CHP Datasheet, PDF (3/6 Pages) Welwyn Components Limited – Metal Glaze™ General Purpose Surface Mount Power Resistors

CHP
PIANO SWITCHES (HALF PITCH)
Reflow profile for soldering heat evaluationʫ
(ˆ)
250
200
180 C
150 150 C
100
50
Peak
:
250
+5
0
ˆ
Over 230 ˆ
Pre Heating Zone
90ʶ30 s
30ʶ10 s
Heating time ^{Soldering Zone}
Reflow : two times maximum
˙ OUTLINE DIMENSIONS
O CHP-020A
4.6
0.15 +0.1
–0.05
Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
O CHP-021A
4.6
0.15 +0.1
–0.05
0.8
Producion date code
0.6
22
Schematic
0.4 +0.1
–0.05
1.27ʶ0.15
1.65ʶ0.2
O CHP-020B
4.6
0.15 +0.1
–0.05
0.8
0.6
22
Producion date code
Schematic
0.4 +0.1
–0.05
1.27ʶ0.15
1.65ʶ0.2
O CHP-021B
4.6
0.15 +0.1
–0.05
0.8
Producion date code
0.6
22
Schematic
0.4 +0.1
–0.05
1.27ʶ0.15
1.65ʶ0.2
0.8
0.6
22
Producion date code
Schematic
0.4 +0.1
–0.05
1.27ʶ0.15
1.65ʶ0.2