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■ meets mil-R-26

　

RXG21 Resistors, wire-wound, power type

★ Standard：
▲ Q/RU22828.1-2001 Q/RU22828.2-2002 RXG21 Resistors, fixed, wire-wound, power type, detail specification
▲ GJB2828-97 Resistors, fixed, wire-wound, power type, general specification

★ Parameters and characteristics： Tab1

Type	Power (W)	Dimension (mm)				Nominal resistance	Resistance tolerance	T.C.R 10^-6/ ℃	Environmental temperature	Class of stability
Type	Power (W)	L	ΦD	l	Φd	Nominal resistance	Resistance tolerance	T.C.R 10^-6/ ℃	Environmental temperature	Class of stability
RXG21	0.5	15	5	25	0.8	1～150	±1%	R>10Ω ±50 R=1Ω~10Ω ±100	-55℃ ~+ 275℃	1%
RXG21	1	16	6.5	25	0.9	1Ω~332Ω
RXG21	2	17	7	25	0.9	1Ω~511Ω
RXG21	3	18	7.5	25	0.9	1Ω~536Ω
RXG21	4	27	11	30	1.1	1Ω~1.5KΩ
RXG21	6	30	11	30	1.1	1Ω~3.01KΩ
RXG21	8	36	11	30	1.1	1Ω~3.32KΩ

★ Main inspection items, methods and requirements：

Item	Methods	Acceptance criterion
Resistance	Item 4.6.2 ：Use measuring tool to measure, and its accuracy is 1/4 of measured resistance tolerance	≤±1%
Thermal impulse	Item 4.6.3 ：Load rated power till heat is balanced	△R≤±(0.5%R+0.05Ω)
Terminal strength	term 4.6.6 ：1W：25N 2W：22.5N 3W、4W、6W、8W：45N	No mechanical damage △R≤ ±(0.2%R+0.05Ω)
Dielectric withstand voltage	term 4.6.8 ：3W、4W、6W、8W：1000V 1W、2W：500V	No breakdown or flashover
High temperature exposure	term 4.6.8 ： 275℃ 250±8h	No mechanical damage △R≤ ±(1%R+0.05Ω)
Moisture proof	term 4.6.11 ：a：Loading： output power of the voltage is 85% of rated power b：Polarization：100V_DC	No mechanical damage △R≤ ±(0.5%R+0.05Ω) Insulation resistance≥100MΩ、No mechanical damage
Low temperature storage	term 4.6.12 ：-65± 2℃ 24±4h	No mechanical damage△R≤ ±(0.5%R+0.05Ω)
Shock	term 4.6.14 ： 1000m /s，6ms，Half-sine wave	No mechanical damage △R≤±(0.2%R+0.05Ω)
High frequency vibration	term 4.6.15 ：10~2000Hz， 0.75mm / 200m /s,6h	No mechanical damage △R≤ ±(0.2%R+0.05Ω)
Life	term 4.6.16 ：At 25℃ ，Load rated voltage，2000h	No mechanical damage△R≤ ±(1%R+0.05Ω)
Temperature characteristic	term 4.6.7 ： -55℃ / 25℃ ，+ 125℃ / 25℃ ，+ 275℃ / 25℃	R>10Ω，TCR±50×10^-6/℃ R=1Ω_~10Ω，TCR±100×10
Short time over-load	term 4.6.4 ：Rated power≤3W，Load 5 times of rated power，5s Rated power≥4W，Load 10 times of rated power，5s	△R≤±(0.5%R+0.05Ω)
Solderability	term 4.6.5 ：235± 2℃ ，2±0.5s	No flashover、 combustion or scorch, 95 % of the terminal surface is covered by new solder pellicle
Insulation resistance	term 4.6.9 ：100V	>100MΩ

Specification are subject to change without notice.