OEP Through Hole Audio Transformer 600Ω
- RS Stock No.:
- 123-7200
- Mfr. Part No.:
- A187A12C
- Brand:
- OEP
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Subtotal (1 unit)*
$131.77
(exc. GST)
$144.95
(inc. GST)
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In Stock
- 6 unit(s) ready to ship from another location
- Plus 5 unit(s) shipping from 18 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 9 | $131.77 |
| 10 + | $128.61 |
*price indicative
- RS Stock No.:
- 123-7200
- Mfr. Part No.:
- A187A12C
- Brand:
- OEP
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | OEP | |
| Primary Impedance | 600Ω | |
| Product Type | Audio Transformer | |
| Secondary Impedance | 600Ω | |
| Primary DC Resistance | 49.8Ω | |
| Secondary DC Resistance | 48.5Ω | |
| Mount Type | Through Hole | |
| Termination Type | PC Pin | |
| Minimum Operating Temperature | -20°C | |
| Maximum Operating Temperature | 70°C | |
| Standards/Approvals | No | |
| Series | A187A12C | |
| Weight | 0.056kg | |
| Length | 25mm | |
| Width | 29.4 mm | |
| Depth | 24mm | |
| Maximum Operating Frequency | 40kHz | |
| Isolation Voltage | 250Vrms | |
| Minimum Operating Frequency | 10Hz | |
| Construction | Mu-Metal Screening Can | |
| Turns Ratio | 1:1 | |
| Select all | ||
|---|---|---|
Brand OEP | ||
Primary Impedance 600Ω | ||
Product Type Audio Transformer | ||
Secondary Impedance 600Ω | ||
Primary DC Resistance 49.8Ω | ||
Secondary DC Resistance 48.5Ω | ||
Mount Type Through Hole | ||
Termination Type PC Pin | ||
Minimum Operating Temperature -20°C | ||
Maximum Operating Temperature 70°C | ||
Standards/Approvals No | ||
Series A187A12C | ||
Weight 0.056kg | ||
Length 25mm | ||
Width 29.4 mm | ||
Depth 24mm | ||
Maximum Operating Frequency 40kHz | ||
Isolation Voltage 250Vrms | ||
Minimum Operating Frequency 10Hz | ||
Construction Mu-Metal Screening Can | ||
Turns Ratio 1:1 | ||
- COO (Country of Origin):
- GB
OEP A187A12C Audio Input Transformers
A187A12C audio input transformers from OEP provide galvanic isolation and are constructed with multiple electrostatic and magnetic shields. They feature a low distortion core and reduce the audio hum and buzz between the ground at the send and receive terminations of the signal.
Proof voltage of 250 Vrms from windings to screen and from primary to secondary
140 pF interwinding capacitance at 20 Hz (primary to screens and secondary to screens)
1.2 mH primary leakage inductance at 1 kHz
2.82 H nominal inductance for each winding
Product Application Information
Suitable applications include ground loop elimination, high common mode rejection and dual electrostatic shields. Another use for these audio transformers is unbalanced line level to balanced microphone outputs.
Note
Do not pass DC through the windings.
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