SF-1206SP200-2 Equivalent & Substitute Parts

Part Overview

The SF-1206SP200-2 is a 2A, 63VDC surface mount board mount fuse in 1206 (3216 Metric) package format, manufactured by Bourns Inc. under the SinglFuse™ SF-1206SP series. This component is classified as a slow blow fuse with UL approval and is actively produced. The part is ROHS3 compliant and carries MSL Level 1 rating, indicating no moisture sensitivity constraints during storage and handling.

Equivalent substitute parts are identified when they maintain identical electrical ratings, mechanical compatibility, and functional characteristics while meeting the same regulatory and compliance standards.

Substiute Parts

SF-1206SP200-2

Bourns Inc.In Stock: 3329SF-1206SP200-2 Datasheet

Current PartRFQ

SF-1206S200-2

Bourns Inc.In Stock: 6441SF-1206S200-2 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The SF-1206S200-2 qualifies as a parametric equivalent to the SF-1206SP200-2 based on the following substitution criteria:

Electrical Parameters (Identical):

• Current Rating: 2 A
• Voltage Rating (DC): 63 V
• Response Time: Slow Blow
• Breaking Capacity @ Rated Voltage: 50A

Mechanical Parameters (Identical):

• Package / Case: 1206 (3216 Metric)
• Mounting Type: Surface Mount
• Physical Dimensions: 0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)
• Fuse Type: Board Mount (Cartridge Style Excluded)

Compliance & Regulatory (Identical):

• Approval Agency: UL
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• Operating Temperature Range: -20°C ~ 105°C

Both parts belong to the Bourns SinglFuse™ family with Active product status, ensuring continued availability and support.

Parameter Comparison

Engineering Selection Recommendations

Both the SF-1206SP200-2 and SF-1206S200-2 are Active products from Bourns Inc. with identical electrical and mechanical specifications. Selection between these parts is based on:

Product Availability: The SF-1206S200-2 maintains higher inventory levels (6406 pcs) compared to the SF-1206SP200-2 (3288 pcs), making it suitable for high-volume production requirements.

Compliance Certification: Both parts carry UL approval and ROHS3 compliance, meeting equivalent regulatory requirements for industrial and commercial applications.

Packaging Format: Both parts are supplied in Tape & Reel (TR) format, compatible with automated assembly processes.

Operating Conditions: Identical temperature range (-20°C ~ 105°C) and moisture sensitivity classification ensure equivalent performance in standard operating environments.

Frequently Asked Questions (FAQ)

Q: Can SF-1206S200-2 be used as a direct replacement for SF-1206SP200-2?

A: Yes. Both parts share identical current rating (2A), voltage rating (63VDC), response time (Slow Blow), package format (1206), and mounting type (Surface Mount). They are electrically and mechanically interchangeable.

Q: Are there differences in thermal or electrical performance between these parts?

A: The Melting I²t values differ (0.509 for SF-1206SP200-2 vs. 0.339 for SF-1206S200-2), indicating different thermal energy absorption characteristics. The SF-1206S200-2 provides DC Cold Resistance specification (0.032 Ohms), which is not specified for the SF-1206SP200-2. These differences do not affect substitution eligibility for applications requiring 2A, 63VDC slow blow protection.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both parts are UL approved, ROHS3 compliant, and carry identical MSL Level 1 rating. They meet equivalent compliance requirements for industrial and commercial use.

Q: What is the physical compatibility for PCB assembly?

A: Both parts use identical 1206 (3216 Metric) package dimensions: 0.122" L x 0.061" W x 0.024" H. They are compatible with the same PCB footprints and automated assembly equipment.

Q: Which part should be selected for new designs?

A: Selection depends on supply chain requirements. The SF-1206S200-2 offers higher inventory availability. Both parts are Active products with continued manufacturer support.