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RC55-D-1K21-B-B

Description
Metal Film Resistors - Through Hole 1/4W 1.21K 0.1%
CategoryPassive components   
File Size1MB,3 Pages
ManufacturerTT Electronics plc
Websitehttp://www.ttelectronics.com/
Download Datasheet Parametric View All

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RC55-D-1K21-B-B Overview

Metal Film Resistors - Through Hole 1/4W 1.21K 0.1%

RC55-D-1K21-B-B Parametric

Parameter NameAttribute value
Product CategoryMetal Film Resistors - Through Hole
ManufacturerTT Electronics plc
RoHSNo
Resistance1.21 kOhms
Power Rating250 mW (1/4 W)
Tolerance0.1 %
Temperature Coefficient25 PPM / C
Minimum Operating Temperature- 55 C
Maximum Operating Temperature+ 155 C
Diameter2.5 mm
Length7.2 mm
Termination StyleAxial
PackagingAmmo Pack
TypeLow noise and Negligible voltage coefficient
Height0.6 mm
Lead Spacing30 mm
Operating Temperature Range- 55 C to + 155 C
Factory Pack Quantity250
Unit Weight0.008466 oz
Resistors
Thick Film High Voltage/
Thick Film High
MIL-Approved
High Reliability
Voltage/
High Reliability MIL-Approved
Metal Glaze™ Resistors
CMH Series
Diamond spiraled
thick film element
Heat conducting
ceramic substrate
Metal Glaze™ Resistors
1/4 watt to 5 watt
TCR of ±100 ppm/°C
TCR of ±100 ppm/°C
PRF
Qualified to MIL-R-49462
330K ohm to 1G ohm range
330K ohm to 1G ohm range
±1%, ±2%, or ±5% tolerance
±1%, ±2%, or ±5% tolerance
Epoxy coated body
Diamond spiraled
thick film element
Heat conducting
ceramic substrate
CMH Series
High conductivity plated on
nickel termination
All welded cap and lead construction
Tin Lead electroplated leads
Epoxy coated body
High conductivity plated on
nickel termination
All welded cap and lead construction
Tin Lead electroplated leads
Electrical Data
IRC Type
CMH - 1/4
CMH - 1/2
CMH - 1
CMH - 2
CMH - 3
CMH - 5
MIL
Type³
RHV30
RHV31
RHV32
RHV33
RHV34
RHV35
Power
Rating @
70°C (watts)¹
1/4
1/2
1
2
3
5
Voltage
Rating
(volts)²
750
1,500
3,000
5,000
10,000
20,000
Resistance Range
(ohms)
4
330K - 100M
330K - 392M
330K - 499M
330K - 499M
330K - 1000M
330K - 1000M
1, 2, 5
100
0 to -5
Tolerance
(±%)
Maximum
TCR
(±ppm/°C)
4
VCR (ppm/V)
Notes:
1. For power rating above 70C, see derating curve.
2. Voltage rating shown is the rated DC continuous working voltage or the sine-wave RMS absolute maximum voltage at com-
mercial line frequency.
3. Marked per MIL-PRF-49462
4. Values greater than 100 meg and less than 500 meg, ±200ppm; values greater than or equal to 500 meg, ±500ppm.
Environmental Data
Test Condition*
Thermal Shock
Solder Effect
Terminal Strength
Moisture Resistance
Load Life (1000 Hours at 25°C)
Shelf Life (1 year at 25°C)
Low-Temperature Operation
Shock
Vibration
Dielectric Strength
Insulation Resistance at 500 VDC
Notes:
*Test per MIL-PRF-49462 and MIL-STD-202
General Note
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Maximum
∆R
(±3σ)
±0.25%
±0.15%
±0.20%
±0.50%
±1.00%
±0.10%
±0.15%
±0.35%
±0.35%
±0.15%
±10
9
min
Typical
∆R
±0.10%
±0.05%
±0.10%
±0.20%
±0.25%
±0.03%
±0.05%
±0.10%
±0.10%
±0.05%
5 x 10
12
typ
BI Technologies IRC Welwyn
CMH Series Issue September 2008 Sheet 1 of 3
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
www.ttelectronics.com/resistors
A subsidiary of
TT electronics plc
© TT Electronics plc
11.17

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