Ee Sa PFST Polymeric PTC Resettable Fuse - Strap Typical Time to Trip at 23C Time to Trip (Seconds) 1 10 Fault Current (Amps} Standard Package | I 4 -D clk 100 S" Packaga oy i WGA * Fully compatible with current industry standards Weldable nickel terminals * Very low internal resistance * Applications: Rechargable Battery Pack Protection Approvals*: UL recognition, file #E172175 (1.2A - 1.75A/15V; 2A - 3.5A/30V) CSA acceptance, file #CA702083 . (1.2A - 1.75A/15V; 2A - 4.2A/30V) TUV certification, file #R2057690 * rated amps at hold current lhoig Typical Part Marking Represents total content. Layout may vary. MANUFACTURER'S TRADEMARK PART IDENTIFICATION [| sT1 Technical Data Operating/Storage Temperature -40C to +85C Maximum Device Surface Temperature in Tripped State 125C Passive Aging +85C, 1000 hours +5% typical resistance change Humidity Aging +85C, 85% R.H. 1000 hours +5% typical resistance change Thermal Shock +125C/-40C 10 times +10% typical resistance change Vibration MIL-STD-883C, Method 2007.1, No change Condition A Test Procedures And Requirements Test Test Conditions Accept/Reject Criteria Visual/Mech. Verify dimensions and materials Per PF physical description Resistance In still air @ 23C Rmin < R< Rma Time to Trip At specified current, max. 23C T < max. time to trip (seconds) Hold Current Trip Cycie Life Trip Endurance Product Dimensions Model 30 min. at Ihold Vmax, Imax, 100 cycles Vmax, 48 hours No trip No arcing or burning No arcing or burning Material DIMENSIONS = MME] SCHURTER PEST technical Data, continued TAL G, A ee Electrical Characteristics . Initial 1 Hour (Ry) Max. Time Tripped lhold lirip Resist Post-Trip To Trip Power V max. ; istance Resistance at 5*Ih Dissipation Volts Amperes Ohms Ohms Seconds Watts at 23C at 23C at 23C at 23C at 23C Hold Tr in. Max. Max. 01 All models packaged loose. Tested at 20.0 Amps Optional slotted leads (.S) available for 1.20 A and 1.75 A ratings Thermal Derating Chart - Inolgq (Amps) Ambient Operating Temperature Model -40C | -20C| oc | 23C | 40C | 50C | 60C | 70C | 85C PFST120 79 | 17 |151 12 710 7 09 | 08 | 07 | 05 PFST 1205 19) 47 1 15 7 12 1 10 | 09 | 08 107 1005 PFST150 251 20 | 18 115 | 13 1 11 11.0 1.09 | 07 PFST.175 2.5 2.3 2.0 1.7 1.5 1.3 1.2 11 0.9 PFST 1755 25 | 23 | 20 | 17 115 |) 13 | 12 | 14 709 PFST200 32>) 28 | 25 1 20 | 17) 16 | 14 |) 12 ) 09 PFST350 54.) 48 7 43 135 1 30 1 28 125 | 22) 17 PEST 420 64.1 6.7 | 51) 42 1 36 1 33 7 30 | 26 | 21 How To Order PF ST.120.S Product Designator Style ST = Axial Leaded Strap Component Hold Current, Inoid 420-420 (1.20 Amps - 4.20 Amps) Slotted Lead Option (.1205 and .175S only) Schurter's resettable fuses cross to many like products already on the market. See our online cross list at www.schurterinc.com/cross.htm 120 Schurter, Inc. Phone 707-778-6311 * Fax 707-778-6401 + E-mail info@schurterinc.com + Website http://www.schurterinc.com