased to 3.30mm.

Upgrade Selection (Improved Tolerance, 50V Rating):

Parts with ±5% tolerance provide superior capacitance accuracy:

C1210C334J5RAC7800 (KEMET): 4778 units in stock. Reduced thickness to 1.05mm.
KGM32ER71H334JL (KYOCERA AVX): 800 units in stock. Maintains 1.45mm thickness.
KGM32ER71H334JU (KYOCERA AVX): 5469 units in stock. Maintains 1.45mm thickness.

Upgrade Selection (Higher Voltage Rating, 100V):

Parts rated at 100V provide increased voltage margin:

C1210C334J1RAC7800 (KEMET): ±5% tolerance, 1094 units in stock. Reduced thickness to 1.05mm.
C1210C334K1RAC7800 (KEMET): ±10% tolerance, 22618 units in stock. Reduced thickness to 1.05mm.
KGM32HR72A334JU (KYOCERA AVX): ±5% tolerance, 981 units in stock. Increased thickness to 1.80mm.

All substitute parts are ROHS3 compliant with MSL 1 rating, matching the original part's environmental and regulatory status.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 50V CL32B334KBFNNNE?

A: Yes. A 100V rated capacitor with identical capacitance (0.33 µF) and X7R temperature coefficient is electrically compatible. The higher voltage rating provides additional safety margin. Physical dimensions must remain compatible with the PCB layout.

Q: What is the difference between ±10% and ±5% tolerance parts?

A: Both are functionally compatible. The ±5% tolerance parts (upgrade designation) provide tighter capacitance accuracy, meaning the actual capacitance value will be closer to the nominal 0.33 µF specification. Selection depends on circuit requirements for capacitance precision.

Q: Are there physical size differences between substitute parts?

A: Yes. While all parts use the 1210 (3225 Metric) package designation, length varies between 3.20mm and 3.30mm, and thickness ranges from 1.05mm to 1.80mm. Verify PCB layout clearances before selection, particularly for thickness and length dimensions.

Q: Why is the original CL32B334KBFNNNE marked as obsolete?

A: Obsolete status indicates Samsung Electro-Mechanics has discontinued this part. Active substitute parts from Würth Elektronik, KEMET, and KYOCERA AVX provide equivalent functionality with ongoing manufacturing support and availability.

Q: Which substitute part has the best inventory availability?

A: C1210C334K5RAC7800 (KEMET) offers the highest inventory with 24197 units in stock, providing supply security for high-volume applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental specifications.

Q: Can I mix different manufacturers' parts in the same production batch?

A: All substitute parts meet identical electrical specifications (0.33 µF, 50V or 100V, X7R, ±10% or ±5%). Physical dimensions vary slightly between manufacturers. Verify PCB assembly compatibility with your manufacturing process before mixing suppliers.

Q: What is the significance of the X7R temperature coefficient?

A: X7R specifies capacitance stability across the -55°C to 125°C operating temperature range. All substitute parts maintain this specification, ensuring consistent performance across the full temperature range.

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