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KEYSTONE 3521 Fuse Clip

Keystone's 3521 fuse clip offers a compact and reliable solution for fuse protection in various applications. Recognized by Underwriters Laboratories, these clips feature a low-profile design that saves space and a low contact resistance for efficient performance. They are available for a range of fuse sizes, including 5mm, 1AG, 2AG, 3AG, 5AG, 7AG, and 8AG. The clips are designed to withstand shock and vibration, ensuring durability in demanding environments. Keystone also offers custom design modifications to meet specific customer requirements.

Authorized Distributors
Source:Newark
Part No:3521
Stock:93
Inv Date:06-07-2026
Price: Unit price: $0.216
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Source:DigiKey
Part No:3521
Stock:0
Inv Date:06-07-2026
Price: Unit price: $3.36
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Source:DigiKey
Part No:3521
Stock:50251
Inv Date:06-07-2026
Price: Unit price: $0.24
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Source:DigiKey
Part No:3521
Stock:169
Inv Date:06-07-2026
Price: Unit price: $5.49
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Part No:3521
Stock:10
Inv Date:06-08-2026
Price: Unit price: $2.25
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Part No:3521
Stock:39777
Inv Date:06-08-2026
Price: Unit price: $0.21
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Part No:3521
Stock:0
Inv Date:06-07-2026
Price: Unit price: $4.36
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Part No:3521
Stock:0
Inv Date:06-07-2026
Price: Unit price: $2.25
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Part No:3521
Stock:0
Inv Date:06-07-2026
Price: Unit price: $194.41
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Authorized Distributors
Part No:3521
Stock:0
Inv Date:06-07-2026
Price: Unit price: $0.21
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Part No:3521
Stock:2
Inv Date:06-06-2026
Price: Unit price: $138.176
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Part No:3521
Stock:1720
Inv Date:06-06-2026
Price: Unit price: $0.1398
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Part No:3521
Stock:401
Inv Date:06-06-2026
Price: Unit price: $0.1398
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Part No:3521
Stock:3447
Inv Date:06-07-2026
Price: Unit price: $0.116
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KEYSTONE 3521 Fuse Clip Specifications:

  • available_sizes: 5mm, 1AG, 2AG, 3AG, 5AG, 7AG & 8AG
  • profile: Low profile, space saving
  • resistance: Low contact resistance
  • vibration: Withstands shock and vibration
  • rating: 6.3 to 30 Amps
  • design: Custom designs and modifications available
  • pc_mount_design: Snap-fit design enhances assembly and PC retention for wave soldering
  • orientation: Available with orientation legs
  • end_stops: Available with or without end stops
  • surface_mount: Available with solder lugs or quick-fit tabs .187 (4.7), .205 (5.2)
  • material: .020 (.51) Brass, Tin Plate
  • current_rating_3512: 15 Amps
  • material_3512: .016 (.41) Brass, Tin Plate
  • optional_cover: Cat. No. 3517C
  • material_3561: .016 (.41) Brass, Tin Plate
  • current_rating_3561: 15 Amps
  • material_3562: .020 (.51) Brass, Nickel Plate
  • current_rating_3562: 30 Amps
  • end_stops_3521: YES
  • end_stops_3621: NO
  • end_stops_3561: NO
  • end_stops_3622: NO
  • ul_recognition: UL File Number E354010

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Frequently Asked Questions

Where can I buy KEYSTONE 3521?

You can click on the BUY or RFQ button to purchase 3521 from an authorized KEYSTONE distributor.

How do I troubleshoot issues or seek technical support for part 3521?

You can download the 3521 datasheet or visit the KEYSTONE website for support.

Who is the manufacturer of 3521?

KEYSTONE

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