39711250440 Littelfuse / Wickmann Brand, 39711250440 Datasheet - Page 2

• Manufacturer Part Number: 39711250440
• Description: FUSE TTCP TELCOM 1.25A SHORT LD
• Manufacturer: Littelfuse / Wickmann Brand
• Series: TE5® 397r

Specifications of 39711250440

• Fuse Type: Slow Blow, Time Lag
• Voltage - Rated: 125VAC
• Current: 1.25A
• Package / Case: Radial
• Size / Dimension: 0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm)
• Mounting Type: Through Hole
• Operating Temperature: -40°C ~ 85°C
• Melting I²t: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Other names: 19397-050-K; 3971125044; WK4550BK

397 Series
Temperature Rerating Curve
Soldering Parameters - Wave Soldering
300
280
260
240
220
200
180
160
140
120
100
Time (Seconds)
80
60
40
20
0
Preheat Time
Introduction to Circuit Protection
Introduction to Circuit Protection
TE5
Dwell Time
®
> Transient Tolerant Fuse > 397 Series
Cooling Time
Radial Lead Fuses
Revised: May 6, 2009
188
Recommended Process Parameters:
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reflow process.
Preheat:
Solder Pot Temperature:
Solder Dwell Time:
Transientology
Average Time Current Curves
100000
10000
0.100
0.010
0.001
1000
100
10
Wave Parameter
1
0.20
Please refer to www.littelfuse.com/series/397.html for current information.
1
CURRENT IN AMPERES
10
Specifications are subject to change without notice.
100
150
260
Lead-Free Recommendation
°
°
°
100
© 2009 Littelfuse, Inc.
1000