Y□F Series

Features
- It is a non-resettable thermal link that uses a fusible alloy for its thermal element.
- It is compliant with RoHS2.
- Extremely simple construction ensures reliability, and hermetically sealed thermal element reduces deterioration with age.
- It has superior thermal sensitivity.
- It uses an insulating container.
- Please feel free to ask us about cutting, forming, and taping of lead wire.

| Lead length | Dimensions (mm) | |||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| Regular | Y□F-C | 10.0±0.3 | 38±3 | 3.0±0.2 | 3.3or below | 0.7±0.05 |
| Long | Y□F | 10.0±0.3 | 68±3 | 3.0±0.2 | 3.3or below | 0.7±0.05 |
Specification
| Type No. | Rated functioning temperature Tf (℃) | Functioning temperature (℃) |
Holding temperature Th (℃) | Maximum use temperature (℃) | Maximum temperature limitTm (℃) | Electrical rating | |
|---|---|---|---|---|---|---|---|
| Ampere (A) |
Voltage (V) |
||||||
| Y2F | 102 | 98±3 | 70 | 65 | 200 | 5.0 | AC250 |
| 65 | 65 | 5.5 | AC125 | ||||
| 60 | 60 | 6.0 | DC50 | ||||
| Y3F | 115 | 111±2 | 87 | 85 | 200 | 5.0 | AC250 |
| 85 | 85 | 5.5 | AC125 | ||||
| 80 | 80 | 6.0 | DC50 | ||||
| Y4F | 127 | 123±2 | 99 | 90 | 200 | 5.0 | AC250 |
| 95 | 90 | 5.5 | AC125 | ||||
| 89 | 80 | 6.0 | DC50 | ||||
Safety standard information
| Type No. | Safety standard approval | |||||
|---|---|---|---|---|---|---|
| PSE | UL | C-UL | VDE | CCC | KC | |
| Y2F | JET5823-32001-1003 (AC250V) |
E73591 | E73591 | 40005099 | 2020980205000116 (AC250V) |
SU05028-10001 (AC250V) |
| Y3F | JET5823-32001-1003 (AC250V) |
E73591 | E73591 | 40005099 | 2020980205000116 (AC250V) |
SU05028-10001 (AC250V) |
| Y4F | JET5823-32001-1004 (AC250VV) |
E73591 | E73591 | 40005099 | 2020980205000116 (AC250V) |
SU05028-10004 (AC250V) |
- Functioning temperature is measured with silicone oil bath of which temperature is increased at the rate of 1℃/min.
Detecting current is 0.1A or less. - Please feel free to contact us in regard of the details of safety standard approvals.