Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
PS
E
977 Series, 5 x 20mm,Time-Lag (Slo-Blo®) Fuse
Description
450Vdc/500Vac rated, 5x20mm, Time-Lag, surge withstand,
ceramic body, cartridge fuse.
Features
tꢀ %FTJHOFEꢀUPꢀ
International (IEC)
Standards for use
globally
tꢀ "WBJMBCMFꢀJOꢀ$BSUSJEHFꢀ
BOEꢀ"YJBMꢀMFBEꢀ'PSNꢀ
tꢀ 3PITꢀDPNQMJBOUꢀBOEꢀ1Cꢆ
free
tꢀ 'PMMPXꢀUIFꢀ*&$ꢀꢁꢂꢃꢄꢅꢆꢄꢇꢀ
Sheet 5 specification
GPSꢀ5JNFꢆ-BHꢀ'VTFT
Agency Approvals
Applications
Agency
Agency File Number
Ampere Range
*OWFSUFSꢀJOꢀ-$%ꢀCBDLMJHIUꢀVOJUꢇꢀ%$ꢀTJEFꢀPGꢀBJSꢆDPOEJUJPOFSTꢇꢀ
ꢈꢆQIBTFꢀQPXFSꢀTVQQMJFTꢇꢀ)JHIFSꢀ&OFSHZꢀBOEꢀ1PXFSꢀ&GåDJFOUꢀ
applications.
Cartridge Certificates:
ꢀꢀꢀ/#,ꢂꢉꢂꢁꢂꢊꢆ+1ꢃꢂꢄꢃ"
ꢀꢀꢀ/#,ꢂꢉꢂꢁꢂꢊꢆ+1ꢃꢂꢄꢃ$
ꢀꢀꢀ/#,ꢃꢂꢂꢉꢂꢋꢆ+1ꢃꢂꢄꢃ"
Leaded Certificates:
ꢄ"ꢀoꢀꢌ"
ꢁꢍꢈ"ꢀoꢀꢃꢄ"
ꢃꢁ"
PS
E
Electrical Characteristics for Series
ꢀꢀꢀ/#,ꢂꢉꢂꢁꢂꢊꢆ+1ꢃꢂꢄꢃ#
ꢀꢀꢀ/#,ꢂꢉꢂꢁꢂꢊꢆ+1ꢃꢂꢄꢃ%
ꢀꢀꢀ/#,ꢃꢂꢂꢉꢂꢋꢆ+1ꢃꢂꢄꢃ#
ꢄ"ꢀoꢀꢌ"
ꢁꢍꢈ"ꢀoꢀꢃꢄ"
ꢃꢁ"
% of Ampere
Ampere Rating
OpeningTime
Rating
Cartridge Certificates:
ꢀꢀꢀꢃꢂꢃꢂꢅꢁꢊ
Leaded Certificates:
ꢀꢀꢀꢃꢂꢃꢂꢅꢁꢊ
ꢌꢂꢂN"ꢀoꢀꢋꢂꢂN"
ꢄ"ꢀoꢀꢈꢍꢃꢌ"
ꢉ"ꢀoꢀꢀꢁꢍꢈ"
ꢁꢂꢀNJOVUFTꢇꢀ.JOJNVN
ꢁꢂꢀNJOVUFTꢇꢀ.JOJNVN
ꢌꢂꢂN"ꢀoꢀꢋ"
ꢌꢂꢂN"ꢀoꢀꢋ"
ꢃꢌꢂꢎ
ꢁꢂꢀNJOVUFTꢇꢀ.JOJNVN
ꢌꢂꢂN"ꢀoꢀꢃꢁ"ꢀ
ꢋ"ꢀoꢀꢃꢁ"
ꢈꢂꢀNJOVUFTꢇꢀ.JOJNVN
ꢌꢂꢂN"ꢀoꢀꢋꢂꢂN"
ꢄ"ꢀoꢀꢈꢍꢃꢌ"
ꢉ"ꢀoꢀꢀꢁꢍꢈ"
ꢈꢂꢀNJOVUFTꢇꢀ.BYJNVN
ꢈꢂꢀNJOVUFTꢇꢀ.BYJNVN
ꢄꢃꢂꢎ
ꢄꢅꢌꢎ
ꢉꢂꢂꢎ
ꢃꢂꢂꢂꢎ
ꢈꢂꢀNJOVUFTꢇꢀ.BYJNVN
ꢋ"ꢀoꢀꢃꢁ"
ꢈꢂꢀNJOVUFTꢇꢀ.BYJNVN
ꢌꢂꢂN"ꢀoꢀꢋꢂꢂN"
ꢄ"ꢀoꢀꢈꢍꢃꢌ"
ꢉ"ꢀoꢀꢀꢁꢍꢈ"
ꢄꢌꢂꢀNTꢍꢀ.JOꢍꢏꢀꢋꢂꢀTFDTꢍꢀ.BYꢍ
ꢅꢌꢂꢀNTꢍꢀ.JOꢍꢏꢀꢋꢂꢀTFDTꢍꢀ.BYꢍ
ꢅꢌꢂꢀNTꢍꢀ.JOꢍꢏꢀꢋꢂꢀTFDTꢍꢀ.BYꢍ
ꢅꢌꢂꢀNTꢍꢀ.JOꢍꢏꢀꢋꢂꢀTFDTꢍꢀ.BYꢍ
ꢌꢂꢀNTꢇꢀ.JOꢍꢏꢀꢌꢀTFDTꢍꢀ.BYꢍ
ꢊꢌꢀNTꢇꢀ.JOꢍꢏꢀꢌꢀTFDTꢍꢀ.BYꢍ
ꢃꢌꢂꢀNTꢇꢀ.JOꢍꢏꢀꢌꢀTFDTꢍꢀ.BYꢍ
ꢃꢌꢂꢀNTꢇꢀ.JOꢍꢏꢀꢌꢀTFDTꢍꢀ.BYꢍ
ꢌꢀNTꢇꢀ.JOꢍꢏꢀꢍꢃꢌꢂꢀNTꢇꢀ.BYꢍ
ꢃꢂꢀNTꢇꢀ.JOꢍꢏꢀꢍꢃꢌꢂꢀNTꢇꢀ.BYꢍ
ꢃꢂꢀNTꢇꢀ.JOꢍꢏꢀꢍꢃꢌꢂꢀNTꢇꢀ.BYꢍ
ꢃꢂꢀNTꢇꢀ.JOꢍꢏꢀꢍꢃꢌꢂꢀNTꢇꢀ.BYꢍ
ꢋ"ꢀoꢀꢃꢁ"
ꢌꢂꢂN"ꢀoꢀꢋꢂꢂN"
ꢄ"ꢀoꢀꢈꢍꢃꢌ"
ꢉ"ꢀoꢀꢀꢁꢍꢈ"
ꢋ"ꢀoꢀꢃꢁ"
ꢌꢂꢂN"ꢀoꢀꢋꢂꢂN"
ꢄ"ꢀoꢀꢈꢍꢃꢌ"
ꢉ"ꢀoꢀꢀꢁꢍꢈ"
ꢋ"ꢀoꢀꢃꢁ"
© 2010 Littelfuse, Inc.
977 Series
1
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/977.html for current information.
Revised: November 18, 2010