FCC32152ADTP Equivalent & Substitute Parts

Part Overview

The FCC32152ADTP is a surface mount fuse chip manufactured by Kamaya Inc., rated for 1.5 A at 64 V DC with fast blow response characteristics. This component is designed for circuit protection in compact 1206 (3216 Metric) package configurations. The part maintains active product status with 679 units in current inventory stock.

Substitute parts are identified to provide alternative sourcing options when the primary part becomes unavailable or when supply chain requirements necessitate qualified alternatives. Substitutes must maintain electrical compatibility across current rating, voltage rating, package dimensions, and thermal operating range specifications.

Substiute Parts

FCC32152ADTP

Kamaya Inc.In Stock: 769FCC32152ADTP Datasheet

Current PartRFQ

SF-1206S150-2

Bourns Inc.In Stock: 3081SF-1206S150-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FCC32152ADTP is determined by the following critical parameters:

Mandatory Matching Criteria:

• Current Rating: 1.5 A (exact match required)
• Package / Case: 1206 (3216 Metric) (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Breaking Capacity: 50 A @ Rated Voltage (exact match required)
• Voltage Rating (DC): 64 V minimum (substitute may equal or exceed)
• RoHS Compliance: ROHS3 Compliant (exact match required)

Allowable Variations:

• Response Time: Fast Blow or Slow Blow (functional difference; selection depends on circuit protection strategy)
• Operating Temperature Range: Substitute range may be narrower than primary part
• DC Cold Resistance: Substitute value may differ within acceptable circuit performance parameters
• Approval Agencies: Substitute must maintain UL certification at minimum

The substitute part SF-1206S150-2 meets all mandatory matching criteria with the exception of response time classification (Slow Blow vs. Fast Blow) and operating temperature range, which represents a functional and thermal operating envelope difference rather than an incompatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (FCC32152ADTP): The FCC32152ADTP is the specified component for applications requiring fast blow response characteristics across the full operating temperature range of -55°C to 125°C. This part carries CSA, cUL, and UL certifications, providing the broadest regulatory approval coverage. Select this part when fast blow protection is a circuit design requirement and extended low-temperature operation (-55°C) is necessary.

Substitute Part Selection (SF-1206S150-2): The SF-1206S150-2 serves as a qualified substitute when supply constraints affect primary part availability. This part maintains identical current rating, package configuration, and breaking capacity specifications. The substitute operates within a narrower temperature range (-20°C to 105°C) and exhibits slow blow response characteristics. The substitute carries UL certification. Selection of this substitute is appropriate for applications where slow blow protection is functionally acceptable and operating temperatures remain within the -20°C to 105°C envelope.

Voltage Rating Consideration: The substitute part is rated at 63 V DC compared to the primary part's 64 V DC rating. In applications where the circuit voltage approaches or equals 64 V DC, the primary part FCC32152ADTP is required to maintain the specified voltage safety margin.

Compliance Status: Both parts maintain ROHS3 compliance and are classified as REACH Unaffected. Both carry EAR99 ECCN classification and identical HTSUS codes (8536.10.0040).

Frequently Asked Questions (FAQ)

Q: Can SF-1206S150-2 be used as a direct replacement for FCC32152ADTP in all applications?

A: The SF-1206S150-2 is electrically and mechanically compatible for applications where the operating temperature remains between -20°C and 105°C and slow blow response is functionally acceptable. Applications requiring fast blow response or extended low-temperature operation below -20°C require the primary part FCC32152ADTP.

Q: What is the significance of the response time difference (Fast Blow vs. Slow Blow)?

A: Response time classification indicates the fuse's reaction speed to overcurrent conditions. Fast Blow fuses (FCC32152ADTP) interrupt circuits more rapidly upon overcurrent detection. Slow Blow fuses (SF-1206S150-2) tolerate brief current surges before interruption. Circuit design specifications determine which response type is required.

Q: Does the 1 V difference in DC voltage rating (64 V vs. 63 V) affect substitution eligibility?

A: The primary part FCC32152ADTP is rated for 64 V DC, while the substitute SF-1206S150-2 is rated for 63 V DC. In circuits operating at or near 64 V DC, the primary part must be used to maintain the specified voltage safety margin. The substitute is suitable for circuits operating below 63 V DC.

Q: Are both parts physically interchangeable on the PCB?

A: Both parts use the 1206 (3216 Metric) surface mount package. Physical dimensions are nearly identical (FCC32152ADTP: 3.20 x 1.60 x 0.60 mm; SF-1206S150-2: 3.10 x 1.55 x 0.60 mm), allowing PCB footprint compatibility. Verify PCB design tolerances accommodate the minor dimensional variations.

Q: What regulatory certifications does each part carry?

A: The FCC32152ADTP carries CSA, cUL, and UL certifications. The SF-1206S150-2 carries UL certification. Applications requiring CSA or cUL approval must use the primary part FCC32152ADTP.

Q: How do the DC Cold Resistance values differ, and does this affect circuit performance?

A: The FCC32152ADTP exhibits 0.078 Ohms DC Cold Resistance, while the SF-1206S150-2 exhibits 0.051 Ohms. The substitute's lower resistance may result in reduced voltage drop across the fuse element during normal circuit operation. Verify circuit design tolerances accommodate this resistance variation.

Q: Can the substitute part be used in applications requiring operation below -20°C?

A: No. The SF-1206S150-2 operating temperature range is -20°C to 105°C. Applications requiring operation at -55°C require the primary part FCC32152ADTP, which is rated for -55°C to 125°C.