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Silicon Hyperabrupt Varactor Diode

Rev. V1

MHV507-19-1

Environmental Capabilities

The MHV507-19-1 silicon hyperabrupt junction

varactor diode is durable and capable of reliably

operating in military, commercial, and industrial

environments. The device is compatible with

pick-and-place assembly and is available in tape

and reel. The MHV507-19-1 silicon hyperabrupt

junction varactor diode is capable of meeting the

environmental requirements of MIL-STD-750.

ESD & Moisture Sensitivity Level Rating

As are all semiconductors, silicon hyperabrupt

tuning varactor diode are susceptible to damage

from

ESD

events.

Proper

ESD

prevention

procedures should be followed. The ESD rating for

this device is Class 0 (HBM). The moisture

sensitivity level (MSL) rating for this part is MSL 1.

Assembly Instructions

Diodes may be placed onto circuit boards with pick and place manufacturing equipment from tape-reel. The

devices are attached to the circuit using conventional solder re-flow or wave soldering procedures with RoHS type

or Sn 60 / Pb 40 type solders.

Table 1. Time-Temperature Profile for Sn60/Pb40 or RoHS Type Solders

Profile Feature

SnPb Solder Assembly

Pb-Free Solder Assembly

3°C /second maximum

3°C /second maximum

Preheat:

100°C

150°C

60 - 120 s

150°C

200°C

60 - 180 s

- Ramp-Up Rate

3°C /s maximum

Time Maintained Above:

183°C

60 - 150 s

217°C

60 - 150 s

225 +0/-5°C

260 +0/-5°C

Time Within 5°C of Actual

10 – 30 s

20 – 40 s

Ramp-Down Rate

6°C /s maximum

6°C /s maximum

Time 25°C to Peak Temperature

6 minutes maximum

8 minutes maximum

Figure 1. Solder Re-Flow Time-Temperature Profile