Audio Transformer
WHTT4005 Audio Transformer
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01Specifications
WHTT4005 specifications
ParameterValue
PIN
4 PIN
L/W/H(mm*mm*mm)
11*8.2*5
AC impedance PRI:SEC(Ω)
600：600
DC resistance PRI:SEC(Ω)
160：135
Turn Ratio(PRI:SEC)
1±2%
Installation Method
SMD
Hi-Pot(AC)
1250V
Insertion Loss（dB）
-
Values are taken from published parameters; the datasheet prevails.
WHTT4005Need samples, or a value that is not in this table? Ask our FAE team.
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02Documents
Datasheet, CAD and reports
-
WHTT4005 Datasheet (PDF)2024-11-28 · This part Download ↓
-
3D model (STEP)2026-07-06 · This part Download ↓
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PCB Layout / Package2026-02-26 · This part Download ↓
-
Quality certificates (ISO / RoHS / REACH)Latest · All products View →
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03Quality
Quality and compliance
DocumentNo.Issued / tested byDateApplies toActions
Certificate
Certificate · Company
ISO 9001:2015No. 19826Q02503R101
Quality management systemBeijing Xinjiyuan Certification Co., Ltd.Valid 2026-10-17 to 2029-10-16
19826Q02503R101
Beijing Xinjiyuan Certification Co., Ltd.
Valid2026-10-17 to 2029-10-16
Company
View PDF →
Verify →
Scope: R&D and sales of precision electronic connectors
Certificate
Certificate · Company
ISO 14001:2015No. 19826E01323R101
Environmental management systemBeijing Xinjiyuan Certification Co., Ltd.Valid 2026-10-17 to 2029-10-16
19826E01323R101
Beijing Xinjiyuan Certification Co., Ltd.
Valid2026-10-17 to 2029-10-16
Company
View PDF →
Verify →
Scope: R&D and sales of precision electronic connectors ISO certificates cover VOOHU's management systems.
04Compare
Same-series Comparison
Red marks values that differ from this part; data from the published parameters of each part.
PIN
4 PIN
4 PIN
4 PIN
L/W/H(mm*mm*mm)
11*8.2*5
15.2*8.2*5
14.5*8.2*5
AC impedance PRI:SEC(Ω)
600：600
600：400
600：600
DC resistance PRI:SEC(Ω)
160：135
62：3.2
48：42
Turn Ratio(PRI:SEC)
1±2%
6±1%
1±2%
Installation Method
SMD
SMD
SMD
Hi-Pot(AC)
1250V
1250V
1250V
Insertion Loss（dB）
—
—
1
WHTT4005Not sure which part in the series fits? Ask our FAE team which one to sample.
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05Support
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01Replace your current partShare the part number you use today. An engineer compares pinout, package, electrical parameters and temperature range item by item, and lists the differences and open points.Start a replacement review →
02Does it match my PHY?Already chosen a PHY? See reviewed reference designs, or send your parameters and an engineer will match the RJ45 and protection parts.See matching options →
03Unstable link after useSeeing link drops, interference or failed tests? Send us the symptoms and conditions and get an FAE-reviewed troubleshooting checklist.Start troubleshooting →
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