1KSMB Datasheet, PDF (4/5 Pages) Littelfuse – Transient Voltage Suppression Diodes

Transient Voltage Suppression Diodes
Surface Mount – 1000W
Soldering Parameters
Reflow Condition
-FBEoGSFF
BTTFNCMZ
T_P
- Temperature Min (T_s(min))
150°C
Pre Heat - Temperature Max (T_s(max))
200°C
T_L
- Time (min to max) (t_s)

o

TFDT
T_s(max)
Average ramp up rate (Liquidus Temp
(T_L) to peak
3°C/second max
T_s(min)
T_S(max) to T_L - Ramp-up Rate
3°C/second max
Reflow ^{-Temperature (TL) (Liquidus) 217°C}
25˚C
- Time (min to max) (t_s)

o

TFDPOET
Peak Temperature (T_P)
260^+0/-5 °C
Time within 5°C of actual peak
Temperature (t_p)

o

TFDPOET
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (T_P)
Do not exceed
8 minutes Max.
280°C
Ramp-up
t_p
t_L
Critical Zone
T_L to T_P
t_s
Preheat
Ramp-down
t 25˚C to Peak
Time (t)
Physical Specifications
Weight
Case
Polarity
Terminal
0.003 ounce, 0.093 grams
+&%&$
%0""
.PMEFE
QMBTUJD
CPEZ

PWFS
HMBTT
QBTTJWBUFE
KVODUJPO
Color band denotes cathode except
Bidirectional.
Matte Tin-plated leads, Solderable per
+&4%#%
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
+&4%"
+&4%
"
+&4%"
+&4%"
+&4%"
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©2007 Littelfuse
28
1KSMB Series
Specifications are subject to change without notice.