1-21049-7 PDF资料大全-Datasheet下载中文网-电子工程世界

eeworld网站中关于1-21049-7有11个元器件。有121049、1210.493OHMS0.005%等。可以通过横向对比他们之间的异同，来寻找器件间替代的可能。

器件名	厂商	描　述	功能
121049	Brady	——	下载
1210.493OHMS0.005%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.005% +/-Tol, -30,30ppm/Cel,	下载
1210.493OHMS0.02%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.02% +/-Tol, -30,30ppm/Cel,	下载
1210.493OHMS0.05%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.05% +/-Tol, -30,30ppm/Cel,	下载
1210.493OHMS0.25%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.25% +/-Tol, -30,30ppm/Cel,	下载
1210.493OHMS0.5%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.5% +/-Tol, -30,30ppm/Cel,	下载
1210.499OHMS0.02%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.02% +/-Tol, -30,30ppm/Cel,	下载
1210.499OHMS0.05%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.05% +/-Tol, -30,30ppm/Cel,	下载
1210.499OHMS0.25%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.25% +/-Tol, -30,30ppm/Cel,	下载
1210.499OHMS0.5%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.5% +/-Tol, -30,30ppm/Cel,	下载
1210.499OHMS1%	Vishay(威世)	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 1% +/-Tol, -30,30ppm/Cel,	下载

关于1-21049-7相关文档资料：

对应元器件	pdf文档资料下载
1210.493OHMS0.005% 、 1210.493OHMS0.02% 、 1210.493OHMS0.05% 、 1210.493OHMS0.25% 、 1210.493OHMS0.5% 、 1210.499OHMS0.02% 、 1210.499OHMS0.05% 、 1210.499OHMS0.25% 、 1210.499OHMS0.5% 、 1210.499OHMS1%	下载文档

1-21049-7资料比对：

型号	1210.499OHMS1%	1210.493OHMS0.005%	1210.493OHMS0.02%	1210.493OHMS0.05%	1210.493OHMS0.25%	1210.493OHMS0.5%	1210.499OHMS0.02%	1210.499OHMS0.05%	1210.499OHMS0.25%	1210.499OHMS0.5%
描述	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 1% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.005% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.02% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.05% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.25% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.493ohm, 400V, 0.5% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.02% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.05% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.25% +/-Tol, -30,30ppm/Cel,	Fixed Resistor, Wire Wound, 0.5W, 0.499ohm, 400V, 0.5% +/-Tol, -30,30ppm/Cel,
是否Rohs认证	符合	符合	符合	符合	符合	符合	符合	符合	符合	符合
厂商名称	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)	Vishay(威世)
Reach Compliance Code	compli	compli	compli	compli	compli	compli	compli	compli	compli	compli
ECCN代码	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
构造	Tubul	Tubul	Tubul	Tubul	Tubul	Tubul	Tubul	Tubul	Tubul	Tubul
引线直径	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm
引线长度	38 mm	38 mm	38 mm	38 mm	38 mm	38 mm	38 mm	38 mm	38 mm	38 mm
端子数量	2	2	2	2	2	2	2	2	2	2
最低工作温度	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C
封装直径	9.5 mm	9.5 mm	9.5 mm	9.5 mm	9.5 mm	9.5 mm	9.5 mm	9.5 mm	9.5 mm	9.5 mm
封装长度	19.1 mm	19.1 mm	19.1 mm	19.1 mm	19.1 mm	19.1 mm	19.1 mm	19.1 mm	19.1 mm	19.1 mm
封装形状	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE	TUBULAR PACKAGE
封装形式	Axial	Axial	Axial	Axial	Axial	Axial	Axial	Axial	Axial	Axial
额定功率耗散 (P)	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W
电阻	0.499 Ω	0.493 Ω	0.493 Ω	0.493 Ω	0.493 Ω	0.493 Ω	0.499 Ω	0.499 Ω	0.499 Ω	0.499 Ω
电阻器类型	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR
技术	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND
温度系数	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C	-30,30 ppm/°C
容差	1%	0.005%	0.02%	0.05%	0.25%	0.5%	0.02%	0.05%	0.25%	0.5%
工作电压	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V

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器件捷径: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

新增数据表(2026-03-28): 1600DGG602913DB 440SF071NF10 B81123C1332M 2200GGH1002A2HB PC123X1YUP0F RK73B2ERTTD152J RCH05S22R00JS06 MS3459L8S-1P CLT-107-02-G-D-A-K WF06T2943CTLQ CO-233FT-3RL1ATFREQ C-13-DFB2.5-PD-SSCHI-VSC KS920-49TG3M MR0020-11SW3F80 PST425A190NR PX-5001-EDE-KXCX-FREQ G4280W1TN1S AS-10.244-10-F-30100-EXT-SMD-STD-TR 6QDP-048-06.0-TBL-TEU-4-F P38-83513-31-S-F-C YI24012100J0G LPI3124R221721 PTN1010H1601BGT SD1113HD MJHS-01L3-16Y-018-5A61 SL2-046-SH176/02-97 SIT9025AAT12G28DA150.000000 P1206H2373WGPE 100F-202-2005 202X-8R2-JTQ KX321BG7032.768000 RIAN08TTEB1002FHFC 1812N392G250PX100HW NUC72-VC3A VJ0805Y272KLAAR2M RNF1/4T22.211%A RP73G3A2K05FTDF 713AM394Z12210-4CTS 2M380MS135ZN0804-12N CWR11KK105MSA TDC-GP30YD 3K FT930Q-T 0805Y0500103KXR NJU7047RB1-TE2 RBR2MM30BTFTR RBR1MM40ATFTR

捷径 0-9 : 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

捷径 A-D : A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

捷径 E-K : E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

捷径 L-R : L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

捷径 S-Z : S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY