Document 1783-1
For Isolated Gate Driver
LLC Half-Bridge Transformers Bias Supply
Halogen
Free
• Low interwinding capacitance to minimize EMI and achieve
high CMTI (Common Mode Transient Immunity)
• Optimized for isolated bias supplies for SiC and GaN gate
drivers, such as Texas Instrument UCC25800-Q1
• Ideal for automotive OBC and traction Inverters in EV/HEV
• Highly automated for cost-effective and exceptional quality
and reliability
AEC
+
Q200 125°C
• AEC-Q200 (–40°C to +125°C) and Isolation (VDC) 40007
Core material Ferrite
Terminations RoHS compliant tin over nickel over silver glass frit.
Weight 0.53 – 0.54 g
Max part temperature +125°C
Ambient temperature –40°C to +125°C
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level ꢁMSLꢂ 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 350/7″ reel; 1500/13″ reel Plastic tape: 16 mm wide,
0.4 mm thick, 8 mm pocket spacing, 5.5 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf
Cap6
max
ꢁpFꢂ
Turns
ratio
Pri : Sec
Inductance2
±±0ꢀ ꢁ(Hꢂ
DCR max3
ꢁOhmsꢂ
Leakage L4
±ꢃ0ꢀ ꢁ(Hꢂ
Volt-time
product
ꢁV-(secꢂ
Part
Irms5
ꢁmAꢂ
number1
Pri
Sec
Pri
Sec
Pri
Sec
HTX7045C-753ARC
HTX7045C-104ARC
HTX7045C-124DRC
HTX7045C-124ERC
HTX7045C-124FRC
1 : 1
75
100
120
120
120
75
100
54
0.35
0.40
0.42
0.42
0.42
0.35
0.40
0.28
0.32
0.35
8.5
9.5
12.5
12
8.5
9.5
5.5
6.5
7.5
730
680
660
660
660
33.9
38.8
38.8
45.3
38.8
0.75
0.90
0.70
0.70
0.75
1 : 1
1.5 : 1
1.33 : 1
1.2 : 1
68
84
11
HTX7045C-134BRC
HTX7045C-144CRC
2.5 : 1
2.0 : 1
130
140
21
35
0.44
0.45
0.17
0.23
15
15
2.5
3.5
660
640
45.3
45.3
0.70
0.75
1. When ordering, please specify turns ratio and packaging codes:
HTX7045C-144CRC
Turns ratio: A= 1:1 B = 2.5:1 C = 2:1 D = 1.5:1
E = 1.33:1 F = 1.2:1
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (350 parts per full reel). Quantities less than full
reel available: in tape (not machine ready) or with
leader and trailer ($25 charge).
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (1500 parts per
full reel).
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 ADC on an Agilent
4263B (or equivalent) with a Coilcraft CCF1546 test fixture.
3. DCR is measured on a Keithley 580 Micro-ohmmeter (or equivalent).
4. Leakage Inductance LL is measured at 100 KHz, 0.1 Vrms on an Agi-
lent 4263B (or equivalent) with a Coilcraft CCF1546 test fixture, Sec is
shorted for PRI LL / PRI is shorted for SEC LL.
5. Current that causes a 40°C rise from 25°C when applied to the primary
winding with secondary current defined by the turns ratio.
6. Capacitance Cp is measured at 250 KHz, 0.1 Vrms on Voltech with
CCF1611 test fixture.
7. 2800 Vrms, 4000 VDC; one minute isolation (hipot) measured between
primary and secondary. 4.9 mm creepage and clearance Material
Group 1 (CTI>600).
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
inches
mm
Dimensions are in
Document 1783-1 Revised 02/07/24
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2024
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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