B1250T Bourns Inc., B1250T Datasheet - Page 2

FUSE TELECOM 1.25A 600V SMD

B1250T

Manufacturer Part Number
B1250T
Description
FUSE TELECOM 1.25A 600V SMD
Manufacturer
Bourns Inc.
Series
Telefuse™r
Type
Slow Blow Surface Mount Fuser
Datasheet

Specifications of B1250T

Fuse Type
Power Cross/Barrier Network
Voltage - Rated
600VAC
Current
1.25A
Package / Case
Non-Standard SMD
Size / Dimension
0.380" L x 0.120" W x 0.120" H (9.65mm x 3.05mm x 3.05mm)
Mounting Type
Holder/Surface Mount
Operating Temperature
-55°C ~ 125°C
Dc Cold Resistance
0.075 Ohm
Melting I²t
14
Current Rating
1.25 Amps
Voltage Rating
600 Volts
Fuse Size / Group
3812
Termination Style
SMD/SMT
Body Material
Ceramic
Dimensions
9.65 mm L x 3.05 mm W
Product
Telecommunications Power Fuse
Mounting Style
SMD/SMT
Operating Temperature Range
- 55 C to + 125 C
Resistance
0.075 Ohms
Voltage Rating (vac)
600V
Power Dissipation
400mW
Operating Temp Range
-55C to 125C
Package Type
CSMD
Mounting
Surface Mount
Housing Material
Ceramic
Operating Temperature Classification
Military
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Color
-
Lead Free Status / Rohs Status
Compliant
Other names
B1250TTR
Telefuse
SMD Power Cross Protection Fuse
Time/Current Characteristic Curve
1000
100
10
1
0.1
0.01
0.01
0.1
1
Time (Seconds)
Solder Profile - 260 °C for 3 Seconds
300
PREHEAT
267
233
200
167
133
100
67
33
0
0
48
B2000T
B1250T
B0500T
10
100
1000
10000
ZONE 2
ZONE 3
REFLOW
95
143
190
238
286
SECONDS
Customers should verify actual device performance in their specific applications.
Product Dimensions
2.03 ± .102
(.080 ± .004)
9.65 ± .254
(.38 ± .01)
3.05 ± .127
(.120 ± .005)
3.05 ± .127
(.120 ± .005)
Recommended Pad Layout
3.81
(.15)
4.06
(.16)
5.08
(.20)
MM
DIMENSIONS:
(INCHES)
COOL
333
381
429
Specifications are subject to change without notice.

Related parts for B1250T