l eaded r es isto r s di m e n sio n s unit: mm st yl e di m e n sio n normal miniature l ? d h ?d rsf-25 rsf50s 6.30.5 2.40.2 282.0 0.550.05 rsf-50 rsf1ws 9.00.5 3.30.3 262.0 0.550.05 rsf100 rsf2ws 11.51.0 4.50.5 352.0 0.80.05 rsf200 rsf3ws 15.51.0 5.00.5 332.0 0.80.05 rsf3wm rsf5ss 17.51.0 6.51.0 322.0 0.80.05 rsf300 rsf5ws 24.51.0 8.51.0 382.0 0.80.05 rsf500 - 24.51.0 8.51.0 382.0 0.80.05 note: rsf1ws (for mb type) ?d = 0.80.05mm f eat ur es power rating 1/4w, 1/2w, 1w, 2w, 3w, 5w resistance tolerance 2%, 5% t.c.r. 300ppm/c flameproof multi-layer coating meets ul-94v-0 flameproof feature meets overload test ul-1412 de r ati ng curv e for resistors operated in ambient temperatures above 70c, power rating must be derated in accordance with the curve below. metal oxide film resistors flame-proo f type type normal & miniature style [ rsf series ] i n t r od uc tio n the rsf series metal oxide film flame proof resistors offer excellent performance in ap - plications where stability and uniformity of char - acteristics are desired. they provide lower cost alternatives to carbon composition resistors and general purpose metal films. metal ox - ides also can replace many low power general purpose wirewound applications, saving both money and time, with shorter delivery cycles. the normal style & the miniature style of rsf series are coated with layers of gray and pink colors fame proof lacquer respectively. ?d h l ?d rated load (% ) ambient temperature (c) 25 0 20 0 15 0 10 0 5 0 10 0 8 0 6 0 4 0 2 0 7 0 23 5 c
1 note: rated continuous working voltage (rcwv) = power rating x resistance value m i n iat ur e st yl e st yl e r s f50 s r s f1w s r s f2w s r s f3w s r s f5 ss r s f5w s power rating at 70c 1/2w 1w 2w 3w 5w maximum working voltage 250v 300v 350v 500v 700v maximum overload voltage 400v 500v 600v 800v 900v dielectric withstanding voltage 350v 400v 500v 700v 700v resistance range 1 - 1m & 0 for e24 series value operating temp. range -55c to +235c 7hpshudwuh&rhiflhqw 300ppm/c note: special value is available on request e l e c t r i c a l ch a r a c te r isti c s n o rm a l st yl e st yl e r s f-25 r s f-50 r s f100 r s f200 r s f3wm r s f300 r s f500 power rating at 70c 1/4w 1/2w 1w 2w 3w 5w maximum working voltage 200v 250v 350v 450v 500v 750v maximum overload voltage 300v 400v 600v 700v 800v 1,000v dielectric withstanding voltage 250v 350v 500v 600v 700v 750v resistance range 1 - 1m & 0 for e24 series value operating temp. range -55c to +235c 7hpshudwuh&rhiflhqw 300ppm/c e nv i r o nm e n ta l ch a r a c te r isti c s p e rf o rm a nc e test test m et h od a ppr aise short time overload jis-c-5202 5.7 2.5 times rcwv for 5 sec. 1.0%+0.05 for normal style 2.0%+0.05 for miniature style dielectric withstanding voltage jis-c-5202 5.7 in v-block for 60 sec. by type 7hpshudwuh&rhiflhqw jis-c-5202 5.2 -55c to +235c by type insulation resistance jis-c-5202 5.6 in v-block >1,000m solderability jis-c-5202 6.5 2605c for 50.5 sec. 95% min. coverage resistance to solvent jis-c-5202 6.9 pa for i min. with ultrasonic no deterioration of coatings and markings terminal strength jis-c-5202 6.1 direct load for 10 sec. in the direction of the terminal leads 2.5kg (24.5n) pulse overload jis-c-5202 5.8 4 times rcwv 10,000 cycles (1 sec. on, 25 sec. off) 2.0%+0.05 load life in humidity jis-c-5202 7.9 402c, 90-95% rh at rcwv for 1,000 hr. (1.5 hr. on, 0.5 hr. off) 5.0%+0.05 load life jis-c-5202 7.10 70c at rcwv for 1,000 hr. (1.5 hr. on, 0.5 hr. off) 5.0%+0.05 temperature cycling jis-c-5202 7.4 -55c ? room temp. ? +155c ? room temp. (5 cycles) 1.0%+0.05 resistance to soldering heat jis-c-5202 6.4 35010c for 30.5 sec. 1.0%+0.05 overload flame retardant jis-c-5202 7.12 4 times rcwv for 1 min. 1rhylghqfhridplqjruduflqj
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