CS Series

High-Reliability Current Sense Transformers

Precision Current Monitoring for Aerospace, Defense, and High-Reliability Applications

Vanguard Electronics’ CS Series of current sense transformers—CS100, CS200, and CS300—are engineered to deliver accurate current measurement in mission-critical environments. Built to MIL-PRF-27 standards and available in multiple package sizes and electrical configurations, these transformers are ideal for aerospace, defense, and high-reliability industrial systems.

Low Thermal Expansion: Transfer molded package ensures stability across temperature ranges.
MIL-PRF-27 Compliant – Designed for military-grade performance
Compact, Low Profile – Suitable for high-density PCB layouts
Transfer Molded Packages – Low thermal
Custom Designs and Modifications: Available in various sizes and package types.

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Questions or concerns about Vanguard.

Specifications

Name	Grade	Turns Ratio	Inductance (µH)	DCR MAX (OHMS)	Mounting	Height (inches)	hf:tax:pa_common-inductance-µh	hf:tax:pa_common-dcr-max-ohms	hf:tax:pa_length-inches	hf:tax:pa_width-inches	hf:tax:pa_height-inches	hf:tax:pa_mounting-type	hf:tax:pa_series
CS101	Hi-Reliability	1:50	2800	1	SMD	0.24	2800	1	0-26	0-26	0-24	smd	cs100
CS101TH	Hi-Reliability	1:50	2800	1	THT	0.24	2800	1	0-26	0-26	0-24	tht	cs100
CS102	Hi-Reliability	1:50	4700	1.2	SMD	0.24	4700	1-2	0-41	0-41	0-24	smd	cs100
CS102TH	Hi-Reliability	1:50	4700	1.2	THT	0.24	4700	1-2	0-41	0-41	0-24	tht	cs100
CS103	Hi-Reliability	1:50	4400	1.2	SMD	0.31	4400	1-2	0-41	0-41	0-31	smd	cs100
CS103TH	Hi-Reliability	1:50	4400	1.2	THT	0.31	4400	1-2	0-41	0-41	0-31	tht	cs100
CS104	Hi-Reliability	0.111111111	5700	1.2	SMD	0.24	5700	1-2	0-26	0-26	0-24	smd	cs100
CS104TH	Hi-Reliability	0.111111111	5700	1.2	THT	0.24	5700	1-2	0-26	0-26	0-24	tht	cs100
CS105	Hi-Reliability	0.111111111	8900	1.7	SMD	0.24	8900	1-7	0-41	0-41	0-24	smd	cs100
CS105TH	Hi-Reliability	0.111111111	8900	1.7	THT	0.24	8900	1-7	0-41	0-41	0-24	tht	cs100
CS106	Hi-Reliability	0.111111111	21000	2.9	SMD	0.31	21000	2-9	0-535	0-535	0-31	smd	cs100
CS106TH	Hi-Reliability	0.111111111	21000	2.9	THT	0.31	21000	2-9	0-535	0-535	0-31	tht	cs100
CS107	Hi-Reliability	0.180555556	23000	5.6	SMD	0.24	23000	5-6	0-26	0-26	0-24	smd	cs100
CS107TH	Hi-Reliability	0.180555556	23000	5.6	THT	0.24	23000	5-6	0-26	0-26	0-24	tht	cs100
CS108	Hi-Reliability	0.180555556	35000	7.9	SMD	0.31	35000	7-9	0-41	0-41	0-31	smd	cs100
CS108TH	Hi-Reliability	0.180555556	35000	7.9	THT	0.31	35000	7-9	0-41	0-41	0-31	tht	cs100
CS109	Hi-Reliability	0.180555556	86000	6	SMD	0.31	86000	6	0-535	0-535	0-31	smd	cs100
CS109TH	Hi-Reliability	0.180555556	86000	6	THT	0.31	86000	6	0-535	0-535	0-31	tht	cs100
