SC62CB-330 Equivalent & Substitute Parts

Part Overview

The SC62CB-330 is a 33 µH shielded surface mount inductor manufactured by Signal Transformer, rated for 940 mA continuous current with a maximum DC resistance of 244 mOhm. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified when design requirements permit variations in shielding configuration, core material, or physical dimensions while maintaining core electrical performance within specified tolerances.

Key Parameters

Parameter	Value
Inductance	33 µH
Tolerance	±20%
Current Rating	940 mA
DC Resistance (DCR)	244 mOhm Max
Shielding	Shielded
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Inductance Test Frequency	100 kHz
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SC62CB-330 is determined by the following criteria:

Primary Electrical Parameters: Inductance value (33 µH), tolerance (±20%), current rating (940 mA minimum), and DC resistance (≤244 mOhm maximum) must be maintained or improved.

Shielding Requirement: The SC62CB-330 is shielded. Substitutes must maintain shielded configuration to preserve electromagnetic isolation characteristics.

Mechanical Compatibility: Surface mount packaging and nonstandard case dimensions must accommodate board layout constraints.

Environmental & Compliance: Operating temperature range, RoHS3 compliance, and MSL rating must meet or exceed original specifications.

Identified Substitutes:

B82472G4333M000 (EPCOS - TDK Electronics): Meets all primary electrical parameters with identical inductance, current rating, and shielding. Drum core wirewound construction. Acceptable substitute.
B82471A1333M000 (EPCOS - TDK Electronics): Meets inductance and tolerance but features unshielded configuration. Not suitable as direct substitute due to shielding mismatch.

Parameter Comparison

Parameter	SC62CB-330	B82472G4333M000	B82471A1333M000
Manufacturer	Signal Transformer	EPCOS - TDK Electronics	EPCOS - TDK Electronics
Inductance	33 µH	33 µH	33 µH
Tolerance	±20%	±20%	±20%
Current Rating (Amps)	940 mA	940 mA	880 mA
Current - Saturation (Isat)	580 mA	720 mA	1 A
DC Resistance (DCR)	244 mOhm Max	250 mOhm Max	230 mOhm Max
Shielding	Shielded	Shielded	Unshielded
Operating Temperature	-40°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Size / Dimension	0.248" L x 0.244" W (6.30mm x 6.20mm)	0.287" L x 0.287" W (7.30mm x 7.30mm)	0.240" L x 0.220" W (6.10mm x 5.60mm)
Height - Seated (Max)	0.098" (2.50mm)	0.138" (4.60mm)	0.193" (4.90mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

B82472G4333M000 (Recommended Substitute): This part maintains electrical equivalence with the SC62CB-330 across all critical parameters: 33 µH inductance, 940 mA current rating, shielded configuration, and RoHS3 compliance. The DC resistance specification (250 mOhm Max) is within acceptable tolerance of the original (244 mOhm Max). The saturation current (720 mA) exceeds the original specification, providing improved headroom. Operating temperature range (-55°C ~ 125°C) covers the original range. Physical dimensions are larger (7.30mm x 7.30mm vs. 6.30mm x 6.20mm) and height is increased (4.60mm vs. 2.50mm); board layout compatibility must be verified. All compliance certifications (RoHS3, MSL 1) are maintained.

B82471A1333M000 (Not Recommended): Although this part shares the same inductance value and tolerance, the unshielded configuration creates a functional mismatch with the shielded SC62CB-330. Electromagnetic isolation properties differ fundamentally. Current rating (880 mA) falls below the original specification (940 mA). This part is not suitable as a direct substitute.

Frequently Asked Questions (FAQ)

Q: Can B82471A1333M000 be used as a substitute for SC62CB-330?

A: No. The B82471A1333M000 is unshielded, while the SC62CB-330 is shielded. These configurations provide different electromagnetic isolation characteristics. Additionally, the current rating (880 mA) is below the original specification (940 mA).

Q: What are the key differences between SC62CB-330 and B82472G4333M000?

A: Both parts share identical inductance (33 µH), tolerance (±20%), and current rating (940 mA). Both are shielded and RoHS3 compliant. Primary differences are physical dimensions (B82472G4333M000 is larger: 7.30mm x 7.30mm vs. 6.30mm x 6.20mm) and height (4.60mm vs. 2.50mm). DC resistance is marginally higher (250 mOhm vs. 244 mOhm). Board layout space availability must be confirmed before selection.

Q: Are all substitute parts surface mount?

A: Yes. Both the SC62CB-330 and identified substitutes use surface mount packaging and are compatible with standard PCB assembly processes.

Q: Do substitute parts maintain RoHS3 compliance?

A: Yes. B82472G4333M000 and B82471A1333M000 are both RoHS3 compliant with MSL rating 1 (Unlimited), matching the original part.

Q: What is the operating temperature range for B82472G4333M000?

A: The operating temperature range is -55°C ~ 125°C, which encompasses the original SC62CB-330 range of -40°C ~ 125°C.

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