TELEPHONE: 814-362-5536 FAX: 814-362-8883
5
SPEER ELECTRONICS, INC.
RM73B1H 50mW +200 82Ω -12KΩ25V 50V
(0201) 10Ω - 1MΩ
RM73B1E 63mW ±200 10Ω - 1.0MΩ10Ω - 1.MΩ50V 100V
(0402) ±400 1.0Ω - 9.1Ω
1.1MΩ - 4.7MΩ
RM73B1J ±200 10Ω - 1MΩ10Ω -1.0MΩ
(0603) 100mW 1.0Ω - 9.1Ω1.0Ω - 9.1Ω50V 100V
1.1MΩ - 10MΩ
RM73B2A ±200 10Ω - 1MΩ10Ω - 1MΩ
(0805) 125mW 1.0Ω - 9.1Ω1.0Ω - 9.1Ω150V 300V
1.1MΩ - 10MΩ1.1MΩ - 10MΩ
RM73B2B ±200 10Ω - 5.6MΩ10Ω - 5.6MΩ
(1206) 250mW 1.0Ω - 9.1Ω1.0Ω - 9.1Ω-55°C
6.2MΩ - 10MΩ6.2MΩ - 22MΩ
RM73B2E ±200 10Ω - 5.6MΩ10Ω - 5.6MΩ
(1210) 330mW 1.0Ω - 9.1Ω1.0Ω - 9.1Ω200V 400V +155°C
6.2MΩ - 10MΩ
RM73B2H ±200 10Ω - 5.6MΩ10Ω - 5.6MΩ
(2010) 750mW 1.0Ω - 9.1Ω
6.2MΩ - 22MΩ
RM73B3A ±200 10Ω - 5.6MΩ10Ω - 5.6MΩ
(2512) 1000mW 1.0Ω - 9.1Ω
6.2MΩ - 22 MΩ
* Parenthesis indicate EIA package size codes. ** IJ, 2A, 2B sizes available - 55°C to +175°C by special order
*** See Appendix A for available decade values.
PART POWER TCR RESISTANCE RESISTANCE ABSOLUTE ABSOLUTE OPERATING
DESIGNATION RATING (ppm/°C) RANGE RANGE MAXIMUM MAXIMUM TEMPERATURE
* @70°C MAX (E-24)*** (E-24)*** WORKING OVERLOAD RANGE**
(G±2%) (J±5%) VOLTAGE VOLTAGE
RM73 B 2B T 103 J
TYPE TERMINATION SIZE CODE PACKAGING NOMINAL RESISTANCE TOLERANCE
B: Solderable (See Page 4) (See Appendix A) 2 Significant G: ± 2.0%
X: Epoxy 1H: 0201 T: 7” Punched Paper Figures & 1 J: ± 5.0%
Bondable 1E: 0402 TE: 7” Embossed Plastic Multiplier.
Available in 1J: 0603 TP: 7” Punched Paper R Indicates
0603, 0805 2A: 0805 2mm pitch 0201 & 0402. Decimal on
and 1206 sizes. 2B: 1206 TDD: 10” Punched Paper Value < 10Ω
Not available 2E: 1210 TED: 10” Embossed Plastic
in values less 2H: 2010
than 10 ohms. 3A: 2512
FLAT CHIP RESISTORS
RM73
GENERAL PURPOSE 5% & 2% TOLERANCE
STANDARD APPLICATIONS
ORDERING & SPECIFYING INFORMATION*
±400
±400
±400
±400
±400
FLAT CHIP RESISTOR - GENERAL PURPOSE
- RuO2 Thick Film Resistor Element
- Anti-Leaching Nickel Barrier Terminations
- 90/10 Solder Plated Terminations, Standard
- Also Available with Epoxy Bondable, (Palladium
Silver) Terminations in 0603, 0805 and 1206 sizes.
- Meets or Exceeds EIA 575, EIAJ RC 2690A,
EIA PDP - 100, MIL - R - 55342F
- White Three Digit Marking on Black Protective
Coat. No Marking on 1H and 1E Sizes.
-55°C - +125°C
*Please Note: KSE’s Part Numbers Do Not Contain any Spaces or Hyphens.
±400
FLAT CHIP
RESISTORS
TELEPHONE: 814-362-5536 FAX: 814-362-8883
6
SPEER ELECTRONICS, INC.
100
80
60
40
1J
20
20 40 60 80 100 120 140 160 180
FLAT CHIP RESISTORS
RM73
GENERAL PURPOSE 5% & 2% TOLERANCE
70 125
DERATING
→
% RATED POWER
1E, 1H 2H, 3A 2A, 2B, 2E
125
100
75
50
25
25 50 75 100
% RATED POWER
TEMPERATURE RISE
(°C)
ENVIRONMENTAL APPLICATIONS
AMBIENT TEMPERATURE
(°C)
3A
2A
1J
1H & 1E
2H
2E
2B
FLAT CHIP
RESISTORS
PARAMETER MAXIMUM ∆ R TEST METHOD
Thermal Shock ±0.75% MIL-STD-202, Method 107
-55°C ~ +125°C, 5 cycles
Low Temperature ±0.75% MIL - R - 55342 π 4.7.4 1 Hour @ -55°C
Operation followed by 45 minutes of RCWV**
High Temperature ±0.75% MIL - R - 55342 π 4.7.6
Exposure 100 Hours @ 125°C
Short Time Overload ±2.0% MIL - R - 55342 π 4.7.5
2.5 X RCWV for 5 seconds
Resistance to ±0.3% MIL - R - 55342 π 4.7.7
Solder Heat 260°C for 10 seconds
Terminal Strength-Bend ±0.5% 2mm Min.Deflection in Either
Direction for 10 Seconds
Moisture Resistance ±1.5% MIL - STD - 202, Method 103
40oC, 90 - 95%RH, 1000 Hours
Life ±1.5% MIL - STD - 202, Method 108 70°C, 1000
Hours @ RCWV**, 1.5 Hr On, 0.5 Hr Off
Pulse Limitation Curves Are Available at www.koaspeer.com
Pulse ±5.0% 2.5 X RCWV**, Not Exceeding Maximum
Overload Voltage 1 Second ON, 25 seconds
OFF 10,000 Cycles
Temperature Cycling ±1.0% 30 Minutes at -55°C; 15 Minutes at +25°C,
30 Minutes at +125°C, 15 Minutes at +25°C, 5 Cycles
Dielectric Withstanding
Voltage 1H 100V
1E 100V
1J 100V
2A 400V
2B 400V MIL - STD - 202, Method 301
2E 400V
2H 400V
3A 400V
Insulation Resistance 10,000 Meg Ohm
**RCWV = Rated Continuous Working Voltage
