NTC Thermistors Surge Current Limiters ADVANCED THERMAL PRODUCTS, Inc. Description: ATP Surge Current Limiters are a cost-effective way of limiting the inrush of current that can damage components in switching power supplies or other electronic devices. These specially formulated NTC Thermistors have an initial high resistance that can limit current surge for up to several seconds. During this time, the heat generated within the device causes the resistance to decrease to a very low level. The resulting voltage drop across the Surge Current Limiter is negligible. Surge Current Limiters are available in standard configurations, with a wide range of resistance and current carrying capabilities to fit your needs. They also can be custom designed to meet a variety of resistance, tolerance, size, lead configuration, and custom package specifications. ATP Surge Current Limiters Type Number SCL32 SCL22 SCL22 SCL32 SCL10 SCL22 SCL15 SCL15 SCL22 SCL15 SCL10 SCL12 SCL15 SCL15 SCL15 SCL22 SCL22 SCL10 SCL10 SCL15 SCL22 SCL15 SCL12 SCL15 SCL12 SCL15 SCL15 SCL12 SCL15 SCL15 50 0R530 0R712 1R020 1R030 1R308 2R018 2R508 2R509 2R515 4R008 5R003 5R004 5R005 5R006 5R007 5R012 7R005 10002 10003 10004 10005 10006 16003 16004 20002 25003 47003 50002 12102 22102 R@25 () 0.5 0.7 1 1 1.3 2 2.5 2.5 2.5 4 5 5 5 5 5 5 7 10 10 10 10 10 16 16 20 25 47 50 120 220 Maximum Steady State Current (Amperes) 30 12 20 30 8 18 8 9 15 8 2.8 4 5 6 7 12 5 2 3 4 5 6 2.7 4 2 3 3 2 2 2 Resistance@ Max Steady State Current (Ohms) 0.01 0.02 0.02 0.02 0.05 0.03 0.07 0.04 0.03 0.07 0.25 0.17 0.15 0.10 0.07 0.06 0.16 0.30 0.20 0.21 0.20 0.15 0.40 0.27 0.50 0.40 0.50 0.72 1.18 0.80 "D" Maximum Coated Diameter "T" Maximum Coated Thickness Lead Diameter (mm) (inches) (mm) (inches) (mm) (inches) 32.00 22.00 22.00 32.00 9.50 22.00 15.00 15.00 22.00 15.00 9.50 11.50 15.00 15.00 15.00 22.00 22.00 9.50 9.50 15.00 22.00 15.00 11.50 15.00 11.50 15.00 15.00 11.50 15.00 15.00 1.260 0.866 0.866 1.260 0.374 0.866 0.591 0.591 0.866 0.591 0.374 0.453 0.591 0.591 0.591 0.866 0.866 0.374 0.374 0.591 0.866 0.591 0.453 0.591 0.453 0.591 0.591 0.453 0.591 0.591 8 6 6 6 5 6 6 6 6 6 5 5 6 6 6 6 6 5 5 6 6 6 5 6 5 6 6 5 6 5 0.327 0.245 0.245 0.245 0.204 0.245 0.245 0.245 0.245 0.245 0.204 0.204 0.245 0.245 0.245 0.245 0.245 0.204 0.204 0.245 0.245 0.245 0.204 0.245 0.204 0.245 0.245 0.204 0.245 0.204 1.0 1.0 1.0 1.0 0.8 1.0 0.8 0.8 1.0 0.8 0.8 0.8 0.8 0.8 0.8 1.0 1.0 0.8 0.8 0.8 1.0 0.8 0.8 0.8 1.0 0.8 0.8 0.8 0.8 0.8 0.040 0.040 0.040 0.040 0.032 0.040 0.032 0.032 0.040 0.032 0.032 0.032 0.032 0.032 0.032 0.032 0.040 0.040 0.032 0.032 0.032 0.040 0.032 0.032 0.032 0.032 0.032 0.032 0.032 0.032 Advanced Thermal Products, Inc. * P.O. Box 249 * 328 Ridgway Road * St. Marys, PA 15857 * Phone: 814-834-1541 Fax: 814-834-1556 * E-mail: sales@atpsensor.com * Web Site: www.atpsensor.com NTC Thermistors Surge Current Limiters ADVANCED THERMAL PRODUCTS, Inc. Features: Resistance @ 25 C, 20% ............. 0.5 to 220 ohms D Maximum Steady State Current ...... 2 to 30 amperes Resistance at Maximum Steady State Current ........................ 0.01 to 1.18 ohms Operating Temperature .................... -40 to +185C Storage Temperature ....................... -40 to +220C 1.5" MIN. Surge Current Life ........................... -15%, +10% Maximum R @25C Load Life ......................................... -15%, +10% Maximum R @25C Temperature Cycle .......................... -15%, +10% Maximum R @25C 0.310" NOM. Moisture Resistance ......................... -15%, +10% Maximum R @25C Lead Pull Strength ........................... 1 kg, applied in axial direction T Solderability of Leads ...................... More than 95% Soldering Heat Resistance ............... -15%, +10% Maximum R @25C Construction .................................... Straight or kinked tinned copper leads Coating ............................................ Black silicone or epoxy Physical Dimensions Maximum Diameter ......................... 9.5 mm (0.374") to 32.0 mm (1.260") Maximum Thickness ....................... 5.0 mm (0.204") to 8.0 mm (0.327") 0.10" NOM. Lead Diameter ................................. 0.8 mm (0.032") to 1.0 mm (0.040") Advanced Thermal Products, Inc. * P.O. Box 249 * 328 Ridgway Road * St. Marys, PA 15857 * Phone: 814-834-1541 Fax: 814-834-1556 * E-mail: sales@atpsensor.com * Web Site: www.atpsensor.com 51