SPEER ELECTRONICS, INC.
TELEPHONE: 814-362-5536 FAX: 814-362-8883
18
FLAT CHIP RESISTORS
RN73
ULTRA PRECISION 0.1% TO 1% TOLERANCE
RN73 E 2B T 1002 B
TYPE TEMPCO SIZE CODE PACKAGING NOMINAL RESISTANCE TOLERANCE
T: ± 10 ppm/°C (See Page 7) (See Appendix A) 3 Significant B: ± 0.1%
E: ± 25 ppm/°C 1J: 0603 T: Punched Paper Figures + 1 C: ± 0.25%
C: ± 50 ppm/°C 2A: 0805 TE: Embossed Plastic Multiplier D: ± 0.50%
2B: 1206 TDD: 10” Punched Paper R Indicates F: ± 1.0%
2E: 1210 TED: 10” Embossed Plastic Decimal on
Value < 100Ω
ORDERING & SPECIFYING INFORMATION*
FLAT CHIP RESISTOR - ULTRA PRECISION
- Nickel Chromium Thin Film Resistor Element
- Anti-Leaching Nickel Barrier Terminations
- 90/10 Solder Plated Terminations, Standard
- Meets or Exceeds EIA 576, MIL-R-55342F
- Four (4) Digit Marking, Distinctive Color Identifiers
(Only E-24 Values are Marked on 0603)
STANDARD APPLICATIONS
*Please Note: KSE’s Part Numbers Do Not Contain any Spaces or Hyphens.
PART POWER TCR E-24 / E-96*** OPERATING
DESIGNATION RATING (ppm/°C) RESISTANCE RANGE - TOLERANCE TEMP.
@ 70°C MAX B(±0.1%) C(±0.25%) D(±0.5%) F(±1.0%) RANGE
RN73T1J ±10 —— —— —— ——
RN73E1J ± 25 100Ω - 33KΩ51Ω - 33KΩ10Ω - 33KΩ50V 100V
RN73C1J ± 50 —— —— 10Ω - 33KΩ–55°C
RN73T2A ± 10 100Ω - 100KΩ —— to
RN73E2A ± 25 51Ω - 100KΩ10Ω - 100KΩ100V 200V +150°C
RN73C2A ± 50 —— 51Ω - 150KΩ10Ω - 150KΩ
RN73T2B ± 10 100Ω - 130KΩ ——
RN73E2B ± 25 51Ω - 130KΩ10Ω -130KΩ150V 300V
RN73C2B ± 50 —— 51Ω - 360KΩ10Ω - 360KΩ
RN73T2E ± 10 100Ω - 240KΩ ——
RN73E2E ± 25 51Ω - 240KΩ10Ω - 240KΩ200V 400V
RN73C2E ± 50 —— 51Ω - 510KΩ10Ω - 510KΩ
*** See Apendix A for available decade values.
100 mW
(1/10 W)
125 mW
(1/8 W)
250 mW
(1/4 W)
ABSOLUTE ABSOLUTE
MAXIMUM MAXIMUM
WORKING OVERLOAD
VOLTAGE VOLTAGE
FLAT CHIP
RESISTORS
63 mW
(1/16 W)
SPEER ELECTRONICS, INC.
TELEPHONE: 814-362-5536 FAX: 814-362-8883
19
125
100
75
50
25
25 50 75 100
FLAT CHIP RESISTORS
RN73
ULTRA PRECISION 0.1% & 1% TOLERANCE
100
80
60
40
20
20 40 60 80 100 120 140 160 180
70 150
AMBIENT TEMPERATURE
(°C)
DERATING
→
% RATED POWER
% RATED POWER
TEMPERATURE RISE
(°C)
ENVIRONMENTAL APPLICATIONS
2E
2B
2A
1E
1J
** RCWV = Rated continuous working voltage
FLAT CHIP
RESISTORS
PARAMETER MAXIMUM ∆ R TEST METHOD
Thermal Shock ±0.25% MIL-STD-202, Method 107
-55°C ~ +125°C, 100 cycles
Low Temperature ±0.15% MIL - R - 55342 π 4.7.4 1 Hour @ -55°C
Operation followed by 45 minutes of RCWV**
High Temperature ±0.25% MIL - R - 55342 π 4.7.6
Exposure 1000 Hours @ 125°C
Short Time Overload ±0.1% MIL - R - 55342 π 4.7.5
2.5 X RCWV for 5 seconds
Resistance to ±0.1% MIL - R - 55342 π 4.7.7
Solder Heat 260°C for 10 seconds
Terminal Strength-Bend ±0.35% 2mm min. Deflection in Either
Direction for 10 Seconds
Moisture Resistance ±0.25% MIL - STD - 202, Method 103
40oC, 90 - 95%RH, 1000 Hours
Life ±0.25% MIL - STD - 202, Method 108 70°C, 1000
Hours @ RCWV, 1 1/2 Hr ON, 1/2 Hr OFF
Pulse ±0.3% 2.5 X RCWV, Not Exceeding Maximum
Overload Voltage 1 Second ON, 25 Seconds
OFF 10,000 Cycles
Temperature Cycling ±0.25% 30 Minutes at -55°C; 15 Minutes at 25°C,
30 Minutes at + 125°C, 15 Minutes at +25°C, 5 Cycles
MINIMUM
Dielectric Withstanding
Voltage 1J 100V
2A 400V MIL - STD - 202, Method 301
2B 400V
2E 400V
Insulation Resistance 10,000 Meg Ohm
