TR250-145U Tyco Electronics, TR250-145U Datasheet - Page 17

• Manufacturer Part Number: TR250-145U
• Description: POLYSWITCH 0.145A HOLD UNENCAPS
• Manufacturer: Tyco Electronics
• Series: PolySwitch®r

Specifications of TR250-145U

• R Min/max: 3.500 ~ 6.500 Ohm
• Voltage - Max: 60V
• Time To Trip: 2s
• Current - Hold (ih) (max): 145mA
• Current - Trip (it): 290mA
• Current - Max: 3A
• Package / Case: Radial
• Holding Current: 0.145A
• Tripping Current: 0.29A
• Initial Resistance Max: 6.5ohm
• Initial Resistance Min: 3.5ohm
• Resistance R1: 12ohm
• Peak Reflow Compatible (260 C): No
• Fuse Terminals: Radial Leaded
• Thermistor Type: PTC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: TR145U

Table T5. Physical Characteristics and Environmental Specifications for Telecommunications and
Networking Devices* continued
(Operating temperature range for all listed products is -40°C to 85°C)
Environmental Specifications
Test
Passive aging
Humidity aging
Thermal shock
Solvent resistance
Note: Storage conditions: 40°C max., 70% RH max., devices should remain in original sealed bag prior to use. Devices may not meet specified values if these stor-
TS600
Physical Characteristics
Terminal material
Insulating material
Flammability
Soldering characteristics
Solder heat withstand
Environmental Specifications
Test
Passive aging
Humidity aging
Thermal shock
Solvent resistance
Note: Storage conditions: 40°C max., 70% RH max., devices should remain in original sealed bag prior to use. Devices may not meet specified values if these stor-
TSM600
Environmental Specifications
Lead material
Case material
Lead solderability
Solder heat withstand
Solvent resistance
Flammability rating
Storage humidity
Note: Storage conditions: 40°C max., 70% RH max., devices should remain in original sealed bag prior to use. Devices may not meet specified values if these stor-
BBR
Physical Characteristics
Lead material
Soldering characteristics
Solder heat withstand
Insulating material
Note: *Devices are not designed to be placed through a reflow process.
Environmental Specifications
Test
Passive aging
Humidity aging
Thermal shock
Solvent resistance
Notes:
Raychem Circuit Protection
age conditions are exceeded.
age conditions are exceeded.
age conditions are exceeded.
3
1
2
3
*For physical and environmental characteristics of RXE, see the radial-leaded product section. For SMD, midSMD, and miniSMDC series, see surface-
60/250V products are designed to help equipment pass ITU specifications (K.20, K.21, etc) and Telcordia GR-1089 Intrabuilding power cross.
80/250V product designed to help equipment pass Telcordia GR-1089 Intrabuilding power cross (120V
60/600V products are designed to help equipment pass UL 60950,TIA-968-A (formerly FCC Part 68) and Telcordia GR-1089 specifications.
mount product section.
Conditions
70°C, 1000 hours
85°C, 1000 hours
85°C, 85% RH, 1000 hours
85°C, -40°C (10 times)
MIL-STD-202, Method 215F
Tin/lead-plated copper, 0.52mm
Solderability per ANSI/J-STD-002 Category 3
per IEC-STD 68-2-20, Test Tb, Method 1a, condition b; can withstand 10 seconds at 260˚C ± 5˚C
Cured, flame-retardant epoxy polymer; meets UL 94V-0
Conditions
60°C, 1000 hours
85°C, 1000 hours
85°C, 85% RH, 1000 hours
125°C, -55°C (10 times)
MIL-STD-202, Method 215F
Tin-plated brass
Nylon resin (UL94V-0), 1000V dielectric rating
IEC 695-2-2 Needle Flame Test for 20s
ANSI/J-STD-002, Category 3
IEC-STD 68-2-20, Test Tb, Section 5 Method 1A
Conditions
60°C, 1000 hours
85°C, 1000 hours
85°C, 85% RH, 1000 hours
125°C, -55°C (10 times)
MIL-STD-202, Method 215F
Tin-plated brass
Nylon resin (UL94 V-0), 1000 V dielectric rating
EIC60068-2-58, Method 7
IEC-STD 68-2-20, Test Tb, Section 5, Method 1A
MIL-STD-202, Method 215J
IEC 695-2-2 Needle Flame Test for 20 s
Per IPC/JEDEC J-STD-020A Level 2a
PolySwitch Telecommunications and Networking Resettable Devices
2
(20AWG), ø 0.81mm (0.032 in.)
Resistance Change
±5%
±5%
±5%
±5%
No change
AC
/25A).
Telecommunications and Networking
317
4