B78308A2387A003 [TDK]
IGBT/FET用变压器;
| 型号： | B78308A2387A003 |
| 厂家： | 
TDK ELECTRONICS |
| 描述： | IGBT/FET用变压器 变压器 双极性晶体管 |
| 文件： | 总12页 (文件大小：776K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SMD Transformers
E13 EMHV series
Series/Type:
B78308*A003
Ordering code:
Date:
May 2022
TDK Electronics AG 2022. Reproduction, publication and dissemination of this publication, enclosures hereto
and the information contained therein without TDK Electronics’ prior express consent is prohibited.
SMD Transformers
E13 EMHV series
B78308*A003
Construction
Ferrite core MnZn
SMD gullwing pins
Triple insulated wire class F (155 °C)
Non-conductive pick-and-place cap on top
Features
Height: 11.6 mm max
Footprint: 16.2 mm x 13.4 mm
Plastic Bobbin CTI IIIa class material
Wide temperature range from –40 °C up to +150 °C
Qualified to AEC-Q200
RoHS compatible
Applications
Isolated DC/DC converters
Insulation characteristics
PRI / SEC (Cumulative): Creepage 11.2 mm, Clearance 8.14 mm
Core / Top surface: Creepage and Clearance 3.25 mm
PRI / core: Creepage 7.5 mm, Clearance 5.1 mm
SEC / core: Creepage 3.7 mm, Clearance 3.05 mm
Insulation distances sufficient for basic insulation according to IEC 60664-1, 61558-2-16 for
working voltage 1000 V DC, Transient over voltage 2500 VPeak, P2, CTI IIIa, 5000 m altitude.
Insulation distances sufficient for reinforced insulation according to IEC 60664-1, 61558-2-16 for
working voltage 300 V, P2, OVC II, CTI IIIa, 2000 m altitude.
Marking
Product brand, middle block of ordering code, date code, pin 1 marker, production place
identification code
Delivery mode
Tape and reel 13” diameter
Packing unit: 190 pcs per reel
Please read Cautions and warnings and
Important notes at the end of this document.
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SMD Transformers
E13 EMHV series
B78308*A003
Dimensional drawing and recommendation
Dimensions in mm
Recommended PCB layout (Top View)
Please read Cautions and warnings and
Important notes at the end of this document.
3
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SMD Transformers
E13 EMHV series
B78308*A003
Flyback Topology applicable Transformer Product parameters
Characteristics and ordering code: specified at +25 °C if not mentioned otherwise, all values without
tolerances are typical values.
Units
Ordering codes
B78308A2461A003
B78308A2462A003
F2
Reference Schematic
Turns ratio
F1
1 : 0.22 : 0.78
1 : 0.33 : 0.67
Typical operational frequency
kHz
µH
100 ... 400 kHz
LN1 (1-4)
4.1 10%
4.1 10%
at 100 kHz, 10 mV
LL, N1 (1-4)
nH
330
300
at 100 kHz, 10 mV
short 5, 6, 8
short 5, 6, 8
R
R
R
DC, N1
DC, N2
DC, N3
m
m
m
A
100
50
100
75
150
4
130
4
Saturation Current ISAT, N1
at T +150 °C, L=Lo-20%
Typical diagram for LN1
saturation
G1
High Voltage Test
V AC
V AC
VPEAK
VPEAK
3000
Routine test: 50 Hz, 1 sec
High Voltage Test
(N1) / (N2,N3)
3750
Type test: 50 Hz, 1 min
Partial discharge inception
voltage, Type test
(N1) / (N2,N3)
1500
(N1) / (N2,N3)
1200
Partial discharge extinction
voltage, Type test
(N1) / (N2,N3)
Surge voltage Test
Type test
6 kV peak; 1.2/50 µs,
(N1) / (N2,N3)
Recommonded IC
L9502 – STMicroelectronics
Please read Cautions and warnings and
Important notes at the end of this document.
4
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SMD Transformers
E13 EMHV series
B78308*A003
Schematics and saturation graph
F1
F2
B78308A2461A003 and B78308A2462A003 - Saturation at different temperatures (typical
curves)
G1
Please read Cautions and warnings and
Important notes at the end of this document.
5
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SMD Transformers
E13 EMHV series
B78308*A003
Push Pull / Half Bridge topology applicable Transformer Product parameters
Characteristics and ordering codes: specified at +25 °C if not mentioned otherwise, all values
without tolerance are typical values.
