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TM2P-10271E Datasheet(PDF) 1 Page - Tyco Electronics |
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TM2P-10271E Datasheet(HTML) 1 Page - Tyco Electronics |
1 / 2 page www.circuitprotection.com Applications: • Cordless telephones • VoIP gateways • Fax machines • Data modems • Set-top boxes • Security systems • MDF modules • Analog and ISDN linecards Raychem Circuit Protection, the leader in innovative circuit protection solutions, has introduced the industry’s first integrated overcurrent/overvoltage protection solu- tion—the 2Pro device. The RoHS-compliant component incorporates PolySwitch PPTC (Polymeric Positive Temperature Coefficient) and metal oxide varistor technol- ogy in a single device to reduce board space requirements and component count. Damage to telephony communications equipment can be caused by various sources including lightning and ESD surges, power contact and induction with AC lines. The 2Pro TM2P-10271 and TM2P-10271E devices help provide current limit- ing during overcurrent events, and voltage clamping during overvoltage events. After a fault condition is removed and power is cycled, 2Pro devices will reset so that communications equipment remains operational. With the introduction of the 2Pro devices Raychem Circuit Protection addresses the need for resettable circuit protection devices for use in cost-sensitive PSTN (Public Switched Telephone Network) and VoIP (Voice over Internet Protocol) telepho- ny equipment. The widespread use of VoIP gateways in homes and enterprise environments as the primary means of voice delivery requires the utmost safety and reliability in equipment. 2Pro circuit protection devices are designed specifically to help manufacturers comply with global safety standards, including UL 60950, TIA-968-A, IEC 60950, and ITU-T K.20/K.21. The UL 497A listed protector also helps provide ESD protection. 2Pro Devices Help Provide Reliable Connectivity Benefits: • Single device helps reduce component count and footprint • Helps reduce warranty returns • Helps equipment comply with surge tests per: TIA-968-A, IEC 60950, ITU-T K.20/K.21 • Helps simplify UL 60950 testing • Helps equipment comply with UL 60950 Features: • Single overcurrent, overvoltage and ESD protection device • Resettable overcurrent protection • UL 497A listed protector (#E258475) • RoHS compliant TM2P Electrical Characteristics Electrical Schematic Overcurrent (terminals 1 – 2)—Performance ratings @ 20°C Resistance† Time to Trip (s)† IHOLD ITRIP ( Ω)@ 1A (A) (A) R min. R max. R1 max* Typ Max 0.15 0.30 7.0 14.0 16.0 0.3 3 0.15 0.30 6.0 12.0 14.0 0.4 4 Part Number TM2P-10271 TM2P-10271E‡ Part Number TM2P-10271 TM2P-10271E‡ Overvoltage (terminals 2 – 3) Varistor Voltage DC Resistance Maximum Clamping Rated V @ 1 mA @ 100 V Voltage @ 25 A Wattage DC (V) Tolerance (M Ω) (V) (W) 270 ± 10% >10 455 0.25 270 ± 10% >10 455 0.25 (3) (2) (1) * Maximum device resistance at 20°C measured 1 hour post trip. † Corresponds to operation below varistor voltages. ‡ Data is preliminary. |
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