PRF21BA471QB5RA Murata Electronics North America, PRF21BA471QB5RA Datasheet - Page 77

• Manufacturer Part Number: PRF21BA471QB5RA
• Description: THERMISTOR
• Manufacturer: Murata Electronics North America

Specifications of PRF21BA471QB5RA

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
sales representatives or product engineers before ordering.
!Note
1. Solder and Flux
2. Cleaning Conditions and Drying
3. Soldering Conditions
76
!Caution/Notice
Notice (Soldering and Mounting) PRG/PRF Series
(1) Solder Paste
(2) Flux
To remove the flux after soldering, observe the following
points in order to avoid deterioration of the characteristics
or any change to the external electrodes quality.
(1) Cleaning Conditions
A sufficient cleaning should be applied to remove flux completely.
(2) Drying
In your mounting process, observe the following points in
order to avoid deterioration of the characteristics or
destruction of this product. The mounting quality of this
product may also be affected by the mounting conditions,
shown in the points below.
This product is for reflow soldering only. Flow soldering
should not be allowed.
(1) Printing Conditions of Solder Paste
(a) Standard thickness of solder paste printing should
(b) After soldering, the solder fillet should be a height
(c) Too much solder gives too strong mechanical stress
Use solder paste Sn:Pb=63:37wt%.
For your reference, we are using
manufactured by Alpha Metals Japan Ltd.
manufactured by Senju Metal Industry Co., LTD for any
Internal tests of this product.
Use rosin-based flux. Do not use strong acidic flux
(with halide content exceeding 0.2wt%).
After cleaning, promptly dry this product.
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
be from 0.15 to 0.20 mm.
from 0.2 mm to the thickness of this product (see the
figure at right).
to this product. Such stress may cause cracking or
other mechanical damage. Also, it can destroy the
electrical performance of this product.
2-propanol
Solvent
63Sn/37Pb RMA9086 90-3-M18,
96.5Sn/3.0Ag/0.5Cu M705-221BM5-42-11,
Less than 5 minutes
Less than 2 minutes
Dipping Cleaning
at room temp.
at 40˚C max.
or
Ultrasonic Cleaning
Less than 1 minute
20W/L Frequency
of several 10kHz
to 100kHz.
E
Electrode
Solder
Continued on the following page.
T
Solder
0.2mm V T V E
R90E.pdf
07.3.19