Precision Metal
Film Resistors
RC series
06.18
General Note
TT Electronics reserves the right to make changes in product specication without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
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BI Technologies IRC Welwyn
This product has two valid part numbers:
European (Welwyn) Part Number: RC55V-31K6BI (RC55 with TCR ±5ppm/°C at 31.6 kilohms ±0.1%, Pb-free)
USA (IRC) Part Number: RC55LFV3162BA (RC55 with TCR ±5ppm/°C at 31.6 kilohms ±0.1%, Pb-free)
Type TCR (ppm/°C)
Value Tolerance Finish, Screening & Packing
E24 = 3/4 characters
E96 = 4/5 characters
R = ohms
K = kilohms
M = megohms
Pb-free with screened TCR (5ppm only)
Sn(60)Pb(40) high lead finish
All above in Standard Packing
Ammo
Type Termination TCR (ppm/°C) Value Tolerance Packing
R = ohms for
values <100 ohms
Ordering Procedure
This product has two valid part numbers:
European (Welwyn) Part Number: RC55V-31K6BI (RC55 with TCR ±5ppm/°C at 31.6 kilohms ±0.1%, Pb-free)
USA (IRC) Part Number: RC55LFV3162BA (RC55 with TCR ±5ppm/°C at 31.6 kilohms ±0.1%, Pb-free)
Value Tolerance Finish, Screening & Packing
E24 = 3/4 characters
E96 = 4/5 characters
R = ohms
K = kilohms
M = megohms
Pb-free with screened TCR (5ppm only)
Sn(60)Pb(40) high lead finish
All above in Standard Packing
Type Termination TCR (ppm/°C) Value Tolerance Packing
Sn(95)Pb(5)
A
R = ohms for
values <100 ohms
For CECC released product state on order the CECC number and style. Example: RC55Y-31K6BI CECC40101-004 JY
For CECC 40101-804 the TCR codes T and E relate to 15 and 25ppm/°C and are coded in the MPN as Y and D respectively. Also an additional
suffix -804 is added after the Finish, Screening & Packing code, and, in the case of Pb-free, this code (I) is omitted. Example: RC65Y-31K6B-804 CECC 40101-804BT