3550-2

AUTOMOTIVE BLADE FUSE HOLDER, 20A/500VAC

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: KEYSTONE
Product type: Fuse Holders
Fuse Holder Type:Automotive Blade Fuse Holder; Fuse Current:20A; Fuse Size Held:APR, ATC, ATO; Holder Terminals:Through Hole; No. of Fuses:1Fuses; Product Ran 22M2705
No. of Fuses: 1Fuses

Delivery and price
Units per pack	1000
Price	0.472 €
Current stock	1000+
Lead time	30 days

Datasheet

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STANDARD AUTOMOTIVE BLADE FUSE CLIPS & HOLDERS<br>**----- End of picture text -----**<br>


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FOR .205 (5.2) × .025 (.64) STANDARD BLADE FUSES<br>For Littelfuse ATO 257 series/Bussmann ATC series or equivalent<br>• Holds fuse securely, even after multiple insertions • Withstands the rigors of shock and vibration<br>d • Thru hole-mount, maintains position during wave soldering • Holder design prevents solder wicking ee &<br>VERTICAL FUSE ENTRY<br>.760 [19.3]<br>SPECIFICATIONS 1.125 [28.6]<br>3522-2 — —z .175 [4.5] Contacts: Insulator: Glass filled Nylon, UL Rated 94V-0.016 (.41) Brass, Tin-Nickel Plate — _— .175 [4.5] , 3522-3 BF<br>.125 Current Rating: 30 Amps @ 500V AC .125<br> [3.2] Temperature Rating: -58ºF to +292ºF   [3.2]<br>.300 [7.6] (-50ºC to +145ºC) .300 [7.6]<br>B a l bo PELE<br>.050<br>.050 .137 [3.5]  [1.27]<br> [1.27] BEE i .100 [2.6] pu vwy .260 [6.6] T<br>—+ Jk 4 06 4<br>Mounting Detail For Two Clips Mounting Detail For Two Clips<br> [5.1].200 .160 [4.1] [5.1].200 .160 [4.1] (2) PLS..200 [5.1] (3) PLS.<br>— CAT. NO. 3522-2  Pee .100 [2.6] DIA. (4) PLS .100 [2.6] DIA. (4) PLS CAT. NO. 3522-3<br>VERTICAL ENTRY LOW INSERTION FORCE<br>.271 [6.9] .125  .292 [7.4] .102 [2.6]<br>[3.2] SPECIFICATIONS<br>.281 .250 Contacts: .016 (.41) Brass<br>.437 [7.2] [6.4] Current Rating: 20 Amps @ 500 VAC .330 [8.4]<br>[11.1]<br>Mounting Detail For Two Clips<br>.150 [3.8]<br>CAT. NO. 3522 Tin-Nickel Plate .076 [1.92] “Ad [1.78].070 [5.1].200 GP .100 [2.6] DIA. (4) PLS  O00 .160 [4.1][5.1].200 .054 [1.4] eh  [5.1].200 .156 [4.0] CAT. NO. 3573  REF. i Matte Tin Plate<br>2 IN 1 FUSE HOLDER UNIVERSAL CLIP<br>For Littelfuse ATO 257 series/Bussmann ATC series,<br>For Littelfuse ATO 257 series/Bussmann ATC series,<br>Littelfuse Low Profile Mini 897 series or equivalents<br>Ly • Low insertion force Littelfuse Mini 297 or 997 series/Bussmann ATM series, Littelfuse Low Profile Mini 897 series or equivalents oa<br>•• Fuse holder fully insulates clips to protect fuse from shorting Holder assures proper spacing and reduces assembly time •• Accepts most Auto-Blade Fuses Low insertion force<br>u- • Thru hole PC mountable, maintains position during wave soldering • Thru hole PC mountable, maintains position<br>. during wave soldering<br>SPECIFICATIONS<br>.265 [6.8] Contacts: .016 (.41) Brass, Tin-Nickel Plate<br>Insulator:Nylon 4/6, UL Rated 94V-0<br>.780 [19.8] Current Rating: 20 Amps @ 500V AC .150 [3.8] .185 [4.7]<br>Temperature Rating:<br>-58ºF to +292ºF (-50ºC to +145ºC)<br>.290 [7.4] .400 [10.2]<br>‘: ae .110 [2.8] Mounting Detail AY<br>.530 [13.5]  [3.4].134 W .150 [3.8] .062 [1.57].027 [0.69]<br>.062 [1.57] (2) PLS .134 [3.4] .130 [3.3]<br>= | Soa] +<br>Mounting Detail .134 [3.4]<br>.530 [13.5]<br>.063 [1.60] DIA. (4) PLS<br>.134 [3.4]  Fuse W CAT. NO. 3557 - Top Entry<br>Mini .383 (9.7)<br>CAT. NO. 3557-2  .063 [1.6] DIA. (4) PLS Standard .530 (13.5) CAT. NO. 3577 - Bottom Entry<br>FilN)<br>es HORIZONTAL FUSE ENTRY aSC<br>• Designed for low height clearance applications • Fuse holder fully insulates clips to protect fuse from shorting<br>• Fuse will be inserted parallel to board • Holder assures proper spacing and reduces assembly time<br>• Thru hole mount, maintains position during wave soldering • Polarized legs assure proper orientation of clips onto board<br>SPECIFICATIONS<br>Contacts: .012 (.30) Brass, Nickel Plate<br>Insulator: Nylon, UL Rated 94V-0<br>Current Rating: 15 Amps @ 500V AC<br>Temperature Rating: -58ºF to +292ºF (-50ºC to +145ºC)<br>.363 [9.2] .393 [10.0] .820 [20.8] .062 .250 .240 [6.10]<br> [1.55] [6.35]<br>: PP | Tore<br>.245 [6.2]  Mounting Detail For Two Clips .212 .098 [2.50]<br>.145 [3.7]  .363 [9.2]  [5.40]<br>a 4 6 ver .180 [4.55]<br>. 100 [2.6]  tSe oo .400 [10.2]  k .062 [1.6] (2) PLS  .400  T eT  [1.55].062 a IL)t .400 [10.15] oLe6 .100 [2.55] 95<br>(2) PLS  [10.2]  .104 [2.64]<br>DIA. (2) PLS<br>CAT. NO. 3550-2 CAT. NO. 3550<br>eS<br>®<br>Tel (718) 956-8900 • Fax (718) 956-9040 www.keyelco.com<br>(800) 221-5510 • kec@keyelco.com RoHS COMPLIANT ~ ISO 9001 CERTIFIED 31-07 20th Road – Astoria, NY  11105-2017<br>**----- End of picture text -----**<br>


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RoHS COMPLIANT ~ ISO 9001 CERTIFIED<br>**----- End of picture text -----**<br>


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Updated at June 5, 2026

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