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F E R R I T E S
REMINDERS FOR USING THESE PRODUCTS
Please be sure to read this manual thoroughly before using the products.
The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications equipment,
home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement equipment,
industrial robots) under a normal operation and use condition.
The products are not designed or warranted to meet the requirements of the applications listed below, whose performance and/or quality
require a more stringent level of safety or reliability, or whose failure, malfunction or trouble could cause serious damage to society, person
or property.
When using the products for specific purposes, please first make confirmations in areas such as safety, reliability, and quality.
Please understand that we are not in a position to be held responsible for any damage or the like caused by any use exceeding the range
or conditions of this specification sheet or by any use in the specific applications.
(1) Aerospace/Aviation equipment
(2) Transportation equipment (electric trains, ships, etc.)
(3) Medical equipment
(4) Power-generation control equipment
(5) Atomic energy-related equipment
(6) Seabed equipment
(7) Transportation control equipment
(8) Public information-processing equipment
(9) Military equipment
(10) Electric heating apparatus, burning equipment
(11) Disaster prevention/crime prevention equipment
(12) Safety equipment
(13) Other applications that are not considered general-purpose
applications
When using this product in general-purpose standard applications, you are kindly requested to take into consideration securing protection
circuit/equipment or providing backup circuits, etc to ensure higher safety.
20160630 / ferrite_mz_large_uu_en.fm
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F E R R I T E S
Large Size Ferrite Cores for High Power
Product compatible with RoHS directive
Halogen-free
Overview of the UU Series
FEATURES
Large size cores for transformers with large power outputs.
Can also be used in reactors.
APPLICATION
Large size industrial equipment, transformers for consumer equipment
Reactors
PART NUMBER CONSTRUCTION
PE22
Material
PE22
PC40
PE90
UU
Core shape
UU
79
Width
79
100
100
101
120
80
×
129
Height when
assembled
115
129
150
151
160
×
31
Thickness
31
30
20
25
20
30N
30N
25N
RANGE OF USE AND STORAGE TEMPERATURE
Temperature range
Operating
temperature
（°C）
–30 to +105
Storage
temperature
（°C）
–30 to +85
RoHS Directive Compliant Product: See the following for more details.https://product.tdk.com/info/en/environment/rohs/index.html
Halogen-free: Indicates that Cl content is less than 900ppm, Br content is less than 900ppm, and that the total Cl and Br content is less than 1500ppm.
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20160630 / ferrite_mz_large_uu_en.fm
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F E R R I T E S
Mn-Zn UU
series
Part No.: PE22 UU79X129X31
SHAPES AND DIMENSIONS
R22
129.0±2.5
85.0±1.5
R5
34.0min.
79.0±2.5
22.0±1.0
31.5±1.0
Dimensions in mm
Effective parameter
Core factor
Effective
magnetic path
length
ℓe
(mm)
Effective
cross-sectional
area
Ae
(mm
2
)
Effective
core volume
Ve
(mm
3
)
Minimum
cross-sectional
area
Winding
cross-sectional
area
Acw
(mm
2
)
Weigh
(approx.)
Electrical
characteristics
A
L
-value
C
1
(mm
–1
)
C
2
u10
–2
(mm
–3
)
A min.
(mm
2
)
(g)
(nH/N
2
)
1kHz
0.4A/m
23°C
0.44605
0.06437
309
693
214220
693LB
2980
1080
4790±25%
The symbol followed A min. value shows minimum cross-sectional area part.
L is outer pole part, B is the back part.
NI limit vs. A
L
-value
10
3
A
L
-value vs. Air gap length
10
4
20%
A
L
-value(nH/N
2
)
10
2
NI limit (AT)
40%
Spacer gap
10
3
10
1
10
2
Temp: 100
°
C
Temp: 23°C
Hm : 0.4A/m
f : 1kHz
10
1
10
–1
10
0
10
1
10
0 1
10
10
2
10
3
A
L
-value (nH/N
2
)
10
4
Total gap length(mm)
The 20% and 40% graph shows when a
20% and 40% drop from the initial A
L
-
value has been made due to the DC
superimposition.
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20160630 / ferrite_mz_large_uu_en.fm
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