Rev Date: 10/22/2020

3

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Please confirm technical specifications before you order and/or use.

HDM Series

Moisture Resistant Carbon Film Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Recommended Lead Free Resistor Reflow Profile

Wave Soldering

Description

Maximum

Recommended

Minimum

Preheat Time

80 seconds

70 seconds

60 seconds

Temperature Diff.

140°C

120°C

100°C

Solder Temp.

260°C

250°C

240°C

Dwell Time at Max.

10 seconds

5 seconds

*

Ramp DN (°C/sec)

N/A

N/A

N/A

Temperature Diff. = Defference between final preheat stage and soldering stage.

Convection IR Reflow

Description

Maximum

Recommended

Minimum

Ramp Up (°C/sec)

3°C/sec

2°C/sec

*

Dwell Time > 217°C

150 seconds

90 seconds

60 seconds

Solder Temp.

260°C

245°C

*

Dwell Time at Max.

30 seconds

15 seconds

10 seconds

Ramp DN (°C/sec)

6°C/sec

3°C/sec

*