Units
Ordering codes
B78308A2387A003 B78308A2484A003 B78308A2485A003
Reference Schematic
Turns ratio
F3
F3
F4
1 : 1.07
1 : 1.07
1 : 1 : 0.57 : 2.14
Typical operational
frequency
kHz
µH
100 ... 400 kHz
L
N1 (min)
100
90
90
at 100 kHz, 100 mV
LL, N1
short (2, 3)
µH
0.8
2.6
1.1
at 100 kHz, 100 mV
short 8-5
short 8-5
short (2, 3) &
5, 6, 7, 8
CP
pF
9
2
6
at 20 kHz, 1 V
(N1 / N2)
(N1 / N2)
(N1,N2) / (N3,N4)
R
R
R
R
DC, N1
DC, N2
DC, N3
DC, N4
m
m
m
m
260
350
–
260
350
–
175
175
85
–
–
280
25
Voltage Time Product V x µVs
Unipolar, Bmax = 220 mT
15
15
Voltage Time Product V x µVs
Unipolar, Bmax = 440 mT
30
30
50
High Voltage test
V AC
3000
3000
3000
(N1,N2) / (N3,N4)
3750
Routine test: 50 Hz, 1 sec
High Voltage Test
(N1 / N2)
(N1 / N2)
V AC
3750
Type test: 50 Hz, 1 min
(N1 / N2)
1500
(N1,N2) / (N3,N4)
1500
Partial discharge incep- VPEAK
voltage, type test
(N1 / N2)
1200
(N1,N2) / (N3,N4)
1200
Partial discharge extinc- VPEAK
voltage, type test
(N1 / N2)
(N1,N2) / (N3,N4)
Please read Cautions and warnings and
Important notes at the end of this document.
6
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SMD Transformers
E13 EMHV series
B78308*A003
Other characteristics
Storage conditions
Climatic category
Resistance to reflow
soldering heat
–25 °C ... +40 °C, humidity 75% RH
40/150/56 (to IEC 60068)
In accordance with JEDEC J-STD-020D Tpeak = +245 °C
(Tpeak –5 °C for 30 seconds)
Operating temperature range
Weight
–40 °C ... +150 °C (component)
Approx. 2.5 g
Referenced Schematics
F3
F4
Please read Cautions and warnings and
Important notes at the end of this document.
7
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SMD Transformers
E13 EMHV series
B78308*A003
Blister tape
Reel
Please read Cautions and warnings and
Important notes at the end of this document.
8
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SMD Transformers
E13 EMHV series
B78308*A003
Recommended reflow soldering curve
Pb-free solder material (based on JEDEC J-STD 020E)
T1
T2
T3
T4
t1
t2
t3
s
°C
°C
°C
°C
s
s
150
200
217
245
60 – 120
60 – 150
< 30 at T4 –5 °C
Time from +24 °C to T4: max. 480 s
Maximal numbers of reflow cycles: 3
Please read Cautions and warnings and
Important notes at the end of this document.
9
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SMD Transformers
E13 EMHV series
B78308*A003
Cautions and warnings
Please note the recommendations in our Inductors data book (latest edition) and in the data
sheets.
– Particular attention should be paid to the derating curves given there.
– The soldering conditions should also be observed. Temperatures quoted in relation to wave
soldering refer to the pin, not the housing.
If the components are to be washed varnished it is necessary to check whether the washing
varnish agent that is used has a negative effect on the wire insulation, any plastics that are used,
or on glued joints. In particular, it is possible for washing varnish agent residues to have a
negative effect in the long-term on wire insulation.
Washing processes may damage the product due to the possible static or cyclic mechanical
loads (e.g. ultrasonic cleaning). They may cause cracks to develop on the product and its parts,
which might lead to reduced reliability or lifetime.
The following points must be observed if the components are potted in customer applications:
– Many potting materials shrink as they harden. They therefore exert a pressure on the plastic
housing or core. This pressure can have a deleterious effect on electrical properties, and in
extreme cases can damage the core or plastic housing mechanically.
– It is necessary to check whether the potting material used attacks or destroys the wire, wire
insulation, plastics or glue.
– The effect of the potting material can change the high-frequency behaviour of the components.
