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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
9 pcs
|
9 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Approval Agency | |
| Body Diameter (Nominal/Maximum) | |
| Body Thickness (max) | |
| Climatic Category | |
| Current | |
| Diameter | |
| Dissipation Factor | |
| Flammability Rating | |
| Heat Capacity | |
| Height (Max) | |
| Lead Diameter | |
| Lead Finish | |
| Lead Length (Min) | |
| Lead Spacing | |
| Lead Style | |
| Max Power | |
| Mounting Type | |
| R @ 25°C | |
| R @ Current | |
| Rated Temperature | |
| Safety Approvals | |
| Tape & Reel | |
| Termination Style | |
| Thermal Time Constant | |
| Tolerance | |
| Weight |
The B57236S0121M051 is a leaded NTC thermistor from TDK Corporation, specifically designed for inrush current limiting applications. It features a resistance of 120 Ohm at 25°C with a tolerance of ±20%. The device can handle a maximum current of 1.5A and a maximum power of 2.1W at 25°C. The thermal characteristics include a dissipation factor of 10 mW/K, a thermal time constant of 70 seconds, and a heat capacity of 700 mJ/K.
This inrush current limiter is housed in a through-hole, radial leaded package with a body diameter of 11.5 mm, thickness of 5.0 mm, and height of 16.0 mm. The leads are kinked tinned copper with a diameter of 0.6 ±0.05 mm and a spacing of 5.0 +0.6/-0.1 mm. The minimum lead length is 25.0 mm. The coating is flame retardant to UL 94 V-0.
The component is rated for a climatic category of 55/170/21 per IEC 60068-1, indicating an operating temperature range of -55°C to +170°C. It holds safety approvals from UL 1434, IEC, VDE, and CQC. The part is available in bulk, cardboard tape on reel, or ammo pack delivery modes.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.93 | $0.93 |
| 10+ | $0.83 | $0.83 |
| 50+ | $0.79 | $0.79 |
| 100+ | $0.76 | $0.76 |
| 500+ | $0.69 | $0.69 |
| 1,000+ | $0.60 | $0.60 |
| 2,000+ | $0.57 | $0.57 |
| 5,000+ | $0.55 | $0.55 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The climatic category per IEC 60068-1 is 55/170/21, indicating an operating temperature range of -55°C to +170°C.
Listed as RoHS3 compliant, but this is unverified and low confidence.
Through-hole, radial leaded package with kinked leads and tinned copper finish. Body diameter 11.5mm, thickness 5.0mm, height 16.0mm.
120 Ohm with ±20% tolerance.
Maximum current 1.5A, maximum power 2.1W at 25°C.
UL 1434, IEC, VDE, and CQC approvals.
Lead diameter 0.6 ±0.05 mm, lead spacing 5.0 +0.6/-0.1 mm, minimum lead length 25.0 mm.