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Littelfuse Inc. TRF250-145ST-B-0.5
- Part No.:
- TRF250-145ST-B-0.5
- Manufacturer:
- Littelfuse Inc.
- Category:
- PTC Resettable Fuses
- Package:
- Radial, Disc
- Datasheet:
-
TRF250-145ST-B-0.5.pdf
- Description:
- PTC RESET FUSE 60V 145MA RADIAL
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
TRF250-145ST-B-0.5 Information
- Specifications
- Comparison
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Littelfuse Inc.
- Package/Case:
- Radial, Disc
- Series:
- PolySwitch®, TRF250
- Packaging:
- Bag
- Product Status:
- Active
- Type:
- Polymeric
- Voltage - Max:
- 60V (250V Int)
- Current - Hold (Ih) (Max):
- 145 mA
- Current - Trip (It):
- 290 mA
- Current - Max:
- 3 A
- Time to Trip:
- 2.5 s
- Resistance - Initial (Ri) (Min):
- 3 Ohms
- Resistance - Post Trip (R1) (Max):
- 14 Ohms
- Resistance - 25°C (Typ):
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Ratings:
- -
- Mounting Type:
- Through Hole
- Size / Dimension:
- 0.256" L x 0.181" W (6.50mm x 4.60mm)
- Height - Seated (Max):
- 0.433" (11.00mm)
- Thickness (Max):
- -
- Lead Spacing:
- 0.197" (5.00mm)
| Image |  |
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| Part Number | TRF250-120T-RA-B-0.5 | TRF250-080U | TRF250-183 | TRF250-145 | TRF250-120-2 |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Package/Case | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc |
| Series | PolySwitch®, TRF250 | PolySwitch®, TRF250 | PolySwitch®, TRF250 | PolySwitch®, TRF250 | PolySwitch®, TRF250 |
| Packaging | Bag | Bag | Bulk | Bag | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Active |
| Type | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 60V (250V Int) | 60V (250V Int) | 100V (250V Int) | 60V (250V Int) | 60V (250V Int) |
| Current - Hold (Ih) (Max) | 120 mA | 80 mA | 183 mA | 145 mA | 120 mA |
| Current - Trip (It) | 240 mA | 160 mA | 685 mA | 290 mA | 240 mA |
| Current - Max | 3 A | 3 A | 10 A | 3 A | 3 A |
| Time to Trip | 1.2 s | 4 s | 1.8 s | 5 s | 2.5 s |
| Resistance - Initial (Ri) (Min) | 7 Ohms | 14 Ohms | 800 mOhms | 3 Ohms | 4 Ohms |
| Resistance - Post Trip (R1) (Max) | 16 Ohms | 33 Ohms | 3.4 Ohms | 14 Ohms | 16 Ohms |
| Resistance - 25°C (Typ) | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Ratings | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Size / Dimension | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.189" Dia x 0.150" T (4.80mm x 3.80mm) | 0.295" Dia x 0.161" T (7.50mm x 4.10mm) | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.256" L x 0.181" W (6.50mm x 4.60mm) |
| Height - Seated (Max) | 0.433" (11.00mm) | 0.366" (9.30mm) | 0.413" (10.50mm) | 0.433" (11.00mm) | 0.433" (11.00mm) |
| Thickness (Max) | - | - | - | - | - |
| Lead Spacing | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) |
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