B57621C472J62 Datasheet, PDF (1/3 Pages) EPCOS – SMD NTC Thermistors with Silver Palladium Termination, Size 1206

Temperature Measurement
SMD NTC Thermistors with Silver Palladium Termination, Size 1206
B57621
C 621
Applications
I Temperature measurement and
compensation in
– hybrid circuits
– data systems
– telecom systems
– automotive electronics
1,6±0,2
1,3 max.
Features
I Silver palladium termination (AgPd)
I Cost-effective
I Suitable for wave and reflow soldering
Options
Alternative resistance ratings and resistance tolerance
< 5% available on request
Termination
TNT0398-F
Dimensions in mm/Approx. weight 18 mg
Delivery mode
Blister tape, 180-mm reel, PU: 4000 or 2000 pcs, depending on chip thickness
Climatic category (IEC 60068-1)
Max. power at 25 °C (on PCB)
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor (on PCB)
Thermal cooling time constant (on PCB)
Heat capacity
P₂₅
∆R_N/R_N
T_N
∆B/B
δ_th¹⁾
τ_c¹⁾
C_th¹⁾
55/125/21
300
mW
± 5 %, ± 10 %, ± 20 %
25
°C
±3%
approx. 5
mW/K
approx. 10
s
approx. 50
mJ/K
R₂₅
Ω
2,2 k
3,3 k
4,7 k
10 k
15 k
22 k
33 k
47 k
68 k
No. of R/T
characteristic
1308
1309
1309
1010
1008
1008
2003
2001
2001
+: J for ∆R_N/R_N = ± 5 %
K for ∆R_N/R_N = ± 10 %
M for ∆R_N/R_N = ± 20 %
B_25/50
K
3010
3430
3430
3470
3480
3480
3930
3860
3860
B_25/85
K
3040
3500
3500
3510
3550
3550
3960
3890
3890
B_25/100
K
3060
3520
3520
3530
3560
3560
3980
3920
3920
Ordering code
B57621C0222+062
B57621C0332+062
B57621C0472+062
B57621C0103+062
B57621C0153+062
B57621C0223+062
B57621C0333+062
B57621C0473+062
B57621C0683+062
1) Depends on mounting situation
60 05/02