BS 5336:1976

Foreword
Cooperating organizations
Specification
1. Scope
2. Object
3. Dimensions and electrical properties
Appendices
A. Form gauges
B. Calculation of the effective parameters of magnetic
    piece parts
Tables
1. Electrical properties for a pair of E-cores
    (reference 1)
2. Electrical properties for a pair of E-cores
    (reference 2)
3. Electrical properties for a pair of E-cores
    (reference 3)
4. Electrical properties for a pair of U-cores
    (reference 4)
5. Electrical properties for a pair of U-cores
    (reference 5)
6. Electrical properties for a pair of U- and I-core
    combination (reference 6)
7. Electrical properties for a pair of U-cores
    (reference 7)
8. Electrical properties for a pair of U-cores
    (reference 8)
9. Electrical properties for a pair of U-cores
    (reference 9)
10. Electrical properties for a pair of E-cores
    (reference 10)
11. Electrical properties for a pair of E-cores
    (reference 11)
12. Electrical properties for a pair of E-cores
    (reference 12)
13. Electrical properties for a pair of E-cores
    (reference 13)
Figures
1. Physical dimensions of E-core (reference 1)
2. Physical dimensions of E-core (reference 2)
3. Physical dimensions of E-core (reference 3)
4. Physical dimensions of U-core (reference 4)
5. Physical dimensions of U-core (reference 5)
6. Physical dimensions of U- and I-core combination
    (reference 6)
7. Physical dimensions of U-core (reference 7)
8. Physical dimensions of U-core (reference 8)
9. Physical dimensions of U-core (reference 9)
10.(a) Physical dimensions of E-core (reference 10)
10.(b) Essential dimensions of coil dormer for use
        with pair of E-cores (reference 10)
11.(a) Physical dimensions of E-core (reference 11)
11.(b) Essential dimensions of coil former suitable
        for use with pair of E-cores (reference 11)
12.(a) Physical dimensions of E-core (reference 12)
12.(b) Essential dimensions of coil former suitable
        for use with pair of E-cores (reference 12)
13.(a) Physical dimensions of E-core (reference 13)
13.(b) Essential dimensions of coil former suitable
        for use with pair of E-cores (reference 13)
A.1 Dimensions of gauges for E-cores
A.2 Dimensions of gauges for U-cores of rounded section
A.3 Dimensions of gauges for U-cores of rectangular
     section
A.4 Dimensions of gauges for E-cores
A.5 Dimensions of gauges for E-cores
B.1 Formulae for pair of E-cores of rounded section
B.2 Formulae for pair of U-cores of rounded section
B.3 Formulae for pair of U-cores of rectangular section
B.4 Formulae for pair of E-cores of rounded section,
     with slots

Dimensions and electrical properties of U-, E- and I-cores made of ferromagnetic oxides (ferrites) for use in high flux density applications, e.g. television line-output transformers, switched-mode power supplies and other high-frequency power transformers.