CS201	Hi-Reliability	1:50:50	2200	0.72	SMD	0.3	2200	0-72	0-405	0-405	0-3	smd	cs200
CS201TH	Hi-Reliability	1:50:50	2200	0.72	THT	0.3	2200	0-72	0-405	0-405	0-3	tht	cs200
CS202	Hi-Reliability	1:50:50	5300	1.4	SMD	0.475	5300	1-4	0-61	0-61	0-475	smd	cs200
CS202TH	Hi-Reliability	1:50:50	5300	1.4	THT	0.475	5300	1-4	0-61	0-61	0-475	tht	cs200
CS203	Hi-Reliability	1:50:50	5300	1.4	SMD	0.475	5300	1-4	0-61	0-61	0-475	smd	cs200
CS203TH	Hi-Reliability	1:50:50	5300	1.4	THT	0.475	5300	1-4	0-61	0-61	0-475	tht	cs200
CS204	Hi-Reliability	1:100:100	8900	3.8	SMD	0.3	8900	3-8	0-405	0-405	0-3	smd	cs200
CS204TH	Hi-Reliability	1:100:100	8900	3.8	THT	0.3	8900	3-8	0-405	0-405	0-3	tht	cs200
CS205	Hi-Reliability	1:100:100	21000	2.9	SMD	0.475	21000	2-9	0-61	0-61	0-475	smd	cs200
CS205TH	Hi-Reliability	1:100:100	21000	2.9	THT	0.475	21000	2-9	0-61	0-61	0-475	tht	cs200
CS206	Hi-Reliability	1:100:100	21000	2.9	SMD	0.475	21000	2-9	0-61	0-61	0-475	smd	cs200
CS206TH	Hi-Reliability	1:100:100	21000	2.9	THT	0.475	21000	2-9	0-61	0-61	0-475	tht	cs200
CS301	Hi-Reliability	1:1:50:50	2200	0.72	SMD	0.475	2200	0-72	0-61	0-61	0-475	smd	cs300
CS301TH	Hi-Reliability	1:1:50:50	2200	0.72	THT	0.475	2200	0-72	0-61	0-61	0-475	tht	cs300
CS302	Hi-Reliability	1:1:50:50	5300	1.5	SMD	0.475	5300	1-5	0-61	0-61	0-475	smd	cs300
CS302TH	Hi-Reliability	1:1:50:50	5300	1.5	THT	0.475	5300	1-5	0-61	0-61	0-475	tht	cs300
CS303	Hi-Reliability	1:1:50:50	2200	0.72	SMD	0.475	2200	0-72	0-61	0-61	0-475	smd	cs300
CS303TH	Hi-Reliability	1:1:50:50	2200	0.72	THT	0.475	2200	0-72	0-61	0-61	0-475	tht	cs300
CS304	Hi-Reliability	1:1:50:50	5300	1.4	SMD	0.475	5300	1-4	0-61	0-61	0-475	smd	cs300
CS304TH	Hi-Reliability	1:1:50:50	5300	1.4	THT	0.475	5300	1-4	0-61	0-61	0-475	tht	cs300
CS305	Hi-Reliability	1:1:100:100	8900	3.8	SMD	0.475	8900	3-8	0-61	0-61	0-475	smd	cs300
CS305TH	Hi-Reliability	1:1:100:100	8900	3.8	THT	0.475	8900	3-8	0-61	0-61	0-475	tht	cs300
CS306	Hi-Reliability	1:1:100:100	21300	2.9	SMD	0.475	21300	2-9	0-61	0-61	0-475	smd	cs300
CS306TH	Hi-Reliability	1:1:100:100	21300	2.9	THT	0.475	21300	2-9	0-61	0-61	0-475	tht	cs300
CS307	Hi-Reliability	1:1:100:100	8900	3.8	SMD	0.475	8900	3-8	0-61	0-61	0-475	smd	cs300
CS307TH	Hi-Reliability	1:1:100:100	8900	3.8	THT	0.475	8900	3-8	0-61	0-61	0-475	tht	cs300
CS308	Hi-Reliability	1:1:100:100	21000	2.9	SMD	0.475	21000	2-9	0-61	0-61	0-475	smd	cs300
CS308TH	Hi-Reliability	1:1:100:100	21000	2.9	THT	0.475	21000	2-9	0-61	0-61	0-475	tht	cs300
CS401	Hi-Reliability	1:50:50:50:50	5300	1.5	SMD	0.475	5300	1-5	0-75	0-75	0-475	smd	cs400
CS401TH	Hi-Reliability	1:50:50:50:50	5300	1.5	THT	0.475	5300	1-5	0-75	0-75	0-475	tht	cs400
CS402	Hi-Reliability	1:50:50:50:50	5300	1.5	SMD	0.475	5300	1-5	0-75	0-75	0-475	smd	cs400
CS402TH	Hi-Reliability	1:50:50:50:50	5300	1.5	THT	0.475	5300	1-5	0-75	0-75	0-475	tht	cs400