ER-25 250W Active Clamp ODM OEM Power Planar Current Transformers Supply
Features:
- With primary windings tied in series
- With primary tied in series and all secondaries shorted
- Use ER25 Planar transformer magnetic core,multilayer pcb technique
- Use for DC/DC module power ,max output power 250W
- withstand voltage between secondary coils:1.5KVDC
- Working frequency:100k-200K
- Working temperature Range: -40℃ to 85℃
Specifaction :

PART NUMBER | Pri to Sec Ratio | Primary N1(P1-P2) | Sec N2(S1-S2) |
( N1:N2) | Inductance ( Min) | LeakageInductance (Max) | DC Resistance (Max) |
ER25T216011 | 16:1 | 1.1µH | 2.8µH | 110mΩ | 0.6mΩ |
ER25T216021 | 16:2 | 1.1µH | 2.8µH | 110mΩ | 1.1mΩ |
ER25T216031 | 16:3 | 1.1µH | 2.8µH | 110mΩ | 2.8mΩ |
ER25T216041 | 16:4 | 1.1µH | 2.8µH | 110mΩ | 4.5mΩ |

PART NUMBER | Pri to Sec Ratio | Primary N1(P1-P2) | Sec N2(S1-S2) |
( N1:N2) | Inductance ( Min) | LeakageInductance (Max) | DC Resistance (Max) |
ER25T202021 | 2:2 | 22µH | 0.5µH | 1.6mΩ | 0.8mΩ |
ER25T203021 | 3:2 | 50µH | 0.5µH | 2.5mΩ | 0.8mΩ |
ER25T203031 | 3:3 | 50µH | 0.5µH | 2.5mΩ | 1.1mΩ |
ER25T204021 | 4:2 | 88µH | 0.5µH | 5.5mΩ | 0.8mΩ |
ER25T204031 | 4:3 | 88µH | 0.5µH | 5.5mΩ | 1.1mΩ |
ER25T204041 | 4:4 | 88µH | 0.5µH | 5.5mΩ | 3.0mΩ |
ER25T214021 | 14:2 | 250µH | 0.5µH | 95mΩ | 1.0mΩ |
ER25T216021 | 16:2 | 250µH | 0.5µH | 115mΩ | 0.8mΩ |

PART NUMBER | Pri to Sec Ratio | Primary (N1+N2) | Sec (N3+N4) |
( N1:N2) | Inductance ( Min) | LeakageInductance (Max) | DC Resistance (Max) |
ER25T402041 | (2+2):(4+4) | 17.5µH+17.5µH | 0.5µH+0.5µH | 3.1mΩ+3.1mΩ | 6.3mΩ+6.3mΩ |
TIGER designs and manufactures a wide range of products for critical applications in various industries, including but not limited to:
· Automotive
· Consumer Electronics
· Industrial
· Medical
· Military & Aerospace
· Telecommunications
We are uniquely positioned to offer the highest quality products for critical applications as well as cost effective products for price sensitive applications.
FAQ
1. Q: Can I get some samples?
A: Yes, sample order is available for quality check and market test.
2. Q: What's the delivery time?
A: Sample order needs 10 days. Formal order needs around 20 days.
3. Q: What's your payment terms?
A: We usually accept T/T at sight as the main payment terms, and other payment can also be negotiated.
4. Q: Do you have the prodcts in stock?
A: Yes,we will keep some general ones in stock.
5. Q: Can I mix different models in one container?
A: Yes,different models can be mixed up.
6. Q: Do you customize for customer or accept OEM Orders ?
A: Yes,we provide designing and customizing services. OEM orders are also accepted.