Polymer PTC Resettable Fuse: KRT Series

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Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications eatures 1. RoHS & Halogen-ree (H) compliant 2. Hold current ratings from 0.08 to 0.18 3.

1 Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications eatures 1. RoHS & Halogen-ree (H) compliant 2. Hold current ratings from 0.08 to High operating voltage rating :100Vdc/250Vdc 4. Resettable for over-current protection 5. Operating & storage temperature ranges: -40 ~ gency recognition: UL / cul / TUV Recommended pplications 1. Telecommunication 2. Network equipment 3. Set-top box Part Number ode K R T Y K Product Type THINKING Polymer PT Resettable use orm actor R Radial T Usage Telecom Interrupt Voltage V V I hold ppearance Y Kink lead R Packaging ulk mmo Taping Reel Taping Y YU YR YUR YT YUT Optional Suffix RoHS & H ompliant RoHS & H & uncoated RoHS & H & round type RoHS & H & uncoated & round type RoHs & H & fast trip RoHs & H & uncoated & fast trip THINKING LTRONI INUSTRIL O., LT

2 Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications Structure and imensions KRT250 Series Style 1 (oated) (Unit: mm) igure Max. Max. Typ. Min. Max. Typ. Style KRT ± ± KRT U ± ± KRT T ± ± KRT ± ± KRT U ± ± KRT ± ± KRT U ± ± KRT UT ± ± KRT T ± ± KRT ± ± KRT U ± ± KRT T ± ± KRT ± ± KRT U ± ± KRT R ± ± KRT UR ± ± KRT600 Series Style 2 (oated) Marking: oated device is marked with product type, max. interrupt voltage,and I hold. Style 3 (Uncoated) Style 4 (Uncoated) Style 1 (Unit: mm) igure Max. Max. Typ. Min. Max. Style KRT ± ± KRT ± ± KRT ± ± THINKING LTRONI INUSTRIL O., LT

3 Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications lectrical haracteristics at 23 KRT250 Series Vmax. V interrupt Imax. Ihold Itrip Pd (Typ.) Maximum Time to Trip urrent Time Initial Ri Resistance Post Trip R1 Safety pprovals (V dc) (V ac) () () () (W) () (Sec.) Min. (Ω) Max. (Ω) UL/cUL TUV Q KRT KRT U KRT T KRT KRT U KRT KRT U KRT UT KRT T (typ.) 1.5(max.) 0.70(typ.) 1.2(max.) KRT KRT U KRT T KRT KRT U KRT R KRT UR KRT 600 series Vmax. V interrupt Imax. Ihold Itrip Pd (Typ.) Maximum Time to Trip urrent Time Initial Ri Resistance Post Trip R1 Safety pprovals (V dc) (V ac) () () () (W) () (Sec.) Min. (Ω) Max. (Ω) UL/cUL TUV Q KRT KRT KRT Note: UL&cUL ile No: TUV ile No: R , J Q ile No: THINKING LTRONI INUSTRIL O., LT

Percentage of Rated urrent (%) Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications Typical Time to Trip urves at 23 Ihold & Itrip Thermal erating urve 180 160 140

4 Percentage of Rated urrent (%) Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications Typical Time to Trip urves at 23 Ihold & Itrip Thermal erating urve erating urve for KRT250 Series = KRT =Others mbient Temperature( ) THINKING LTRONI INUSTRIL O., LT

5 Percentage of Rated urrent (%) Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications 180 erating urve for KRT600 Series mbient Temperature( ) Ihold Thermal erating hart (Unit: ) mbient Temperature KRT KRT U KRT T KRT KRT U KRT KRT U KRT UT KRT T KRT KRT U KRT T KRT KRT U KRT R KRT UR KRT KRT KRT THINKING LTRONI INUSTRIL O., LT

6 Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications Reliability Item Standard Test onditions / Methods riteria Resistance to Soldering Heat I ± 5, 10 ± 1 sec Rf<R1max No visible damage Passive ging I ±5, 1000±24hrs ±5% typical resistance change Humidity ging I ±5, 80~85%RH,1000±5hrs ±5% typical resistance change Rapid hange of Temperature I ±5/-40±5, 10 cycles, uration: 30min ±5% typical resistance change Overload and ndurance Test UL 1434 Vmax, 120% Imax, 50 cycles Vmax, 300% Itrip, 6000 cycles No visible damage ging Test UL 1434 Vmax, Itrip I Imax, 1000±24hrs No visible damage Packaging evices are taped according to I standard. See table below and igure1 to igure 3 for details. imension description I Mark imension (mm) Tolerance (mm) Sprocket hole pitch P ±0.3 Ordinate to adjacent component lead P ±0.7 evice pitch KRT KRT , KRT P evice pitch KRT ±1.0 Lead spacing 5.00 ±0.8 Lead diameter d 0.60 ±0.02 arrier tape width W /-0.5 Top distance between tape edges W Max Hold-down tape width W ±1.5 Sprocket hole position W /-0.5 bscissa to top H Max. bscissa to plane (kinked lead) H ±0.5 Sprocket hole diameter ±0.2 Lead protrusion L Max Tape thickness T 0.60 ±0.2 ody lateral deviation Δh 2.00 Max. ody tape plane deviation Δp 1.00 Max. Reel width W ±1 Reel diameter ±10 rbor hole diameter n ±1 ore diameter n Min. THINKING LTRONI INUSTRIL O., LT

7 Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications Taping Specification ig. 1 or KRT , KRT , KRT R, KRT UR P Δh Δh P1 d H H1 W1 W2 H0 W W0 L1 P0 0 T ig. 2 or KRT ~ KRT , KRT , KRT P Δh Δh H1 P1 d H W1 W2 H0 W W0 L1 P0 0 T Reel Specification n ig. 3 n0 W3 THINKING LTRONI INUSTRIL O., LT

8 Polymer PT Resettable use: KRT Series Radial Lead Type or Telecom pplications Quantity ulk Packing Series Quantity (pcs/bag) KRT250 (0008 ~ 0015) 300 KRT KRT600 series 100 Reel Packing Series Quantity (pcs/reel) KRT250 (0008 ~ 0015) 1,500 KRT , KRT ,200 KRT mmo Packing Series Quantity (pcs/box) KRT250 series 500 KRT600 series 500 (Unit: mm) Series W L H KRT250/KRT Warehouse Storage onditions of Products Storage onditions: 1. Storage Temperature: -10 ~ Relative Humidity: 75%RH 3. Keep away from corrosive atmosphere and sunlight. Period of Storage : 1 year THINKING LTRONI INUSTRIL O., LT

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