JJS-20 Cooper/Bussmann, JJS-20 Datasheet - Page 2

• Manufacturer Part Number: JJS-20
• Description: FUSE 20A 600V FAST ACT CLASS T
• Manufacturer: Cooper/Bussmann
• Series: JJSr
• Type: Very Fast Actingr

Specifications of JJS-20

• Fuse Type: Fast Acting
• Voltage - Rated: 600VAC
• Current: 20A
• Package / Case: Cylindrical
• Size / Dimension: 0.560" Dia x 1.500" L (14.22mm x 38.10mm)
• Mounting Type: Holder
• Brand/series: T-Tron®/JJS Series
• Class: Class T
• Current, Rating: 20 A
• Current, Ratings: 20 A
• Diameter: 0.56 in. +⁄-0.04
• Dimensions: 0.56x1.5 "
• Length: 1.5 in. +⁄-0.04
• Material, Body: Melamine
• Primary Type: Cylinder
• Termination: Cartridge
• Voltage, Rating: 600 VAC
• Color: -
• Operating Temperature: -
• Dc Cold Resistance: -
• Melting I²t: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
T-Tron
Class T — 600 Volt, 1 to 800 Amps
Current-Limitation Curves
9-24-03
A—B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS)
Custom Designs
• Printed circuit board variations available.
UL Component Recognized
File E56412, JFHR2, 600Vac, 200,000A IR
400,000
100,000
JJS-(1-30) V
10,000
1,000
200
A
RMS SYMMETRICAL CURRENT IN AMPERES
A03068
®
47.88
1.885
Very Fast-Acting Fuses
5.08
.200
8.23
.324
MIN.
19.05
.750
.030
.76
20.19
.795
.030
.76
12.70
.500
B
1200
800
600
400
200
100
60
30
Time-Current Characteristic Curves–Average Melt
300
100
.01
10
.1
JJS-(35-60) V
1
1.562"
CURRENT IN AMPERES
(+ .020 – .000)
.806"
.150"
( .020)
.806"
Bussmann
Data Sheet: 1029
AMPERE
RATING
Form No. JJS
JJS
Page 2 of 2
1.432" ( .030)
®