– Many coating materials have a negative effect (chemically and mechanically) on the winding
wires, insulation materials and connecting points. Customers are always obligated to
determine whether and to what extent their coating materials influence the component.
Customers are responsible and bear all risk for the use of the coating material. TDK
Electronics does not assume any liability for failures of our components that are caused by the
coating material.
Ceramics / ferrites are sensitive to direct impact. This can cause the core material to flake, or
lead to breakage of the core.
Even for customer-specific products, conclusive validation of the component in the circuit can
only be carried out by the customer.
Display of ordering codes for TDK Electronics products
The ordering code for one and the same product can be represented differently in data sheets, data
books, other publications, on the company website, or in order-related documents such as shipping
notes, order confirmations and product labels. The varying representations of the ordering
codes are due to different processes employed and do not affect the specifications of the
respective products. Detailed information can be found on the Internet under
www.tdk-electronics.tdk.com/orderingcodes.
Please read Cautions and warnings and
Important notes at the end of this document.
10 5/22
Important notes
The following applies to all products named in this publication:
1. Some parts of this publication contain statements about the suitability of our products for
certain areas of application. These statements are based on our knowledge of typical
requirements that are often placed on our products in the areas of application concerned. We
nevertheless expressly point out that such statements cannot be regarded as binding
statements about the suitability of our products for a particular customer application. As
a rule, we are either unfamiliar with individual customer applications or less familiar with them
than the customers themselves. For these reasons, it is always ultimately incumbent on the
customer to check and decide whether a product with the properties described in the product
specification is suitable for use in a particular customer application.
2. We also point out that in individual cases, a malfunction of electronic components or
failure before the end of their usual service life cannot be completely ruled out in the
current state of the art, even if they are operated as specified. In customer applications
requiring a very high level of operational safety and especially in customer applications in which
the malfunction or failure of an electronic component could endanger human life or health (e.g.
in accident prevention or life-saving systems), it must therefore be ensured by means of suitable
design of the customer application or other action taken by the customer (e.g. installation of
protective circuitry or redundancy) that no injury or damage is sustained by third parties in the
event of malfunction or failure of an electronic component.
3. The warnings, cautions and product-specific notes must be observed.
4. In order to satisfy certain technical requirements, some of the products described in this
publication may contain substances subject to restrictions in certain jurisdictions (e.g.
because they are classed as hazardous). Useful information on this will be found in our
Material Data Sheets on the Internet (www.tdk-electronics.tdk.com/material). Should you have
any more detailed questions, please contact our sales offices.
5. We constantly strive to improve our products. Consequently, the products described in this
publication may change from time to time. The same is true of the corresponding product
specifications. Please check therefore to what extent product descriptions and specifications
contained in this publication are still applicable before or when you place an order.
We also reserve the right to discontinue production and delivery of products.
Consequently, we cannot guarantee that all products named in this publication will always be
available. The aforementioned does not apply in the case of individual agreements deviating
from the foregoing for customer-specific products.
6. Unless otherwise agreed in individual contracts, all orders are subject to our General Terms
and Conditions of Supply.
11 5/22
Important notes
7. Our manufacturing sites serving the automotive business apply the IATF 16949
standard. The IATF certifications confirm our compliance with requirements regarding the
quality management system in the automotive industry. Referring to customer requirements
and customer specific requirements (“CSR”) TDK always has and will continue to have the
policy of respecting individual agreements. Even if IATF 16949 may appear to support the
acceptance of unilateral requirements, we hereby like to emphasize that only requirements
mutually agreed upon can and will be implemented in our Quality Management System.
For clarification purposes we like to point out that obligations from IATF 16949 shall only
become legally binding if individually agreed upon.
8. The trade names EPCOS, CarXield, CeraCharge, CeraDiode, CeraLink, CeraPad, CeraPlas,
CSMP,
CTVS, DeltaCap, DigiSiMic, ExoCore, FilterCap, FormFit, LeaXield, MiniBlue,
MiniCell, MKD, MKK, ModCap, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap,
PowerHap, PQSine, PQvar, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID,
SineFormer, SIOV, ThermoFuse, WindCap, XieldCap are trademarks registered or pending
in Europe and in other countries. Further information will be found on the Internet at
www.tdk-electronics.tdk.com/trademarks.
Release 2020-06
12 5/22
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