Datasheet Littelfuse TSM250

PolySwitch® Resettable PPTCs
Telecom > Surface Mount > TS Series TS Series RoHS Description
Littelfuse PolySwitch products for telecommunication and
networking devices help to meet the growing demand
for resettable overcurrent protection. They also provide
protection against damage caused by power cross and
induced power surges as defined by ITU, Telcordia
GR1089, and IEC 62368-1. Littelfuse offers chip, surfacemount, and radial-leaded configurations.
Applications
Networking Machines and Systems:
Features
• Resettable overcurrent protection
• Fast time-to-trip
• Resistance sorted and matched devices available
• Low parasitic capacitance/flat impedance with frequency
• Recognized to UL 1434, approved to CSA TIL No. CA-3A
and EN 60730-1. Agency Approvals
AGENCY • Modem • Analog and digital line card • Phone set • xDSL modem and splitter • Fax machine • Powered Ethernet system • Phone wall outlet • VoIP (Voice over Internet
Protocol) equipment • Alarm system • LAN, WAN equipment • PBX system • Customer premise equipment • MDF module • Access network hardware • T1/E1 equipment
Additional Information AGENCY FILE/CERTIFICATE NUMBER
E74889* Datasheet Samples Resources 78166*
72161787*
* See Electrical Characteristic Table for approved part numbers. Electrical Characteristics …

PolySwitch®
PTC Devices PRODUCT: TSM250-130 Series
DOCUMENT: SCD29377
REV LETTER: C
REV DATE: June 10, 2019
PAGE NO.: 1 OF 4 Overcurrent Protection Device Specification Status: Released
Maximum Operating Voltage: 60VDC
Fault Ratings at 20°C:
250 VRMS, 3A, 10 applications
600 VRMS, 1A, 5 applications
Configuration: Two PPTC devices per TSM250 part
Marking:
Manufacturer’s Mark T13M Part Identification
Hold Current: 130mA
Telecom Devices Terminal Description:
T1 = Tip In
T2 = Tip Out
R1 = Ring In R2 = Ring Out
Table I. Dimensions
A
MIN
MAX
mm: …